In the last 12 months, insiders at Merck & Co., Inc. ($MRK) filed 434 transactions with the SEC: 11 open-market purchases totaling $493,757,551 and 61 sales totaling $179,767,823. Net insider sentiment: net buying.
Merck & Co., Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- Merck & Co., Inc. (Not found) — 1 transaction totaling $492,135,715
- Davis Robert M (Chairman, CEO & President) — 21 transactions totaling $100,602,320
- Zachary Jennifer (EVP, General Counsel) — 24 transactions totaling $59,442,368
- DeLuca Richard R. (EVP&Pres, Merck Animal Heallth) — 20 transactions totaling $47,325,824
- Chattopadhyay Sanat (Exe V-P & Pres. MMD) — 21 transactions totaling $46,584,504
View all SEC Filings for Merck & Co., Inc. (MRK).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | GLOCER THOMAS H | Director | A | Phantom Stock | 405 | $120.29 | 108,293.4930 | 2,514,000,000 | 0.38% | 0.00% |
| March 31, 2026 | Seidman Christine E | Director | A | Phantom Stock | 68 | $120.29 | 19,238.3277 | 2,514,000,000 | 0.35% | 0.00% |
| March 31, 2026 | Coe Mary Ellen | Director | A | Phantom Stock | 249 | $120.29 | 29,702.6519 | 2,514,000,000 | 0.85% | 0.00% |
| Feb. 12, 2026 | Guindo Chirfi | Chief Marketing Officer | S | Common Stock | 10000 | $121.46 | 60,615.1270 | 2,514,000,000 | 14.16% | 0.00% |
| Feb. 10, 2026 | Li Dean Y | Executive VP & President, MRL | S | Common Stock | 10235 | $117.52 | 92,035.0500 | 2,514,000,000 | 10.01% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | M | Stock Option (Right to Buy) | 25946 | $0.00 | 0.0000 | 2,514,000,000 | 100.00% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | S | Common Stock | 38835 | $119.15 | 68,915.6710 | 2,514,000,000 | 36.04% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | M | Common Stock | 38835 | $119.15 | 107,750.6710 | 2,514,000,000 | 56.35% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | S | Common Stock | 56792 | $119.15 | 68,915.6710 | 2,514,000,000 | 45.18% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | M | Stock Option (Right to Buy) | 56792 | $0.00 | 0.0000 | 2,514,000,000 | 100.00% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | M | Common Stock | 56792 | $119.15 | 125,707.6710 | 2,514,000,000 | 82.41% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | S | Common Stock | 25946 | $119.15 | 68,915.6710 | 2,514,000,000 | 27.35% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | M | Common Stock | 25946 | $119.15 | 94,861.6710 | 2,514,000,000 | 37.65% | 0.00% |
| Feb. 9, 2026 | Guindo Chirfi | Chief Marketing Officer | S | Common Stock | 10000 | $118.41 | 70,615.1270 | 2,514,000,000 | 12.40% | 0.00% |
| Feb. 9, 2026 | Zachary Jennifer | EVP, General Counsel | M | Stock Option (Right to Buy) | 38835 | $0.00 | 0.0000 | 2,514,000,000 | 100.00% | 0.00% |
| Feb. 4, 2026 | Davis Robert M | Chairman, CEO & President | S | Common Stock | 32462 | $118.35 | 443,601.7570 | 2,514,000,000 | 6.82% | 0.00% |
| Feb. 4, 2026 | Davis Robert M | Chairman, CEO & President | S | Common Stock | 14972 | $117.38 | 476,063.7570 | 2,514,000,000 | 3.05% | 0.00% |
| Feb. 6, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | S | Common Stock | 37685 | $120.92 | 160,173.8340 | 2,514,000,000 | 19.05% | 0.00% |
| Feb. 5, 2026 | Guindo Chirfi | Chief Marketing Officer | S | Common Stock | 20000 | $121.88 | 80,615.1270 | 2,514,000,000 | 19.88% | 0.00% |
| Feb. 4, 2026 | Li Dean Y | Executive VP & President, MRL | M | Stock Option (Right to Buy) | 15087 | $0.00 | 0.0000 | 2,514,000,000 | 100.00% | 0.00% |
| Feb. 4, 2026 | Li Dean Y | Executive VP & President, MRL | S | Common Stock | 15087 | $118.77 | 102,270.0500 | 2,514,000,000 | 12.86% | 0.00% |
| Feb. 4, 2026 | Li Dean Y | Executive VP & President, MRL | M | Common Stock | 15087 | $56.04 | 117,357.0500 | 2,514,000,000 | 14.75% | 0.00% |
| Feb. 4, 2026 | Litchfield Caroline | EVP & CFO | M | Stock Option (Right to Buy) | 41997 | $0.00 | 0.0000 | 2,514,000,000 | 100.00% | 0.00% |
| Feb. 4, 2026 | Litchfield Caroline | EVP & CFO | S | Common Stock | 41997 | $119.61 | 90,192.1940 | 2,514,000,000 | 31.77% | 0.00% |
| Feb. 4, 2026 | Litchfield Caroline | EVP & CFO | M | Common Stock | 41997 | $53.06 | 132,189.1940 | 2,514,000,000 | 46.56% | 0.00% |
| Feb. 6, 2026 | Oosthuizen Johannes Jacobus | President, U.S. Market | S | Common Stock | 15000 | $121.87 | 21,197.3890 | 2,514,000,000 | 41.44% | 0.00% |
| Feb. 4, 2026 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Stock Option (Right to Buy) | 4000 | $0.00 | 8,130.0000 | 2,514,000,000 | 32.98% | 0.00% |
| Feb. 4, 2026 | Smart Dalton E. III | SVP Fin. - Global Controller | S | Common Stock | 2400 | $119.68 | 8,204.8160 | 2,514,000,000 | 22.63% | 0.00% |
| Feb. 6, 2026 | Williams David Michael | EVP,Chief Info&Digital Officer | S | Common Stock | 5000 | $121.91 | 30,837.7430 | 2,514,000,000 | 13.95% | 0.00% |
| Feb. 4, 2026 | Smart Dalton E. III | SVP Fin. - Global Controller | S | Common Stock | 4000 | $119.68 | 10,604.8160 | 2,514,000,000 | 27.39% | 0.00% |
| Feb. 4, 2026 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Common Stock | 4000 | $62.07 | 14,604.8160 | 2,514,000,000 | 37.72% | 0.00% |
| Feb. 6, 2026 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Stock Option (Right to Buy) | 5000 | $0.00 | 4,600.0000 | 2,514,000,000 | 52.08% | 0.00% |
| Feb. 6, 2026 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Common Stock | 5000 | $77.62 | 35,837.7430 | 2,514,000,000 | 16.21% | 0.00% |
| Jan. 26, 2026 | Litchfield Caroline | EVP & CFO | A | Common Stock | 15852 | $107.40 | 90,192.1940 | 2,514,000,000 | 21.32% | 0.00% |
| Jan. 26, 2026 | Zachary Jennifer | EVP, General Counsel | A | Common Stock | 11583 | $107.40 | 68,915.6710 | 2,514,000,000 | 20.20% | 0.00% |
| Jan. 26, 2026 | Williams David Michael | EVP,Chief Info&Digital Officer | A | Common Stock | 6112 | $107.40 | 30,837.7430 | 2,514,000,000 | 24.72% | 0.00% |
| Jan. 26, 2026 | Smart Dalton E. III | SVP Fin. - Global Controller | A | Common Stock | 1066 | $107.40 | 10,604.8160 | 2,514,000,000 | 11.18% | 0.00% |
| Jan. 26, 2026 | Romanelli Joseph | President, Human Health Int?l | A | Common Stock | 5703 | $107.40 | 28,739.3430 | 2,514,000,000 | 24.76% | 0.00% |
| Jan. 26, 2026 | Oosthuizen Johannes Jacobus | President, U.S. Market | A | Common Stock | 5026 | $107.40 | 36,197.3890 | 2,514,000,000 | 16.12% | 0.00% |
| Jan. 26, 2026 | Li Dean Y | Executive VP & President, MRL | A | Common Stock | 20469 | $107.40 | 102,270.0500 | 2,514,000,000 | 25.02% | 0.00% |
| Jan. 26, 2026 | Guindo Chirfi | Chief Marketing Officer | A | Common Stock | 9865 | $107.40 | 100,615.1270 | 2,514,000,000 | 10.87% | 0.00% |
| Jan. 26, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Common Stock | 12264 | $107.40 | 197,858.8340 | 2,514,000,000 | 6.61% | 0.00% |
| Jan. 26, 2026 | Davis Robert M | Chairman, CEO & President | A | Common Stock | 47434 | $107.40 | 491,035.7570 | 2,514,000,000 | 10.69% | 0.00% |
| Jan. 26, 2026 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | A | Common Stock | 13880 | $107.40 | 199,208.0000 | 2,514,000,000 | 7.49% | 0.00% |
| Dec. 31, 2025 | GLOCER THOMAS H | Director | A | Phantom Stock | 463 | $105.26 | 107,075.6744 | 2,514,000,000 | 0.43% | 0.00% |
| Dec. 31, 2025 | Seidman Christine E | Director | A | Phantom Stock | 77 | $105.26 | 19,025.6686 | 2,514,000,000 | 0.41% | 0.00% |
| Dec. 31, 2025 | Coe Mary Ellen | Director | A | Phantom Stock | 285 | $105.26 | 29,231.5716 | 2,514,000,000 | 0.98% | 0.00% |
| Nov. 10, 2025 | Downing Cristal N | Chief Comm. & Public Afrs Ofcr | S | Common Stock | 7085 | $87.00 | 0.0000 | 2,514,000,000 | 100.00% | 0.00% |
| Nov. 3, 2025 | Williams David Michael | EVP,Chief Info&Digital Officer | S | Common Stock | 8614 | $83.59 | 24,578.0310 | 2,514,000,000 | 25.95% | 0.00% |
| Sept. 30, 2025 | Seidman Christine E | Director | A | Phantom Stock | 97 | $83.93 | 18,775.7818 | 2,541,000,000 | 0.52% | 0.00% |
| Sept. 30, 2025 | GLOCER THOMAS H | Director | A | Phantom Stock | 581 | $83.93 | 105,645.8965 | 2,541,000,000 | 0.55% | 0.00% |
| Sept. 30, 2025 | Coe Mary Ellen | Director | A | Phantom Stock | 357 | $83.93 | 28,684.6630 | 2,541,000,000 | 1.26% | 0.00% |
| Aug. 4, 2025 | Guindo Chirfi | Chief Marketing Officer | M | Common Stock | 36903 | $79.29 | 107,408.9730 | 2,541,000,000 | 52.34% | 0.00% |
| Aug. 4, 2025 | Guindo Chirfi | Chief Marketing Officer | M | Restricted Stock Unit | 36903 | $0.00 | 0.0000 | 2,541,000,000 | 100.00% | 0.00% |
| Aug. 4, 2025 | Guindo Chirfi | Chief Marketing Officer | F | Common Stock | 18175 | $79.29 | 89,233.9730 | 2,541,000,000 | 16.92% | 0.00% |
| Aug. 4, 2025 | Williams David Michael | EVP,Chief Info&Digital Officer | F | Common Stock | 8432 | $79.29 | 33,013.4670 | 2,541,000,000 | 20.34% | 0.00% |
| Aug. 4, 2025 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Restricted Stock Unit | 17119 | $0.00 | 0.0000 | 2,541,000,000 | 100.00% | 0.00% |
| Aug. 4, 2025 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Common Stock | 17119 | $79.29 | 41,445.4670 | 2,541,000,000 | 70.37% | 0.00% |
| June 30, 2025 | GLOCER THOMAS H | Director | A | Phantom Stock | 616 | $79.16 | 104,040.6163 | 2,541,000,000 | 0.60% | 0.00% |
| June 30, 2025 | Seidman Christine E | Director | A | Phantom Stock | 103 | $79.16 | 18,495.8789 | 2,541,000,000 | 0.56% | 0.00% |
| June 30, 2025 | Coe Mary Ellen | Director | A | Phantom Stock | 379 | $79.16 | 28,051.7533 | 2,541,000,000 | 1.37% | 0.00% |
| May 30, 2025 | Rothman Paul | Director | A | Phantom Stock | 2863 | $76.84 | 31,990.8030 | 2,541,000,000 | 9.83% | 0.00% |
| May 30, 2025 | RUSSO PATRICIA F | Director | A | Phantom Stock | 2863 | $76.84 | 58,523.4280 | 2,541,000,000 | 5.14% | 0.00% |
| May 30, 2025 | Seidman Christine E | Director | A | Phantom Stock | 2863 | $76.84 | 18,393.2387 | 2,541,000,000 | 18.44% | 0.00% |
| May 30, 2025 | THULIN INGE G | Director | A | Phantom Stock | 2863 | $76.84 | 24,764.2900 | 2,541,000,000 | 13.07% | 0.00% |
| May 30, 2025 | Warden Kathy J | Director | A | Phantom Stock | 2863 | $76.84 | 15,503.5990 | 2,541,000,000 | 22.65% | 0.00% |
| May 30, 2025 | BAKER DOUGLAS M JR | Director | A | Phantom Stock | 2863 | $76.84 | 9,343.5277 | 2,541,000,000 | 44.18% | 0.00% |
| May 30, 2025 | Coe Mary Ellen | Director | A | Phantom Stock | 2863 | $76.84 | 27,672.7740 | 2,541,000,000 | 11.54% | 0.00% |
| May 30, 2025 | Craig Pamela J. | Director | A | Phantom Stock | 2863 | $76.84 | 31,990.7920 | 2,541,000,000 | 9.83% | 0.00% |
| May 30, 2025 | Karsanbhai Surendralal Lanca | Director | A | Phantom Stock | 2863 | $76.84 | 3,421.4840 | 2,541,000,000 | 512.74% | 0.00% |
| May 30, 2025 | GLOCER THOMAS H | Director | A | Phantom Stock | 2863 | $76.84 | 103,424.7750 | 2,541,000,000 | 2.85% | 0.00% |
| May 30, 2025 | LAVIZZO-MOUREY RISA J | Director | A | Phantom Stock | 2863 | $76.84 | 15,367.3490 | 2,541,000,000 | 22.90% | 0.00% |
| May 30, 2025 | Mayo Stephen | Director | A | Phantom Stock | 2863 | $76.84 | 12,539.8325 | 2,541,000,000 | 29.59% | 0.00% |
| May 3, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Restricted Stock Unit | 1532 | $0.00 | 0.0000 | 2,541,000,000 | 100.00% | 0.00% |
| May 3, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Common Stock | 518 | $83.18 | 8,850.8020 | 2,541,000,000 | 6.22% | 0.00% |
| May 3, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | F | Common Stock | 256 | $83.18 | 8,594.8020 | 2,541,000,000 | 2.89% | 0.00% |
| May 3, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Common Stock | 1532 | $83.18 | 10,126.8020 | 2,541,000,000 | 17.82% | 0.00% |
| May 3, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | F | Common Stock | 588 | $83.18 | 9,538.8020 | 2,541,000,000 | 5.81% | 0.00% |
| May 3, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Restricted Stock Unit | 518 | $0.00 | 0.0000 | 2,541,000,000 | 100.00% | 0.00% |
| April 30, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Common Stock | 464 | $84.71 | 8,241.8020 | 2,541,000,000 | 5.97% | 0.00% |
| April 30, 2025 | Larson Betty D | EVP, Chief HR Officer | M | Restricted Stock Unit | 11350 | $0.00 | 22,700.0000 | 2,541,000,000 | 33.33% | 0.00% |
| April 30, 2025 | Larson Betty D | EVP, Chief HR Officer | F | Common Stock | 5153 | $84.71 | 6,197.0000 | 2,541,000,000 | 45.40% | 0.00% |
| April 30, 2025 | Larson Betty D | EVP, Chief HR Officer | M | Common Stock | 11350 | $84.71 | 11,350.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| May 2, 2025 | Romanelli Joseph | President, Human Health Int?l | M | Restricted Stock Unit | 2262 | $0.00 | 2,262.0000 | 2,541,000,000 | 50.00% | 0.00% |
| April 30, 2025 | Romanelli Joseph | President, Human Health Int?l | M | Restricted Stock Unit | 2063 | $0.00 | 4,128.0000 | 2,541,000,000 | 33.32% | 0.00% |
| May 2, 2025 | Romanelli Joseph | President, Human Health Int?l | F | Common Stock | 1115 | $83.26 | 22,945.5450 | 2,541,000,000 | 4.63% | 0.00% |
| May 2, 2025 | Romanelli Joseph | President, Human Health Int?l | M | Common Stock | 2262 | $83.26 | 24,060.5450 | 2,541,000,000 | 10.38% | 0.00% |
| April 30, 2025 | Romanelli Joseph | President, Human Health Int?l | F | Common Stock | 1017 | $84.71 | 21,798.5450 | 2,541,000,000 | 4.46% | 0.00% |
| April 30, 2025 | Romanelli Joseph | President, Human Health Int?l | M | Common Stock | 2063 | $84.71 | 22,815.5450 | 2,541,000,000 | 9.94% | 0.00% |
| May 2, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Restricted Stock Unit | 381 | $0.00 | 383.0000 | 2,541,000,000 | 49.87% | 0.00% |
| April 30, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Restricted Stock Unit | 464 | $0.00 | 929.0000 | 2,541,000,000 | 33.31% | 0.00% |
| May 2, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | F | Common Stock | 131 | $83.26 | 8,332.8020 | 2,541,000,000 | 1.55% | 0.00% |
| May 2, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Common Stock | 381 | $83.26 | 8,463.8020 | 2,541,000,000 | 4.71% | 0.00% |
| April 30, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | F | Common Stock | 159 | $84.71 | 8,082.8020 | 2,541,000,000 | 1.93% | 0.00% |
| April 29, 2025 | Zachary Jennifer | EVP, General Counsel | A | Restricted Stock Unit | 8854 | $0.00 | 8,854.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | A | Stock Option (Right to Buy) | 6448 | $0.00 | 6,448.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Litchfield Caroline | EVP & CFO | A | Restricted Stock Unit | 11805 | $0.00 | 11,805.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Litchfield Caroline | EVP & CFO | A | Stock Option (Right to Buy) | 53735 | $0.00 | 53,735.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Williams David Michael | EVP,Chief Info&Digital Officer | A | Restricted Stock Unit | 4132 | $0.00 | 4,132.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Williams David Michael | EVP,Chief Info&Digital Officer | A | Stock Option (Right to Buy) | 18807 | $0.00 | 18,807.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | A | Restricted Stock Unit | 7791 | $0.00 | 7,791.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | A | Stock Option (Right to Buy) | 35465 | $0.00 | 35,465.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Restricted Stock Unit | 7555 | $0.00 | 7,555.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Stock Option (Right to Buy) | 34390 | $0.00 | 34,390.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Davis Robert M | Chairman, CEO & President | A | Restricted Stock Unit | 39901 | $0.00 | 39,901.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Davis Robert M | Chairman, CEO & President | A | Stock Option (Right to Buy) | 181623 | $0.00 | 181,623.0000 | 2,541,000,000 | 9999.99% | 0.01% |
| April 29, 2025 | Oosthuizen Johannes Jacobus | President, U.S. Market | A | Restricted Stock Unit | 4132 | $0.00 | 4,132.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Oosthuizen Johannes Jacobus | President, U.S. Market | A | Stock Option (Right to Buy) | 18807 | $0.00 | 18,807.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Li Dean Y | Executive VP & President, MRL | A | Restricted Stock Unit | 14166 | $0.00 | 14,166.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Li Dean Y | Executive VP & President, MRL | A | Stock Option (Right to Buy) | 64481 | $0.00 | 64,481.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Zachary Jennifer | EVP, General Counsel | A | Stock Option (Right to Buy) | 40301 | $0.00 | 40,301.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Downing Cristal N | Chief Comm. & Public Afrs Ofcr | A | Restricted Stock Unit | 3069 | $0.00 | 3,069.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Downing Cristal N | Chief Comm. & Public Afrs Ofcr | A | Stock Option (Right to Buy) | 13971 | $0.00 | 13,971.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Larson Betty D | EVP, Chief HR Officer | A | Restricted Stock Unit | 6257 | $0.00 | 6,257.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Larson Betty D | EVP, Chief HR Officer | A | Stock Option (Right to Buy) | 28479 | $0.00 | 28,479.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Guindo Chirfi | Chief Marketing Officer | A | Restricted Stock Unit | 5902 | $0.00 | 5,902.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Guindo Chirfi | Chief Marketing Officer | A | Stock Option (Right to Buy) | 26867 | $0.00 | 26,867.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Romanelli Joseph | President, Human Health Int?l | A | Restricted Stock Unit | 4722 | $0.00 | 4,722.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Romanelli Joseph | President, Human Health Int?l | A | Restricted Stock Unit | 9444 | $0.00 | 9,444.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Romanelli Joseph | President, Human Health Int?l | A | Stock Option (Right to Buy) | 21494 | $0.00 | 21,494.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 29, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | A | Restricted Stock Unit | 2833 | $0.00 | 2,833.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| April 25, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Common Stock | 5000 | $58.08 | 12,039.8020 | 2,541,000,000 | 71.02% | 0.00% |
| April 25, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | M | Stock Option (Right to Buy) | 5000 | $0.00 | 0.0000 | 2,541,000,000 | 100.00% | 0.00% |
| April 25, 2025 | Smart Dalton E. III | SVP Fin. - Global Controller | S | Common Stock | 4262 | $82.76 | 7,777.8020 | 2,541,000,000 | 35.40% | 0.00% |
| March 31, 2025 | Seidman Christine E | Director | A | Phantom Stock | 91 | $89.76 | 15,377.6146 | 2,541,000,000 | 0.59% | 0.00% |
| March 31, 2025 | Coe Mary Ellen | Director | A | Phantom Stock | 334 | $89.76 | 24,567.8829 | 2,541,000,000 | 1.38% | 0.00% |
| March 31, 2025 | GLOCER THOMAS H | Director | A | Phantom Stock | 543 | $89.76 | 99,578.6409 | 2,541,000,000 | 0.55% | 0.00% |
| Feb. 19, 2025 | Oosthuizen Johannes Jacobus | President, U.S. Market | S | Common Stock | 8500 | $84.09 | 30,705.4740 | 2,541,000,000 | 21.68% | 0.00% |
| Feb. 13, 2025 | Williams David Michael | EVP,Chief Info&Digital Officer | S | Common Stock | 6000 | $85.34 | 24,123.3160 | 2,541,000,000 | 19.92% | 0.00% |
| Feb. 8, 2025 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Restricted Stock Unit | 13002 | $0.00 | 0.0000 | 2,541,000,000 | 100.00% | 0.00% |
| Feb. 8, 2025 | Oosthuizen Johannes Jacobus | President, U.S. Market | F | Common Stock | 6404 | $87.28 | 39,205.4740 | 2,541,000,000 | 14.04% | 0.00% |
| Feb. 8, 2025 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Common Stock | 13002 | $87.28 | 45,609.4740 | 2,541,000,000 | 39.87% | 0.00% |
| Feb. 6, 2025 | THULIN INGE G | Director | P | Common Stock | 2833 | $88.25 | 2,932.8610 | 2,541,000,000 | 2832.86% | 0.00% |
| Feb. 6, 2025 | Downing Cristal N | Chief Comm. & Public Afrs Ofcr | S | Common Stock | 2361 | $88.76 | 7,085.0000 | 2,541,000,000 | 24.99% | 0.00% |
| Feb. 5, 2025 | BAKER DOUGLAS M JR | Director | P | Common Stock | 15000 | $88.50 | 16,000.0000 | 2,541,000,000 | 1500.00% | 0.00% |
| Jan. 27, 2025 | Zachary Jennifer | EVP, General Counsel | A | Common Stock | 25423 | $97.94 | 55,285.6850 | 2,541,000,000 | 85.13% | 0.00% |
| Jan. 27, 2025 | Downing Cristal N | Chief Comm. & Public Afrs Ofcr | A | Common Stock | 9446 | $97.94 | 9,446.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| Jan. 27, 2025 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Common Stock | 25438 | $97.94 | 178,992.7110 | 2,541,000,000 | 16.57% | 0.00% |
| Jan. 27, 2025 | Davis Robert M | Chairman, CEO & President | A | Common Stock | 95275 | $97.94 | 443,601.7570 | 2,541,000,000 | 27.35% | 0.00% |
| Jan. 27, 2025 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | A | Common Stock | 28136 | $97.94 | 185,328.0000 | 2,541,000,000 | 17.90% | 0.00% |
| Jan. 27, 2025 | Guindo Chirfi | Chief Marketing Officer | A | Common Stock | 28158 | $97.94 | 69,143.9180 | 2,541,000,000 | 68.70% | 0.00% |
| Jan. 27, 2025 | Li Dean Y | Executive VP & President, MRL | A | Common Stock | 32621 | $97.94 | 79,592.1500 | 2,541,000,000 | 69.45% | 0.00% |
| Jan. 27, 2025 | Oosthuizen Johannes Jacobus | President, U.S. Market | A | Common Stock | 8664 | $97.94 | 32,607.4740 | 2,541,000,000 | 36.19% | 0.00% |
| Jan. 27, 2025 | Litchfield Caroline | EVP & CFO | A | Common Stock | 23432 | $97.94 | 74,340.1940 | 2,541,000,000 | 46.03% | 0.00% |
| Jan. 27, 2025 | Smart Dalton | SVP Fin. - Global Controller | A | Common Stock | 2586 | $97.94 | 7,014.2860 | 2,541,000,000 | 58.40% | 0.00% |
| Jan. 27, 2025 | Williams David Michael | EVP,Chief Info&Digital Officer | A | Common Stock | 10246 | $97.94 | 30,123.3160 | 2,541,000,000 | 51.55% | 0.00% |
| Dec. 31, 2024 | GLOCER THOMAS H | Director | A | Phantom Stock | 490 | $99.48 | 98,246.6689 | 2,543,000,000 | 0.50% | 0.00% |
| Dec. 31, 2024 | Seidman Christine E | Director | A | Phantom Stock | 82 | $99.48 | 15,164.7394 | 2,543,000,000 | 0.54% | 0.00% |
| Dec. 31, 2024 | Coe Mary Ellen | Director | A | Phantom Stock | 302 | $99.48 | 24,041.0793 | 2,543,000,000 | 1.27% | 0.00% |
| Jan. 1, 2025 | Karsanbhai Surendralal Lanca | Director | A | Phantom Stock | 553 | $99.48 | 552.8749 | 2,541,000,000 | 9999.99% | 0.00% |
| Sept. 30, 2024 | GLOCER THOMAS H | Director | A | Phantom Stock | 429 | $113.56 | 97,074.9536 | 2,547,000,000 | 0.44% | 0.00% |
| Sept. 30, 2024 | Coe Mary Ellen | Director | A | Phantom Stock | 264 | $113.56 | 23,574.2221 | 2,547,000,000 | 1.13% | 0.00% |
| Sept. 30, 2024 | Seidman Christine E | Director | A | Phantom Stock | 72 | $113.56 | 14,977.3687 | 2,547,000,000 | 0.48% | 0.00% |
| Aug. 5, 2024 | Guindo Chirfi | Chief Marketing Officer | F | Common Stock | 17412 | $115.20 | 40,369.5930 | 2,547,000,000 | 30.13% | 0.00% |
| Aug. 5, 2024 | Guindo Chirfi | Chief Marketing Officer | M | Restricted Stock Unit | 36901 | $0.00 | 36,903.0000 | 2,547,000,000 | 50.00% | 0.00% |
| Aug. 5, 2024 | Guindo Chirfi | Chief Marketing Officer | M | Common Stock | 36901 | $115.20 | 57,781.5930 | 2,547,000,000 | 176.72% | 0.00% |
| June 28, 2024 | Seidman Christine E | Director | A | Phantom Stock | 66 | $123.80 | 14,815.5246 | 2,547,000,000 | 0.44% | 0.00% |
| June 28, 2024 | GLOCER THOMAS H | Director | A | Phantom Stock | 394 | $123.80 | 96,063.1361 | 2,547,000,000 | 0.41% | 0.00% |
| June 28, 2024 | Coe Mary Ellen | Director | A | Phantom Stock | 242 | $123.80 | 23,169.6876 | 2,547,000,000 | 1.06% | 0.00% |
| May 31, 2024 | GLOCER THOMAS H | Director | A | Phantom Stock | 1752 | $125.54 | 95,669.3558 | 2,547,000,000 | 1.87% | 0.00% |
| May 31, 2024 | LAVIZZO-MOUREY RISA J | Director | A | Phantom Stock | 1752 | $125.54 | 12,120.4279 | 2,547,000,000 | 16.90% | 0.00% |
| May 31, 2024 | Mayo Stephen | Director | A | Phantom Stock | 1752 | $125.54 | 9,379.7044 | 2,547,000,000 | 22.98% | 0.00% |
| May 31, 2024 | RUSSO PATRICIA F | Director | A | Phantom Stock | 1752 | $125.54 | 53,951.7959 | 2,547,000,000 | 3.36% | 0.00% |
| May 31, 2024 | Seidman Christine E | Director | A | Phantom Stock | 1752 | $125.54 | 14,749.8946 | 2,547,000,000 | 13.48% | 0.00% |
| May 31, 2024 | Warden Kathy J | Director | A | Phantom Stock | 1752 | $125.54 | 12,252.4969 | 2,547,000,000 | 16.69% | 0.00% |
| May 31, 2024 | Rothman Paul | Director | A | Phantom Stock | 1752 | $125.54 | 28,233.6119 | 2,547,000,000 | 6.62% | 0.00% |
| May 31, 2024 | THULIN INGE G | Director | A | Phantom Stock | 1752 | $125.54 | 21,228.9219 | 2,547,000,000 | 9.00% | 0.00% |
| May 31, 2024 | BAKER DOUGLAS M JR | Director | A | Phantom Stock | 1752 | $125.54 | 6,281.5136 | 2,547,000,000 | 38.69% | 0.00% |
| May 31, 2024 | Coe Mary Ellen | Director | A | Phantom Stock | 1752 | $125.54 | 22,927.3613 | 2,547,000,000 | 8.28% | 0.00% |
| May 31, 2024 | Craig Pamela J. | Director | A | Phantom Stock | 1752 | $125.54 | 28,233.5989 | 2,547,000,000 | 6.62% | 0.00% |
| May 4, 2024 | Smart Dalton | SVP Fin. - Global Controller | M | Common Stock | 612 | $127.51 | 4,730.2860 | 2,547,000,000 | 14.86% | 0.00% |
| May 4, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Restricted Stock Unit | 912 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| May 4, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | F | Common Stock | 450 | $127.51 | 23,820.9490 | 2,547,000,000 | 1.85% | 0.00% |
| May 4, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Common Stock | 912 | $127.51 | 24,270.9490 | 2,547,000,000 | 3.90% | 0.00% |
| May 4, 2024 | Klobuchar Michael A | EVP - Chief Strategy Officer | M | Restricted Stock Unit | 887 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| May 4, 2024 | Klobuchar Michael A | EVP - Chief Strategy Officer | F | Common Stock | 437 | $127.51 | 23,633.7790 | 2,547,000,000 | 1.82% | 0.00% |
| May 4, 2024 | Klobuchar Michael A | EVP - Chief Strategy Officer | M | Common Stock | 887 | $127.51 | 24,070.7790 | 2,547,000,000 | 3.83% | 0.00% |
| May 4, 2024 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | M | Restricted Stock Unit | 27126 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| May 4, 2024 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | F | Common Stock | 13360 | $127.51 | 150,359.5590 | 2,547,000,000 | 8.16% | 0.00% |
| May 4, 2024 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | M | Common Stock | 27126 | $127.51 | 163,719.5590 | 2,547,000,000 | 19.86% | 0.00% |
| May 4, 2024 | Smart Dalton | SVP Fin. - Global Controller | M | Restricted Stock Unit | 612 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| May 3, 2024 | Smart Dalton | SVP Fin. - Global Controller | M | Restricted Stock Unit | 1530 | $0.00 | 1,532.0000 | 2,547,000,000 | 49.97% | 0.00% |
| May 3, 2024 | Smart Dalton | SVP Fin. - Global Controller | M | Restricted Stock Unit | 516 | $0.00 | 518.0000 | 2,547,000,000 | 49.90% | 0.00% |
| May 4, 2024 | Smart Dalton | SVP Fin. - Global Controller | F | Common Stock | 302 | $127.51 | 4,428.2860 | 2,547,000,000 | 6.38% | 0.00% |
| May 3, 2024 | Smart Dalton | SVP Fin. - Global Controller | F | Common Stock | 590 | $128.26 | 4,118.2860 | 2,547,000,000 | 12.53% | 0.00% |
| May 3, 2024 | Smart Dalton | SVP Fin. - Global Controller | M | Common Stock | 1530 | $128.26 | 4,708.2860 | 2,547,000,000 | 48.14% | 0.00% |
| May 3, 2024 | Smart Dalton | SVP Fin. - Global Controller | F | Common Stock | 255 | $128.26 | 3,178.2860 | 2,547,000,000 | 7.43% | 0.00% |
| May 3, 2024 | Smart Dalton | SVP Fin. - Global Controller | M | Common Stock | 516 | $128.26 | 3,433.2860 | 2,547,000,000 | 17.69% | 0.00% |
| April 30, 2024 | Downing Cristal N | Chief Comm. & Public Afrs Ofcr | A | Stock Option (Right to Buy) | 15234 | $0.00 | 15,234.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Davis Robert M | Chairman, CEO & President | A | Stock Option (Right to Buy) | 181641 | $0.00 | 181,641.0000 | 2,547,000,000 | 9999.99% | 0.01% |
| April 30, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | A | Stock Option (Right to Buy) | 20508 | $0.00 | 20,508.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Li Dean Y | Executive VP & President, MRL | A | Stock Option (Right to Buy) | 65625 | $0.00 | 65,625.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Zachary Jennifer | EVP, General Counsel | A | Stock Option (Right to Buy) | 35156 | $0.00 | 35,156.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| May 2, 2024 | Romanelli Joseph | President, Human Health Int?l | M | Restricted Stock Unit | 2262 | $0.00 | 4,524.0000 | 2,547,000,000 | 33.33% | 0.00% |
| April 30, 2024 | Larson Betty D | EVP, Chief HR Officer | A | Restricted Stock Unit | 34050 | $0.00 | 34,050.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Larson Betty D | EVP, Chief HR Officer | A | Stock Option (Right to Buy) | 58594 | $0.00 | 58,594.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Romanelli Joseph | President, Human Health Int?l | A | Stock Option (Right to Buy) | 23438 | $0.00 | 23,438.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Romanelli Joseph | President, Human Health Int?l | A | Restricted Stock Unit | 6191 | $0.00 | 6,191.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| May 2, 2024 | Romanelli Joseph | President, Human Health Int?l | F | Common Stock | 1115 | $128.80 | 20,716.3250 | 2,547,000,000 | 5.11% | 0.00% |
| May 2, 2024 | Romanelli Joseph | President, Human Health Int?l | M | Common Stock | 2262 | $128.80 | 21,831.3250 | 2,547,000,000 | 11.56% | 0.00% |
| April 30, 2024 | Larson Betty D | EVP, Chief HR Officer | A | Stock Option (Right to Buy) | 31055 | $0.00 | 31,055.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| May 2, 2024 | Smart Dalton | SVP Fin. - Global Controller | M | Common Stock | 381 | $128.80 | 3,048.2860 | 2,547,000,000 | 14.28% | 0.00% |
| May 2, 2024 | Smart Dalton | SVP Fin. - Global Controller | F | Common Stock | 131 | $128.80 | 2,917.2860 | 2,547,000,000 | 4.30% | 0.00% |
| April 30, 2024 | Smart Dalton | SVP Fin. - Global Controller | A | Restricted Stock Unit | 1393 | $0.00 | 1,393.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Smart Dalton | SVP Fin. - Global Controller | A | Stock Option (Right to Buy) | 7031 | $0.00 | 7,031.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| May 2, 2024 | Smart Dalton | SVP Fin. - Global Controller | M | Restricted Stock Unit | 381 | $0.00 | 764.0000 | 2,547,000,000 | 33.28% | 0.00% |
| April 30, 2024 | Guindo Chirfi | Chief Marketing Officer | A | Stock Option (Right to Buy) | 29297 | $0.00 | 29,297.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Stock Option (Right to Buy) | 37500 | $0.00 | 37,500.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Restricted Stock Unit | 23216 | $0.00 | 23,216.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Litchfield Caroline | EVP & CFO | A | Stock Option (Right to Buy) | 49805 | $0.00 | 49,805.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Klobuchar Michael A | EVP - Chief Strategy Officer | A | Stock Option (Right to Buy) | 20508 | $0.00 | 20,508.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Williams David Michael | EVP,Chief Info&Digital Officer | A | Stock Option (Right to Buy) | 16406 | $0.00 | 16,406.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| April 30, 2024 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | A | Stock Option (Right to Buy) | 38672 | $0.00 | 38,672.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| March 28, 2024 | GLOCER THOMAS H | Director | A | Phantom Stock | 341 | $131.95 | 93,360.3983 | 2,547,000,000 | 0.37% | 0.00% |
| March 28, 2024 | WENDELL PETER C | Director | A | Phantom Stock | 227 | $131.95 | 124,752.6198 | 2,547,000,000 | 0.18% | 0.00% |
| March 28, 2024 | Seidman Christine E | Director | A | Phantom Stock | 62 | $131.95 | 12,920.1071 | 2,547,000,000 | 0.48% | 0.00% |
| March 28, 2024 | Coe Mary Ellen | Director | A | Phantom Stock | 227 | $131.95 | 21,049.6628 | 2,547,000,000 | 1.09% | 0.00% |
| March 11, 2024 | Merck & Co., Inc. | Not found | P | Common Stock, par value $0.0001 | 21397205 | $23.00 | 1,000.0000 | 2,547,000,000 | 0.00% | 0.84% |
| Feb. 14, 2024 | Litchfield Caroline | EVP & CFO | M | Common Stock | 38291 | $58.08 | 89,199.1940 | 2,547,000,000 | 75.22% | 0.00% |
| Feb. 14, 2024 | Davis Robert M | Chairman, CEO & President | M | Stock Option (Right to Buy) | 85021 | $0.00 | 96,760.0000 | 2,547,000,000 | 46.77% | 0.00% |
| Feb. 13, 2024 | Davis Robert M | Chairman, CEO & President | M | Stock Option (Right to Buy) | 108491 | $0.00 | 181,781.0000 | 2,547,000,000 | 37.38% | 0.00% |
| Feb. 13, 2024 | Davis Robert M | Chairman, CEO & President | M | Stock Option (Right to Buy) | 41509 | $0.00 | 83,020.0000 | 2,547,000,000 | 33.33% | 0.00% |
| Feb. 14, 2024 | Davis Robert M | Chairman, CEO & President | S | Common Stock | 85021 | $125.40 | 348,326.7570 | 2,547,000,000 | 19.62% | 0.00% |
| Feb. 14, 2024 | Davis Robert M | Chairman, CEO & President | M | Common Stock | 85021 | $73.73 | 433,347.7570 | 2,547,000,000 | 24.41% | 0.00% |
| Feb. 13, 2024 | Davis Robert M | Chairman, CEO & President | S | Common Stock | 25324 | $126.37 | 348,326.7570 | 2,547,000,000 | 6.78% | 0.00% |
| Feb. 13, 2024 | Davis Robert M | Chairman, CEO & President | S | Common Stock | 124676 | $125.74 | 373,650.7570 | 2,547,000,000 | 25.02% | 0.00% |
| Feb. 13, 2024 | Davis Robert M | Chairman, CEO & President | M | Common Stock | 108491 | $73.73 | 498,326.7570 | 2,547,000,000 | 27.83% | 0.00% |
| Feb. 13, 2024 | Davis Robert M | Chairman, CEO & President | M | Common Stock | 41509 | $75.36 | 389,835.7570 | 2,547,000,000 | 11.92% | 0.00% |
| Feb. 14, 2024 | Litchfield Caroline | EVP & CFO | M | Stock Option (Right to Buy) | 38291 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| Feb. 14, 2024 | Litchfield Caroline | EVP & CFO | S | Common Stock | 38291 | $125.50 | 50,908.1940 | 2,547,000,000 | 42.93% | 0.00% |
| Feb. 13, 2024 | Romanelli Joseph | President, Human Health Int?l | S | Common Stock | 1000 | $124.89 | 19,569.3250 | 2,547,000,000 | 4.86% | 0.00% |
| Feb. 9, 2024 | Li Dean Y | Executive VP & President, MRL | M | Stock Option (Right to Buy) | 14702 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| Feb. 9, 2024 | Li Dean Y | Executive VP & President, MRL | S | Common Stock | 14702 | $125.50 | 46,242.3700 | 2,547,000,000 | 24.12% | 0.00% |
| Feb. 9, 2024 | Li Dean Y | Executive VP & President, MRL | M | Common Stock | 14702 | $62.07 | 60,944.3700 | 2,547,000,000 | 31.79% | 0.00% |
| Feb. 7, 2024 | Williams David Michael | EVP,Chief Info&Digital Officer | S | Common Stock | 1451 | $127.57 | 19,811.6670 | 2,547,000,000 | 6.82% | 0.00% |
| Feb. 2, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Common Stock | 7045 | $73.73 | 35,167.3450 | 2,547,000,000 | 25.05% | 0.00% |
| Feb. 2, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Stock Option (Right to Buy) | 7119 | $0.00 | 14,240.0000 | 2,547,000,000 | 33.33% | 0.00% |
| Feb. 2, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Common Stock | 6773 | $75.36 | 28,122.3450 | 2,547,000,000 | 31.72% | 0.00% |
| Feb. 2, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Stock Option (Right to Buy) | 7045 | $0.00 | 7,049.0000 | 2,547,000,000 | 49.99% | 0.00% |
| Feb. 2, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Stock Option (Right to Buy) | 6773 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| Feb. 2, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | S | Common Stock | 18959 | $127.18 | 23,327.3450 | 2,547,000,000 | 44.83% | 0.00% |
| Feb. 2, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Common Stock | 7119 | $87.10 | 42,286.3450 | 2,547,000,000 | 20.24% | 0.00% |
| Feb. 2, 2024 | MIZELL STEVEN | EVP, Chief HR Officer | M | Stock Option (Right to Buy) | 32170 | $0.00 | 22,088.0000 | 2,547,000,000 | 59.29% | 0.00% |
| Feb. 2, 2024 | MIZELL STEVEN | EVP, Chief HR Officer | M | Common Stock | 824 | $70.71 | 42,143.1450 | 2,547,000,000 | 1.99% | 0.00% |
| Feb. 2, 2024 | MIZELL STEVEN | EVP, Chief HR Officer | M | Common Stock | 32170 | $73.73 | 74,313.1450 | 2,547,000,000 | 76.34% | 0.00% |
| Feb. 2, 2024 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 50694 | $126.65 | 23,619.1450 | 2,547,000,000 | 68.22% | 0.00% |
| Feb. 2, 2024 | MIZELL STEVEN | EVP, Chief HR Officer | M | Stock Option (Right to Buy) | 824 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| Feb. 2, 2024 | Zachary Jennifer | EVP, General Counsel | M | Common Stock | 19417 | $87.10 | 78,556.7600 | 2,547,000,000 | 32.83% | 0.00% |
| Feb. 2, 2024 | Zachary Jennifer | EVP, General Counsel | S | Common Stock | 49499 | $126.97 | 29,057.7600 | 2,547,000,000 | 63.01% | 0.00% |
| Feb. 2, 2024 | Zachary Jennifer | EVP, General Counsel | M | Stock Option (Right to Buy) | 19417 | $0.00 | 38,835.0000 | 2,547,000,000 | 33.33% | 0.00% |
| Jan. 22, 2024 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | A | Common Stock | 26716 | $119.43 | 157,192.0000 | 2,547,000,000 | 20.48% | 0.00% |
| Jan. 22, 2024 | Litchfield Caroline | EVP & CFO | A | Common Stock | 19208 | $119.43 | 50,908.1940 | 2,547,000,000 | 60.59% | 0.00% |
| Jan. 22, 2024 | Klobuchar Michael A | EVP - Chief Strategy Officer | A | Common Stock | 3896 | $119.43 | 23,110.7220 | 2,547,000,000 | 20.28% | 0.00% |
| Jan. 22, 2024 | Williams David Michael | EVP,Chief Info&Digital Officer | A | Common Stock | 10196 | $119.43 | 21,262.6670 | 2,547,000,000 | 92.13% | 0.00% |
| Jan. 22, 2024 | Li Dean Y | Executive VP & President, MRL | A | Common Stock | 25760 | $119.43 | 46,242.3700 | 2,547,000,000 | 125.77% | 0.00% |
| Jan. 22, 2024 | Smart Dalton | SVP Fin. - Global Controller | A | Common Stock | 2661 | $119.43 | 2,667.2450 | 2,547,000,000 | 9999.99% | 0.00% |
| Jan. 22, 2024 | Oosthuizen Johannes Jacobus | President, U.S. Market | A | Common Stock | 3133 | $119.43 | 21,349.3450 | 2,547,000,000 | 17.20% | 0.00% |
| Jan. 22, 2024 | Zachary Jennifer | EVP, General Counsel | A | Common Stock | 23298 | $119.43 | 59,139.7600 | 2,547,000,000 | 65.00% | 0.00% |
| Jan. 22, 2024 | MIZELL STEVEN | EVP, Chief HR Officer | A | Common Stock | 18384 | $119.43 | 41,319.1450 | 2,547,000,000 | 80.16% | 0.00% |
| Jan. 22, 2024 | Davis Robert M | Chairman, CEO & President | A | Common Stock | 76510 | $119.43 | 348,326.7570 | 2,547,000,000 | 28.15% | 0.00% |
| Jan. 22, 2024 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Common Stock | 23296 | $119.43 | 135,782.9830 | 2,547,000,000 | 20.71% | 0.00% |
| Dec. 29, 2023 | GLOCER THOMAS H | Director | A | Phantom Stock | 413 | $109.02 | 92,419.1730 | 2,542,000,000 | 0.45% | 0.00% |
| Dec. 29, 2023 | Coe Mary Ellen | Director | A | Phantom Stock | 275 | $109.02 | 20,688.3950 | 2,542,000,000 | 1.35% | 0.00% |
| Dec. 29, 2023 | Seidman Christine E | Director | A | Phantom Stock | 75 | $109.02 | 12,775.2157 | 2,542,000,000 | 0.59% | 0.00% |
| Dec. 29, 2023 | WENDELL PETER C | Director | A | Phantom Stock | 275 | $109.02 | 123,715.5060 | 2,542,000,000 | 0.22% | 0.00% |
| Nov. 9, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | S | Common Stock | 2081 | $102.38 | 18,190.6570 | 2,542,000,000 | 10.27% | 0.00% |
| Nov. 8, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | S | Common Stock | 43823 | $105.03 | 111,763.5920 | 2,542,000,000 | 28.17% | 0.00% |
| Oct. 31, 2023 | Downing Cristal N | Chief Comm. & Public Afrs Ofcr | A | Restricted Stock Unit | 11685 | $0.00 | 11,685.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| Oct. 30, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Restricted Stock Unit | 915 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| Oct. 30, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | F | Common Stock | 451 | $102.82 | 20,271.6570 | 2,542,000,000 | 2.18% | 0.00% |
| Oct. 30, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Common Stock | 915 | $102.82 | 20,722.6570 | 2,542,000,000 | 4.62% | 0.00% |
| Sept. 29, 2023 | GLOCER THOMAS H | Director | A | Phantom Stock | 437 | $102.95 | 91,370.9857 | 2,542,000,000 | 0.48% | 0.00% |
| Sept. 29, 2023 | Coe Mary Ellen | Director | A | Phantom Stock | 291 | $102.95 | 20,272.7991 | 2,542,000,000 | 1.46% | 0.00% |
| Sept. 29, 2023 | WENDELL PETER C | Director | A | Phantom Stock | 291 | $102.95 | 122,580.9571 | 2,542,000,000 | 0.24% | 0.00% |
| Sept. 29, 2023 | Seidman Christine E | Director | A | Phantom Stock | 79 | $102.95 | 12,612.6101 | 2,542,000,000 | 0.63% | 0.00% |
| Aug. 14, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 4250 | $109.01 | 22,935.1450 | 2,542,000,000 | 15.63% | 0.00% |
| Aug. 3, 2023 | Guindo Chirfi | Chief Marketing Officer | F | Common Stock | 17989 | $105.70 | 20,352.6840 | 2,542,000,000 | 46.92% | 0.00% |
| Aug. 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 4500 | $105.49 | 27,185.1450 | 2,542,000,000 | 14.20% | 0.00% |
| Aug. 3, 2023 | Guindo Chirfi | Chief Marketing Officer | M | Common Stock | 36901 | $105.70 | 38,341.6840 | 2,542,000,000 | 2561.35% | 0.00% |
| Aug. 3, 2023 | Guindo Chirfi | Chief Marketing Officer | M | Restricted Stock Unit | 36901 | $0.00 | 73,804.0000 | 2,542,000,000 | 33.33% | 0.00% |
| Aug. 2, 2023 | Romanelli Joseph | President, Human Health Int?l | S | Common Stock | 59 | $107.37 | 20,569.3250 | 2,542,000,000 | 0.29% | 0.00% |
| Aug. 2, 2023 | Romanelli Joseph | President, Human Health Int?l | S | Common Stock | 30 | $107.37 | 20,569.3250 | 2,542,000,000 | 0.15% | 0.00% |
| June 30, 2023 | GLOCER THOMAS H | Director | A | Phantom Stock | 390 | $115.39 | 90,340.1263 | 2,542,000,000 | 0.43% | 0.00% |
| June 30, 2023 | Seidman Christine E | Director | A | Phantom Stock | 70 | $115.39 | 12,451.4933 | 2,542,000,000 | 0.57% | 0.00% |
| June 30, 2023 | WENDELL PETER C | Director | A | Phantom Stock | 260 | $115.39 | 121,484.7685 | 2,542,000,000 | 0.21% | 0.00% |
| June 30, 2023 | Coe Mary Ellen | Director | A | Phantom Stock | 260 | $115.39 | 19,851.3335 | 2,542,000,000 | 1.33% | 0.00% |
| Feb. 21, 2023 | Romanelli Joseph | President, Human Health Int?l | P | Common Stock | 11 | $109.20 | 20,554.3250 | 2,542,000,000 | 0.05% | 0.00% |
| Dec. 2, 2022 | Romanelli Joseph | President, Human Health Int?l | P | Common Stock | 59 | $109.67 | 20,658.3250 | 0 | 0.29% | 0.00% |
| Dec. 5, 2022 | Romanelli Joseph | President, Human Health Int?l | P | Common Stock | 107 | $109.54 | 20,450.3250 | 0 | 0.53% | 0.00% |
| Dec. 6, 2022 | Romanelli Joseph | President, Human Health Int?l | P | Common Stock | 30 | $109.39 | 20,480.3250 | 0 | 0.15% | 0.00% |
| Dec. 13, 2022 | Romanelli Joseph | President, Human Health Int?l | P | Common Stock | 56 | $110.96 | 20,536.3250 | 0 | 0.27% | 0.00% |
| Dec. 19, 2022 | Romanelli Joseph | President, Human Health Int?l | P | Common Stock | 7 | $109.04 | 20,543.3250 | 0 | 0.03% | 0.00% |
| March 20, 2023 | Romanelli Joseph | President, Human Health Int?l | P | Common Stock | 136 | $105.47 | 20,690.3250 | 2,542,000,000 | 0.66% | 0.00% |
| March 24, 2023 | Romanelli Joseph | President, Human Health Int?l | S | Common Stock | 35 | $104.65 | 20,655.3250 | 2,542,000,000 | 0.17% | 0.00% |
| April 26, 2023 | Romanelli Joseph | President, Human Health Int?l | P | Common Stock | 3 | $113.68 | 20,658.3250 | 2,542,000,000 | 0.01% | 0.00% |
| May 26, 2023 | BAKER DOUGLAS M JR | Director | A | Phantom Stock | 1981 | $111.07 | 4,412.1561 | 2,542,000,000 | 81.46% | 0.00% |
| May 26, 2023 | Coe Mary Ellen | Director | A | Phantom Stock | 1981 | $111.07 | 19,591.3456 | 2,542,000,000 | 11.25% | 0.00% |
| May 26, 2023 | Craig Pamela J. | Director | A | Phantom Stock | 1981 | $111.07 | 25,797.5044 | 2,542,000,000 | 8.32% | 0.00% |
| May 26, 2023 | GLOCER THOMAS H | Director | A | Phantom Stock | 1981 | $111.07 | 89,950.1445 | 2,542,000,000 | 2.25% | 0.00% |
| May 26, 2023 | Mayo Stephen | Director | A | Phantom Stock | 1981 | $111.07 | 7,430.3599 | 2,542,000,000 | 36.35% | 0.00% |
| May 26, 2023 | Rothman Paul | Director | A | Phantom Stock | 1981 | $111.07 | 25,797.5164 | 2,542,000,000 | 8.32% | 0.00% |
| May 26, 2023 | RUSSO PATRICIA F | Director | A | Phantom Stock | 1981 | $111.07 | 50,851.7344 | 2,542,000,000 | 4.05% | 0.00% |
| May 26, 2023 | Seidman Christine E | Director | A | Phantom Stock | 1981 | $111.07 | 12,381.0799 | 2,542,000,000 | 19.04% | 0.00% |
| May 26, 2023 | Warden Kathy J | Director | A | Phantom Stock | 1981 | $111.07 | 10,228.9874 | 2,542,000,000 | 24.01% | 0.00% |
| May 26, 2023 | WENDELL PETER C | Director | A | Phantom Stock | 1981 | $111.07 | 121,224.7806 | 2,542,000,000 | 1.66% | 0.00% |
| May 26, 2023 | THULIN INGE G | Director | A | Phantom Stock | 1981 | $111.07 | 18,973.6684 | 2,542,000,000 | 11.66% | 0.00% |
| May 26, 2023 | LAVIZZO-MOUREY RISA J | Director | A | Phantom Stock | 1981 | $111.07 | 10,100.3274 | 2,542,000,000 | 24.39% | 0.00% |
| May 3, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | M | Restricted Stock Unit | 689 | $0.00 | 1,378.0000 | 2,542,000,000 | 33.33% | 0.00% |
| May 4, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | M | Restricted Stock Unit | 813 | $0.00 | 816.0000 | 2,542,000,000 | 49.91% | 0.00% |
| May 3, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | M | Common Stock | 803 | $117.89 | 45,362.9720 | 2,542,000,000 | 1.80% | 0.00% |
| May 3, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | F | Common Stock | 276 | $117.89 | 45,086.9720 | 2,542,000,000 | 0.61% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | M | Stock Option (Right to Buy) | 12000 | $0.00 | 32,151.0000 | 2,542,000,000 | 27.18% | 0.00% |
| May 4, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | F | Common Stock | 326 | $118.22 | 45,709.9720 | 2,542,000,000 | 0.71% | 0.00% |
| May 4, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | M | Common Stock | 15875 | $62.07 | 61,584.9720 | 2,542,000,000 | 34.73% | 0.00% |
| May 4, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | S | Common Stock | 15875 | $117.53 | 45,709.9720 | 2,542,000,000 | 25.78% | 0.00% |
| May 3, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | M | Restricted Stock Unit | 803 | $0.00 | 1,608.0000 | 2,542,000,000 | 33.31% | 0.00% |
| May 4, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | M | Restricted Stock Unit | 949 | $0.00 | 951.0000 | 2,542,000,000 | 49.95% | 0.00% |
| May 4, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | M | Stock Option (Right to Buy) | 15875 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 4, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | M | Common Stock | 949 | $118.22 | 46,035.9720 | 2,542,000,000 | 2.10% | 0.00% |
| May 4, 2023 | Zachary Jennifer | EVP, General Counsel | S | Common Stock | 19141 | $117.59 | 35,127.5930 | 2,542,000,000 | 35.27% | 0.00% |
| May 4, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Common Stock | 907 | $118.22 | 20,206.7480 | 2,542,000,000 | 4.70% | 0.00% |
| May 4, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | F | Common Stock | 447 | $118.22 | 19,759.7480 | 2,542,000,000 | 2.21% | 0.00% |
| May 4, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Restricted Stock Unit | 907 | $0.00 | 912.0000 | 2,542,000,000 | 49.86% | 0.00% |
| May 4, 2023 | Klobuchar Michael A | EVP - Chief Strategy Officer | M | Common Stock | 885 | $118.22 | 19,488.5830 | 2,542,000,000 | 4.76% | 0.00% |
| May 4, 2023 | Klobuchar Michael A | EVP - Chief Strategy Officer | F | Common Stock | 436 | $118.22 | 19,052.5830 | 2,542,000,000 | 2.24% | 0.00% |
| May 4, 2023 | Klobuchar Michael A | EVP - Chief Strategy Officer | M | Restricted Stock Unit | 885 | $0.00 | 887.0000 | 2,542,000,000 | 49.94% | 0.00% |
| May 3, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | M | Common Stock | 689 | $117.89 | 4,843.6930 | 2,542,000,000 | 16.58% | 0.00% |
| May 3, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | F | Common Stock | 236 | $117.89 | 4,607.6930 | 2,542,000,000 | 4.87% | 0.00% |
| May 4, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | M | Common Stock | 813 | $118.22 | 5,420.6930 | 2,542,000,000 | 17.64% | 0.00% |
| May 4, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | F | Common Stock | 279 | $118.22 | 5,141.6930 | 2,542,000,000 | 5.15% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | M | Common Stock | 13000 | $77.62 | 46,085.1450 | 2,542,000,000 | 39.29% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | M | Common Stock | 15000 | $75.36 | 61,085.1450 | 2,542,000,000 | 32.55% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | M | Common Stock | 12000 | $73.73 | 73,085.1450 | 2,542,000,000 | 19.64% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 13000 | $119.01 | 60,085.1450 | 2,542,000,000 | 17.79% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 15000 | $119.01 | 45,085.1450 | 2,542,000,000 | 24.96% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 12000 | $119.01 | 33,085.1450 | 2,542,000,000 | 26.62% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | M | Common Stock | 12000 | $75.36 | 45,085.1450 | 2,542,000,000 | 36.27% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 13400 | $119.01 | 31,685.1450 | 2,542,000,000 | 29.72% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | M | Stock Option (Right to Buy) | 13000 | $0.00 | 39,366.0000 | 2,542,000,000 | 24.83% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | M | Stock Option (Right to Buy) | 12000 | $0.00 | 54,258.0000 | 2,542,000,000 | 18.11% | 0.00% |
| May 3, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | M | Stock Option (Right to Buy) | 15000 | $0.00 | 44,151.0000 | 2,542,000,000 | 25.36% | 0.00% |
| May 2, 2023 | Downing Cristal N | Chief Comm. & Public Afrs Ofcr | A | Stock Option (Right to Buy) | 17981 | $0.00 | 17,981.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Romanelli Joseph | President, Human Health Int?l | A | Restricted Stock Unit | 6786 | $0.00 | 6,786.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Romanelli Joseph | President, Human Health Int?l | A | Stock Option (Right to Buy) | 23513 | $0.00 | 23,513.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Li Dean Y | Executive VP & President, MRL | A | Stock Option (Right to Buy) | 77455 | $0.00 | 77,455.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | A | Stock Option (Right to Buy) | 20747 | $0.00 | 20,747.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Davis Robert M | Chairman, CEO & President | A | Stock Option (Right to Buy) | 186722 | $0.00 | 186,722.0000 | 2,542,000,000 | 9999.99% | 0.01% |
| May 2, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | A | Stock Option (Right to Buy) | 9682 | $0.00 | 9,682.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | A | Restricted Stock Unit | 1781 | $0.00 | 1,781.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Litchfield Caroline | EVP & CFO | A | Stock Option (Right to Buy) | 58783 | $0.00 | 58,783.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Klobuchar Michael A | EVP - Chief Strategy Officer | A | Stock Option (Right to Buy) | 20747 | $0.00 | 20,747.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | A | Stock Option (Right to Buy) | 19364 | $0.00 | 19,364.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | A | Stock Option (Right to Buy) | 45643 | $0.00 | 45,643.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Stock Option (Right to Buy) | 44260 | $0.00 | 44,260.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | A | Restricted Stock Unit | 1781 | $0.00 | 1,781.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | A | Stock Option (Right to Buy) | 9682 | $0.00 | 9,682.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Zachary Jennifer | EVP, General Counsel | A | Stock Option (Right to Buy) | 41494 | $0.00 | 41,494.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | A | Stock Option (Right to Buy) | 29046 | $0.00 | 29,046.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Guindo Chirfi | Chief Marketing Officer | A | Stock Option (Right to Buy) | 34578 | $0.00 | 34,578.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 1, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Restricted Stock Unit | 866 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 1, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Common Stock | 577 | $115.47 | 12,730.9600 | 2,542,000,000 | 4.75% | 0.00% |
| May 1, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | F | Common Stock | 198 | $115.47 | 12,532.9600 | 2,542,000,000 | 1.56% | 0.00% |
| May 2, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Common Stock | 6035 | $56.04 | 18,567.9600 | 2,542,000,000 | 48.15% | 0.00% |
| May 2, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | S | Common Stock | 7509 | $116.82 | 11,058.9600 | 2,542,000,000 | 40.44% | 0.00% |
| May 1, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Restricted Stock Unit | 577 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 2, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Stock Option (Right to Buy) | 6035 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 1, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | M | Common Stock | 930 | $115.47 | 44,878.9720 | 2,542,000,000 | 2.12% | 0.00% |
| May 1, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | F | Common Stock | 319 | $115.47 | 44,559.9720 | 2,542,000,000 | 0.71% | 0.00% |
| May 1, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | M | Restricted Stock Unit | 930 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 1, 2023 | Li Dean Y | Executive VP & President, MRL | M | Common Stock | 1062 | $115.47 | 20,995.4320 | 2,542,000,000 | 5.33% | 0.00% |
| May 1, 2023 | Li Dean Y | Executive VP & President, MRL | F | Common Stock | 524 | $115.47 | 20,471.4320 | 2,542,000,000 | 2.50% | 0.00% |
| May 1, 2023 | Li Dean Y | Executive VP & President, MRL | M | Restricted Stock Unit | 1062 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 1, 2023 | Litchfield Caroline | EVP & CFO | M | Common Stock | 866 | $115.47 | 32,118.2690 | 2,542,000,000 | 2.77% | 0.00% |
| May 1, 2023 | Litchfield Caroline | EVP & CFO | F | Common Stock | 427 | $115.47 | 31,691.2690 | 2,542,000,000 | 1.33% | 0.00% |
| May 1, 2023 | Litchfield Caroline | EVP & CFO | M | Restricted Stock Unit | 866 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 1, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | M | Common Stock | 866 | $115.47 | 19,726.7480 | 2,542,000,000 | 4.59% | 0.00% |
| May 1, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | F | Common Stock | 427 | $115.47 | 19,299.7480 | 2,542,000,000 | 2.16% | 0.00% |
| May 1, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | M | Common Stock | 643 | $115.47 | 4,375.6930 | 2,542,000,000 | 17.23% | 0.00% |
| May 1, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | F | Common Stock | 221 | $115.47 | 4,154.6930 | 2,542,000,000 | 5.05% | 0.00% |
| May 1, 2023 | LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | M | Restricted Stock Unit | 643 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 1, 2023 | Klobuchar Michael A | EVP - Chief Strategy Officer | M | Common Stock | 866 | $115.47 | 18,914.0450 | 2,542,000,000 | 4.80% | 0.00% |
| May 1, 2023 | Klobuchar Michael A | EVP - Chief Strategy Officer | F | Common Stock | 427 | $115.47 | 18,603.5830 | 2,542,000,000 | 2.24% | 0.00% |
| May 1, 2023 | Klobuchar Michael A | EVP - Chief Strategy Officer | M | Restricted Stock Unit | 866 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 1, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | M | Stock Option (Right to Buy) | 75436 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| April 28, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | M | Common Stock | 66163 | $62.07 | 220,655.8540 | 2,542,000,000 | 42.83% | 0.00% |
| April 28, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | S | Common Stock | 66163 | $115.00 | 154,492.8540 | 2,542,000,000 | 29.98% | 0.00% |
| May 1, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | M | Common Stock | 75436 | $56.04 | 229,928.8540 | 2,542,000,000 | 48.83% | 0.00% |
| May 1, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | S | Common Stock | 75436 | $116.03 | 154,492.8540 | 2,542,000,000 | 32.81% | 0.00% |
| April 28, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | M | Stock Option (Right to Buy) | 66163 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| April 28, 2023 | Davis Robert M | Chairman, CEO & President | S | Common Stock | 143329 | $114.93 | 271,816.7570 | 2,542,000,000 | 34.52% | 0.01% |
| April 28, 2023 | Davis Robert M | Chairman, CEO & President | M | Common Stock | 143329 | $56.04 | 415,145.7570 | 2,542,000,000 | 52.73% | 0.01% |
| April 28, 2023 | Davis Robert M | Chairman, CEO & President | M | Stock Option (Right to Buy) | 143329 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.01% |
| April 13, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | M | Stock Option (Right to Buy) | 67892 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| April 13, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | M | Common Stock | 67892 | $56.04 | 198,368.0000 | 2,542,000,000 | 52.03% | 0.00% |
| April 13, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | M | Common Stock | 66163 | $62.07 | 264,531.0000 | 2,542,000,000 | 33.35% | 0.00% |
| April 13, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | S | Common Stock | 66163 | $115.06 | 198,368.0000 | 2,542,000,000 | 25.01% | 0.00% |
| April 13, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | S | Common Stock | 67892 | $115.07 | 130,476.0000 | 2,542,000,000 | 34.23% | 0.00% |
| April 13, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | M | Stock Option (Right to Buy) | 66163 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| March 31, 2023 | Seidman Christine E | Director | A | Phantom Stock | 76 | $106.39 | 10,339.6120 | 2,542,000,000 | 0.74% | 0.00% |
| March 31, 2023 | Coe Mary Ellen | Director | A | Phantom Stock | 304 | $106.39 | 17,499.1457 | 2,542,000,000 | 1.77% | 0.00% |
| March 31, 2023 | WENDELL PETER C | Director | A | Phantom Stock | 282 | $106.39 | 118,477.8377 | 2,542,000,000 | 0.24% | 0.00% |
| March 31, 2023 | GLOCER THOMAS H | Director | A | Phantom Stock | 423 | $106.39 | 87,408.8466 | 2,542,000,000 | 0.49% | 0.00% |
| Feb. 15, 2023 | Romanelli Joseph | President, Human Health Int?l | S | Common Stock | 5000 | $108.22 | 20,284.3250 | 2,542,000,000 | 19.78% | 0.00% |
| Feb. 13, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 1815 | $109.10 | 33,085.1450 | 2,542,000,000 | 5.20% | 0.00% |
| Feb. 10, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Restricted Stock Unit | 1205 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| Feb. 10, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | M | Common Stock | 1205 | $106.72 | 12,504.8920 | 2,542,000,000 | 10.66% | 0.00% |
| Feb. 10, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | F | Common Stock | 413 | $106.72 | 12,091.8920 | 2,542,000,000 | 3.30% | 0.00% |
| Feb. 9, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 5000 | $107.00 | 34,900.1450 | 2,542,000,000 | 12.53% | 0.00% |
| Feb. 6, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | S | Common Stock | 4436 | $104.25 | 39,900.1450 | 2,542,000,000 | 10.01% | 0.00% |
| Feb. 3, 2023 | Zachary Jennifer | EVP, General Counsel | S | Common Stock | 75436 | $103.17 | 53,919.9410 | 2,542,000,000 | 58.32% | 0.00% |
| Feb. 3, 2023 | Zachary Jennifer | EVP, General Counsel | M | Stock Option (Right to Buy) | 75436 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| Feb. 3, 2023 | Zachary Jennifer | EVP, General Counsel | M | Common Stock | 75436 | $56.04 | 129,355.9410 | 2,542,000,000 | 139.90% | 0.00% |
| Jan. 23, 2023 | Karachun Rita A | Sr. VP Fince-Global Controller | A | Common Stock | 2846 | $109.88 | 43,948.9720 | 2,542,000,000 | 6.92% | 0.00% |
| Jan. 23, 2023 | MIZELL STEVEN | EVP, Chief HR Officer | A | Common Stock | 12192 | $109.88 | 44,336.1450 | 2,542,000,000 | 37.93% | 0.00% |
| Jan. 23, 2023 | Zachary Jennifer | EVP, General Counsel | A | Common Stock | 15631 | $109.88 | 53,919.9410 | 2,542,000,000 | 40.82% | 0.00% |
| Jan. 23, 2023 | Li Dean Y | Executive VP & President, MRL | A | Common Stock | 3275 | $109.88 | 19,933.4320 | 2,542,000,000 | 19.66% | 0.00% |
| Jan. 23, 2023 | Davis Robert M | CEO & President | A | Common Stock | 24224 | $109.88 | 271,816.7570 | 2,542,000,000 | 9.78% | 0.00% |
| Jan. 23, 2023 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | A | Common Stock | 15628 | $109.88 | 153,500.3790 | 2,542,000,000 | 11.34% | 0.00% |
| Jan. 23, 2023 | Litchfield Caroline | EVP & CFO | A | Common Stock | 2656 | $109.88 | 30,186.6811 | 2,542,000,000 | 9.65% | 0.00% |
| Jan. 23, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | A | Common Stock | 17495 | $109.88 | 130,476.0000 | 2,542,000,000 | 15.48% | 0.00% |
| Jan. 23, 2023 | Klobuchar Michael A | EVP - Chief Strategy Officer | A | Common Stock | 2651 | $109.88 | 18,002.5140 | 2,542,000,000 | 17.27% | 0.00% |
| Jan. 23, 2023 | Oosthuizen Johannes Jacobus | President, U.S. Market | A | Common Stock | 2091 | $109.88 | 18,821.8810 | 2,542,000,000 | 12.50% | 0.00% |
| Jan. 23, 2023 | Williams David Michael | EVP,Chief Info&Digital Officer | A | Common Stock | 1745 | $109.88 | 11,007.7570 | 2,542,000,000 | 18.84% | 0.00% |
| Jan. 9, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | S | Common Stock | 1702 | $114.46 | 112,981.0000 | 2,542,000,000 | 1.48% | 0.00% |
| Jan. 9, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | M | Common Stock | 83994 | $53.06 | 196,975.0000 | 2,542,000,000 | 74.34% | 0.00% |
| Jan. 9, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | S | Common Stock | 35598 | $110.61 | 161,377.0000 | 2,542,000,000 | 18.07% | 0.00% |
| Jan. 9, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | S | Common Stock | 4538 | $111.73 | 156,839.0000 | 2,542,000,000 | 2.81% | 0.00% |
| Jan. 9, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | S | Common Stock | 3940 | $112.78 | 152,899.0000 | 2,542,000,000 | 2.51% | 0.00% |
| Jan. 9, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | S | Common Stock | 38216 | $113.78 | 114,683.0000 | 2,542,000,000 | 24.99% | 0.00% |
| Jan. 9, 2023 | Chattopadhyay Sanat | Exe V-P & Pres. MMD | M | Stock Option (Right to Buy) | 83994 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| Dec. 30, 2022 | Seidman Christine E | Director | A | Phantom Stock | 73 | $110.95 | 10,192.6770 | 0 | 0.72% | 0.00% |
| Dec. 30, 2022 | Coe Mary Ellen | Director | A | Phantom Stock | 293 | $110.95 | 17,083.9243 | 0 | 1.74% | 0.00% |
| Dec. 30, 2022 | GLOCER THOMAS H | Director | A | Phantom Stock | 406 | $110.95 | 86,420.4065 | 0 | 0.47% | 0.00% |
| Dec. 30, 2022 | WENDELL PETER C | Director | A | Phantom Stock | 270 | $110.95 | 117,421.0783 | 0 | 0.23% | 0.00% |