Smart Dalton E. III, SVP Finance and Global Controller at Merck & Co., Inc. ($MRK), sold about $1.12 million in company shares across three open market transactions over the last year. His most recent sale occurred on February 4, 2026. These sales rank 4,668th among 11,678 individual insiders, below the average of $8.6 million per seller and 6.4 transactions. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 4, 2026 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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. 4, 2026 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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% |
| Jan. 26, 2026 | Merck & Co., Inc. | $MRK | 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% |
| May 3, 2025 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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% |
| May 2, 2025 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 30, 2025 | Merck & Co., Inc. | $MRK | 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 29, 2025 | Merck & Co., Inc. | $MRK | 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 29, 2025 | Merck & Co., Inc. | $MRK | 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 25, 2025 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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% |
| April 25, 2025 | Merck & Co., Inc. | $MRK | 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% |
| Jan. 27, 2025 | Merck & Co., Inc. | $MRK | Smart Dalton | SVP Fin. - Global Controller | A | Common Stock | 2586 | $97.94 | 7,014.2860 | 2,541,000,000 | 58.40% | 0.00% |
| May 4, 2024 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | Smart Dalton | SVP Fin. - Global Controller | M | Restricted Stock Unit | 516 | $0.00 | 518.0000 | 2,547,000,000 | 49.90% | 0.00% |
| May 3, 2024 | Merck & Co., Inc. | $MRK | 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 4, 2024 | Merck & Co., Inc. | $MRK | Smart Dalton | SVP Fin. - Global Controller | M | Restricted Stock Unit | 612 | $0.00 | 0.0000 | 2,547,000,000 | 100.00% | 0.00% |
| May 4, 2024 | Merck & Co., Inc. | $MRK | Smart Dalton | SVP Fin. - Global Controller | M | Common Stock | 612 | $127.51 | 4,730.2860 | 2,547,000,000 | 14.86% | 0.00% |
| May 3, 2024 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | Smart Dalton | SVP Fin. - Global Controller | M | Common Stock | 516 | $128.26 | 3,433.2860 | 2,547,000,000 | 17.69% | 0.00% |
| May 2, 2024 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | Smart Dalton | SVP Fin. - Global Controller | M | Restricted Stock Unit | 381 | $0.00 | 764.0000 | 2,547,000,000 | 33.28% | 0.00% |
| Jan. 22, 2024 | Merck & Co., Inc. | $MRK | Smart Dalton | SVP Fin. - Global Controller | A | Common Stock | 2661 | $119.43 | 2,667.2450 | 2,547,000,000 | 9999.99% | 0.00% |