SEC Insider Transactions from Smart Dalton E. III.

Last updated: 2026-03-14 11:48 UTC | Total transactions: 38

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.

Set Up your own filters →
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%