Davis Robert M, Chairman, CEO and President of Merck & Co., Inc. ($MRK), sold about $5.6 million worth of company shares on the open market in two transactions over the last 365 days. His most recent sale occurred on February 4, 2026. These sales rank 1787th among over 11,678 individual insiders by total value sold, compared to an average of $8.6 million per insider across about six 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 | 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 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | S | Common Stock | 14972 | $117.38 | 476,063.7570 | 2,514,000,000 | 3.05% | 0.00% |
| Jan. 26, 2026 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | A | Common Stock | 47434 | $107.40 | 491,035.7570 | 2,514,000,000 | 10.69% | 0.00% |
| May 1, 2025 | Duke Energy CORP | $DUK | Davis Robert M | Director | A | Common Stock | 1607 | $121.33 | 12,660.0000 | 772,000,000 | 14.54% | 0.00% |
| April 29, 2025 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | A | Restricted Stock Unit | 39901 | $0.00 | 39,901.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| Jan. 27, 2025 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | A | Common Stock | 95275 | $97.94 | 443,601.7570 | 2,541,000,000 | 27.35% | 0.00% |
| May 9, 2024 | Duke Energy CORP | $DUK | Davis Robert M | Director | A | Common Stock | 1699 | $103.02 | 11,053.0000 | 771,000,000 | 18.16% | 0.00% |
| April 30, 2024 | Merck & Co., Inc. | $MRK | 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% |
| Feb. 13, 2024 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | S | Common Stock | 25324 | $126.37 | 348,326.7570 | 2,547,000,000 | 6.78% | 0.00% |
| Feb. 14, 2024 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | M | Common Stock | 85021 | $73.73 | 433,347.7570 | 2,547,000,000 | 24.41% | 0.00% |
| Feb. 14, 2024 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | S | Common Stock | 85021 | $125.40 | 348,326.7570 | 2,547,000,000 | 19.62% | 0.00% |
| Feb. 13, 2024 | Merck & Co., Inc. | $MRK | 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. 13, 2024 | Merck & Co., Inc. | $MRK | 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. 14, 2024 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | M | Common Stock | 41509 | $75.36 | 389,835.7570 | 2,547,000,000 | 11.92% | 0.00% |
| Jan. 22, 2024 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | A | Common Stock | 76510 | $119.43 | 348,326.7570 | 2,547,000,000 | 28.15% | 0.00% |
| May 4, 2023 | Duke Energy CORP | $DUK | Davis Robert M | Director | A | Common Stock | 1784 | $98.11 | 9,354.0000 | 770,000,000 | 23.56% | 0.00% |
| May 2, 2023 | Merck & Co., Inc. | $MRK | 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% |
| April 28, 2023 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | 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 28, 2023 | Merck & Co., Inc. | $MRK | Davis Robert M | Chairman, CEO & President | M | Common Stock | 143329 | $56.04 | 415,145.7570 | 2,542,000,000 | 52.73% | 0.01% |
| Jan. 23, 2023 | Merck & Co., Inc. | $MRK | Davis Robert M | CEO & President | A | Common Stock | 24224 | $109.88 | 271,816.7570 | 2,542,000,000 | 9.78% | 0.00% |