Litchfield Caroline, EVP and CFO of Merck & Co., Inc. ($MRK), sold shares on the open market once in the last 365 days for a total of $5 million. Her most recent sale occurred on February 4, 2026. These sales rank her 1,927th among 11,678 insiders by total value sold, below the average of $8.6 million across about 6 transactions per insider. She made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | VERIZON COMMUNICATIONS INC | $VZ | Litchfield Caroline | Director | A | Phantom Stock | 5062 | $0.00 | 11,402.0000 | 4,291,434,000 | 79.84% | 0.00% |
| Feb. 4, 2026 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | M | Common Stock | 41997 | $53.06 | 132,189.1940 | 2,514,000,000 | 46.56% | 0.00% |
| Feb. 4, 2026 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | S | Common Stock | 41997 | $119.61 | 90,192.1940 | 2,514,000,000 | 31.77% | 0.00% |
| Jan. 26, 2026 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | A | Common Stock | 15852 | $107.40 | 90,192.1940 | 2,514,000,000 | 21.32% | 0.00% |
| April 29, 2025 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | A | Stock Option (Right to Buy) | 53735 | $0.00 | 53,735.0000 | 2,541,000,000 | 9999.99% | 0.00% |
| March 18, 2025 | VERIZON COMMUNICATIONS INC | $VZ | Litchfield Caroline | Director | A | Phantom Stock | 4748 | $0.00 | 5,948.0000 | 4,291,434,000 | 395.67% | 0.00% |
| Jan. 27, 2025 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | A | Common Stock | 23432 | $97.94 | 74,340.1940 | 2,541,000,000 | 46.03% | 0.00% |
| Oct. 1, 2024 | VERIZON COMMUNICATIONS INC | $VZ | Litchfield Caroline | Director | A | Phantom Stock | 1161 | $45.21 | 1,161.0000 | 4,291,434,000 | 9999.99% | 0.00% |
| April 30, 2024 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | A | Stock Option (Right to Buy) | 49805 | $0.00 | 49,805.0000 | 2,547,000,000 | 9999.99% | 0.00% |
| Feb. 14, 2024 | Merck & Co., Inc. | $MRK | 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 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | M | Common Stock | 38291 | $58.08 | 89,199.1940 | 2,547,000,000 | 75.22% | 0.00% |
| Feb. 14, 2024 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | S | Common Stock | 38291 | $125.50 | 50,908.1940 | 2,547,000,000 | 42.93% | 0.00% |
| Jan. 22, 2024 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | A | Common Stock | 19208 | $119.43 | 50,908.1940 | 2,547,000,000 | 60.59% | 0.00% |
| May 2, 2023 | Merck & Co., Inc. | $MRK | 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 1, 2023 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | M | Restricted Stock Unit | 866 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 1, 2023 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | F | Common Stock | 427 | $115.47 | 31,691.2690 | 2,542,000,000 | 1.33% | 0.00% |
| May 1, 2023 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | M | Common Stock | 866 | $115.47 | 32,118.2690 | 2,542,000,000 | 2.77% | 0.00% |
| Jan. 23, 2023 | Merck & Co., Inc. | $MRK | Litchfield Caroline | EVP & CFO | A | Common Stock | 2656 | $109.88 | 30,186.6811 | 2,542,000,000 | 9.65% | 0.00% |