Willie A. Deese serves as Executive at MERCK & CO INC, where they oversee executive responsibilities. Since joining the company, Willie A. Deese has executed 164 insider transactions totaling $24.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 9, 2026 involved receiving (via award) 201.51 shares valued at $0.
Willie A. Deese currently holds 57,748.07 shares of MERCK & CO INC ((MRK)), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Willie A. Deese has been a net seller of (MRK) stock. They have purchased $0 and sold $24.4M worth of shares.
Willie A. Deese's most recent insider trade was on Jan 9, 2026, when they sold 201.51 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Oct 10, 2025 | XRAY | $0 | Award | 179.45 | $N/A | Discretionary |
| Jul 11, 2025 | XRAY | $0 | Award | 139.41 | $N/A | Discretionary |
| Jul 12, 2024 | XRAY | $0 | Award | 51.35 | $N/A | Discretionary |
| May 23, 2024 | XRAY | $0 | Award | 7,994 | $N/A | Discretionary |
| May 1, 2024 | PEG | $180.0K | Award | 2,579 | $69.81 | Discretionary |
| Apr 12, 2024 | XRAY | $0 | Award | 26.43 | $N/A | Discretionary |
| Jan 12, 2024 | XRAY | $0 | Award | 21.48 | $N/A | Discretionary |
| Oct 13, 2023 | XRAY | $0 | Award | 48.73 | $N/A | Discretionary |
| Jul 14, 2023 | XRAY | $0 | Award | 41.45 | $N/A | Discretionary |
| May 25, 2023 | XRAY | $0 | Award | 5,419 | $N/A | Discretionary |
| May 1, 2023 | PEG | $180.0K | Award | 2,851 | $63.14 | Discretionary |
| Apr 15, 2023 | XRAY | $0 | Award | 22.84 | $N/A | Discretionary |
| Jan 13, 2023 | XRAY | $0 | Award | 25.06 | $N/A | Discretionary |
| Nov 15, 2022 | XRAY | $0 | Award | 6,382 | $N/A | Discretionary |
| Jul 6, 2022 | CDK | $0 | Disposition | 31,684 | $N/A | Discretionary |
| Jun 23, 2022 | GTHX | $0 | Award | 10,000 | $N/A | Discretionary |
| May 23, 2022 | XRAY | $262.3K | Payment | 6,814 | $38.50 | Discretionary |
| May 23, 2022 | XRAY | $262.3K | Option Exercise | 6,900 | $38.02 | Discretionary |
| May 2, 2022 | PEG | $180.0K | Award | 2,615 | $68.85 | Discretionary |
| Apr 8, 2022 | XRAY | $0 | Award | 7.61 | $N/A | Discretionary |
| Jan 14, 2022 | XRAY | $0 | Award | 5.95 | $N/A | Discretionary |
| Nov 15, 2021 | CDK | $0 | Award | 4,761 | $N/A | Discretionary |
| Oct 8, 2021 | XRAY | $331 | Award | 5.52 | $60.01 | Discretionary |
| Jul 9, 2021 | XRAY | $331 | Award | 5.16 | $64.18 | Discretionary |
| Jun 17, 2021 | GTHX | $0 | Award | 4,389 | $N/A | Discretionary |
| May 27, 2021 | XRAY | $0 | Award | 3,008 | $N/A | Discretionary |
| Apr 9, 2021 | XRAY | $0 | Award | 7.83 | $N/A | Discretionary |
| Jan 8, 2021 | XRAY | $0 | Award | 9.24 | $N/A | Discretionary |