Weir Mirian M. Graddick serves as Executive at MERCK & CO INC, where they oversee executive responsibilities. Since joining the company, Weir Mirian M. Graddick has executed 69 insider transactions totaling $38.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 6, 2026 involved receiving (via award) 1,841.28 shares valued at $0.
Weir Mirian M. Graddick currently holds 1,841.28 shares of MERCK & CO INC (MRK), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Weir Mirian M. Graddick has been a net seller of MRK stock. They have purchased $0 and sold $38.5M worth of shares.
Weir Mirian M. Graddick's most recent insider trade was on Feb 6, 2026, when they sold 1,841.28 shares at $0.00 per share.
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| $145.30 |
| Discretionary |
| Aug 14, 2025 | YUM | $153.8K | Disposition | 1,058 | $145.39 | Discretionary |
| Aug 14, 2025 | YUM | $153.7K | Option Exercise | 3,096 | $49.66 | Discretionary |
| Aug 19, 2024 | YUM | $107.1K | Option Exercise | 2,088 | $51.30 | Discretionary |
| Aug 19, 2024 | YUM | $107.2K | Disposition | 779 | $137.60 | Discretionary |
| Aug 19, 2024 | YUM | $179.9K | Sale | 1,309 | $137.40 | Discretionary |
| May 30, 2024 | BKNG | $0 | Award | 71 | $N/A | Discretionary |
| Aug 9, 2023 | YUM | $179.1K | Sale | 1,332 | $134.46 | Discretionary |
| Aug 9, 2023 | YUM | $106.4K | Disposition | 793 | $134.14 | Discretionary |
| Aug 9, 2023 | YUM | $106.3K | Option Exercise | 2,125 | $50.00 | Discretionary |
| May 30, 2023 | BKNG | $0 | Award | 102 | $N/A | Discretionary |
| Aug 12, 2022 | YUM | $113.1K | Option Exercise | 2,171 | $52.08 | Discretionary |
| Aug 12, 2022 | YUM | $113.1K | Disposition | 956 | $118.29 | Discretionary |
| Aug 12, 2022 | YUM | $143.7K | Sale | 1,215 | $118.30 | Discretionary |
| May 30, 2022 | BKNG | $0 | Award | 117 | $N/A | Discretionary |
| Nov 24, 2021 | YUM | $84.2K | Option Exercise | 1,894 | $44.48 | Discretionary |
| Nov 24, 2021 | YUM | $84.3K | Disposition | 661 | $127.49 | Discretionary |
| May 30, 2021 | BKNG | $0 | Award | 112 | $N/A | Discretionary |
| May 30, 2020 | BKNG | $0 | Award | 162 | $N/A | Discretionary |
| May 30, 2019 | BKNG | $0 | Award | 157 | $N/A | Discretionary |
| Jun 7, 2018 | BKNG | $0 | Award | 123 | $N/A | Discretionary |
| Apr 16, 2018 | MRK | $1.4M | Sale | 24,000 | $58.00 | Discretionary |
| Feb 27, 2018 | MRK | $763.3K | Award | 13,949 | $54.72 | Discretionary |
| Jan 16, 2018 | MRK | $493.0K | Sale | 8,000 | $61.63 | Discretionary |
| Jan 16, 2018 | MRK | $3.2M | Sale | 52,000 | $61.63 | Discretionary |
| Jan 16, 2018 | MRK | $2.3M | Option Exercise | 52,000 | $44.30 | Discretionary |
| Jan 16, 2018 | MRK | $3.2M | Sale | 52,000 | $61.63 | Discretionary |
| Jan 16, 2018 | MRK | $493.0K | Sale | 8,000 | $61.63 | Discretionary |
| Jan 16, 2018 | MRK | $2.3M | Option Exercise | 52,000 | $44.30 | Discretionary |