Mary Ellen Coe
CIK 1691304 · View on SEC EDGAR ↗
Insider
First SEC filing: March 20, 2019 · Latest: April 1, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 39 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 30, 2026 | MRK | A | 233 | $128.50 | $29,940 | 31,999 Direct | +0.73% | Acquired | 17.0% (price as of 2026-08-20) |
| May 29, 2026 | MRK | A | 1,853 | $118.72 | $219,988 | 31,766 Direct | +6.19% | Acquired | 26.7% (price as of 2026-08-20) |
| March 31, 2026 | MRK | A | 249 | $120.29 | $29,952 | 29,703 Direct | +0.85% | Acquired | 25.0% (price as of 2026-08-20) |
| Dec. 31, 2025 | MRK | A | 285 | $105.26 | $29,999 | 29,232 Direct | +0.98% | Acquired | 42.9% (price as of 2026-08-20) |
| Sept. 30, 2025 | MRK | A | 357 | $83.93 | $29,963 | 28,685 Direct | +1.26% | Acquired | 79.2% (price as of 2026-08-20) |
| June 30, 2025 | MRK | A | 379 | $79.16 | $30,002 | 28,052 Direct | +1.37% | Acquired | 90.0% (price as of 2026-08-20) |
| May 30, 2025 | MRK | A | 2,863 | $76.84 | $219,993 | 27,673 Direct | +11.54% | Acquired | 95.7% (price as of 2026-08-20) |
| March 31, 2025 | MRK | A | 334 | $89.76 | $29,980 | 24,568 Direct | +1.38% | Acquired | 67.6% (price as of 2026-08-20) |
| Dec. 31, 2024 | MRK | A | 302 | $99.48 | $30,043 | 24,041 Direct | +1.27% | Acquired | 51.2% (price as of 2026-08-20) |
| Sept. 30, 2024 | MRK | A | 264 | $113.56 | $29,980 | 23,574 Direct | +1.13% | Acquired | 32.4% (price as of 2026-08-20) |
| June 28, 2024 | MRK | A | 242 | $123.80 | $29,960 | 23,170 Direct | +1.06% | Acquired | 21.5% (price as of 2026-08-20) |
| May 31, 2024 | MRK | A | 1,752 | $125.54 | $219,946 | 22,927 Direct | +8.27% | Acquired | 19.8% (price as of 2026-08-20) |
| March 28, 2024 | MRK | A | 227 | $131.95 | $29,953 | 21,050 Direct | +1.09% | Acquired | 14.0% (price as of 2026-08-20) |
| Dec. 29, 2023 | MRK | A | 275 | $109.02 | $29,980 | 20,688 Direct | +1.35% | Acquired | 38.0% (price as of 2026-08-20) |
| Sept. 29, 2023 | MRK | A | 291 | $102.95 | $29,958 | 20,273 Direct | +1.46% | Acquired | 46.1% (price as of 2026-08-20) |
| June 30, 2023 | MRK | A | 260 | $115.39 | $30,001 | 19,851 Direct | +1.33% | Acquired | 30.3% (price as of 2026-08-20) |
| May 26, 2023 | MRK | A | 1,981 | $111.07 | $220,030 | 19,591 Direct | +11.25% | Acquired | 35.4% (price as of 2026-08-20) |
| March 31, 2023 | MRK | A | 304 | $106.39 | $32,343 | 17,499 Direct | +1.77% | Acquired | 41.4% (price as of 2026-08-20) |
| Dec. 30, 2022 | MRK | A | 293 | $110.95 | $32,508 | 17,084 Direct | +1.74% | Acquired | 35.6% (price as of 2026-08-20) |
| Sept. 30, 2022 | MRK | A | 377 | $86.12 | $32,467 | 16,663 Direct | +2.31% | Acquired | 74.6% (price as of 2026-08-20) |
| June 30, 2022 | MRK | A | 356 | $91.17 | $32,457 | 16,168 Direct | +2.25% | Acquired | 65.0% (price as of 2026-08-20) |
| May 27, 2022 | MRK | A | 2,364 | $93.08 | $220,041 | 15,811 Direct | +17.58% | Acquired | 61.6% (price as of 2026-08-20) |
| March 31, 2022 | MRK | A | 396 | $82.05 | $32,492 | 13,345 Direct | +3.06% | Acquired | 83.3% (price as of 2026-08-20) |
| Dec. 31, 2021 | MRK | A | 424 | $76.64 | $32,495 | 12,842 Direct | +3.41% | Acquired | 96.2% (price as of 2026-08-20) |
| Sept. 30, 2021 | MRK | A | 433 | $75.11 | $32,523 | 12,324 Direct | +3.64% | Acquired | 100.2% (price as of 2026-08-20) |
| June 30, 2021 | MRK | A | 418 | $77.77 | $32,508 | 11,797 Direct | +3.67% | Acquired | 93.4% (price as of 2026-08-20) |
| May 28, 2021 | MRK | A | 2,635 | $75.89 | $199,970 | 11,040 Direct | +31.35% | Acquired | 107.7% (price as of 2026-08-20) |
| March 31, 2021 | MRK | A | 422 | $77.09 | $32,532 | 8,337 Direct | +5.33% | Acquired | 104.5% (price as of 2026-08-20) |
| Dec. 31, 2020 | MRK | A | 397 | $81.80 | $32,475 | 7,857 Direct | +5.32% | Acquired | 92.7% (price as of 2026-08-20) |
| Sept. 30, 2020 | MRK | A | 392 | $82.95 | $32,516 | 7,406 Direct | +5.59% | Acquired | 90.0% (price as of 2026-08-20) |
| June 30, 2020 | MRK | A | 420 | $77.33 | $32,479 | 6,964 Direct | +6.42% | Acquired | 103.8% (price as of 2026-08-20) |
| May 29, 2020 | MRK | A | 2,478 | $80.72 | $200,024 | 6,544 Direct | +60.94% | Acquired | 95.3% (price as of 2026-08-20) |
| March 31, 2020 | MRK | A | 422 | $76.94 | $32,469 | 4,038 Direct | +11.67% | Acquired | 104.9% (price as of 2026-08-20) |
| Dec. 31, 2019 | MRK | A | 344 | $90.95 | $31,287 | 3,593 Direct | +10.59% | Acquired | 73.3% (price as of 2026-08-20) |
| Sept. 30, 2019 | MRK | A | 371 | $84.18 | $31,231 | 3,231 Direct | +12.97% | Acquired | 87.2% (price as of 2026-08-20) |
| June 28, 2019 | MRK | A | 373 | $83.85 | $31,276 | 2,843 Direct | +15.10% | Acquired | 88.0% (price as of 2026-08-20) |
| May 31, 2019 | MRK | A | 2,336 | $79.21 | $185,035 | 2,471 Direct | +1730.37% | Acquired | 99.0% (price as of 2026-08-20) |
| March 29, 2019 | MRK | A | 57 | $83.17 | $4,741 | 135 Direct | +73.08% | Acquired | 89.5% (price as of 2026-08-20) |
| March 18, 2019 | MRK | A | 79 | $81.35 | $6,427 | 79 Direct | — | Acquired | 93.7% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 30, 2026 | MRK | Phantom Stock | Common Stock (233) | — | — | 233 | Acquired |
| May 29, 2026 | MRK | Phantom Stock | Common Stock (1,853) | — | — | 1,853 | Acquired |
| March 31, 2026 | MRK | Phantom Stock | Common Stock (249) | — | — | 249 | Acquired |
| Dec. 31, 2025 | MRK | Phantom Stock | Common Stock (285) | — | — | 285 | Acquired |
| Sept. 30, 2025 | MRK | Phantom Stock | Common Stock (357) | — | — | 357 | Acquired |
| June 30, 2025 | MRK | Phantom Stock | Common Stock (379) | — | — | 379 | Acquired |
| May 30, 2025 | MRK | Phantom Stock | Common Stock (2,863) | — | — | 2,863 | Acquired |
| March 31, 2025 | MRK | Phantom Stock | Common Stock (334) | — | — | 334 | Acquired |
| Dec. 31, 2024 | MRK | Phantom Stock | Common Stock (302) | — | — | 302 | Acquired |
| Sept. 30, 2024 | MRK | Phantom Stock | Common Stock (264) | — | — | 264 | Acquired |
| June 28, 2024 | MRK | Phantom Stock | Common Stock (242) | — | — | 242 | Acquired |
| May 31, 2024 | MRK | Phantom Stock | Common Stock (1,752) | — | — | 1,752 | Acquired |
| March 28, 2024 | MRK | Phantom Stock | Common Stock (227) | — | — | 227 | Acquired |
| Dec. 29, 2023 | MRK | Phantom Stock | Common Stock (275) | — | — | 275 | Acquired |
| Sept. 29, 2023 | MRK | Phantom Stock | Common Stock (291) | — | — | 291 | Acquired |
| June 30, 2023 | MRK | Phantom Stock | Common Stock (260) | — | — | 260 | Acquired |
| May 26, 2023 | MRK | Phantom Stock | Common Stock (1,981) | — | — | 1,981 | Acquired |
| March 31, 2023 | MRK | Phantom Stock | Common Stock (304) | — | — | 304 | Acquired |
| Dec. 30, 2022 | MRK | Phantom Stock | Common Stock (293) | — | — | 293 | Acquired |
| Sept. 30, 2022 | MRK | Phantom Stock | Common Stock (377) | — | — | 377 | Acquired |
| June 30, 2022 | MRK | Phantom Stock | Common Stock (356) | — | — | 356 | Acquired |
| May 27, 2022 | MRK | Phantom Stock | Common Stock (2,364) | — | — | 2,364 | Acquired |
| March 31, 2022 | MRK | Phantom Stock | Common Stock (396) | — | — | 396 | Acquired |
| Dec. 31, 2021 | MRK | Phantom Stock | Common Stock (424) | — | — | 424 | Acquired |
| Sept. 30, 2021 | MRK | Phantom Stock | Common Stock (433) | — | — | 433 | Acquired |
| June 30, 2021 | MRK | Phantom Stock | Common Stock (418) | — | — | 418 | Acquired |
| May 28, 2021 | MRK | Phantom Stock | Common Stock (2,635) | — | — | 2,635 | Acquired |
| March 31, 2021 | MRK | Phantom Stock | Common Stock (422) | — | — | 422 | Acquired |
| Dec. 31, 2020 | MRK | Phantom Stock | Common Stock (397) | — | — | 397 | Acquired |
| Sept. 30, 2020 | MRK | Phantom Stock | Common Stock (392) | — | — | 392 | Acquired |
| June 30, 2020 | MRK | Phantom Stock | Common Stock (420) | — | — | 420 | Acquired |
| May 29, 2020 | MRK | Phantom Stock | Common Stock (2,478) | — | — | 2,478 | Acquired |
| March 31, 2020 | MRK | Phantom Stock | Common Stock (422) | — | — | 422 | Acquired |
| Dec. 31, 2019 | MRK | Phantom Stock | Common Stock (344) | — | — | 344 | Acquired |
| Sept. 30, 2019 | MRK | Phantom Stock | Common Stock (371) | — | — | 371 | Acquired |
| June 28, 2019 | MRK | Phantom Stock | Common Stock (373) | — | — | 373 | Acquired |
| May 31, 2019 | MRK | Phantom Stock | Common Stock (2,336) | — | — | 2,336 | Acquired |
| March 29, 2019 | MRK | Phantom Stock | Common Stock (57) | — | — | 57 | Acquired |
| March 18, 2019 | MRK | Phantom Stock | Common Stock (79) | — | — | 79 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 20, 2019 | MRK | Common Stock | 10 | Direct |