| Type | Value |
|---|---|
| cik | 0000310158 |
| ticker | MRK |
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.
Rolling 14-day windows where ≥3 distinct insiders reported a transaction in the same direction.
| Date | Direction | Insiders | Strength | Tx | USD |
|---|---|---|---|---|---|
| 12 Feb 2026 | sell | 9 | strong | 16 | $40.7M |
| 10 Feb 2026 | sell | 9 | strong | 15 | $39.5M |
| 09 Feb 2026 | sell | 9 | strong | 14 | $38.3M |
| 06 Feb 2026 | sell | 8 | strong |
| 10 |
| $22.6M |
| 05 Feb 2026 | sell | 5 | strong | 7 | $15.6M |
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 05 May 2026 | GRANT_AWARD | Davis Robert M | 47,724 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Davis Robert M | 139,697 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | DeLuca Richard R. | 11,931 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | DeLuca Richard R. | 34,924 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Foard Brian | 10,605 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Foard Brian | 35,351 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Foard Brian | 31,044 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Guindo Chirfi | 6,628 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Guindo Chirfi | 19,402 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Larson Betty D | 7,954 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Larson Betty D | 23,283 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Li Dean Y | 19,885 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Li Dean Y | 58,207 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Litchfield Caroline | 15,908 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Litchfield Caroline | 46,566 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Maraldo David R. | 7,424 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Maraldo David R. | 21,731 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Smart Dalton E. III | 2,298 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Smart Dalton E. III | 5,045 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Oosthuizen Johannes Jacobus | 10,605 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Oosthuizen Johannes Jacobus | 31,044 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Williams David Michael | 4,640 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Williams David Michael | 13,582 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Zachary Jennifer | 12,064 | 0.00 USD | deriv |
| 05 May 2026 | GRANT_AWARD | Zachary Jennifer | 35,312 | 0.00 USD | deriv |