MRK
Merck & Co., Inc.
25 disclosed insider filings · 5 distinct insiders · latest Aug 13, 2026
Total filings
25
5 insiders
Insider buys
0
$0
Insider sells
17
$30M
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 | Aug 13, 2026 | Chirfi Guindo OFFICER | SELL | 10,000 | $135 | $1.4M | — | EDGAR |
| Aug 13, 2026 | Aug 12, 2026 | Jennifer Zachary OFFICER | OTHER | 54,927 | $109.78 | $6.0M | 2 | EDGAR |
| Aug 13, 2026 | Aug 12, 2026 | Jennifer Zachary OFFICER | SELL | 80,315 | $133.46 | $11M | — | EDGAR |
| Aug 12, 2026 | Aug 12, 2026 | Richard R Deluca OFFICER | SELL | 11,699 | $131.63 | $1.5M | 2 | EDGAR |
| Aug 12, 2026 | Aug 11, 2026 | Richard R Deluca OFFICER | SELL | 12,837 | $131.76 | $1.7M | 2 | EDGAR |
| Aug 12, 2026 | Aug 10, 2026 | Richard R Deluca OFFICER | SELL | 20,784 | $130.43 | $2.7M | — | EDGAR |
| Aug 10, 2026 | Aug 6, 2026 | Richard R Deluca OFFICER | SELL | 6,050 | $130.38 | $789K | 3 | EDGAR |
| Aug 7, 2026 | Aug 6, 2026 | Chirfi Guindo OFFICER | SELL | 15,000 | $131 | $2.0M | — | EDGAR |
| Aug 7, 2026 | Aug 5, 2026 | David Michael Williams OFFICER | SELL | 52,847 | $128.77 | $6.8M | 3 | EDGAR |
| Aug 7, 2026 | Aug 5, 2026 | David R Maraldo OFFICER | OTHER | 18,706 | $82.25 | $1.5M | 3 | EDGAR |
| Aug 7, 2026 | Aug 5, 2026 | David R Maraldo OFFICER | SELL | 18,706 | $128.72 | $2.4M | 3 | EDGAR |
| Aug 7, 2026 | Aug 5, 2026 | David Michael Williams OFFICER | OTHER | 52,847 | $74.49 | $3.9M | 3 | EDGAR |