MRK Insider Trading Activity and SEC Form 4 Filings
Trump's trades in MRK
From his financial disclosures
$213K+
10 purchases
$332K+
6 sales
Sale
Jul 31, 2026
Reported 53d later
$250K - $500K
Purchase
Jun 23, 2026
Reported 60d later
$1K - $15K
Purchase
Jun 15, 2026
Reported 68d later
$50K - $100K
Purchase
Jun 12, 2026
Reported 71d later
$50K - $100K
Sale
May 18, 2026
Reported 44d later
$1K - $15K
Purchase
May 15, 2026
Reported 47d later
$15K - $50K
Includes 1 trade in MRK bonds. Many orders in these accounts are placed by the account manager. See all 17 trades
MRK insider trading summary
Over the past 12 months, insiders at Merck & Co., Inc. (MRK) reported 34 sales worth $71.3M by 11 insiders and no open-market purchases on SEC Form 4. Net insider selling was $71.3M.
Latest MRK insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Aug 13, 2026 | Chirfi Guindo | EVP, Access, Policy & Comms | Sell | $1.4M (10,000 @ $135.00) |
| Aug 12, 2026 | Jennifer Zachary | EVP, General Counsel | Sell | $10.7M (80,315 @ $133.46) |
| Aug 12, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sell | $79K (600 @ $132.04) |
| Aug 12, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sell | $1.5M (11,099 @ $131.61) |
| Aug 11, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sell | $973K (7,410 @ $131.33) |
| Aug 11, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sell | $718K (5,427 @ $132.35) |
| Aug 10, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sell | $2.7M (20,784 @ $130.43) |
| Aug 6, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sell | $105K (805 @ $131.02) |
| Aug 6, 2026 | Chirfi Guindo | EVP, Access, Policy & Comms | Sell | $2.0M (15,000 @ $131.00) |
| Aug 6, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sell | $644K (4,945 @ $130.23) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.