NYSE · CIK 0000310158
MRK Merck & Co., Inc.
Insider trading from SEC Form 4. Last filing Feb 7, 2025.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
5
with a Form 4 at this company
Signals
Open-market buys and sells at Merck & Co., Inc., scored.
| Score | Side | Insider | Value | Shares | Holdings change | Price context | Filed |
|---|---|---|---|---|---|---|---|
| 50Moderate | buy | BAKER DOUGLAS M JR director | $1.3M | 15,000 | +1500% | - |
Congressional trades
43 trades in MRK disclosed by members of Congress under the STOCK Act, the newest 20 shown. All congressional trades.
| Member | Type | Asset | Amount | Traded | Filed |
|---|---|---|---|---|---|
| Maria Elvira Salazar House · R-FL | Partial sale | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Sep 24, 2026 | 13 days after the trade |
| Maria Elvira Salazar House · R-FL | Purchase | MRK Merck & Company, Inc. Common Stock | $15k to $50k | Aug 19, 2026 | 21 days after the trade |
| Maria Elvira Salazar House · R-FL | Purchase | MRK Merck & Company, Inc. Common Stock | $15k to $50k | Aug 19, 2026 | 21 days after the trade |
| Alan Armstrong Senate · R-OK | Sale | MRK Merck & Company, Inc. Common Stock (new) | $15k to $50k | Mar 27, 2026 | 116 days after the trade |
| Josh Gottheimer House · D-NJ | Purchase | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Feb 4, 2026 | 40 days after the trade |
| Julie Johnson House · D-TX | Sale | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Dec 18, 2025 | 28 days after the trade |
| Gilbert Ray Cisneros, Jr. House · D-CA | Purchase | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Dec 19, 2025 | 24 days after the trade |
| Gilbert Ray Cisneros, Jr. House · D-CA | Purchase | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Nov 18, 2025 | 27 days after the trade |
| Julie Johnson House · D-TX | Partial sale | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Nov 13, 2025 | 28 days after the trade |
| Val T. Hoyle House · D-OR | Sale | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Sep 23, 2025 | 17 days after the trade |
| Sheri Biggs House · R-SC | Sale | MRK Merck & Company, Inc. Common Stock | $15k to $50k | Mar 19, 2025 | 200 days after the trade |
| Val T. Hoyle House · D-OR | Purchase | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Oct 29, 2024 | 318 days after the trade |
| Gilbert Ray Cisneros, Jr. House · D-CA | Purchase | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Aug 5, 2025 | 38 days after the trade |
| Lisa C. McClain House · R-MI | Sale | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Aug 4, 2025 | 39 days after the trade |
| Julie Johnson House · D-TX | Partial sale | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Aug 14, 2025 | 28 days after the trade |
| Marjorie Taylor Greene House · R-GA | Purchase | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Aug 28, 2025 | 1 day after the trade |
| Ritchie Torres House · D-NY | Sale | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Jul 11, 2025 | 40 days after the trade |
| Ritchie Torres House · D-NY | Purchase | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Sep 26, 2024 | 328 days after the trade |
| Lisa C. McClain House · R-MI | Purchase | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Jun 24, 2025 | 50 days after the trade |
| Scott Franklin House · R-FL | Sale | MRK Merck & Company, Inc. Common Stock | $1,001 to $15k | Jun 16, 2025 | 28 days after the trade |
Transactions
The last 5 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Feb 5, 2025 | BAKER DOUGLAS M JR director | POpen-market purchase Common Stock | +15,000 | $88.50 | $1.3M | 16,000 | Feb 7, 2025 |
| Jan 27, 2025 | Chattopadhyay Sanat Exe V-P & Pres. MMD | AGrant or award Common Stock | +28,136 | $97.94 | $2.8M | 78,758 | Jan 29, 2025 |
| Jan 27, 2025 | Davis Robert M Chairman, CEO & President | AGrant or award Common Stock | +95,275 | $97.94 | $9.3M | 443,602 | Jan 29, 2025 |
| Jan 27, 2025 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | AGrant or award Common Stock | +25,438 | $97.94 | $2.5M | 178,993 | Jan 29, 2025 |
| Dec 31, 2024 | Coe Mary Ellen director | AGrant or award Phantom Stockderivative | +302 | $99.48 | $30k | 24,041 | Jan 3, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- BAKER DOUGLAS M JRdirector
- Chattopadhyay SanatExe V-P & Pres. MMD
- Coe Mary Ellendirector
- Davis Robert MChairman, CEO & President
- DeLuca Richard R.EVP&Pres, Merck Animal Heallth
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.