CIK 0000310158 · Large accelerated filer
Merck & Co., Inc.
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- MRK
- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- NJ
- Entity type
- operating
- EIN
- 221918501
- Phone
- 908-740-4000
- Business address
- 126 EAST LINCOLN AVENUE, P.O. BOX 2000, RAHWAY, NJ, 07065
- Former names
- Merck & Co. Inc., SCHERING PLOUGH CORP
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-04-29 | Oosthuizen Johannes Jacobus EVP, Oncology & Int?l | Shares withheld for taxes | −679 | $110.03 | $75K | 21,895.39 |
| 2026-04-29 | Oosthuizen Johannes Jacobus EVP, Oncology & Int?l | Option exercise · Restricted Stock Unit | −1,377 | 2,755 | ||
| 2026-03-31 | Seidman Christine E Director | Grant or award · Phantom Stock | +67.55 | $120.29 | $8K | 19,238.33 |
| 2026-03-31 | GLOCER THOMAS H Director | Grant or award · Phantom Stock | +405.27 | $120.29 | $49K | 108,293.49 |
| 2026-03-31 | Coe Mary Ellen Director | Grant or award · Phantom Stock | +249.4 | $120.29 | $30K | 29,702.65 |
| 2026-02-12 | Guindo Chirfi Chief Marketing Officer | Sale | −10,000 | $121.46 | $1.2M | 60,615.13 |
| 2026-02-10 | Li Dean Y Executive VP & President, MRL | Sale | −10,235 | $117.52 | $1.2M | 92,035.05 |
| 2026-02-09 | Guindo Chirfi Chief Marketing Officer | Sale | −10,000 | $118.41 | $1.2M | 70,615.13 |
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Option exercise | +25,946 | $119.15 | $3.1M | 94,861.67 |
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Sale | −25,946 | $119.15 | $3.1M | 68,915.67 |
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Option exercise | +56,792 | $119.15 | $6.8M | 125,707.67 |
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Sale | −56,792 | $119.15 | $6.8M | 68,915.67 |
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Option exercise | +38,835 | $119.15 | $4.6M | 107,750.67 |
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Sale | −38,835 | $119.15 | $4.6M | 68,915.67 |
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Option exercise · Stock Option (Right to Buy) | −25,946 | 0 | ||
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Option exercise · Stock Option (Right to Buy) | −56,792 | 0 | ||
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Option exercise · Stock Option (Right to Buy) | −38,835 | 0 | ||
| 2026-02-06 | Williams David Michael EVP,Chief Info&Digital Officer | Option exercise | +5,000 | $77.62 | $388K | 35,837.74 |
| 2026-02-06 | Williams David Michael EVP,Chief Info&Digital Officer | Sale | −5,000 | $121.91 | $610K | 30,837.74 |
| 2026-02-06 | Williams David Michael EVP,Chief Info&Digital Officer | Option exercise · Stock Option (Right to Buy) | −5,000 | 4,600 |
Page 7 of 19 · 376 trades