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 |
|---|---|---|---|---|---|---|
| 2026-11-01 | DIAZ PAUL J Director | Grant or award · Phantom Stock | +613.07 | $149.52 | $92K | 613.07 |
| 2026-09-30 | Seidman Christine E Director | Grant or award · Phantom Stock | +55.91 | $145.31 | $8K | 21,490.4 |
| 2026-09-30 | Karsanbhai Surendralal Lanca Director | Grant or award · Phantom Stock | +111.83 | $145.31 | $16K | 5,667.01 |
| 2026-09-30 | Coe Mary Ellen Director | Grant or award · Phantom Stock | +206.46 | $145.31 | $30K | 32,419.87 |
| 2026-08-13 | Guindo Chirfi EVP, Access, Policy & Comms | Sale | −10,000 | $135.00 | $1.4M | 36,613.13 |
| 2026-08-12 | Zachary Jennifer EVP, General Counsel | Option exercise | +41,494 | $117.89 | $4.9M | 112,391.25 |
| 2026-08-12 | Zachary Jennifer EVP, General Counsel | Option exercise | +13,433 | $84.71 | $1.1M | 125,824.25 |
| 2026-08-12 | Zachary Jennifer EVP, General Counsel | Sale | −80,315 | $133.46 | $10.7M | 45,509.25 |
| 2026-08-12 | Zachary Jennifer EVP, General Counsel | Option exercise · Stock Option (Right to Buy) | −41,494 | 0 | ||
| 2026-08-12 | Zachary Jennifer EVP, General Counsel | Option exercise · Stock Option (Right to Buy) | −13,433 | 0 | ||
| 2026-08-12 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sale | −11,099 | $131.61 | $1.5M | 110,767.07 |
| 2026-08-12 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sale | −600 | $132.04 | $79K | 110,167.07 |
| 2026-08-11 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sale | −7,410 | $131.33 | $973K | 127,293.07 |
| 2026-08-11 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sale | −5,427 | $132.35 | $718K | 121,866.07 |
| 2026-08-10 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sale | −20,784 | $130.43 | $2.7M | 134,703.07 |
| 2026-08-06 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sale | −805 | $131.02 | $105K | 160,732.07 |
| 2026-08-06 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sale | −4,945 | $130.23 | $644K | 155,787.07 |
| 2026-08-06 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sale | −300 | $131.02 | $39K | 155,487.07 |
| 2026-08-06 | Guindo Chirfi EVP, Access, Policy & Comms | Sale | −15,000 | $131.00 | $2.0M | 46,613.13 |
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Option exercise | +6,311 | $73.73 | $465K | 24,523.43 |
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