CIK 0000310158 · Large accelerated filer
Merck & Co., Inc.
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Sale | −6,311 | $128.72 | $812K | 18,212.43 |
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Option exercise | +9,709 | $87.10 | $846K | 27,921.43 |
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Sale | −9,709 | $128.72 | $1.2M | 18,212.43 |
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Option exercise | +2,686 | $84.71 | $228K | 20,898.43 |
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Sale | −2,686 | $128.72 | $346K | 18,212.43 |
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Option exercise · Stock Option (Right to Buy) | −6,311 | 3,154 | ||
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Option exercise · Stock Option (Right to Buy) | −9,709 | 0 | ||
| 2026-08-05 | Maraldo David R. EVP & Pres. MMD | Option exercise · Stock Option (Right to Buy) | −2,686 | 5,374 | ||
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Option exercise | +4,600 | $77.62 | $357K | 36,316.04 |
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Sale | −4,600 | $128.77 | $592K | 31,716.04 |
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Option exercise | +13,542 | $75.36 | $1.0M | 45,258.04 |
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Sale | −13,542 | $128.77 | $1.7M | 31,716.04 |
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Option exercise | +34,705 | $73.73 | $2.6M | 66,421.04 |
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Sale | −34,705 | $128.77 | $4.5M | 31,716.04 |
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Option exercise · Stock Option (Right to Buy) | −4,600 | 0 | ||
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Option exercise · Stock Option (Right to Buy) | −13,542 | 0 | ||
| 2026-08-05 | Williams David Michael EVP,Chief Info&Digital Officer | Option exercise · Stock Option (Right to Buy) | −34,705 | 0 | ||
| 2026-06-30 | Seidman Christine E Director | Grant or award · Phantom Stock | +63.23 | $128.50 | $8K | 21,291.27 |
| 2026-06-30 | Karsanbhai Surendralal Lanca Director | Grant or award · Phantom Stock | +126.46 | $128.50 | $16K | 5,518.8 |
| 2026-06-30 | Coe Mary Ellen Director | Grant or award · Phantom Stock | +233.46 | $128.50 | $30K | 31,999.1 |
Page 2 of 19 · 376 trades