SEC Form 4 · accession 0000310158-26-000215
Merck & Co., Inc. · MRK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
David R. Maraldo
Officer — EVP & Pres. MMD
Period of report
Aug 5, 2026
Accepted (ET)
Aug 7, 2026 · 4:21 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000310158
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 5, 2026 | M | 6,311 | $73.73 | A | 24,523 | D | |
| Common StockF1 | Aug 5, 2026 | S | 6,311 | $128.7179 | D | 18,212 | D | |
| Common Stock | Aug 5, 2026 | M | 9,709 | $87.10 | A | 27,921 | D | |
| Common StockF1 | Aug 5, 2026 | S | 9,709 | $128.7179 | D | 18,212 | D | |
| Common Stock | Aug 5, 2026 | M | 2,686 | $84.71 | A | 20,898 | D | |
| Common StockF1 | Aug 5, 2026 | S | 2,686 | $128.7179 | D | 18,212 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F2 | $73.73 | Aug 5, 2026 | M | 6,311 | D | May 4, 2022 | May 3, 2031 | Common Stock | 6,311 | 3,154 | D |
| Stock Option (Right to Buy)F3 | $87.10 | Aug 5, 2026 | M | 9,709 | D | May 3, 2023 | May 2, 2032 | Common Stock | 9,709 | 0 | D |
| Stock Option (Right to Buy)F4 | $84.71 | Aug 5, 2026 | M | 2,686 | D | Apr 29, 2026 | Apr 28, 2035 | Common Stock | 2,686 | 5,374 | D |
Explanation of responses
- F1The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.6400 to $128.8500, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above in the footnote.
- F2The option vested and became exercisable in three equal installments on 5/4/2022, 5/4/2023, and 5/4/2024.
- F3The option vested and become exercisable in three equal installments on 5/3/2023, 5/3/2024, and 5/3/2025.
- F4The options vest and become exercisable in three equal installments on 4/29/2026, 4/29/2027, and 4/29/2028.