Institutional Ownership
Merck & Co.
CUSIP 58933Y108COMMRKQ1 2026
Insider Transactions
110
Form 4 lines on record
Reporting Insiders
25
Distinct officers & directors
90d Buys
0
Open-market purchase shares
90d Sells
92.6K
Open-market sale shares
Insider Transactions — Form 4
110 reported transactions
| # | Date | Insider | Title | Type | Shares | Price | Value | Held After | Filing |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Aug 6, 2026 | Deluca Richard R. | EVP&Pres, Merck Animal Heallth | S · Sell | 805 | $131.02 | $105.5K | 160.7K | SEC |
| 2 | Aug 6, 2026 | Deluca Richard R. | EVP&Pres, Merck Animal Heallth | S · Sell | 4.9K | $130.23 | $644.0K | 155.8K | SEC |
| 3 | Aug 6, 2026 | Deluca Richard R. | EVP&Pres, Merck Animal Heallth | S · Sell | 300 | $131.02 | $39.3K | 155.5K | SEC |
| 4 | Aug 6, 2026 | Guindo Chirfi | EVP, Access, Policy & Comms | S · Sell | 15.0K | $131.00 | $1.97M | 46.6K | SEC |
| 5 | Aug 5, 2026 | Maraldo David R. | EVP & Pres. MMD | M · Option Exercise | 6.3K | $73.73 | $465.3K | 24.5K | SEC |
| 6 | Aug 5, 2026 | Maraldo David R. | EVP & Pres. MMD | S · Sell | 6.3K | $128.72 | $812.3K | 18.2K | SEC |
| 7 | Aug 5, 2026 | Maraldo David R. | EVP & Pres. MMD | M · Option Exercise | 9.7K | $87.10 | $845.7K | 27.9K | SEC |
| 8 | Aug 5, 2026 | Maraldo David R. | EVP & Pres. MMD | S · Sell | 9.7K | $128.72 | $1.25M | 18.2K | SEC |
| 9 | Aug 5, 2026 | Maraldo David R. | EVP & Pres. MMD | M · Option Exercise | 2.7K | $84.71 | $227.5K | 20.9K | SEC |
| 10 | Aug 5, 2026 | Maraldo David R. | EVP & Pres. MMD | S · Sell | 2.7K | $128.72 | $345.7K | 18.2K | SEC |
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