OOSTHUIZEN JOHANNES JACOBUS (SVP, U.S. Market) exercised options at MERCK & CO., INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 5/1/2026ACC: 0000310158-26-000078
Officer· SVP, U.S. Market
Since Feb 2022
-679.00
Net shares
Net seller
$74.7K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
1.38K acquired · 2.06K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+1.38K
Price / share
$110.03
Trade value
$151.51K
% of position
6.5%
4/29/2026
21.20K→22.57K
Common Stock
Direct
Shares
−679.00
Price / share
$110.03
Trade value
$74.71K
% of position
3.0%
4/29/2026
22.57K→21.90K
Total
Net shares
+698.00
Net value
$76.80K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 4/29/2026 | M · Option Exercise | +1.38K | $110.03 | $151.51K | 6.5% | 21.20K | 22.57K |
| Common Stock Direct | 4/29/2026 | F · Tax Withholding | −679.00 | $110.03 | $74.71K | 3.0% | 22.57K | 21.90K |
| Total | +698.00 | $76.80K | ||||||
Derivative Transactions1
Restricted Stock Unit
Direct
Converts to
Common Stock
1.38K shares
Shares
−1.38K
Strike price
Held after
2.75K
Exercisable
—
4/29/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock1.38K shares | 4/29/2026 | M · Option Exercise | −1.38K | — | 2.75K |