WILLIAMS DAVID MICHAEL

PrivateCIK: 1820958
Location

RAHWAY, NJ

WILLIAMS DAVID MICHAEL (EVP,Chief Info&Digital Officer) sold 62.5% of their position (52.85K shares) of MERCK & CO., INC. on the open market

Open‑market sale worth $6.81M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderWILLIAMS DAVID MICHAELCIK 1820958
IssuerMERCK & CO., INC.CIK 310158
Officer· EVP,Chief Info&Digital Officer
Since Aug 2020
-52.85K
Net shares
Net seller
$6.81M
Total sold
3
Open market trades
0B · 3S
9
Total transactions
52.85K acquired · 105.69K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+4.60K

Price / share

$77.62

Trade value

$357.05K

% of position

14.5%
8/5/2026
31.72K36.32K

Common Stock

Direct
S · Sale

Shares

4.60K

Price / share

$128.77

Trade value

$592.35K

% of position

12.7%
8/5/2026
36.32K31.72K

Common Stock

Direct
M · Option Exercise

Shares

+13.54K

Price / share

$75.36

Trade value

$1.02M

% of position

42.7%
8/5/2026
31.72K45.26K

Common Stock

Direct
S · Sale

Shares

13.54K

Price / share

$128.77

Trade value

$1.74M

% of position

29.9%
8/5/2026
45.26K31.72K

Common Stock

Direct
M · Option Exercise

Shares

+34.70K

Price / share

$73.73

Trade value

$2.56M

% of position

109.4%
8/5/2026
31.72K66.42K

Common Stock

Direct
S · Sale

Shares

34.70K

Price / share

$128.77

Trade value

$4.47M

% of position

52.3%
8/5/2026
66.42K31.72K
Total

Net shares

+0.00

Net value

-$2.87M

Derivative Transactions3

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

4.60K shares

Shares

4.60K

Strike price

77.62

Held after

0.00

Exercisable

8/5/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

13.54K shares

Shares

13.54K

Strike price

75.36

Held after

0.00

Exercisable

8/5/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

34.70K shares

Shares

34.70K

Strike price

73.73

Held after

0.00

Exercisable

8/5/2026