ZACHARY JENNIFER

PrivateCIK: 1737231
Location

RAHWAY, NJ

ZACHARY JENNIFER (EVP, General Counsel) sold 63.8% of their position (121.57K shares) of MERCK & CO., INC. on the open market

Open‑market sale worth $14.49M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderZACHARY JENNIFERCIK 1737231
IssuerMERCK & CO., INC.CIK 310158
Officer· EVP, General Counsel
Since May 2019
-121.57K
Net shares
Net seller
$14.49M
Total sold
3
Open market trades
0B · 3S
9
Total transactions
121.57K acquired · 243.15K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+25.95K

Price / share

$119.15

Trade value

$3.09M

% of position

37.6%
2/9/2026
68.92K94.86K

Common Stock

Direct
S · Sale

Shares

25.95K

Price / share

$119.15

Trade value

$3.09M

% of position

27.4%
2/9/2026
94.86K68.92K

Common Stock

Direct
M · Option Exercise

Shares

+56.79K

Price / share

$119.15

Trade value

$6.77M

% of position

82.4%
2/9/2026
68.92K125.71K

Common Stock

Direct
S · Sale

Shares

56.79K

Price / share

$119.15

Trade value

$6.77M

% of position

45.2%
2/9/2026
125.71K68.92K

Common Stock

Direct
M · Option Exercise

Shares

+38.84K

Price / share

$119.15

Trade value

$4.63M

% of position

56.4%
2/9/2026
68.92K107.75K

Common Stock

Direct
S · Sale

Shares

38.84K

Price / share

$119.15

Trade value

$4.63M

% of position

36.0%
2/9/2026
107.75K68.92K
Total

Net shares

+0.00

Net value

$0.00

Derivative Transactions3

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

25.95K shares

Shares

25.95K

Strike price

75.36

Held after

0.00

Exercisable

2/9/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

56.79K shares

Shares

56.79K

Strike price

73.73

Held after

0.00

Exercisable

2/9/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

38.84K shares

Shares

38.84K

Strike price

87.10

Held after

0.00

Exercisable

2/9/2026
ZACHARY JENNIFER — Insider Transaction (Form 4) Filed Feb 9, 2026 | Finecho