SCHLEIFER LEONARD S

PrivateCIK: 1218629
Location

TARRYTOWN, NY

SCHLEIFER LEONARD S (President & CEO) exercised options at REGENERON PHARMACEUTICALS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderSCHLEIFER LEONARD SCIK 1218629
DirectorOfficer· President & CEO
Since Dec 2018
-28.57K
Net shares
Net seller
$22.06M
Total sold
0
Open market trades
0B · 0S
3
Total transactions
28.57K acquired · 57.14K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+28.57K

Price / share

Trade value

% of position

13.3%
12/31/2025
214.52K243.09K

Common Stock

Direct
F · Tax Withholding

Shares

28.57K

Price / share

$772.09

Trade value

$22.06M

% of position

11.8%
12/31/2025
243.09K214.52K
Total

Net shares

+0.00

Net value

-$22.06M

Derivative Transactions1

2020 Performance Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

28.57K shares

Shares

28.57K

Strike price

Held after

595.08K

Exercisable

12/31/2025
Non-Derivative Holdings (Post-Transaction)4

Common Stock

Indirect
Shares owned39.98K

Common Stock

Indirect
Shares owned300K

Common Stock

Indirect
Shares owned5.99K

Common Stock

Indirect
Shares owned127.48K
Total
473.46K indirect473.46K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
SCHLEIFER LEONARD S — Insider Transaction (Form 4) Filed Jan 5, 2026 | Finecho