BASSLER BONNIE L

PrivateCIK: 1683607
Location

TARRYTOWN, NY

BASSLER BONNIE L sold 32.9% of their position (760.00 shares) of REGENERON PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $570.0K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderBASSLER BONNIE LCIK 1683607
Director
Since Jan 2019
-760.00
Net shares
Net seller
$570.0K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
760.00 acquired · 1.52K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+760.00

Price / share

$371.40

Trade value

$282.26K

% of position

49.1%
11/20/2025
1.55K2.31K

Common Stock

Direct
S · Sale

Shares

760.00

Price / share

$750.00

Trade value

$570K

% of position

32.9%
11/20/2025
2.31K1.55K
Total

Net shares

+0.00

Net value

-$287.74K

Derivative Transactions1

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

760.00 shares

Shares

760.00

Strike price

371.4

Held after

756.00

Exercisable

11/20/2025
BASSLER BONNIE L — Insider Transaction (Form 4) Filed Nov 24, 2025 | Finecho