BASSLER BONNIE L

PrivateCIK: 1683607
Location

TARRYTOWN, NY

Senior insider sale

REGENERON PHARMACEUTICALS, INC. — senior position signals high conviction

$1.77M

2.26K shares

What this filing means

BASSLER BONNIE L plans to sell 2.26K shares of REGENERON PHARMACEUTICALS, INC. valued at approximately $1.77M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderBASSLER BONNIE LCIK 1683607
Director
Since Jan 2019
2.26K
Shares to sell
$1.77M
Approx. market value
1.50K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
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OPTION EXERCISE

CHECK

1/7/2026
1.50K
Total acquired1.50K
Planned & Completed Dispositions2
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Completed

Completed

Units to sell

760.00

Market value

$570.0K

11/20/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

1.50K

Market value

$1.20M

1/7/2026
Total

Units

2.26K

Value

$1.77M

BASSLER BONNIE L — Planned Insider Sale (Form 144) | Finecho