Transaction · 0001238303-26-000002

LAROSA JOSEPH J

LAROSA JOSEPH J, GC, reported a transaction classified as exercise at REGENERON PHARMACEUTICALS, INC. involving 12282.000000 shares for an estimated $0.00. Reported holdings after the transaction were 12283.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MGC
REGNREGENERON PHARMACEUTICALS, INC.
Filing timeAug 21
Trade dateAug 19, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$834.04
Pre-filing
1mo ago -19.4%1w ago -4.3%1d ago -2.9%
Returns since
7d -4.8%30d -4.8%90d -4.8%180d -4.8%1y -4.8%

REGN price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
REGN since 2026-08-21Filed 14 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001238303-26-000002
Non-Qualified Stock Option (right to buy)
Transaction date
Aug 19, 2026
Filed Aug 21, 2026, 08:01 PM · 2d delay
Shares
12.2k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
12.2k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership Large Holdings Reduction
-6score
Filing-only score

-6

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP General Counsel and Secret

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The stock option award vested in four equal annual installments, commencing one year after the date of grant.

Original filing · 0001238303-26-000002
Related transactions

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Same reporting owner
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