Transaction · 0001992352-26-000007

Guarini Kathryn

Guarini Kathryn, DIR, reported a transaction classified as exercise at REGENERON PHARMACEUTICALS, INC. involving 400.000000 shares for an estimated $0.00. Reported holdings after the transaction were 1158.000000 shares. The stored filing text includes a detected 10b5-1 reference.

exerciseSEC transaction code MDIR
REGNREGENERON PHARMACEUTICALS, INC.
Filing timeSep 03
Trade dateSep 02, 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
$843.47
Pre-filing
1mo ago -10.0%1w ago -3.4%1d ago -2.3%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

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 2026-09-03Filed yesterday · 1 day of post-filing data
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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
0001992352-26-000007
Non-Qualified Stock Option (right to buy)
Transaction date
Sep 02, 2026
Filed Sep 03, 2026, 08:47 PM · 1d delay
Shares
400 sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
1.15k 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 10b5-1 Detected
-16score
Filing-only score

-16

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

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.

  2. F2

    On the date of the Company's first annual meeting of shareholders following the date of grant, a portion of these stock options equal to the portion of one year that had passed from the date of grant…

Original filing · 0001992352-26-000007
Related transactions

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Same reporting owner
Recent company activity

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