Transaction · 0001697422-26-000002

Fenimore Christopher R.

Fenimore Christopher R., EFC, reported a transaction classified as withholding at REGENERON PHARMACEUTICALS, INC. involving 4599.000000 shares for an estimated $3741148.53. Reported holdings after the transaction were 19984.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FEFC
REGNREGENERON PHARMACEUTICALS, INC.
Filing timeAug 20
Trade dateAug 18, 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
$826.64
Pre-filing
1mo ago -18.1%1w ago -3.6%1d ago -2.5%
Returns since
7d -2.3%30d -0.3%90d -0.3%180d -0.3%1y -0.3%

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 2026-08-20Filed 15 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

Non-derivative
Type
withholding
Code F
Identifier
0001697422-26-000002
Common Stock
Transaction date
Aug 18, 2026
Filed Aug 20, 2026, 08:01 PM · 2d delay
Shares
4.59k sh
$81.3k per share
Estimated value
-$374M
Computed from shares × price
Holdings after
19.9k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
-12score
Filing-only score

-12

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 Finance CFO

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

    These shares are held in a trust for the benefit of the reporting person's spouse. The reporting person and the reporting person's spouse are trustees of the trust.

  2. F2

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

Original filing · 0001697422-26-000002
Related transactions

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Same reporting owner
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