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.
Trade date
Aug 18, 2026
Filing date
Aug 20, 2026
View on SEC Insider profile
Estimated value-$3.74MShares × reported price
Shares traded4.59k$813.47 per share
Holdings after19.9kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

REGN price since this filing

Daily closing prices, with the filing date and available return windows
REGN · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -18.1%1w ago -3.6%1d ago -2.5%
Returns since7d -2.3%30d -5.1%90d180d1y

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
4,599 sh
$813.47 per share
Estimated value
-$3.74M
Computed from shares × price
Holdings after
19,984 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

-12 points

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.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

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

0 other transactions

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