Transaction · 0001238303-26-000004

Larosa Joseph J

LAROSA JOSEPH J, GC, reported a transaction classified as withholding at REGENERON PHARMACEUTICALS, INC. involving 8686.000000 shares for an estimated $8256043.00. Reported holdings after the transaction were 43372.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FGC
REGNREGENERON PHARMACEUTICALS, INC.
Trade date
Nov 02, 2026
Filing date
Nov 04, 2026
View on SEC Insider profile
Disclosed value-$8.25MShares × reported price
Shares traded8.68k$950.50 per share
Holdings after43.3kDirect
% 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 -24.5%1w ago -17.0%1d ago -4.7%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001238303-26-000004
Common Stock
Transaction date
Nov 02, 2026
Filed Nov 04, 2026, 09:04 PM · 2d delay
Shares
8,686 sh
$950.50 per share
Estimated value
-$8.25M
Computed from shares × price
Holdings after
43,372 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 General Counsel and Secret

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

    Represents volume-weighted average price of sales of 3,939 shares of Company stock on November 2, 2026 at prices ranging from $965.00 to $965.99. Upon request by the Commission staff, the Company, or…

  2. F2

    Represents volume-weighted average price of sales of 527 shares of Company stock on November 2, 2026 at prices ranging from $966.00 to $966.32. Upon request by the Commission staff, the Company, or a…

  3. F3

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

Original filing · 0001238303-26-000004
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