Regeneron’s Andrew J. Murphy gifts 1,054 shares

After the gift, Murphy's reported position included 46,779 directly held shares and 4,414 shares held through the 401(k) Plan.

Available on EDGAR 11/05/2026 - 04:10 PM EST Accepted by SEC EDGAR 11/05/2026 - 04:09 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

At Regeneron Pharmaceuticals, Inc. (REGN), Co-Chief Scientific Officer Andrew J. Murphy reported a bona fide gift transfer of 1,054 shares of common stock on November 3, 2026. His reported direct common-stock holdings after the transfer were 46,779 shares. A separate reported holding lists 4,414 shares held indirectly through the 401(k) Plan.

Insider Trade Summary

1,054 shares gifted

Gift 1 txn

Insider MURPHY ANDREW J

Role Co-Chief Scientific Officer

Type	Security	Shares	Price	Value
Gift	Common Stock	1,054	$0.00	$0.00
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 46,779 shares (Direct); Common Stock — 4,414 shares (Indirect, By 401(k) Plan)

Key Figures

Common shares gifted: 1,054 shares Direct common shares held after transaction: 46,779 shares Indirect common shares held: 4,414 shares

3 metrics

Common shares gifted 1,054 shares Bona fide gift on November 3, 2026

Direct common shares held after transaction 46,779 shares After the November 3, 2026 gift

Indirect common shares held 4,414 shares By the 401(k) Plan, reported November 3, 2026

Key Terms

Bona fide gift, non-derivative, 401(k) Plan

3 terms

Bona fide gift technical

"the 1,054-share bona fide gift"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

non-derivative technical

"the common stock gift transaction"

401(k) Plan financial

"shares held indirectly through the 401(k) Plan"

A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.

FAQ

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How many REGN shares did Andrew J. Murphy give as a gift?

Andrew J. Murphy reported a bona fide gift transfer of 1,054 shares of common stock on November 3, 2026. His reported direct common-stock holdings after the transaction were 46,779 shares; a separate holding entry lists 4,414 shares held indirectly through the 401(k) Plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MURPHY ANDREW J

(Last) (First) (Middle)

777 OLD SAW MILL RIVER ROAD

(Street)

TARRYTOWN NEW YORK 10591

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
REGENERON PHARMACEUTICALS, INC. [ REGN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Co-Chief Scientific Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/03/2026		G		1,054	D	$0.0	46,779	D
Common Stock								4,414	I	By 401(k) Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Andrew Murphy	11/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)