RVMD COO receives stock and option grants

Horn Margaret A reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Horn Margaret A reported acquisition or exercise transactions in this Form 4 filing.

Revolution Medicines, Inc. Chief Operating Officer Margaret A. Horn reported equity awards consisting of a stock option for 47,600 shares and a grant of 21,100 shares of common stock. The option vests in equal monthly installments over four years starting March 1, 2026, contingent on her continued service.

Insider Trade Summary

Grant/Award: 68,700 shares

Grant/Award 2 txns

Insider Horn Margaret A

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	47,600	$0.00	$0.00
Grant/Award	Common Stock	21,100	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 47,600 contracts (Direct); Common Stock — 162,153 shares (Direct)

Footnotes (2)

1. F1. Includes 82,326 restricted stock units.
2. F2. One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from March 1, 2026 (the "Vesting Commencement Date"), so that 100% of the shares subject to the option will be fully vested and exercisable as of the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did RVMD COO Margaret Horn report on this Form 4?

Margaret Horn reported receiving two equity awards, not open-market trades. She was granted a stock option for 47,600 shares and a separate award of 21,100 shares of common stock as part of her compensation, all held as direct ownership.

How many RVMD common shares does Margaret Horn own after these awards?

After these awards, Margaret Horn reported beneficial ownership of 162,153 shares of RVMD common stock. This total includes 21,100 newly granted common shares and 82,326 restricted stock units, which may convert into shares as they vest over time.

What are the terms of Margaret Horn’s new RVMD stock option grant?

The stock option covers 47,600 RVMD shares and vests monthly. One forty-eighth of the shares vests on each monthly anniversary of March 1, 2026, with full vesting after four years, provided she continues serving the company through each vesting date.

Does the RVMD Form 4 show Margaret Horn buying or selling shares in the market?

The filing shows equity awards classified as grants, not market purchases or sales. Both the 47,600-share option and 21,100-share common stock award are labeled as acquisitions by grant or award, reflecting compensation rather than discretionary trading activity in RVMD shares.

What restricted stock units are included in Margaret Horn’s RVMD holdings?

Her reported total includes 82,326 restricted stock units. These RSUs represent the right to receive RVMD common shares in the future, typically subject to vesting conditions such as continued employment, and are counted within her disclosed beneficial ownership in the filing.

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

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Accepted by SEC EDGAR 03/03/2026 - 09:08 PM EST Learn about SEC filing dates

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
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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^*

Horn Margaret A

(Last) (First) (Middle)

C/O REVOLUTION MEDICINES, INC.

700 SAGINAW DRIVE

(Street)

REDWOOD CITY CA 94063

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Revolution Medicines, Inc. [ RVMD ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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

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

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

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	03/01/2026		A		21,100	A	$0	162,153(1)	D

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
Stock Option (Right to Buy)	$102.02	03/01/2026		A		47,600		(2)	02/28/2036	Common Stock	47,600	$0	47,600	D

Explanation of Responses:

1. Includes 82,326 restricted stock units.

2. One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from March 1, 2026 (the "Vesting Commencement Date"), so that 100% of the shares subject to the option will be fully vested and exercisable as of the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.

	/s/ Jack Anders, as Attorney-in-fact for Margaret Horn	03/03/2026
	** 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.
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