Margaret A Horn Form 3 Revolution Medicines / Margaret A Horn ownership change

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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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. Date of Event Requiring Statement (Month/Day/Year)
02/12/2020

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
See Remarks

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	123,302(1)	I	Trust(2)
Common Stock	10,454(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(3)	02/11/2028	Common Stock	13,441(1)	0.54(1)	D
Stock Option (Right to Buy)	(4)	08/08/2029	Common Stock	224,800(1)	4.73(1)	D
Stock Option (Right to Buy)	(5)	03/12/2029	Common Stock	102,751(1)	4.09(1)	D
Stock Option (Right to Buy)	(6)	03/12/2029	Common Stock	123,302(1)	4.09(1)	D

Explanation of Responses:

1. Reflects a 1-for-4.8661 reverse stock split of the Issuer's outstanding securities effected prior to the effectiveness of the Issuer's S-1 Registration Statement.

2. Held by Margaret A. Horn Revocable Living Trust.

3. This option is early exercisable. One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from March 1, 2018 (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.

4. This option is early exercisable. One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from August 9, 2019 (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.

5. This option is early exercisable. One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from January 1, 2018 (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.

6. This option is early exercisable. One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from March 13, 2019 (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.

Remarks:

Chief Operating Officer and General Counsel

	/s/ Jack Anders, as Attorney-in-fact for Margaret Horn	02/12/2020
	** 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 5 (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.