Erasca (ERAS) director Michael Varney awarded 96,000 stock options

Rhea-AI Filing Summary

Erasca, Inc. director Michael David Varney received a stock option award reported as of January 29, 2026. The option covers 96,000 shares of common stock at an exercise price of $10.31 per share and is held directly.

According to the vesting terms, 1/48th of the option vests each month on the 29th day (or the last day of February), beginning in February 2026, so long as Varney continues providing service to Erasca on each vesting date.

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

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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^*

Varney Michael David

(Last) (First) (Middle)

C/O ERASCA, INC.

3115 MERRYFIELD ROW, SUITE 300

(Street)

SAN DIEGO CA 92121

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Erasca, Inc. [ ERAS ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/29/2026

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

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)	$10.31	01/29/2026		A		96,000		(1)	01/29/2036	Common Stock	96,000	$0	96,000	D

Explanation of Responses:

1. 1/48th of the shares subject to the option vest monthly on the 29th day of each month (or the last day of February), starting in February 2026, subject to the Reporting Person's continuous service to the issuer on each such vesting date.

	/s/ Ebun S. Garner, as Attorney-in-Fact	01/30/2026
	** 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).
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FAQ

What insider transaction did Erasca (ERAS) disclose for Michael David Varney?

Erasca reported that director Michael David Varney received a stock option for 96,000 shares of common stock. The option was granted on January 29, 2026, giving him the right to buy Erasca shares at an exercise price of $10.31 per share, subject to vesting.

What is the size and exercise price of Michael Varney’s Erasca stock option?

The stock option granted to Michael Varney covers 96,000 shares of Erasca common stock. It has an exercise price of $10.31 per share, meaning he can purchase shares at that price once portions of the option vest under the stated schedule.

How does Michael Varney’s Erasca stock option vest over time?

The option vests in equal monthly installments. Specifically, 1/48th of the 96,000 shares vests each month on the 29th day, or the last day of February, starting in February 2026, provided Varney continues his service with Erasca on each vesting date.

What is Michael Varney’s relationship to Erasca (ERAS)?

Michael David Varney is identified as a director of Erasca, Inc. in the filing. The Form 4 indicates the reported stock option is held directly by him, reflecting equity-based compensation tied to his ongoing service as a board member.

How many Erasca derivative securities does Michael Varney hold after this transaction?

Following the reported grant, Michael Varney beneficially owns 96,000 derivative securities in the form of stock options. These options each relate to one share of Erasca common stock and are subject to the four-year monthly vesting schedule described in the filing.