Erasca GC awarded 560,000 stock options at $10.31

Erasca, Inc. reported a stock option grant to its General Counsel and Corporate Secretary, Ebun Garner.

Rhea-AI Filing Summary

Erasca, Inc. reported a stock option grant to its General Counsel and Corporate Secretary, Ebun Garner. The option covers 560,000 shares of Erasca common stock at an exercise price of $10.31 per share and was granted on January 29, 2026.

According to the vesting terms, 1/48th of the shares subject to the option vest monthly on the 29th of each month (or the last day of February), beginning in February 2026, as long as Garner remains in continuous service with the company. After this grant, Garner beneficially owns 560,000 stock options directly.

Insider Trade Summary

Grant/Award: 560,000 shares

Grant/Award 1 txn

Insider Garner Ebun

Role General Counsel & Corp. Sec.

Type	Security	Shares	Price	Value
Grant/Award	Stock option (right to buy)	560,000	$0.00	$0.00

Holdings After Transaction: Stock option (right to buy) — 560,000 contracts (Direct)

Footnotes (1)

1. F1. 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.

FAQ

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

What insider transaction did Erasca (ERAS) report for January 29, 2026?

Erasca reported a grant of stock options to its General Counsel and Corporate Secretary, Ebun Garner, on January 29, 2026. The award covers 560,000 shares of common stock at a fixed exercise price, reflecting equity-based compensation tied to future service with the company.

How many Erasca (ERAS) shares are covered by Ebun Garner’s stock option grant?

The stock option granted to Ebun Garner covers 560,000 shares of Erasca common stock. These are derivative securities, giving the right to buy shares in the future at a preset exercise price, subject to the vesting schedule and continued service conditions disclosed in the filing footnote.

What is the exercise price of the Erasca (ERAS) stock options granted to Ebun Garner?

The stock option granted to Ebun Garner has an exercise price of $10.31 per share. This means Garner can purchase Erasca common stock at $10.31 for each option that vests and becomes exercisable, assuming continued service and satisfaction of the vesting conditions described.

How do Ebun Garner’s Erasca (ERAS) stock options vest over time?

The options vest in equal monthly installments. Specifically, 1/48th of the shares underlying the option vest each month on the 29th day (or the last day of February), starting in February 2026, provided Garner remains in continuous service with Erasca on each vesting date.

What is Ebun Garner’s derivative securities holding in Erasca (ERAS) after this transaction?

Following the reported grant, Ebun Garner beneficially owns 560,000 stock options directly. These options each relate to one share of Erasca common stock and are subject to the stated vesting schedule and the $10.31 per share exercise price disclosed in the Form 4 filing.

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

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Accepted by SEC EDGAR 01/30/2026 - 09:00 AM 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
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^*

Garner Ebun

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel & Corp. Sec.

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		560,000		(1)	01/29/2036	Common Stock	560,000	$0	560,000	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 Garner	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).
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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