David M. Chacko - 03 Feb 2025 Form 4 Insider Report for Erasca, Inc. (ERAS)

Role: CFO and CBO
Signature: /s/ Ebun Garner, Attorney-in-fact
Issuer symbol: ERAS
Transactions as of: 03 Feb 2025
Net transactions value: +$24,181
Form type: 4
Filing time: 05 Feb 2025, 09:24:43 UTC
Previous filing: 21 Jun 2024
Next filing: 30 Jan 2026
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ERAS	Common Stock	Other	$4,906	+3,137	+1.2%	$1.56	262,187	14 Jun 2024	Direct	F1, F2, F3
transaction	ERAS	Common Stock	Other	$19,275	+12,324	+4.9%	$1.56	262,187	13 Dec 2024	Direct	F1, F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ERAS	Stock option (right to buy)	Award	$0	+800,000		$0.000000	800,000	03 Feb 2025	Common Stock	800,000	$1.76	Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares purchased under the Company's 2021 Employee Stock Purchase Plan
F2	The purchase price was calculated in accordance with the issuer's 2021 Employee Stock Purchase Plan.
F3	Reflects all transactions reported under this report.
F4	1/48th of the shares subject to the option vest monthly, with vesting starting on February 1, 2025, subject to the Reporting Person's continuous service to the issuer on each such vesting date.