Jonathan E. Lim - 29 Jan 2026 Form 4 Insider Report for Erasca, Inc. (ERAS)

Role: Chairman & CEO, Director, 10%+ Owner
Signature: /s/ Ebun Garner, Attorney-in-fact
Issuer symbol: ERAS
Transactions as of: 29 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 30 Jan 2026, 09:05:03 UTC
Previous filing: 24 Sep 2025
SEC: View on sec.gov

Key filing fact

Jonathan E. Lim filed Form 4 for Erasca, Inc. (ERAS) on 30 Jan 2026.

Key facts

This page summarizes Jonathan E. Lim's Form 4 filing for Erasca, Inc. (ERAS).
1 reported transaction and 1 derivative row are listed below.
Filing timestamp: 30 Jan 2026, 09:05.

Change

Previous filing in this sequence was filed on 24 Sep 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

CIK 0001283290 Primary reporting owner

Lim Jonathan E

Relationship: Chairman & CEO, Director, 10%+ Owner
Address: C/O ERASCA, INC., 3115 MERRYFIELD ROW, SUITE 300, SAN DIEGO
Signature: /s/ Ebun Garner, Attorney-in-fact
Signature date: 30 Jan 2026

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

ERAS transaction Derivative

Stock option (right to buy)

Award

Transaction value: $0
Shares: +2,000,000
Change %
Price: $0.000000
Shares after: 2,000,000
Date: 29 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,000,000
Exercise price: $10.31
Footnotes: F1

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

Explanation of Responses:

Id	Content
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.

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