Ebun Garner - 01 Apr 2026 Form 4 Insider Report for Erasca, Inc. (ERAS)

Reporting relationship: Chief Legal Officer
Issuer ticker: ERAS
Reported as of: 01 Apr 2026
Net transaction value: -$1,312,000
SEC form: 4
Accepted by SEC: 03 Apr 2026, 09:00:03 UTC
Prior SEC filing: 30 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Ebun Garner

Key filing fact

Ebun Garner filed Form 4 for Erasca, Inc. (ERAS) on 03 Apr 2026.

Key facts

This page summarizes Ebun Garner's Form 4 filing for Erasca, Inc. (ERAS).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Apr 2026, 09:00.

Change

Previous filing in this sequence was filed on 30 Jan 2026.
Current net transaction value: -$1,312,000.

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.

View source filing

Reporting Owners (1)

CIK 0001364554 Primary reporting owner

Garner Ebun

Relationship: Chief Legal Officer
Address: C/O ERASCA, INC., 3115 MERRYFIELD ROW, SUITE 300, SAN DIEGO
Signature: /s/ Ebun Garner
Signature date: 03 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ERAS transaction

Common Stock

Options Exercise

Transaction value
Shares: +80,000
Change %: +319%
Price: $1.70^*
Shares after: 105,076
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

ERAS transaction

Common Stock

Sale

Transaction value: $1,312,000
Shares: -80,000
Change %: -76%
Price: $16.40
Shares after: 25,076
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ERAS transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
Shares: -80,000
Change %: -22%
Price: $0.000000^*
Shares after: 280,000
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 80,000
Exercise price: $1.70
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

The exercise and sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on June 30, 2024.

Footnote F2

This represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $16.11 to $16.58. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Footnote F3

1/48th of the shares subject to the option vest monthly, with vesting starting on February 1, 2024, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.