# EDGAR Filing Document

**Accession Number:** 0001761918
**File Stem:** 0001193125-26-187382
**Filing Date:** 2026-4
**Character Count:** 5597
**Document Hash:** 60a3454acd18b1fe32232845986025d6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-187382.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001193125-26-187382

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 9

**FILED AS OF DATE**: 20260428

**DATE AS OF CHANGE**: 20260428

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Erasca, Inc.
- **CENTRAL INDEX KEY:** 0001761918
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 831217027
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40602
- **FILM NUMBER:** 26908681

**BUSINESS ADDRESS:**
- **STREET 1:** 3115 MERRYFIELD ROW
- **STREET 2:** THIRD FLOOR
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** (858) 465-6511

**MAIL ADDRESS:**
- **STREET 1:** 3115 MERRYFIELD ROW
- **STREET 2:** THIRD FLOOR
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**SCHEDULE 14A** 

**Proxy Statement Pursuant to Section 14(a) of the** 

**Securities Exchange Act of 1934** 

**(Amendment No.)** 

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** 

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under §240.14a-12

**Erasca, Inc.** 

**(Name of Registrant as Specified In Its Charter)** 

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** 

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required

☐ Fee paid previously with preliminary materials

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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| <br> ![LOGO](g946335dsp1.jpg) <br> P.O. BOX 8016, CARY, NC 27512-9903<br>![LOGO](g9463353_new.jpg)  | ![LOGO](g9463351.jpg) |

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| <br>**Erasca, Inc.**<br>**Annual Meeting of Stockholders**<br>Friday, June 26, 2026 11:30 AM, Pacific Time<br>Annual Meeting to be held live via the internet - please visit www.proxydocs.com/ERAS for more details<br>**You must register to attend the meeting online and/or participate at www.proxydocs.com/ERAS**<br>**For a convenient way to view proxy materials, VOTE, and obtain directions to attend the meeting go to www.proxydocs.com/ERAS**<br>**To vote your proxy while visiting this site, you will need the 12 digit control number in the box below.**<br>This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. This is not a ballot. You cannot use this notice to vote your shares. We encourage you to access and review all of the important information contained in the proxy materials before voting.<br>Under United States Securities and Exchange Commission rules, proxy materials do not have to be delivered in paper. Proxy materials can be distributed by making them available on the internet.<br>If you want to receive a paper or e-mail copy of the proxy material, you must request one. There is no charge to you for requesting a copy. In order to receive a paper package in time for this year's meeting, you must make this request on or before June 15, 2026.<br>**SEE REVERSE FOR FULL AGENDA** | <br> ![LOGO](g946335g68v94.jpg)  | <br>**Meeting Materials:** Notice of Meeting and Proxy Statement & Annual Report or Form 10-K<br>**Important Notice Regarding the Availability of Proxy Materials for the Stockholders Meeting To Be Held On June 26, 2026 For Stockholders of record as of April 27, 2026**<br>**To order paper materials, use one of the following methods.**<br>![LOGO](g946335g17b06.jpg) <br> **Internet:**<br> **www.investorelections.com/ERAS**<br>![LOGO](g946335g11h62.jpg) <br> **Call:**<br> **1-866-648-8133**<br>![LOGO](g946335g79y79.jpg) <br> **Email:**<br> **paper@investorelections.com**<br>\* If requesting material by e-mail, please send a blank e-mail with the 12 digit control number (located below) in the subject line. No other requests, instructions OR other inquiries should be included with your e-mail requesting material.<br>![LOGO](g946335g22r37.jpg) <br> Have the 12 digit control number located in the box above available when you access the website and follow the instructions. |

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Copyright <sup>©</sup> 2026 BetaNXT, Inc. or its affiliates. All Rights Reserved

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|  ![LOGO](g946335dsp1.jpg)  | **Erasca, Inc. Annual Meeting of Stockholders** |

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**THE BOARD OF DIRECTORS RECOMMENDS A VOTE:** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**FOR** ON PROPOSALS 1 AND 2

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|  | <br> **PROPOSAL**<br>|
| 1.  | To elect three directors to serve as Class II directors for a three-year term expiring at the 2029 Annual Meeting of Stockholders and until their respective successors shall have been duly elected and qualified |
|  | <br> 1.01 Alexander W. Casdin |
|  | 1.02 Julie Hambleton, M.D. |
|  | 1.03 Michael D. Varney, Ph.D. |
| 2. | To ratify the appointment of KPMG LLP as our indpendent registered public accounting firm for the fiscal year ending December 31, 2026 |
| 3. | To transact such other business as may properly come before the Annual Meeting or any continuation, postponement or adjournment of the Annual Meeting |

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