ERAS Form 144 Discloses 8,333-Share Sale, Recent Monthly Dispositions

Rhea-AI Filing Summary

Erasca, Inc. (ERAS) Form 144 shows a proposed sale of 8,333 common shares through Merrill Lynch (Rancho Santa Fe, CA) with an approximate sale date of 09/15/2025 and an aggregate market value reported as 12,942.2. The shares were acquired by donation on 07/20/2021 from Erasca, Inc.; the acquisition table lists 10,193,557 shares as donated on that date. The filing also discloses three prior sales by the Erasca Foundation in the past three months: 8,333 shares on 08/15/2025 (gross proceeds 12,834.87), 8,333 on 07/15/2025 (12,094.60), and 8,333 on 06/16/2025 (12,090.87). The filer represents no undisclosed material information is known.

Positive

• Required disclosure elements are present: broker, share count, acquisition date/method, and recent sales history
• Multiple recent sales are transparently reported with dates and gross proceeds

Negative

• Ongoing disposals by the Erasca Foundation (three separate 8,333-share sales in June–August 2025) could increase share supply
• Signature/executor details and explicit signer identity are not visible in the provided content

Insights

Securities Analyst

TL;DR: Routine Form 144 disclosing modest block sales by a foundation; continuing monthly disposals are documented.

The filing documents a proposed sale of 8,333 common shares via Merrill Lynch with an approximate sale date of 09/15/2025 and lists three recent, similar dispositions in June, July, and August 2025, each for 8,333 shares and gross proceeds in the ~12,000–12,800 range. The shares were originally acquired by donation on 07/20/2021, with the acquisition table showing 10,193,557 donated shares. From an equity-supply and shareholder base perspective, the filings indicate continuing liquidation activity by the Erasca Foundation, but the document contains no company financials, insider identities beyond the foundation, or stated intention that would allow valuation impact assessment.

Corporate Governance Expert

TL;DR: Disclosure appears complete for Rule 144: transaction details, acquisition history, and recent sales are provided.

The Form 144 includes required elements: broker name and address (Merrill Lynch, Rancho Santa Fe, CA), number of shares to be sold (8,333), acquisition method (donation), and prior sales during the last three months with dates and gross proceeds. The signer asserts no undisclosed material adverse information. The form does not include signatures or identify the individual signer in the provided text, so confirmation of execution is not visible in the supplied content.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Merrill Lynch 6002 El Tordo PO Box 7297 Rancho Santa Fe CA 92067	8333	12942.2	283670139	09/15/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/20/2021	Donation	Erasca, Inc			10193557	07/20/2021	Donation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Erasca Foundation 3115 MERRYFIELD ROW STE 300 San Diego CA 92121	Common	08/15/2025	8333	12834.87
Erasca Foundation 3115 MERRYFIELD ROW STE 300 San Diego CA 92121	Common	07/15/2025	8333	12094.6
Erasca Foundation 3115 MERRYFIELD ROW STE 300 San Diego CA 92121	Common	06/16/2025	8333	12090.87

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Erasca's Form 144 (ERAS) propose to sell?

The filing proposes sale of 8,333 common shares via Merrill Lynch with an approximate sale date of 09/15/2025.

Who is the broker handling the proposed sale in the Form 144?

The broker listed is Merrill Lynch at the address provided (6002 El Tordo PO Box 7297 Rancho Santa Fe CA 92067).

When were the shares acquired that are being sold under this Form 144?

The shares were acquired by donation on 07/20/2021, per the acquisition table.

Has the filer sold similar shares recently?

Yes. The filing lists three sales by Erasca Foundation of 8,333 shares each on 06/16/2025, 07/15/2025, and 08/15/2025 with gross proceeds of 12,090.87, 12,094.60, and 12,834.87 respectively.

How many shares were recorded as donated in the acquisition table?

The acquisition table shows 10,193,557 shares acquired by donation on 07/20/2021 from Erasca, Inc.

Does the Form 144 state the filer knows any undisclosed material information?

By signing, the filer represents they do not know any material adverse information about the issuer that has not been publicly disclosed.