Sec Form 13G Filing - Logos Global Management LP @ Erasca, Inc.

Insider filing report for Changes in Beneficial Ownership

Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Erasca, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

29479A108

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No.

29479A108

Names of Reporting Persons

Logos Global Management LP

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 15,100,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 15,100,000.00

Aggregate Amount Beneficially Owned by Each Reporting Person

15,100,000.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

5.3 %

Type of Reporting Person (See Instructions)

IA, PN

Comment for Type of Reporting Person: Percentage calculated based on 283,287,382 shares of Common Stock outstanding on May 6, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended March 31, 2025.

SCHEDULE 13G

CUSIP No.

29479A108

Names of Reporting Persons

Logos Global Management GP LLC

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 15,100,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 15,100,000.00

Aggregate Amount Beneficially Owned by Each Reporting Person

15,100,000.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

5.3 %

Type of Reporting Person (See Instructions)

HC, OO

SCHEDULE 13G

CUSIP No.

29479A108

Names of Reporting Persons

Arsani William

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 15,100,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 15,100,000.00

Aggregate Amount Beneficially Owned by Each Reporting Person

15,100,000.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

5.3 %

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

Erasca, Inc.

(b)

Address of issuer's principal executive offices:

3115 Merryfield Row, Suite 300, San Diego, CA 92121

Item 2.

(a)

Name of person filing:

Logos Global Management LP ("Logos Global") Logos Global Management GP LLC ("Logos Global GP") Arsani William Logos Global is the investment adviser to investment funds. Logos Global GP is the general partner of Logos Global. Dr. William is a control person of Logos Global and Logos Global GP. The reporting persons are filing this statement jointly but not as members of a group, and they expressly disclaim membership in a group. Each reporting person disclaims beneficial ownership of Common Stock except to the extent of that person's pecuniary interest therein.

(b)

Address or principal business office or, if none, residence:

One Letterman Drive, Building C, Suite C3-350, San Francisco, California 94129

(c)

Citizenship:

See Item 4 of the cover sheet for each reporting person.

(d)

Title of class of securities:

Common Stock

(e)

CUSIP No.:

29479A108

Item 3.

If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b)

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d)

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)

An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f)

An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g)

A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h)

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:

(k)

Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

Item 4.

Ownership

(a)

Amount beneficially owned:

Logos Global: 15,100,000.00 Logos Global GP: 15,100,000.00 Arsani William: 15,000,000

(b)

Percent of class:

Logos Global: 5.3% Logos Global GP: 5.3% Arsani William: 5.3% %

(c)

Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote:

Logos Global: 0 Logos Global GP: 0 Arsani William: 0

(ii) Shared power to vote or to direct the vote:

Logos Global: 15,100,000.00 Logos Global GP: 15,100,000.00 Arsani William: 15,100,000.00

(iii) Sole power to dispose or to direct the disposition of:

Logos Global: 0 Logos Global GP: 0 Arsani William: 0

(iv) Shared power to dispose or to direct the disposition of:

Logos Global: 15,100,000.00 Logos Global GP: 15,100,000.00 Arsani William: 15,100,000.00

Item 5.

Ownership of 5 Percent or Less of a Class.

Item 6.

Ownership of more than 5 Percent on Behalf of Another Person.

Not Applicable

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Not Applicable

Item 8.

Identification and Classification of Members of the Group.

Not Applicable

Item 9.

Notice of Dissolution of Group.

Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Logos Global Management LP

Signature:	/s/ Arsani William
Name/Title:	Managing Partner
Date:	08/13/2025

Logos Global Management GP LLC

Signature:	/s/ Arsani William
Name/Title:	Managing Member
Date:	08/13/2025

Arsani William

Signature:	/s/ Arsani William
Name/Title:	Reporting person
Date:	08/13/2025

Comments accompanying signature: Exhibit 99 - Agreement Regarding Joint Filing of Statement on schedule 13D or 13G

primary_doc.xml

Sec Form 13G Filing - Logos Global Management LP filing for - 2025-08-14