Schedule 13G: Logos Global Reports 15.1M Shares of ERAS (5.3%)

Rhea-AI Filing Summary

Logos Global Management LP, Logos Global Management GP LLC and William Arsani jointly reported beneficial ownership of 15,100,000 shares of Erasca, Inc. common stock, representing 5.3% of the outstanding shares based on 283,287,382 shares outstanding as of May 6, 2025. Each reporting person disclaims beneficial ownership except for pecuniary interest and reports shared voting and dispositive power over the 15,100,000 shares with no sole voting or dispositive power. The statement is filed on Schedule 13G, indicating a passive investment intent.

Positive

• Material ownership disclosed: 15,100,000 shares representing 5.3% of common stock
• Passive intent declared: Filed on Schedule 13G with certification that holdings are not for control purposes
• Shared voting and dispositive power identified: Clear attribution of voting/dispositive authority among reporting persons

Negative

• None.

Insights

Financial Analyst

TL;DR: A passive holder disclosed a material minority stake of 5.3%, which may be relevant to shareholder vote dynamics but signals no control intent.

The filing shows Logos Global and related entities hold 15.1 million shares, equal to 5.3% of Erasca's outstanding stock. Filing on Schedule 13G and the certification language indicate the position is held in the ordinary course and not to influence control. For investors this is a material ownership disclosure but not a change-in-control signal; monitor future amendments for any shift to active positioning.

Corporate Governance Expert

TL;DR: Shared voting power over 5.3% is material for governance but the 13G filing reflects passive intent rather than an activist posture.

The report attributes shared voting and dispositive power to Logos Global, Logos Global GP and William Arsani, and includes a joint filing agreement. While 5.3% can influence close votes or proposals, the explicit disclaimer of group status and the Schedule 13G classification indicate no current attempt to solicit control. Boards and governance teams should note the ownership and expect routine engagement unless future filings indicate a change.

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

1

Names of Reporting Persons

Logos Global Management LP

2

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

(a)
(b)

3

Sec Use Only

4

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

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,100,000.00

10

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

11

Percent of class represented by amount in row (9)

5.3 %

12

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

1

Names of Reporting Persons

Logos Global Management GP LLC

2

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

(a)
(b)

3

Sec Use Only

4

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

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,100,000.00

10

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

11

Percent of class represented by amount in row (9)

5.3 %

12

Type of Reporting Person (See Instructions)

HC, OO

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

1

Names of Reporting Persons

Arsani William

2

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

(a)
(b)

3

Sec Use Only

4

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

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,100,000.00

10

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

11

Percent of class represented by amount in row (9)

5.3 %

12

Type of Reporting Person (See Instructions)

HC, IN

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

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

FAQ

What stake in Erasca (ERAS) did Logos Global report?

The filing reports 15,100,000 shares, representing 5.3% of Erasca's common stock based on 283,287,382 shares outstanding.

Was the filing made on Schedule 13G or 13D for ERAS?

The filing was made on Schedule 13G, indicating a passive investment disclosure rather than an active change-of-control intent.

What voting power does Logos Global have over the reported shares?

The reporting persons state 0 sole voting power and 15,100,000 shared voting power for the disclosed shares.

Who are the reporting persons in this Schedule 13G for ERAS?

The reporting persons are Logos Global Management LP, Logos Global Management GP LLC, and William Arsani.

Does the filing indicate the holders are acting as a group?

The filing states the reporting persons are filing jointly but expressly disclaim membership in a group.