SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Gossamer Bio, Inc.

(Name of Issuer)

Common Stock, $0.0001 par value per share

(Title of Class of Securities)

38341P102

(CUSIP Number)

06/04/2026

(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 Number(s):

38341P102

Names of Reporting Persons

Context Capital Management, 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 48,835,788.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 48,835,788.00

Aggregate Amount Beneficially Owned by Each Reporting Person

48,835,788.00

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)

9.9 %

Type of Reporting Person (See Instructions)

IA, OO

SCHEDULE 13G

CUSIP Number(s):

38341P102

Names of Reporting Persons

Michael S. Rosen

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 48,835,788.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 48,835,788.00

Aggregate Amount Beneficially Owned by Each Reporting Person

48,835,788.00

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)

9.9 %

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

CUSIP Number(s):

38341P102

Names of Reporting Persons

William D. Fertig

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 48,835,788.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 48,835,788.00

Aggregate Amount Beneficially Owned by Each Reporting Person

48,835,788.00

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)

9.9 %

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

CUSIP Number(s):

38341P102

Names of Reporting Persons

Charles E. Carnegie

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 48,835,788.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 48,835,788.00

Aggregate Amount Beneficially Owned by Each Reporting Person

48,835,788.00

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)

9.9 %

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

CUSIP Number(s):

38341P102

Names of Reporting Persons

Context Partners Master Fund, L.P.

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

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 48,835,788.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 48,835,788.00

Aggregate Amount Beneficially Owned by Each Reporting Person

48,835,788.00

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)

9.9 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

Gossamer Bio, Inc.

(b)

Address of issuer's principal executive offices:

3115 MERRYFIELD ROW, SUITE 120, SAN DIEGO, CALIFORNIA, 92121.

Item 2.

(a)

Name of person filing:

Context Capital Management, LLC ("LLC") Michael S. Rosen ("Rosen") William D. Fertig ("Fertig") Charles E. Carnegie ("Carnegie") Context Partners Master Fund, L.P. ("LP") LLC is the general partner and investment adviser of LP. Rosen, Fertig and Carnegie are the control persons of LLC. The reporting persons are filing this Schedule 13G jointly, but not as members of a group, and each disclaims membership in a group. Each reporting person also disclaims beneficial ownership of the securities reported in this Schedule 13G, except to the extent of that person?s pecuniary interest therein. In addition, the filing of this Schedule 13G on behalf of LP should not be construed as an admission that it is, and it disclaims that it is, a beneficial owner, as defined in Rule 13d-3 under the Act, of any of the securities covered by this Schedule 13G.

(b)

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

Context Capital Management, LLC 7724 Girard Avenue Suite 300 La Jolla, CA 92037

(c)

Citizenship:

See cover page for each reporting person.

(d)

Title of class of securities:

Common Stock, $0.0001 par value per share

(e)

CUSIP Number(s):

38341P102

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:

See items 5-9 and 11 of the cover page for each reporting person.

(b)

Percent of class:

See items 5-9 and 11 of the cover page for each reporting person. The shares beneficially owned by the Reporting Persons reported in this Schedule 13G consists of 48,835,788 shares held by the Reporting Persons. The percentages reported in the Schedule 13G are based on 488,846,722 shares outstanding as of June 5, 2026, as reported by the Issuer (254,150,441 shares issued on June 4, 2026, as reported on the 8-K reported on June 3, 2026, plus the 234,696,281 shares outstanding previously reported on the 10-Q as of the quarterly period ended March 31, 2026). To clarify, the Form line 11 is limited to displaying only the tenth decimal place, but the ownership limitation prescribed in the agreement is 9.99%.

(c)

Number of shares as to which the person has:

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

See items 5-9 and 11 of the cover page for each reporting person.

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

See items 5-9 and 11 of the cover page for each reporting person.

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

See items 5-9 and 11 of the cover page for each reporting person.

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

See items 5-9 and 11 of the cover page for each reporting person.

Item 5.

Ownership of 5 Percent or Less of a Class.

Not Applicable

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 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.

Context Capital Management, LLC

Signature:	Michael S. Rosen
Name/Title:	CEO
Date:	06/08/2026

Michael S. Rosen

Signature:	Michael S. Rosen
Name/Title:	CEO
Date:	06/08/2026

William D. Fertig

Signature:	William D. Fertig
Name/Title:	Chairman
Date:	06/08/2026

Charles E. Carnegie

Signature:	Charles E. Carnegie
Name/Title:	CIO
Date:	06/08/2026

Context Partners Master Fund, L.P.

Signature:	Michael S. Rosen
Name/Title:	CEO
Date:	06/08/2026

Exhibit Information

Exhibit 1 - Joint Filing Statement

SEC Form SCHEDULE 13G filed by Gossamer Bio Inc.