[SCHEDULE 13G] GSR III Acquisition Corp. SEC Filing

Rhea-AI Filing Summary

Harraden Circle and affiliated entities disclose ownership of Class A common stock of GSR III Acquisition Corp. The filing reports an aggregate beneficial ownership of 1,231,259 shares, representing 5.26% of the class, with shared voting and dispositive power over those shares. Holdings are reported across underlying funds: Harraden Circle Investors, LP (676,832 shares; 2.89%), Harraden Circle Special Opportunities, LP (320,000 shares; 1.37%), and Harraden Circle Strategic Investments, LP (234,427 shares; 1.00%). The statement identifies Freder ick V. Fortmiller, Jr. as managing member of the adviser and related GP entities and includes a certification that the securities were not acquired to influence control of the issuer. The issuer is GSR III Acquisition Corp., with principal executive offices listed in Austin, TX.

Positive

• Aggregate disclosure of 1,231,259 shares (5.26%) provides clear, material ownership transparency
• Detailed breakdown of holdings by underlying funds with exact share counts and percentages
• Identification of control chain (GP, adviser, managing member) improves governance transparency
• Certification that holdings were not acquired to influence control, consistent with Schedule 13G treatment

Negative

• None.

Insights

Securities Analyst

TL;DR: Harraden-affiliated entities report a disclosed 5.26% aggregate stake in GSR III, signaling a notable passive ownership position.

The Schedule 13G shows an aggregate beneficial ownership of 1,231,259 shares (5.26%) held with shared voting and dispositive power across multiple Harraden funds. The filing lists precise share counts by fund and names the investment adviser/GP structure and the managing member, improving transparency about who controls voting decisions. Item 10 includes a certification that the holdings were not acquired to effect control, consistent with Schedule 13G treatment. For investors, a >5% disclosure is material for ownership transparency but does not by itself indicate any change in corporate control or strategy.

Corporate Governance Expert

TL;DR: Disclosure clarifies beneficial ownership and control chain; no indication of activist intent per filer certification.

The filing identifies the chain from limited partnerships to GP and adviser entities and names Frederick V. Fortmiller, Jr. as the managing member signing for each reporting person. This satisfies governance disclosure norms by linking beneficial ownership to decision-making persons. The explicit statement that the securities were not acquired to influence control aligns the filing with passive-investor treatment under Schedule 13G. The filing date and signatures are present for record completeness.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

GSR III Acquisition Corp.

(Name of Issuer)

Class A Common Stock

(Title of Class of Securities)

G4R103107

(CUSIP Number)

09/10/2025

(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. G4R103107

1

Names of Reporting Persons

Harraden Circle Investments, 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 1,231,259.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,231,259.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,231,259.00

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)

5.26 %

12

Type of Reporting Person (See Instructions)

OO, HC, IA

SCHEDULE 13G

CUSIP No. G4R103107

1

Names of Reporting Persons

Harraden Circle Investors GP, 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 1,231,259.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,231,259.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,231,259.00

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)

5.26 %

12

Type of Reporting Person (See Instructions)

PN, HC

SCHEDULE 13G

CUSIP No. G4R103107

1

Names of Reporting Persons

Harraden Circle Investors 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 1,231,259.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,231,259.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,231,259.00

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)

5.26 %

12

Type of Reporting Person (See Instructions)

OO, HC

SCHEDULE 13G

CUSIP No. G4R103107

1

Names of Reporting Persons

Harraden Circle Investors, 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 676,832.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 676,832.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

676,832.00

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)

2.89 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. G4R103107

1

Names of Reporting Persons

Harraden Circle Special Opportunities, 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 320,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 320,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

320,000.00

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)

1.37 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. G4R103107

1

Names of Reporting Persons

Harraden Circle Strategic Investments, 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 234,427.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 234,427.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

234,427.00

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)

1.00 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. G4R103107

1

Names of Reporting Persons

Harraden Circle Concentrated, 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 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

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)

0 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. G4R103107

1

Names of Reporting Persons

Frederick V. Fortmiller, Jr.

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 1,231,259.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,231,259.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,231,259.00

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)

5.26 %

12

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: GSR III Acquisition Corp.
(b)	Address of issuer's principal executive offices: 5900 Balcones Drive, Suite 100 Austin, TX 78731
Item 2.
(a)	Name of person filing: This Statement is filed on behalf of the following persons (collectively, the "Reporting Persons"): i) Harraden Circle Investments, LLC ("Harraden Adviser"); ii) Harraden Circle Investors GP, LP ("Harraden GP"); iii) Harraden Circle Investors GP, LLC ("Harraden LLC"); iv) Harraden Circle Investors, LP ("Harraden Fund"); v) Harraden Circle Special Opportunities, LP ("Harraden Special Op Fund"); vi) Harraden Circle Strategic Investments, LP ("Harraden Strategic Fund"); vii) Harraden Circle Concentrated, LP ("Harraden Concentrated Fund"); and viii) Frederick V. Fortmiller, Jr. ("Mr. Fortmiller") This Statement relates to Shares (as defined herein) directly beneficially owned by Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund. Harraden GP is the general partner to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund, and Harraden LLC is the general partner of Harraden GP. Harraden Adviser serves as investment manager to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund, and other high net worth individuals. Mr. Fortmiller is the managing member of each of Harraden LLC and Harraden Adviser. In such capacities, each of Harraden GP, Harraden LLC, Harraden Adviser and Mr. Fortmiller may be deemed to indirectly beneficially own the Shares reported herein directly beneficially owned by Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund.
(b)	Address or principal business office or, if none, residence: 299 Park Avenue, 21st Floor, New York, NY 10171
(c)	Citizenship: Each of Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund, and Harraden GP is a Delaware limited partnership. Each of Harraden LLC and Harraden Adviser is a Delaware limited liability company. Mr. Fortmiller is a citizen of the United States of America.
(d)	Title of class of securities: Class A Common Stock
(e)	CUSIP No.: G4R103107
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: 1,231,259
(b)	Percent of class: 5.26 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 1,231,259
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,231,259
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.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See disclosure in Item 2 hereof.
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.

Harraden Circle Investments, LLC

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member
Date:	09/15/2025

Harraden Circle Investors GP, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner
Date:	09/15/2025

Harraden Circle Investors GP, LLC

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member
Date:	09/15/2025

Harraden Circle Investors, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:	09/15/2025

Harraden Circle Special Opportunities, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:	09/15/2025

Harraden Circle Strategic Investments, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:	09/15/2025

Harraden Circle Concentrated, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:	09/15/2025

Frederick V. Fortmiller, Jr.

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr.
Date:	09/15/2025

FAQ

How many shares of GSR III does Harraden Circle report owning (GSRT)?

The filing reports an aggregate beneficial ownership of 1,231,259 shares, representing 5.26% of Class A common stock.

Which Harraden funds hold the GSR III shares and how many does each hold?

Harraden Circle Investors, LP holds 676,832 shares (2.89%), Harraden Circle Special Opportunities, LP holds 320,000 shares (1.37%), and Harraden Circle Strategic Investments, LP holds 234,427 shares (1.00%).

Who is the individual identified as controlling or signing for the Harraden entities?

Frederick V. Fortmiller, Jr. is identified as the managing member of the adviser and GP entities and signed the Schedule 13G on behalf of the reporting persons.

Does the filing state the shares were acquired to influence control of GSR III?

No. Item 10 contains a certification that, to the filer’s knowledge, the securities were not acquired and are not held to change or influence control of the issuer.

What issuer and address are listed in the filing?

Issuer: GSR III Acquisition Corp. Principal executive offices: 5900 Balcones Drive, Suite 100, Austin, TX 78731.