Harraden Group Reports 5.15% Stake in ClearThink 1

ClearThink 1 Acquisition Corp. ownership filing: Harraden-affiliated entities report beneficial ownership of 659,832 shares of Class A Common Stock, representing 5.15% as of 02/24/2026.

Accepted by SEC EDGAR 03/03/2026 - 06:00 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

ClearThink 1 Acquisition Corp. ownership filing: Harraden-affiliated entities report beneficial ownership of 659,832 shares of Class A Common Stock, representing 5.15% as of 02/24/2026.

The filing states the reported shares carry shared voting and shared dispositive power of 659,832 shares. The statement is filed on behalf of Harraden Circle Investments, LLC; Harraden Circle Investors GP, LP; Harraden Circle Investors GP, LLC; Harraden Circle Investors, LP; Harraden Circle Special Opportunities, LP; Harraden Circle Strategic Investments, LP; Harraden Circle Concentrated, LP; and Frederick V. Fortmiller, Jr., who may be deemed to indirectly beneficially own the reported shares.

Insights

SEC Filings & Governance Analyst

Harraden group reports a 5.15% stake in ClearThink 1 Acquisition Corp., with shared voting and dispositive power.

Harraden-affiliated entities together hold 659,832 Class A shares as reported, which the filing ties to investment funds and their adviser structure. The filing attributes indirect ownership to the adviser and its managing member, reflecting typical fund/manager disclosure relationships.

Ownership is presented as shared voting and dispositive power; the filing is dated 03/03/2026 (signatures) and references the position as of 02/24/2026. Subsequent filings would disclose any change in percentage or conversion of holdings.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does Harraden report in CTAAU?

Harraden-affiliated entities report beneficial ownership of 659,832 Class A shares, equal to 5.15% of the class, as of 02/24/2026. This figure is shown in Item 4(a) and Item 4(b) of the filing.

Who filed the Schedule 13G for CTAAU?

The filing is submitted on behalf of Harraden entities and Frederick V. Fortmiller, Jr.; the filing lists Harraden Adviser, Harraden GP, Harraden LLC, multiple Harraden funds, and Mr. Fortmiller as reporting persons.

What voting and dispositive powers are reported?

The filing discloses shared voting power of 659,832 shares and shared dispositive power of 659,832, with no sole voting or dispositive power listed in Item 4(c)(i)-(iv).

Does the filing indicate direct or indirect ownership?

The filing states the shares are directly beneficially owned by the Harraden funds, and that Harraden GP, Harraden LLC, the Harraden Adviser, and Frederick V. Fortmiller, Jr. may be deemed to indirectly beneficially own those shares due to their roles.

What dates appear in the filing for CTAAU disclosure?

The ownership position is referenced as of 02/24/2026 on the cover line, and the signatures on the filing are dated 03/03/2026, as shown on the signature block.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

ClearThink 1 Acquisition Corp.

(Name of Issuer)

Class A Common Stock

(Title of Class of Securities)

02/24/2026

(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):

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 659,832.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 659,832.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

659,832.00

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)

5.15 %

12

Type of Reporting Person (See Instructions)

OO, HC, IA

SCHEDULE 13G

CUSIP Number(s):

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 659,832.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 659,832.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

659,832.00

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)

5.15 %

12

Type of Reporting Person (See Instructions)

PN, HC

SCHEDULE 13G

CUSIP Number(s):

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 659,832.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 659,832.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

659,832.00

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)

5.15 %

12

Type of Reporting Person (See Instructions)

OO, HC

SCHEDULE 13G

CUSIP Number(s):

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 409,237.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 409,237.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

409,237.00

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)

3.19 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s):

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 141,522.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 141,522.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

141,522.00

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)

1.10 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s):

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 109,073.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 109,073.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

109,073.00

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)

0.85 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s):

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 Number(s):

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 659,832.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 659,832.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

659,832.00

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)

5.15 %

12

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ClearThink 1 Acquisition Corp.
(b)	Address of issuer's principal executive offices: 150 E. Palmetto Park Road, Suite 202, Boca Raton, Florida 33432
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: 885 Third Avenue, Suite 2600B, New York, NY 10022
(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.: G2294A127
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: 659,832
(b)	Percent of class: 5.15 %
(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: 659,832
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 659,832
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.
	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:	03/03/2026

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:	03/03/2026

Harraden Circle Investors GP, LLC

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member
Date:	03/03/2026

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:	03/03/2026

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:	03/03/2026

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:	03/03/2026

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:	03/03/2026

Frederick V. Fortmiller, Jr.

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr.
Date:	03/03/2026