Hunt Darwin joins Clearthink 1 Acquisition (CTAAU) as director with Form 3

Rhea-AI Filing Summary

Clearthink 1 Acquisition Corp. director Hunt Darwin has filed an initial Form 3, which serves as his first ownership report as an insider of the company. The filing shows no reportable share transactions and no derivative security positions in his name in this report.

Key Terms

Form 3, insider, derivative security positions

3 terms

Form 3 regulatory

"Hunt Darwin has filed an initial Form 3, which serves as his first ownership report"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

insider regulatory

"filed an initial Form 3, which serves as his first ownership report as an insider"

derivative security positions financial

"The filing shows no reportable share transactions and no derivative security positions"

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Hunt Darwin

(Last) (First) (Middle)

C/O CLEARTHINK 1 ACQUISITION CORP.

150 E. PALMETTO PARK ROAD, SUITE 202

(Street)

BOCA RATON, FLORIDA 33432

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
02/25/2026

3. Issuer Name and Ticker or Trading Symbol
Clearthink 1 Acquisition Corp. [ CTAA ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Darwin Hunt	04/15/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does Hunt Darwin's Form 3 filing for CTAAU show?

The Form 3 for Clearthink 1 Acquisition Corp. shows that director Hunt Darwin has filed his initial insider ownership report. It indicates no reported share transactions and no derivative security holdings for him in this filing.

Did Hunt Darwin buy or sell Clearthink 1 Acquisition (CTAAU) shares in this Form 3?

No. The Form 3 data for Clearthink 1 Acquisition Corp. lists zero buy transactions and zero sell transactions. It functions only as an initial ownership report without any reported trading activity.

Does the CTAAU Form 3 for Hunt Darwin include any stock options or other derivatives?

No. The filing’s derivative summary is empty and derivativeTransactionCount is zero. This means the Form 3 does not report any stock options, warrants, or other derivative securities for Hunt Darwin in this submission.

What insider role does Hunt Darwin report at Clearthink 1 Acquisition Corp. (CTAAU)?

Hunt Darwin is identified as a director of Clearthink 1 Acquisition Corp. in the Form 3. He is not listed as an officer and is not flagged as a ten percent owner in this ownership report.

Does Hunt Darwin’s Form 3 suggest any restructuring, gifts, or tax-related share movements in CTAAU?

No. The transaction summary shows zero restructuring, zero gifts, and zero tax-withholding share movements. The filing simply establishes Hunt Darwin’s status as a director without any related share transfers.