Sec Form 4 Filing - Tribeca Strategic Partners Holdco LLC @ Tribeca Strategic Acquisition Corp. - 2026-06-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Tribeca Strategic Partners Holdco LLC 2. Issuer Name and Ticker or Trading Symbol Tribeca Strategic Acquisition Corp. [ BID] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1301 AVENUE OF THE AMERICAS 6TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 06/01/2026 (Street) NEW YORK, NY10019 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A ordinary shares 06/01/2026 P 330,000 ( 1 ) A $ 10 330,000 D ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Rights to receive Class A ordinary shares ( 3 ) 06/01/2026 P 330,000 ( 3 ) ( 3 ) ( 3 ) Class A Ordinary Shares 33,000 ( 3 ) ( 3 ) 330,000 D ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Tribeca Strategic Partners Holdco LLC 1301 AVENUE OF THE AMERICAS 6TH FLOOR NEW YORK, NY10019 X Tribeca Strategic Partners LLC 1301 AVENUE OF THE AMERICAS 6TH FLOOR NEW YORK, NY10019 X Ramdeen Timothy R. 1301 AVENUE OF THE AMERICAS 6TH FLOOR NEW YORK, NY10019 X X Chairman, CEO Gill Sukhvinder 1301 AVENUE OF THE AMERICAS 6TH FLOOR NEW YORK, NY10019 X X COO. CFO Signatures /s/ Timothy R. Ramdeen, Managing Member of Tribeca Strategic Partners LLC, Managing Member of Tribeca Strategic Partners Holdco LLC 06/02/2026 Signature of Reporting Person Date /s/ Timothy R. Ramdeen, Managing Member of Tribeca Strategic Partners LLC 06/02/2026 Signature of Reporting Person Date /s/ Timothy R. Ramdeen 06/02/2026 Signature of Reporting Person Date /s/ Sukhvinder Gill 06/02/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects the 330,000 Class A ordinary shares of Tribeca Strategic Acquisition Corp. (the "Issuer") that are included in the 330,000 private placement units of the Issuer purchased by Tribeca Strategic Partners Holdco, LLC ("Sponsor"). Each private placement unit was purchased for $10 per unit and consists of one Class A ordinary share and one right to receive one-tenth (1/10) of one Class A ordinary share upon consummation of the Issuer's initial business combination. ( 2 )The managing member of the Sponsor is Tribeca Strategic Partners, LLC. Timothy R. Ramdeen, who is the Chairman and Chief Executive Officer of the Issuer, and Sukhvinder Gill, who is the Chief Operating Officer, Chief Financial Officer, and Director of the Issuer, are the managing members of Tribeca Strategic Partners, LLC and hold voting and investment discretion with respect to the securities held of record by the Sponsor reported herein. As such, Messrs. Ramdeen and Gill may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Messrs. Ramdeen and Gill disclaim any beneficial ownership except to the extent of their pecuniary interest therein. ( 3 )Represents the 33,000 Class A ordinary shares that may be acquired by Sponsor upon the conversion of 330,000 rights included in the Sponsor's private placement units upon consummation of the Issuer's initial business combination. As described in the Registration Statement on Form S-1, as amended (File No. 333-291431) under the heading "Description of Securities--Rights," each right will automatically convert into one-tenth (1/10) of one Class A ordinary share upon consummation of the Issuer's initial business combination, subject to certain adjustments described therein. No fractional Class A ordinary shares will be issued upon conversion of such rights.

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 4(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.