Sec Form 4 Filing - SEMLER ERIC @ FutureCrest Acquisition Corp. - 2025-09-29

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

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1. Name and Address of Reporting Person SEMLER ERIC 2. Issuer Name and Ticker or Trading Symbol FutureCrest Acquisition Corp. [ FCRS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O TCS CAPITAL ADVISORS, LLC, 152 WEST 57TH STREET, 27TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 09/29/2025 (Street) NEW YORK, NY10019 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 09/29/2025 P 500,000 A 500,000 I By: TCS Capital Advisors, LLC ( 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 Warrants ( 5 ) 09/29/2025 P 125,000 ( 3 ) ( 4 ) Class A Ordinary Shares 125,000 ( 1 ) 125,000 I By: TCS Capital Advisors, LLC ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SEMLER ERIC C/O TCS CAPITAL ADVISORS, LLC 152 WEST 57TH STREET, 27TH FLOOR NEW YORK, NY10019 X Signatures /s/ Eric Semler 09/30/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Reporting Person purchased 500,000 units at $10.00 per unit, each unit consisting of one Class A ordinary share and one-quarter of one redeemable warrant. ( 2 )Securities held directly by TCS Capital Advisors, LLC ("TCS Advisors"). TCS Capital Management, LLC ("TCS Management"), as the investment advisor of TCS Advisors, may be deemed to beneficially own the securities held directly by TCS Advisors. Mr. Semler, as the managing member of TCS Management, may be deemed to beneficially own the securities held directly by TCS Advisors. Mr. Semler disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, and this report shall not be deemed to be an admission that Mr. Semler is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. ( 3 )The Warrants will become exercisable 30 days after the completion of the Issuer's initial business combination. ( 4 )The Warrants will expire five years after the completion of the Issuer's business combination or earlier upon redemption or liquidation. ( 5 )Each whole Warrant has an exercise price of $11.50 per Class A ordinary share.

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).

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