Sec Form 4 Filing - Hammer Joseph D @ Trailblazer Merger Corp I - 2023-03-31

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 Hammer Joseph D 2. Issuer Name and Ticker or Trading Symbol Trailblazer Merger Corp I [ TBMCU] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O TRAILBLAZER MERGER CORPORATION I, 510 MADISON AVENUE, SUITE 1401 3. Date of Earliest Transaction (MM/DD/YY) 03/31/2023 (Street) NEW YORK, NY10022 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 Common Stock 03/31/2023 P 394,500 ( 1 ) A $ 10 2,119,500 I See Footnote ( 2 ) ( 3 )

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 acquire Common Stock ( 4 ) 03/31/2023 P 394,500 ( 4 ) ( 4 ) Common Stock 39,450 ( 1 ) 394,500 I See Footnote ( 2 ) ( 3 ) ( 5 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hammer Joseph D C/O TRAILBLAZER MERGER CORPORATION I 510 MADISON AVENUE, SUITE 1401 NEW YORK, NY10022 X X Signatures /s/ Joseph Hammer 04/04/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The reporting person acquired 394,500 units, each unit consisting of one share of Class A common stock and one right to receive one-tenth (1/10) share of Class A common stock. ( 2 )Shares owned by Trailblazer Sponsor Group, LLC (the "Sponsor") over which Joseph Hammer has voting and dispositive power. ( 3 )As the manager of the Sponsor, the reporting person may be deemed to have beneficial ownership of the shares of common stock held directly by the Sponsor, and disclaims any pecuniary interest of the reported shares other than to the extent of any economic interest he may have therein, directly or indirectly. ( 4 )The rights convert automatically into shares of Class A common stock at the completion of the registrant's initial business combination. ( 5 )Rights owned by the Sponsor over which Joseph Hammer has voting and dispositive power.

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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