Trailblazer Sponsor Llc - Sep 11, 2025 Form 4 Insider Report for Trailblazer Acquisition Corp. (BLZR)

Role: 10%+ Owner
Signature: /s/ Eric Semler as Sole Managing Member of Trailblazer Sponsor LLC
Stock symbol: BLZR
Transactions as of: Sep 11, 2025
Transactions value $: $0
Form type: 4
Date filed: 9/12/2025, 04:07 PM
Previous filing: Sep 9, 2025
SEC: View on sec.gov

Reporting Owners (2)

Name	Relationship	Address	Signature	Signature date	CIK
TRAILBLAZER SPONSOR LLC	10%+ Owner	152 WEST 57TH STREET, 27TH FLOOR, NEW YORK	/s/ Eric Semler as Sole Managing Member of Trailblazer Sponsor LLC	2025-09-12	0002075042
SEMLER ERIC	Chief Executive Office, Director, 10%+ Owner	152 WEST 57TH STREET, 27TH FLOOR, NEW YORK	/s/ Eric Semler	2025-09-12	0001162095

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BLZR	Class B Ordinary Shares	Other		-25K	-0.37%		6.79M	Sep 11, 2025	Class A ordinary shares	25K		Direct	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	As described in the registration statement on Form S-1 (File No. 333-288651) of Trailblazer Acquisition Corp. (the "Issuer") under the heading "Description of Securities--Founder Shares," the Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or at any time prior to the Issuer's initial business combination, at the option of the holder, on a one-for-one basis, subject to certain adjustments. The Class B ordinary shares have no expiration date.
F2	As contemplated in connection with the initial public offering of the issuer, as a result of the underwriters' partial exercise of the over-allotment option, 25,000 Class B ordinary shares were surrendered by Trailblazer Sponsor LLC (the "Sponsor") to the issuer for no consideration.
F3	Trailblazer Sponsor LLC, the Sponsor, is the record holder of such shares. The sole managing member of the Sponsor is Eric Semler. Mr. Semler holds voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Mr. Semler disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly. Each such person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.