Sec Form 4 Filing - Bess Lane @ Blaize Holdings, Inc. - 2025-06-28

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 Bess Lane 2. Issuer Name and Ticker or Trading Symbol Blaize Holdings, Inc. [ BZAI] 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 BLAIZE HOLDINGS, INC., 4659 GOLDEN FOOTHILL PARKWAY, SUITE 206 3. Date of Earliest Transaction (MM/DD/YY) 06/28/2025 (Street) EL DORADO HILLS, CA95762 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 06/28/2025 A( 1 ) 159,250 A $ 0 206,591 ( 2 ) D Common Stock 11,653,976 I By Bess Ventures and Advisory, LLC ( 3 ) Common Stock 442,587 I By Destin Huang Irrevocable Trust ( 4 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bess Lane C/O BLAIZE HOLDINGS, INC. 4659 GOLDEN FOOTHILL PARKWAY, SUITE 206 EL DORADO HILLS, CA95762 X X Signatures /s/ Harminder Sehmi, Attorney-in-Fact 07/02/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents an award of restricted stock units which vest in accordance with the applicable grant agreement. ( 2 )Includes 47,341 Earn-Out Shares, each of which represents a contingent right to receive one share of Common Stock if the trading price of the Issuer's Common Stock exceeds certain thresholds. ( 3 )The reporting person is the managing member and owner of Bess Ventures and Advisory, LLC and therefore may be deemed to share beneficial ownership over such shares. Includes 1,207,193 Earn-Out Shares. ( 4 )Represents securities held by the Coral Gables Trust Company, as Trustee of the Destin Huang Irrevocable Trust Dated October 19, 2021 (the "Trust"). The reporting person is the Investment Fiduciary of the Trust and therefore may be deemed to share beneficial ownership over such shares. Includes 52,619 Earn-Out Shares.

Remarks: Bess Ventures and Advisory, LLC files separate Section 16 reports from the Reporting Person.

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.
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