X0609 4 2026-05-08 0 0001871638 Blaize Holdings, Inc. BZAI 0001733859 Bess Lane false C/O BLAIZE HOLDINGS, INC. 4659 GOLDEN FOOTHILL PARKWAY, SUITE 206 EL DORADO CA 95762 1 0 0 0 0 Common Stock 2026-05-08 4 J 0 2000000 A 12446783 I By Bess Ventures and Advisory, LLC Common Stock 389968 I By Destin Huang Irrevocable Trust Earnout Shares 2030-01-13 Common Stock 47341 47341 D Employee Stock Option (right to purchase) 1.18 2034-10-23 Common Stock 185234 185234 D Employee Stock Option (right to purchase) 1.18 2034-10-23 Common Stock 187379 187379 D Restricted Stock Units Common Stock 159250 159250 D Earnout Shares 2030-01-13 Common Stock 1207193 1207193 I By Bess Ventures and Advisory, LLC Earnout Shares 2030-01-13 Common Stock 52619 52619 I By Destin Huang Irrevocable Trust Represents shares of Issuer's common stock acquired by Bess Ventures and Advisory, LLC in good faith in connection with a debt previously contracted. Accordingly, such acquisition is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended. In the reporting person's prior Form 4 filings, earnout shares and restricted stock units had been reported in Table I. These holdings have been moved to Table II, and there have been no transactions in such holdings since the reporting person's last Form 4 filing. 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. 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. On January 13, 2025, the date of the Issuer's business combination, the reporting person received earnout shares in respect of the Issuer's business combination. Each eanout share represents a contingent right to receive one share of the Issuer's common stock if the trading price of the Issuer's common stock exceeds certain thresholds for 20 of 30 consecutive trading days post-closing of the Issuer's business combination. Represents securities received as part of that certain Agreement and Plan of Merger, dated as of December 22, 2023 and amended on April 22, 2024, October 24, 2024 and November 21, 2024 (the "Merger Agreement"), by and between the Issuer (formerly BurTech Acquisition Corp.), BurTech Merger Sub Inc., Blaize, Inc. ("Legacy Blaize") and for the limited purposes set forth therein, Burkhan Capital LLC, pursuant to which securities of Legacy Blaize were automatically converted into the right to receive stock options of the Issuer as set forth in the Merger Agreement. The stock option is fully vested and exercisable. The stock option vests as to one third of the underlying shares on December 1, 2025 and thereafter in 24 equal monthly installments. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. Represents an award of restricted stock units which vest in accordance with the applicable grant agreement. Bess Ventures and Advisory, LLC files separate Section 16 reports from the Reporting Person. /s/ Harminder Sehmi, as Attorney-in-Fact 2026-05-12