Blaize CRO acquires 2,500 shares via RSU vesting

Blaize Holdings, Inc. Chief Revenue Officer Stephen Paul Patak acquired shares through equity compensation rather than open-market trading.

Rhea-AI Filing Summary

Blaize Holdings, Inc. Chief Revenue Officer Stephen Paul Patak acquired shares through equity compensation rather than open-market trading. On April 12, 2026, 2,500 restricted stock units vested and converted into 2,500 shares of common stock at $0 per share, as part of a quarterly vesting schedule over eight installments starting April 12, 2026. Following this, he directly held 2,500 common shares and 17,500 restricted stock units. He also holds employee stock options covering 800,000 shares of common stock at an exercise price of $1.18, expiring March 29, 2036, which vest 25% on January 12, 2027 and quarterly thereafter.

Insider Trade Summary

2,500 shares exercised/converted

Exercise 3 txns

Insider Patak Stephen Paul

Role Chief Revenue Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	2,500	$0.00	$0.00
Exercise	Common Stock	2,500	$0.00	$0.00
holding	Employee Stock Option (right to purchase)	--	--	--

Holdings After Transaction: Restricted Stock Units — 17,500 contracts (Direct); Common Stock — 2,500 shares (Direct); Employee Stock Option (right to purchase) — 800,000 contracts (Direct)

Footnotes (4)

1. F1. Represents the conversion of restricted stock units that vested on April 12, 2026.
2. F2. Each restricted stock unit represents a contingent right to receive one share of Blaize Holdings, Inc. common stock.
3. F3. The restricted stock units vest on a quarterly basis in eight equal installments commencing on April 12, 2026.
4. F4. The reporting person's stock options vest 25% on January 12, 2027 and quarterly thereafter.

Key Figures

RSUs converted: 2,500 units/shares Common shares held: 2,500 shares RSUs remaining: 17,500 units +3 more

6 metrics

RSUs converted 2,500 units/shares Restricted stock units vested and converted on April 12, 2026

Common shares held 2,500 shares Direct holdings following the April 12, 2026 conversion

RSUs remaining 17,500 units Restricted stock units outstanding after the April 12, 2026 vesting

Stock options underlying shares 800,000 shares Employee stock options on common stock, expiration March 29, 2036

Option exercise price $1.18 per share Exercise price for employee stock options expiring March 29, 2036

Option expiration date March 29, 2036 End of term for 800,000-share employee stock option grant

Key Terms

Restricted Stock Units, contingent right, Employee Stock Option (right to purchase), vest, +1 more

5 terms

Restricted Stock Units financial

"Represents the conversion of restricted stock units that vested on April 12, 2026."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share"

Employee Stock Option (right to purchase) financial

"Employee Stock Option (right to purchase)"

vest financial

"The restricted stock units vest on a quarterly basis in eight equal installments"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

exercise price financial

"exercisePrice": "1.1800""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did BZAI Chief Revenue Officer Stephen Paul Patak report in this Form 4?

Stephen Paul Patak reported the vesting and conversion of 2,500 restricted stock units into 2,500 shares of Blaize Holdings common stock. This was a compensation-related equity event, not an open-market stock purchase or sale.

How many Blaize (BZAI) shares did the CRO acquire in this transaction?

He acquired 2,500 shares of Blaize common stock upon vesting of 2,500 restricted stock units at $0 per share. Each vested unit converted into one share under the company’s equity compensation arrangements.

Does this BZAI Form 4 show any open-market buying or selling by the CRO?

The Form 4 shows no open-market buying or selling. It reflects a derivative exercise where 2,500 restricted stock units vested and converted into common shares as scheduled equity compensation.

What ongoing equity awards does the BZAI CRO hold after this filing?

After the filing, he held 17,500 restricted stock units and stock options covering 800,000 shares of common stock. The options have a $1.18 exercise price and expire March 29, 2036, with vesting beginning January 12, 2027.

How do the BZAI restricted stock units vest for the CRO?

The restricted stock units vest quarterly in eight equal installments starting April 12, 2026. Each vested unit provides a contingent right to receive one share of Blaize Holdings common stock upon conversion.

What is the vesting schedule for the BZAI CRO’s employee stock options?

His stock options vest 25% on January 12, 2027, with the remaining options vesting quarterly thereafter. The options cover 800,000 underlying shares of common stock at an exercise price of $1.18 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/14/2026 - 04:30 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Patak Stephen Paul

(Last) (First) (Middle)

C/O BLAIZE HOLDINGS, INC.

4659 GOLDEN FOOTHILL PARKWAY, SUITE 206

(Street)

EL DORADO HILLS CALIFORNIA 95762

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Blaize Holdings, Inc. [ BZAI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Revenue Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/12/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	04/12/2026		M		2,500(1)	A	(2)	2,500	D

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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
Restricted Stock Units	$0(3)	04/12/2026		M			2,500	(3)	(3)	Common Stock	2,500	$0	17,500	D
Employee Stock Option (right to purchase)	$1.18							(4)	03/29/2036	Common Stock	800,000		800,000	D

Explanation of Responses:

1. Represents the conversion of restricted stock units that vested on April 12, 2026.

2. Each restricted stock unit represents a contingent right to receive one share of Blaize Holdings, Inc. common stock.

3. The restricted stock units vest on a quarterly basis in eight equal installments commencing on April 12, 2026.

4. The reporting person's stock options vest 25% on January 12, 2027 and quarterly thereafter.

Remarks:

	/s/ Emilie McLaughlin as attorney-in-fact for Stephen Paul Patak	04/14/2026
	** Signature of Reporting Person	Date
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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)