Backblaze CFO gets RSU grant, shares withheld for tax

Backblaze, Inc. Chief Financial Officer Marc Suidan received an equity grant and had shares withheld for taxes.

Rhea-AI Filing Summary

Backblaze, Inc. Chief Financial Officer Marc Suidan received an equity grant and had shares withheld for taxes. On the transaction date, he was granted 41,144 restricted stock units of Class A Common Stock, which are fully vested and represent one share each. To cover related tax withholding obligations, 15,106 shares of Class A Common Stock were withheld by the company at a price of $3.76 per share, and the footnotes state that no shares were sold by him to satisfy this liability. Following these transactions, he directly owned 295,565 shares of Class A Common Stock.

Insider Trade Summary

Net Buyer: 26,038 shares

Net Buy 2 txns

Insider Suidan Marc

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	41,144	$0.00	$0.00
Exercise Price or Tax Liability	Class A Common Stock	15,106	$3.76	$57K

Holdings After Transaction: Class A Common Stock — 295,565 shares (Direct)

Footnotes (2)

1. F1. The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive on share of Class A Common Stock for each RSU. The RSUs are fully vested.
2. F2. The shares of Class A Common Stock were withheld by the Issuer to cover tax withholding obligations in connection with the grant of RSUs referenced above. No shares were sold by the Reporting Person to satisfy this tax liability.

FAQ

What insider transactions did Backblaze (BLZE) CFO Marc Suidan report?

Marc Suidan reported an equity award and a related tax withholding. He received 41,144 fully vested restricted stock units and 15,106 shares of Class A Common Stock were withheld by Backblaze to satisfy tax obligations tied to that grant.

How many Backblaze (BLZE) RSUs were granted to the CFO in this Form 4?

The CFO was granted 41,144 restricted stock units of Class A Common Stock. Each RSU represents a contingent right to receive one share, and the filing notes that these RSUs are fully vested as of the reported transaction date.

Were any Backblaze (BLZE) shares sold by the CFO in this filing?

No, the filing states that no shares were sold by the CFO. Instead, 15,106 shares of Class A Common Stock were withheld by Backblaze to cover tax withholding obligations arising from the fully vested RSU grant.

At what price were Backblaze (BLZE) shares withheld for taxes in the Form 4?

Shares were withheld at $3.76 per share to cover tax obligations. The transaction is coded as a tax-withholding disposition, meaning the company retained 15,106 shares rather than the CFO selling them into the market.

How many Backblaze (BLZE) shares does the CFO own after these transactions?

After the RSU grant and tax withholding, the CFO directly owns 295,565 shares of Class A Common Stock. This total reflects the net position following the 41,144-share award and the 15,106 shares withheld for tax purposes.

What do the RSUs in the Backblaze (BLZE) Form 4 represent?

The RSUs represent a contingent right to receive one share of Class A Common Stock per unit. The filing specifies that these 41,144 RSUs are fully vested, meaning the CFO has already met the vesting conditions for the entire grant.

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Accepted by SEC EDGAR 03/04/2026 - 07:05 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^*

Suidan Marc

(Last) (First) (Middle)

2261 MARKET STREET

STE 81006

(Street)

SAN FRANCISCO CA 94114

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Backblaze, Inc. [ BLZE ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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

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

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

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
Class A Common Stock	02/27/2026		A		41,144(1)	A	$0	310,671	D
Class A Common Stock	02/27/2026		F		15,106(2)	D	$3.76	295,565	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

Explanation of Responses:

1. The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive on share of Class A Common Stock for each RSU. The RSUs are fully vested.

2. The shares of Class A Common Stock were withheld by the Issuer to cover tax withholding obligations in connection with the grant of RSUs referenced above. No shares were sold by the Reporting Person to satisfy this tax liability.

Remarks:

	/s/ Evangeline Cheung, Attorney-in-Fact	03/04/2026
	** 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.