Backblaze CFO reports tax RSU share withholding

Backblaze, Inc. Chief Financial Officer Marc Suidan had 7,721 shares of Class A Common Stock withheld on February 20, 2026 to cover tax obligations from vesting restricted stock units.

Rhea-AI Filing Summary

Backblaze, Inc. Chief Financial Officer Marc Suidan had 7,721 shares of Class A Common Stock withheld on February 20, 2026 to cover tax obligations from vesting restricted stock units. The shares were retained by the company for tax withholding, and none were sold in the market. After this tax-withholding disposition, Suidan directly holds 269,527 shares, a figure that includes 2,500 shares previously reported but not counted in the prior total.

Insider Trade Summary

Exercise Price or Tax Liability: 7,721 shares

Exercise Price or Tax Liability 1 txn

Insider Suidan Marc

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Common Stock	7,721	$4.40	$34K

Holdings After Transaction: Class A Common Stock — 269,527 shares (Direct)

Footnotes (2)

1. F1. The shares of Class A Common Stock were withheld by the Issuer to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs). No shares were sold by the Reporting Person to satisfy this tax liability.
2. F2. Includes 2,500 shares of Class A Common Stock previously reported but not added to the total. The current total of 269,527 includes these 2,500 shares.

FAQ

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

What did Backblaze (BLZE) CFO Marc Suidan report in this Form 4?

Marc Suidan reported a tax-related share disposition involving 7,721 Class A shares. These shares were withheld by Backblaze to satisfy tax obligations from vesting RSUs, and were not sold on the open market, leaving him with 269,527 directly held shares.

Were any Backblaze (BLZE) shares sold on the market by the CFO?

No market sale occurred in this transaction. The 7,721 Class A shares were withheld by Backblaze to cover tax liabilities from restricted stock unit vesting, meaning the shares did not go through an exchange or public sale process.

How many Backblaze (BLZE) shares does the CFO hold after this tax withholding?

After the tax-withholding disposition, Marc Suidan directly holds 269,527 Class A shares. This updated total also corrects a prior undercount by including 2,500 shares that had been previously reported but not added into the ownership total.

What does the Form 4 tax-withholding disposition code "F" mean for Backblaze (BLZE)?

The code “F” indicates shares were withheld to pay taxes on equity compensation. For Backblaze, 7,721 Class A shares from the CFO’s vesting RSUs were retained by the company to satisfy tax obligations, instead of the executive selling shares for that purpose.

Why were 2,500 additional Backblaze (BLZE) shares mentioned in the CFO’s ownership detail?

The footnote explains that 2,500 Class A shares were previously reported but not included in the total share count. The updated figure of 269,527 shares now incorporates these 2,500 shares, aligning the reported ownership with prior disclosures.

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

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Accepted by SEC EDGAR 02/24/2026 - 06:45 PM EST 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)
02/20/2026

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	02/20/2026		F(1)		7,721	D	$4.4	269,527(2)	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 shares of Class A Common Stock were withheld by the Issuer to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs). No shares were sold by the Reporting Person to satisfy this tax liability.

2. Includes 2,500 shares of Class A Common Stock previously reported but not added to the total. The current total of 269,527 includes these 2,500 shares.

Remarks:

	/s/ Evangeline Cheung, Attorney-in-Fact	02/24/2026
	** 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.