Backblaze (NASDAQ: BLZE) CFO uses shares to cover tax obligations

Rhea-AI Filing Summary

Backblaze, Inc. Chief Financial Officer Marc Suidan reported a routine tax-related share disposition. On May 14, 2026, 2,555 shares of Class A Common Stock were delivered at $7.27 per share to satisfy tax obligations, rather than sold in the open market. Following this transaction, he directly holds 378,480 shares, indicating that the disposition represents a small portion of his overall stake and reflects standard equity compensation tax withholding rather than a discretionary sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Suidan Marc

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock	2,555	$7.27	$19K

Holdings After Transaction: Class A Common Stock — 378,480 shares (Direct, null)

Footnotes (1)

Key Figures

Shares used for tax withholding: 2,555 shares Transaction value per share: $7.27 per share Shares held after transaction: 378,480 shares

3 metrics

Shares used for tax withholding 2,555 shares Tax-withholding disposition on Class A Common Stock

Transaction value per share $7.27 per share Value used for tax-withholding disposition

Shares held after transaction 378,480 shares Direct holdings following Form 4 transaction

Key Terms

tax-withholding disposition, Class A Common Stock, Form 4

3 terms

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Class A Common Stock financial

""security_title": "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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 CALIFORNIA 94114

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

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
Class A Common Stock	05/14/2026		F		2,555	D	$7.27	378,480	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:

Remarks:

	/s/ Evangeline Cheung, Attorney-in-Fact	05/18/2026
	** 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)

FAQ

What insider transaction did Backblaze (BLZE) report for Marc Suidan?

Backblaze reported that CFO Marc Suidan had 2,555 Class A shares delivered to cover tax obligations. This was a tax-withholding disposition, not an open-market sale, and reflects routine handling of equity compensation taxes.

How many Backblaze (BLZE) shares were involved in Marc Suidan’s tax withholding?

The filing shows 2,555 shares of Backblaze Class A Common Stock were used to satisfy tax liabilities. The transaction price was $7.27 per share, based on the value used for the tax-withholding disposition.

Does the Backblaze (BLZE) Form 4 indicate that the CFO sold shares on the market?

No, the Form 4 describes a tax-withholding disposition, not an open-market sale. Shares were delivered to cover tax obligations associated with equity compensation, which is a common administrative transaction for executives.

What is Marc Suidan’s Backblaze (BLZE) shareholding after this Form 4 transaction?

After the tax-withholding disposition, Marc Suidan directly holds 378,480 shares of Backblaze Class A Common Stock. This indicates the 2,555 shares used for taxes represent a small portion of his total reported holdings.

How is the transaction in Backblaze (BLZE) CFO’s Form 4 classified?

The transaction is coded “F,” described as a payment of tax liability by delivering securities. It is categorized as a tax-withholding disposition, meaning the shares were used to cover taxes on equity compensation rather than being voluntarily sold.