Backblaze CFO receives 85,470 RSUs

Suidan Marc reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Suidan Marc reported acquisition or exercise transactions in this Form 4 filing.

Backblaze, Inc. Chief Financial Officer Marc Suidan reported an equity award of 85,470 shares of Class A common stock in the form of restricted stock units (RSUs). These RSUs carry no purchase price and represent a contingent right to receive one share for each unit granted.

The award is subject to a service-based vesting schedule, vesting quarterly over approximately three years, with the first 1/12th tranche vesting on May 14, 2026, so long as he remains in continuous service. Following this grant, Suidan directly holds 381,035 shares of Class A common stock.

Insider Trade Summary

Grant/Award: 85,470 shares

Grant/Award 1 txn

Insider Suidan Marc

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	85,470	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 381,035 shares (Direct)

Footnotes (1)

1. F1. The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Class A common stock for each RSU. The RSUs are subject to a service-based vesting requirement, which will vest on a quarterly basis over approximately 3 years with the first 1/12th tranche vesting on May 14, 2026, provided that the Reporting Person remains in continuous service through each such vesting date.

Key Figures

RSU grant size: 85,470 shares Post-grant holdings: 381,035 shares Grant price: $0.00 per share +2 more

5 metrics

RSU grant size 85,470 shares Restricted stock units of Class A common stock granted to CFO

Post-grant holdings 381,035 shares Class A common stock held directly after the transaction

Grant price $0.00 per share RSUs granted with no cash purchase price

Vesting start date May 14, 2026 First 1/12th of RSUs vest, subject to continued service

Vesting period Approximately 3 years RSUs vest quarterly over this service-based period

Key Terms

restricted stock units, service-based vesting requirement, Class A Common Stock, Form 4

4 terms

restricted stock units financial

"The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share"

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.

service-based vesting requirement financial

"The RSUs are subject to a service-based vesting requirement, which will vest on a quarterly basis"

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.

FAQ

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

What insider transaction did Backblaze (BLZE) report for its CFO?

Backblaze reported that CFO Marc Suidan received 85,470 restricted stock units of Class A common stock. Each RSU represents a contingent right to one share, granted at no cash cost as part of his equity compensation structure.

How many Backblaze (BLZE) shares does the CFO hold after this Form 4?

After the reported RSU grant, CFO Marc Suidan holds 381,035 shares of Backblaze Class A common stock directly. This figure reflects his position immediately following the award disclosed in the Form 4 filing submitted to regulators.

How do the new Backblaze (BLZE) RSUs vest for the CFO?

The 85,470 restricted stock units vest on a service-based schedule over about three years. Vesting occurs quarterly, with the first 1/12th tranche vesting on May 14, 2026, provided Marc Suidan remains in continuous service with Backblaze through each vesting date.

Does the Backblaze (BLZE) CFO need to pay for the RSUs granted?

No cash payment is required for these RSUs, which were granted at a price of $0.00 per share. Each restricted stock unit represents a contingent right to receive one share of Class A common stock once the service-based vesting conditions are satisfied.

What type of security was reported in this Backblaze (BLZE) Form 4?

The Form 4 reports Class A common stock delivered through restricted stock units. These RSUs give the CFO a contingent right to receive one share of Class A common stock per unit, subject to quarterly vesting over approximately three years of continued service.

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

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Accepted by SEC EDGAR 04/02/2026 - 09:07 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 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)
04/01/2026

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	04/01/2026		A		85,470(1)	A	$0	381,035	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 one share of Class A common stock for each RSU. The RSUs are subject to a service-based vesting requirement, which will vest on a quarterly basis over approximately 3 years with the first 1/12th tranche vesting on May 14, 2026, provided that the Reporting Person remains in continuous service through each such vesting date.

Remarks:

	/s/ Evangeline Cheung, Attorney-in-Fact	04/02/2026
	** 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)