Gleb Budman - 20 Nov 2025 Form 4 Insider Report for Backblaze, Inc. (BLZE)

Role: CEO and Chairperson, Director
Signature: /s/ Evangeline Cheung, Attorney-in-Fact
Issuer symbol: BLZE
Transactions as of: 20 Nov 2025
Net transactions value: -$120,344
Form type: 4
Filing time: 24 Nov 2025, 19:02:13 UTC
Previous filing: 22 Aug 2025
Next filing: 24 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Budman Gleb	CEO and Chairperson, Director	201 BALDWIN AVE., SAN MATEO	/s/ Evangeline Cheung, Attorney-in-Fact	24 Nov 2025	0001857850

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BLZE	Class A Common Stock	Tax liability	$120,344	-27,793	-1.3%	$4.33	2,096,013	20 Nov 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.