Daniel Spraggins - 10 Mar 2026 Form 4 Insider Report for Backblaze, Inc. (BLZE)

Role: Senior VP of Engineering
Signature: /s/ Evangeline Cheung, Attorney-in-Fact
Issuer symbol: BLZE
Transactions as of: 10 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 11 Mar 2026, 17:21:07 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Spraggins Daniel	Senior VP of Engineering	2261 MARKET ST., STE 81006, SAN FRANCISCO	/s/ Evangeline Cheung, Attorney-in-Fact	11 Mar 2026	0002112128

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BLZE	Class A Common Stock	Award		+234,220		$0.000000^*	234,220	10 Mar 2026	Direct	F1

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

Explanation of Responses:

Id	Content
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, and will vest 25% on the first anniversary of January 5, 2025 and the remainder in equal quarterly installments over the remaining 3 year period, provided that the Reporting Person remains in continuous service through each such vesting date. The RSUs were granted as an employment inducement award under the Company's 2024 New Employee Equity Incentive Plan in accordance with Nasdaq Listing Rule 5635(c)(4).

Content

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, and will vest 25% on the first anniversary of January 5, 2025 and the remainder in equal quarterly installments over the remaining 3 year period, provided that the Reporting Person remains in continuous service through each such vesting date. The RSUs were granted as an employment inducement award under the Company's 2024 New Employee Equity Incentive Plan in accordance with Nasdaq Listing Rule 5635(c)(4).