Tina Cessna - 20 Aug 2025 Form 4 Insider Report for Backblaze, Inc. (BLZE)

Reporting relationship: Senior VP, Engineering
Issuer ticker: BLZE
Reported as of: 20 Aug 2025
Net transaction value: -$49,174
SEC form: 4
Accepted by SEC: 22 Aug 2025, 20:38:55 UTC
Prior SEC filing: 22 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Thomas MacMitchell - Attorney-in-Fact

Key filing fact

Tina Cessna filed Form 4 for Backblaze, Inc. (BLZE) on 22 Aug 2025.

Key facts

This page summarizes Tina Cessna's Form 4 filing for Backblaze, Inc. (BLZE).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 22 Aug 2025, 20:38.

Change

Previous filing in this sequence was filed on 22 May 2025.
Current net transaction value: -$49,174.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001978863 Primary reporting owner

Cessna Tina

Relationship: Senior VP, Engineering
Address: 201 BALDWIN AVE., SAN MATEO
Signature: /s/ Thomas MacMitchell - Attorney-in-Fact
Signature date: 22 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BLZE transaction

Class A Common Stock

Tax liability

Transaction value: $49,174
Shares: -6,428
Change %: -3.4%
Price: $7.65
Shares after: 184,776
Date: 20 Aug 2025
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.