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BCS

Changes in Beneficial Ownership · 4

Backblaze, Inc.

BLZENASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Jun 1, 2026Accepted Jun 1, 2026, 4:12 PM EDTFiling CIK 1462056Accession 0001628280-26-039496
Share

Structured filing — 4

wk-form4_1780344744.xml

Open full document ↗

Filing details

Report period
2026-05-26
Issuer
Backblaze, Inc.
Issuer CIK
0001462056
Trading symbol
BLZE

Reporting owner 1

Name
NELSON BARBARA H
Reporting owner CIK
0001204922
Relationship
Director
Address
2261 MARKET STREET STE 81006, SAN FRANCISCO, CA, 94114

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Class A Common Stock2026-05-26A · Form 419,306[F1]A0106,862D
Table key
A · Form 4
Acquisition by grant, award or otherwise under Rule 16b-3(d)
A
Acquired
D
Direct

Footnotes

F1
Pursuant to the Issuer's Director Compensation Policy, 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 shall be satisfied on the earlier of (A) the date of the Issuer's next Annual Meeting of Stockholders, or (B) the one-year anniversary of the date of grant, provided that the Reporting Person remains in continuous service through such vesting date.↩ 1

Signature 1

Signed
/s/ Evangeline Cheung, Attorney-in-Fact
Date
2026-06-01

Company context

Backblaze is the object storage layer powering AI infrastructure and data-intensive workloads at scale. Built over two decades, the company has leveraged hardware, software, and operational innovation into a platform that delivers the performance and economics the AI era demands - without lock-in. Today, more than 500,000 customers trust Backblaze to move and store the data powering their businesses, reaching hundreds of millions of end users across 175 countries.

Current securities

Recent company filings

  1. 10-Q filingNov 2, 2026
  2. Results of Operations and Financial ConditionNov 2, 2026
  3. Entry into a Material Definitive Agreement · Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement · Unregistered Sales of Equity Securities · Other EventsAug 24, 2026
  4. Other EventsAug 19, 2026
  5. 424B3 filingAug 17, 2026

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