Form 4 for BLZE Backblaze, Inc.

Accepted 2026-08-24 17:39:42 ET · period of report 2026-08-20 · accession 0001628280-26-058708 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2026-08-24 17:39	2026-08-20	BLZE	Budman Gleb	CEO, COB, Dir	D - Sale to Iss	$16.24	-11.1K	2.20M	-0.5%	-$180.0K
	2026-08-24 17:39	2026-08-21	BLZE	Budman Gleb	CEO, COB, Dir	S - Sale	$15.82	-12.9K	2.19M	-0.6%	-$203.4K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Common Stock	2026-08-20	D	D	11,083	$16.24	2,204,958	D	—	—	(F1) Represents previously issued restricted stock units that the Issuer retired for cash upon vesting in lieu of issuing shares of common stock. (F2) These restricted stock units were settled by the Issuer at the closing price per share of the Issuer's common stock on the vesting date.
2	Common	Class A Common Stock	2026-08-21	S	D	12,855	$15.82	2,192,103	D	—	—	(F3) The sales reported on this Form 4 represent shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. These sales are mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person. (F4) The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.82 to $15.83, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.