BLZE

Backblaze, Inc.

Insider trading activity for Backblaze, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$236.7K

net selling

Bought(0 · 0 insiders): $0
Sold(2 · 2 insiders): $236.7K

Past 6 months

-$236.7K

net selling

Bought(0 · 0 insiders): $0
Sold(2 · 2 insiders): $236.7K

Past 12 months

-$236.7K

net selling

Bought(0 · 0 insiders): $0
Sold(2 · 2 insiders): $236.7K

Transaction history

The 35 most recent Form 4 transactions.

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Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 21	Suidan Marc	Chief Financial Officer	SSELL	2,110	$15.82	$33.4K	-0.6%	Open the original filing on SEC.gov
Aug 21	Budman Gleb	CEO and Chairperson	SSELL	12,855	$15.82	$203.4K	-0.6%	Open the original filing on SEC.gov
Aug 20	Suidan Marc	Chief Financial Officer	DTOISS	11,083	$16.24	$180K	-3.1%	Open the original filing on SEC.gov
Aug 20	Budman Gleb	CEO and Chairperson	DTOISS	11,083	$16.24	$180K	-0.5%	Open the original filing on SEC.gov
May 26	Nelson Barbara H	Director	AGRANT	19,306	—	—	+22.1%	Open the original filing on SEC.gov
May 26	Carter Miller Jocelyn	Director	AGRANT	19,306	—	—	+18.6%	Open the original filing on SEC.gov
May 26	Fry Earl E	Director	AGRANT	19,306	—	—	+19.5%	Open the original filing on SEC.gov
May 26	D An Evelyn	Director	AGRANT	19,306	—	—	+19.5%	Open the original filing on SEC.gov
May 20	Suidan Marc	Chief Financial Officer	DTOISS	18,000	$7.43	$133.7K	-4.7%	Open the original filing on SEC.gov
May 20	Suidan Marc	Chief Financial Officer	FTAX	269	$7.43	$2K	<0.1%	Open the original filing on SEC.gov
May 20	Budman Gleb	CEO and Chairperson	DTOISS↺	18,000	$7.43	$133.7K	-0.8%	Open the original filing on SEC.gov
May 20	Budman Gleb	CEO and Chairperson	FTAX↺	13,177	$7.43	$97.9K	-0.6%	Open the original filing on SEC.gov
May 19	Suidan Marc	Chief Financial Officer	AGRANT	2,500	$3.68	$9.2K	+0.7%	Open the original filing on SEC.gov
May 14	Budman Gleb	CEO and Chairperson	FTAX	3,833	$7.27	$27.9K	-0.2%	Open the original filing on SEC.gov
May 14	Suidan Marc	Chief Financial Officer	FTAX	2,555	$7.27	$18.6K	-0.7%	Open the original filing on SEC.gov
Apr 1	Suidan Marc	Chief Financial Officer	AGRANT	85,470	—	—	+28.9%	Open the original filing on SEC.gov
Apr 1	Budman Gleb	CEO and Chairperson	AGRANT	128,205	—	—	+6.0%	Open the original filing on SEC.gov
Mar 10	Spraggins Daniel	Senior VP of Engineering	AGRANT	234,220	—	—	—	Open the original filing on SEC.gov
Feb 27	Suidan Marc	Chief Financial Officer	FTAX	15,106	$3.76	$56.8K	-4.9%	Open the original filing on SEC.gov
Feb 27	Suidan Marc	Chief Financial Officer	AGRANT	41,144	—	—	+15.3%	Open the original filing on SEC.gov
Feb 27	Budman Gleb	CEO and Chairperson	FTAX	26,767	$3.76	$100.6K	-1.3%	Open the original filing on SEC.gov
Feb 27	Budman Gleb	CEO and Chairperson	AGRANT	74,602	—	—	+3.6%	Open the original filing on SEC.gov
Feb 20	Suidan Marc	Chief Financial Officer	FTAX	7,721	$4.40	$34K	-2.8%	Open the original filing on SEC.gov
Feb 20	Budman Gleb	CEO and Chairperson	FTAX	21,002	$4.40	$92.4K	-1.0%	Open the original filing on SEC.gov
Nov 20, 2025	Suidan Marc	Chief Financial Officer	FTAX	6,708	$4.33	$29K	-2.4%	Open the original filing on SEC.gov
Nov 20, 2025	Budman Gleb	CEO and Chairperson	FTAX	27,793	$4.33	$120.3K	-1.3%	Open the original filing on SEC.gov
Aug 20, 2025	Budman Gleb	CEO and Chairperson	FTAX	20,468	$7.65	$156.6K	-0.9%	Open the original filing on SEC.gov
Aug 20, 2025	Suidan Marc	Chief Financial Officer	FTAX	26,835	$7.65	$205.3K	-8.7%	Open the original filing on SEC.gov
Aug 20, 2025	Cessna Tina	Senior VP, Engineering	FTAX	6,428	$7.65	$49.2K	-3.4%	Open the original filing on SEC.gov
May 27, 2025	D An Evelyn	Director	AGRANT	25,210	—	—	+34.2%	Open the original filing on SEC.gov
May 27, 2025	Nelson Barbara H	Director	AGRANT	25,210	—	—	+40.4%	Open the original filing on SEC.gov
May 27, 2025	Carter-Miller Jocelyn	Director	AGRANT	25,210	—	—	+32.2%	Open the original filing on SEC.gov
May 27, 2025	Fry Earl E	Director	AGRANT	25,210	—	—	+34.2%	Open the original filing on SEC.gov
May 20, 2025	Cessna Tina	Senior VP, Engineering	FTAX	6,858	$5.33	$36.6K	-3.5%	Open the original filing on SEC.gov
May 20, 2025	Budman Gleb	CEO and Chairperson	FTAX	19,583	$5.33	$104.4K	-0.9%	Open the original filing on SEC.gov

SSELL$33.4K

Suidan Marc · Chief Financial…Aug 21

2,110 sh @ $15.82 · -0.6% own

SSELL$203.4K

Budman Gleb · CEO and Chairperso…Aug 21

12,855 sh @ $15.82 · -0.6% own

DTOISS$180K

Suidan Marc · Chief Financial…Aug 20

11,083 sh @ $16.24 · -3.1% own

DTOISS$180K

Budman Gleb · CEO and Chairperso…Aug 20

11,083 sh @ $16.24 · -0.5% own

AGRANT—

Nelson Barbara H · DirectorMay 26

19,306 sh · +22.1% own

AGRANT—

Carter Miller Jocelyn · DirectorMay 26

19,306 sh · +18.6% own

AGRANT—

Fry Earl E · DirectorMay 26

19,306 sh · +19.5% own

AGRANT—

D An Evelyn · DirectorMay 26

19,306 sh · +19.5% own

DTOISS$133.7K

Suidan Marc · Chief Financial…May 20

18,000 sh @ $7.43 · -4.7% own

FTAX$2K

Suidan Marc · Chief Financial…May 20

269 sh @ $7.43 · <0.1% own

DTOISS↺$133.7K

Budman Gleb · CEO and Chairperso…May 20

18,000 sh @ $7.43 · -0.8% own

FTAX↺$97.9K

Budman Gleb · CEO and Chairperso…May 20

13,177 sh @ $7.43 · -0.6% own

AGRANT$9.2K

Suidan Marc · Chief Financial…May 19

2,500 sh @ $3.68 · +0.7% own

FTAX$27.9K

Budman Gleb · CEO and Chairperso…May 14

3,833 sh @ $7.27 · -0.2% own

FTAX$18.6K

Suidan Marc · Chief Financial…May 14

2,555 sh @ $7.27 · -0.7% own

AGRANT—

Suidan Marc · Chief Financial…Apr 1

85,470 sh · +28.9% own

AGRANT—

Budman Gleb · CEO and Chairperso…Apr 1

128,205 sh · +6.0% own

AGRANT—

Spraggins Daniel · Senior VP of…Mar 10

234,220 sh

FTAX$56.8K

Suidan Marc · Chief Financial…Feb 27

15,106 sh @ $3.76 · -4.9% own

AGRANT—

Suidan Marc · Chief Financial…Feb 27

41,144 sh · +15.3% own

FTAX$100.6K

Budman Gleb · CEO and Chairperso…Feb 27

26,767 sh @ $3.76 · -1.3% own

AGRANT—

Budman Gleb · CEO and Chairperso…Feb 27

74,602 sh · +3.6% own

FTAX$34K

Suidan Marc · Chief Financial…Feb 20

7,721 sh @ $4.40 · -2.8% own

FTAX$92.4K

Budman Gleb · CEO and Chairperso…Feb 20

21,002 sh @ $4.40 · -1.0% own

FTAX$29K

Suidan Marc · Chief Financial…Nov 20, 2025

6,708 sh @ $4.33 · -2.4% own

FTAX$120.3K

Budman Gleb · CEO and Chairperso…Nov 20, 2025

27,793 sh @ $4.33 · -1.3% own

FTAX$156.6K

Budman Gleb · CEO and Chairperso…Aug 20, 2025

20,468 sh @ $7.65 · -0.9% own

FTAX$205.3K

Suidan Marc · Chief Financial…Aug 20, 2025

26,835 sh @ $7.65 · -8.7% own

FTAX$49.2K

Cessna Tina · Senior VP, Enginee…Aug 20, 2025

6,428 sh @ $7.65 · -3.4% own

AGRANT—

D An Evelyn · DirectorMay 27, 2025

25,210 sh · +34.2% own

AGRANT—

Nelson Barbara H · DirectorMay 27, 2025

25,210 sh · +40.4% own

AGRANT—

Carter-Miller Jocelyn · DirectorMay 27, 2025

25,210 sh · +32.2% own

AGRANT—

Fry Earl E · DirectorMay 27, 2025

25,210 sh · +34.2% own

FTAX$36.6K

Cessna Tina · Senior VP, Enginee…May 20, 2025

6,858 sh @ $5.33 · -3.5% own

FTAX$104.4K

Budman Gleb · CEO and Chairperso…May 20, 2025

19,583 sh @ $5.33 · -0.9% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

4 of 27 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 1 business day late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
May 26	May 31	D An EvelynDirector	1day	—	Filing ↗
May 26	May 31	Fry Earl EDirector	1day	—	Filing ↗
May 26	May 31	Nelson Barbara HDirector	1day	—	Filing ↗
May 26	May 31	Carter Miller JoycelynDirector	1day	—	Filing ↗

D An EvelynDirector

1day

Traded May 26 · filed May 31Filing ↗

Fry Earl EDirector

1day

Traded May 26 · filed May 31Filing ↗

Nelson Barbara HDirector

1day

Traded May 26 · filed May 31Filing ↗

Carter Miller JoycelynDirector

1day

Traded May 26 · filed May 31Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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