BACKBLAZE INC

Ticker: BLZE CUSIP: 05637B105 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 4,642 Value ($000) $22 Avg Close $6.85 Range $4.13 - $10.86

Q2 2025

Shares 6,381 Value ($000) $0 Avg Close $5.08 Range $3.94 - $6.14

Q1 2025

Shares 11,911 Value ($000) $0 Avg Close $6.16 Range $4.71 - $7.83

Q2 2024

Shares 25,773 Value ($000) $0 Avg Close $7.80 Range $5.37 - $10.52

Q2 2023

Shares 611 Value ($000) $0 Avg Close $4.31 Range $3.50 - $5.05

Q1 2022

Shares 787 Value ($000) $8 Avg Close $12.49 Range $8.75 - $18.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,642	$22	$6.85	$4.13 - $10.86
Q2 2025	6,381	$0	$5.08	$3.94 - $6.14
Q1 2025	11,911	$0	$6.16	$4.71 - $7.83
Q2 2024	25,773	$0	$7.80	$5.37 - $10.52
Q2 2023	611	$0	$4.31	$3.50 - $5.05
Q1 2022	787	$8	$12.49	$8.75 - $18.16