BACKBLAZE INC

Ticker: BLZE CUSIP: 05637B105 Class: Common Stock

SBI Securities Co., Ltd.'s Holding History (CIK: 0001851815)

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

Q4 2025

Shares 469 Value ($000) $2 Avg Close $6.85 Range $4.13 - $10.86

Q3 2025

Shares 470 Value ($000) $4 Avg Close $7.34 Range $4.65 - $10.83

Q2 2025

Shares 469 Value ($000) $3 Avg Close $5.08 Range $3.94 - $6.14

Q1 2025

Shares 469 Value ($000) $2 Avg Close $6.16 Range $4.71 - $7.83

Q4 2024

Shares 354 Value ($000) $2 Avg Close $6.79 Range $5.50 - $8.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	469	$2	$6.85	$4.13 - $10.86
Q3 2025	470	$4	$7.34	$4.65 - $10.83
Q2 2025	469	$3	$5.08	$3.94 - $6.14
Q1 2025	469	$2	$6.16	$4.71 - $7.83
Q4 2024	354	$2	$6.79	$5.50 - $8.08