BACKBLAZE INC

Ticker: BLZE CUSIP: 05637B105 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025

Shares 192,628 Value ($000) $898 Avg Close $6.85 Range $4.13 - $10.86

Q3 2025

Shares 480,281 Value ($000) $4,457 Avg Close $7.34 Range $4.65 - $10.83

Q2 2025

Shares 180,609 Value ($000) $993 Avg Close $5.08 Range $3.94 - $6.14

Q1 2024

Shares 14,763 Value ($000) $0 Avg Close $9.24 Range $6.91 - $12.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	192,628	$898	$6.85	$4.13 - $10.86
Q3 2025	480,281	$4,457	$7.34	$4.65 - $10.83
Q2 2025	180,609	$993	$5.08	$3.94 - $6.14
Q1 2024	14,763	$0	$9.24	$6.91 - $12.65