BACKBLAZE INC

Ticker: BLZE CUSIP: 05637B105 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 33,200 Value ($000) $155 Avg Close $6.85 Range $4.13 - $10.86

Q3 2025

Shares 24,500 Value ($000) $227 Avg Close $7.34 Range $4.65 - $10.83

Q2 2025

Shares 24,500 Value ($000) $135 Avg Close $5.08 Range $3.94 - $6.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,200	$155	$6.85	$4.13 - $10.86
Q3 2025	24,500	$227	$7.34	$4.65 - $10.83
Q2 2025	24,500	$135	$5.08	$3.94 - $6.14