BACKBLAZE INC

Ticker: BLZE CUSIP: 05637B105 Class: Common Stock

Penbrook Management LLC's Holding History (CIK: 0001381055)

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

Q4 2025

Shares 71,350 Value ($000) $332 Avg Close $6.85 Range $4.13 - $10.86

Q3 2025

Shares 52,025 Value ($000) $483 Avg Close $7.34 Range $4.65 - $10.83

Q2 2025

Shares 47,275 Value ($000) $228 Avg Close $5.08 Range $3.94 - $6.14

Q1 2025

Shares 47,275 Value ($000) $228 Avg Close $6.16 Range $4.71 - $7.83

Q4 2024

Shares 47,875 Value ($000) $288 Avg Close $6.79 Range $5.50 - $8.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	71,350	$332	$6.85	$4.13 - $10.86
Q3 2025	52,025	$483	$7.34	$4.65 - $10.83
Q2 2025	47,275	$228	$5.08	$3.94 - $6.14
Q1 2025	47,275	$228	$6.16	$4.71 - $7.83
Q4 2024	47,875	$288	$6.79	$5.50 - $8.08