ATARA BIOTHERAPEUTICS INC

Ticker: ATRA CUSIP: 046513206 Class: Common Stock

Birchview Capital, LP's Holding History (CIK: 0001618205)

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

Q1 2025

Shares 22,000 Value ($000) $131 Avg Close $8.73 Range $5.40 - $18.70

Q4 2024

Shares 22,000 Value ($000) $293 Avg Close $10.54 Range $7.20 - $14.93

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	22,000	$131	$8.73	$5.40 - $18.70
Q4 2024	22,000	$293	$10.54	$7.20 - $14.93