ATARA BIOTHERAPEUTICS INC

Ticker: ATRA CUSIP: 046513206 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 10,028 Value ($000) $181 Avg Close $14.93 Range $10.50 - $18.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,028	$181	$14.93	$10.50 - $18.95