ATARA BIOTHERAPEUTICS INC

Ticker: ATRA CUSIP: 046513206 Class: Common Stock

JONES FINANCIAL COMPANIES LLLP's Holding History (CIK: 0000815917)

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

Q4 2025

Shares 703 Value ($000) $13 Avg Close $14.93 Range $10.50 - $18.95

Q3 2025

Shares 703 Value ($000) $10 Avg Close $11.51 Range $7.54 - $14.90

Q2 2025

Shares 703 Value ($000) $6 Avg Close $7.30 Range $5.00 - $9.68

Q1 2025

Shares 703 Value ($000) $5 Avg Close $8.73 Range $5.40 - $18.70

Q4 2024

Shares 203 Value ($000) $3 Avg Close $10.54 Range $7.20 - $14.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	703	$13	$14.93	$10.50 - $18.95
Q3 2025	703	$10	$11.51	$7.54 - $14.90
Q2 2025	703	$6	$7.30	$5.00 - $9.68
Q1 2025	703	$5	$8.73	$5.40 - $18.70
Q4 2024	203	$3	$10.54	$7.20 - $14.93