ATARA BIOTHERAPEUTICS INC

Ticker: ATRA CUSIP: 046513206 Class: Common Stock

MACKENZIE FINANCIAL CORP's Holding History (CIK: 0000919859)

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

Q4 2025

Shares 58,668 Value ($000) $1,047 Avg Close $14.93 Range $10.50 - $18.95

Q3 2025

Shares 63,816 Value ($000) $914 Avg Close $11.51 Range $7.54 - $14.90

Q2 2025

Shares 22,514 Value ($000) $174 Avg Close $7.30 Range $5.00 - $9.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58,668	$1,047	$14.93	$10.50 - $18.95
Q3 2025	63,816	$914	$11.51	$7.54 - $14.90
Q2 2025	22,514	$174	$7.30	$5.00 - $9.68