/

EcoR1 Capital, LLC

10% Owner

Total Purchases

$4.7M

1 transaction

Total Sales

—

0 transactions

Companies Traded

1

1 total filings

Active Since

2026-05-07

Last: 2026-05-07

Companies

Atara Biotherapeutics, Inc.

Transaction History

Date	Ticker	Type	Shares	Price	Value	Owned After
2026-05-07	ATRA	Purchase	507.4K	$9.35	$4.7M	1.55M	SEC ↗