Panacea Innovation Ltd

ATRA

Panacea Innovation Ltd serves as 10 percent owner at Atara Biotherapeutics, Inc. (ATRA). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

2 trades

$3.65M

Net Position

Net Seller

$3.65M

Companies Traded

ATRA

Active Period

Jan 2026 – May 2026

2 total trades

Most Recent

Sell ATRA

May 11, 2026 · $3.17M

Panacea Innovation Ltd's Insider Trading at Atara Biotherapeutics, Inc. (ATRA)

Buys

0 · $0.00

Sells

2 · $3.65M

Total Shares Bought

Total Shares Sold

394,000

ATRA Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
May 11, 2026	Sell	313,446	$10.10	$3.17M	1,011,000
Jan 14, 2026	Sell	80,554	$6.07	$489.0K	1,324,446

Related Insiders

Yanina Grant-Huerta

officer: Chief Accounting Officer

ATRASell · May 20, 2026

AnhCo Nguyen

President and CEO

ATRASell · May 20, 2026

EcoR1 Capital, LLC

10 percent owner

ATRABuy · May 11, 2026

Explore More Insider Trading Data

ATRA Insider Trading Activity

View all insider trades at Atara Biotherapeutics, Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity