InsiderFlow

AnhCo Nguyen

ATRA

AnhCo Nguyen serves as director, officer: President and CEO 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

11 trades

$242.1K

Net Position

Net Seller

$242.1K

Companies Traded

1

ATRA

Active Period

Aug 2023 – Mar 2026

11 total trades

Most Recent

Sell ATRA

Mar 4, 2026 · $30.5K

AnhCo Nguyen's Insider Trading at Atara Biotherapeutics, Inc. (ATRA)

Buys

0 · $0.00

Sells

11 · $242.1K

Total Shares Bought

0

Total Shares Sold

99,584

ATRA Price Chart
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DateTypeSharesAvg PriceValueShares After
Mar 4, 2026Sell5,992$5.09$30.5K64,776
Nov 17, 2025Sell2,915$13.19$38.4K0
Aug 18, 2025Sell2,958$11.62$34.4K0
May 16, 2025Sell3,276$6.76$22.2K0
Mar 3, 2025Sell3,331$7.00$23.3K0
Nov 18, 2024Sell1,664$11.20$18.6K0
Aug 16, 2024Sell1,821$6.63$12.1K0
May 16, 2024Sell42,899$0.62$26.5K0
Mar 4, 2024Sell10,746$0.72$7.7K0
Nov 16, 2023Sell8,856$0.39$3.4K0
Aug 16, 2023Sell15,126$1.65$25.0K0