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

$259.5K

Net Position

Net Seller

$259.5K

Companies Traded

ATRA

Active Period

Aug 2023 – May 2026

11 total trades

Most Recent

Sell ATRA

May 20, 2026 · $47.8K

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

Buys

0 · $0.00

Sells

11 · $259.5K

Total Shares Bought

Total Shares Sold

98,833

ATRA Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 20, 2026	Sell	5,241	$9.13	$47.8K	137,837
Nov 17, 2025	Sell	2,915	$13.19	$38.4K	0
Aug 18, 2025	Sell	2,958	$11.62	$34.4K	0
May 16, 2025	Sell	3,276	$6.76	$22.2K	0
Mar 3, 2025	Sell	3,331	$7.00	$23.3K	0
Nov 18, 2024	Sell	1,664	$11.20	$18.6K	0
Aug 16, 2024	Sell	1,821	$6.63	$12.1K	0
May 16, 2024	Sell	42,899	$0.62	$26.5K	0
Mar 4, 2024	Sell	10,746	$0.72	$7.7K	0
Nov 16, 2023	Sell	8,856	$0.39	$3.4K	0
Aug 16, 2023	Sell	15,126	$1.65	$25.0K	0

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