Atara Biotherapeutics, Inc. Common Stock

ATRA US0465131078

💰
Capitalization
Small-cap

Atara Biotherapeutics Inc operates in the United States healthcare sector. It focuses on developing transformative therapies for patients with serious diseases, including solid tumors, hematologic cancers, and autoimmune diseases. It operates and manages business as one operating and reportable segment which is the business of developing therapeutics. The company's product candidates comprise Tab-cel, ATA188, and ATA3219 (CAR T Platform).

🔗
Website
https://www.atarabio.com
Annual Performance 1
2021 2022 2023 2024 2025
-20% -81% -84% 11% 0%
Annual Insiders Turnover, USD 2

1 annual and historical performance metrics are recalculated on a daily basis;
2 represents the total value of insider transactions (both buying and selling);

Insider Activity
📊
Transactions
48
🙍
Insiders
10
Person Price Shares Total Published Completed
Nguyen Anhco
CEO 		11.61
USD 		57
Sold 		662
USD 		18/08/2025 18/08/2025
Nguyen Anhco
CEO 		11.62
USD 		1,281
Sold 		14,879
USD 		18/08/2025 18/08/2025
Grant-huerta Yanina
CCO 		11.61
USD 		86
Sold 		999
USD 		18/08/2025 18/08/2025
Nguyen Anhco
CEO 		11.62
USD 		1,620
Sold 		18,820
USD 		18/08/2025 18/08/2025
Grant-huerta Yanina
CCO 		11.61
USD 		1,668
Sold 		19,372
USD 		18/08/2025 18/08/2025
Grant-huerta Yanina
CCO 		11.61
USD 		55
Sold 		639
USD 		18/08/2025 18/08/2025
Grant-huerta Yanina
CCO 		6.76
USD 		2,218
Sold 		15,000
USD 		16/05/2025 16/05/2025
Nguyen Anhco
CEO 		6.76
USD 		3,276
Sold 		22,156
USD 		16/05/2025 16/05/2025
Nguyen Anhco
CEO 		6.76
USD 		3,276
Sold 		22,156
USD 		16/05/2025 16/05/2025
Henrich Jill
EX VP 		7.00
USD 		1,059
Sold 		7,410
USD 		03/03/2025 03/03/2025

Integrated EOD Stock Data and Insider Transactions Chart

Sign in or subscribe to include Atara Biotherapeutics, Inc. Common Stock to your watchlist and receive automatic alerts for upcoming transactions.

The visibility of insider buy and sell transactions on this chart should not be the sole factor in your decision to buy or sell a particular stock. Always consider the following dynamic reports for a broader understanding of stock market activities:

 

Historical Performance
1M 3M 6M 1Y 3Y 5Y All Time
69% 40% -19% -74% -96% -96% -98%
Last 52W Low 52W High All-Time Low All-Time High β
15.63 5.30 18.00 5.30 1,286.25
Company Insiders
Person / Entity Transactions Turnover, USD Average, USD First Last
Nguyen Anhco 13 170,334.56 13,102.66 16/11/2023 18/08/2025
Dobmeier Eric 1 101,339.91 101,339.91 10/11/2023 10/11/2023
Touchon Pascal 5 96,255.16 19,251.03 16/11/2023 16/08/2024
Gallagher Carol Giltner 2 68,214.47 34,107.24 13/11/2023 14/11/2023
Hyllengren Eric J 8 57,978.35 7,247.29 16/11/2023 03/03/2025
Henrich Jill 7 44,943.30 6,420.47 16/11/2023 03/03/2025
Murugan Amar 6 38,131.27 6,355.21 16/11/2023 16/08/2024
Grant-huerta Yanina 4 36,009.70 9,002.42 16/05/2025 18/08/2025
Heiden William K 1 25,330.00 25,330.00 10/11/2023 10/11/2023
Joshi Manher 1 4,779.64 4,779.64 16/11/2023 16/11/2023

Insiders marked in yellow represent long-term insiders. These are individuals who have engaged in transactions for over 3 years and have conducted at least 10 transactions or reached a cumulative turnover of $1M USD. When examining transaction clusters, we prioritize those conducted by long-term insiders for analysis.

Connected Companies 3
Name ISIN Ticker
MacroGenics, Inc. US5560991094 MGNX

3 the firms where the current insiders have executed transactions.

Stock Advanced Metrics
Delta Correlation subscribe 🔒
Upper Bound of Standardized Transaction Amount (ubsta), USD 4 subscribe 🔒

4 represents the maximum expected transaction amount for a company's insiders, calculated based on historical data. It provides insight into the typical range of insider transaction amounts and helps in identifying unusually large transactions.

5 a proprietary metric reflecting the consistency of insider trading behavior within a company. A higher discipline index suggests more regular and predictable insider transactions.