ATRA Logo

Atara Biotherapeutics, Inc. (ATRA) 

NASDAQ
Market Cap
$65.66M
Sector
Healthcare
Industry
Biotechnology
Rank in Sector
553 of 960
Rank in Industry
302 of 550

Largest Insider Buys in Sector

ATRA Stock Price History Chart

ATRA Stock Performance

About Atara Biotherapeutics, Inc.

Atara Biotherapeutics, Inc., an off-the-shelf T-cell immunotherapy company, develops treatments for patients with cancer, autoimmune, and viral diseases in the United States. It is developing tabelecleucel, a T-cell immunotherapy that is Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferative disease, as well as hematologic and solid tumors, including nasopharyngeal carcinoma. The company is also developing next-generation CAR T immunotherapies for patients with hematologic malignancies …

Insider Activity of Atara Biotherapeutics, Inc.

Over the last 12 months, insiders at Atara Biotherapeutics, Inc. have bought $0 and sold $269,243 worth of Atara Biotherapeutics, Inc. stock.

On average, over the past 5 years, insiders at Atara Biotherapeutics, Inc. have bought $347,627 and sold $1.04M worth of stock each year.

There was no buying activity among insiders over the last 12 months.

The last purchase of 90,980 shares for transaction amount of $28,186 was made by Gallagher Carol Giltner (director) on 2023‑11‑14.

List of Insider Buy and Sell Transactions, Atara Biotherapeutics, Inc.

2024-11-18SalePresident and CEO
1,664
0.0286%
$11.20$18,6330.00%
2024-11-18SaleEVP, CFO and COO
1,364
0.0234%
$11.20$15,2740.00%
2024-11-18SaleEVP, Chief Regulatory Officer
1,000
0.0172%
$11.20$11,1980.00%
2024-08-16SalePresident and CEO
3,038
0.053%
$6.63$20,139-0.07%
2024-08-16SaleEVP, Chief Sci. & Tech Officer
1,821
0.0318%
$6.63$12,072-0.07%
2024-08-16SaleEVP, Chief Legal Officer
1,158
0.0202%
$6.63$7,677-0.07%
2024-08-16SaleEVP, CFO
1,070
0.0187%
$6.63$7,093-0.07%
2024-08-16SaleEVP, Global Head RA & Quality
963
0.0168%
$6.63$6,384-0.07%
2024-05-16SalePresident and CEO
81,506
0.0671%
$0.62$50,289-34.16%
2024-05-16SaleEVP, Chief Sci. & Tech Officer
42,899
0.0353%
$0.62$26,469-34.16%
2024-05-16SaleEVP, Chief Legal Officer
32,401
0.0267%
$0.62$19,991-34.16%
2024-05-16SaleEVP, CFO
28,648
0.0236%
$0.62$17,676-34.16%
2024-05-16SaleEVP, Global Head RA & Quality
25,750
0.0212%
$0.62$15,888-34.16%
2024-03-04SalePresident and CEO
24,844
0.0185%
$0.72$17,888-35.27%
2024-03-04SaleEVP, Chief Sci. & Tech Officer
10,746
0.008%
$0.72$7,737-35.27%
2024-03-04SaleEVP, Chief Legal Officer
10,044
0.0075%
$0.72$7,232-35.27%
2024-03-04SaleEVP, CFO
6,679
0.005%
$0.72$4,810-35.27%
2024-03-04SaleEVP, Global Head RA & Quality
3,879
0.0029%
$0.72$2,793-35.27%
2023-11-16SalePresident and CEO
20,409
0.0161%
$0.39$7,939+19.73%
2023-11-16SaleEVP, Chief Sci. & Tech Officer
8,856
0.007%
$0.39$3,445+19.73%

Insider Historical Profitability

60.7%
Domain Partners VIII, L.P.10 percent owner
2141542
37.1812%
$11.4010+169.68%
MARCUS JOEL Sdirector
888355
15.4235%
$11.4033+73.99%
DOBMEIER ERICdirector
563325
9.7804%
$11.4040<0.0001%
Gallagher Carol Giltnerdirector
459418
7.9764%
$11.40418+129.11%
HEIDEN WILLIAM Kdirector
209000
3.6286%
$11.4010

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Ecor1 Capital Llc$7.06B207.3110.17M+0.99%+$69.4M49.51
Redmile Group$6.43B188.889.26M+1.72%+$108.86M65.63
BlackRock$4.74B139.36.83M-3.61%-$177.48M0.1
Bank of America$4.57B134.186.58M+3,379.43%+$4.44B0.44
Citadel Advisors LLC$4.52B132.786.51M+2,375.59%+$4.34B2.58
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Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.