Atara Biotherapeutics, Inc. (ATRA)
NASDAQ$7.25
Market Cap
$42.48M
Sector
Healthcare
Industry
Biotechnology
Rank in Sector
466 of 924
Rank in Industry
274 of 527
Insider Buys Sum
Cluster
Trading
Trading
Insider Buys
Quantity
Quantity
Historical
Profitability
Profitability
Investor
Ownership
Ownership
Largest Insider Buys in Sector
ATRA Insider Trading Activity
ATRA Median Price and Trade Amounts History Chart
Statistics of Insider Transactions
Amount of Insider Buys and Sells
Buys | $0 | 0 | 0 |
Sells | $267,973 | 16 | 100 |
Related Transactions
| Murugan Amar | EVP, Chief Legal Officer | 0 | $0 | 2 | $27,668 | $-27,668 |
| Henrich Jill | EVP, Global Head RA & Quality | 0 | $0 | 4 | $40,880 | $-40,880 |
| Hyllengren Eric J | EVP, CFO | 0 | $0 | 4 | $48,516 | $-48,516 |
| Touchon Pascal | President and CEO | 0 | $0 | 2 | $70,428 | $-70,428 |
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 0 | $0 | 4 | $80,481 | $-80,481 |
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 $267,973 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.
| 2025-03-03 | Sale | Nguyen AnhCo | President and CEO | 3,331 0.0578% | $7.00 | $23,307 | -1.57% | |
| 2025-03-03 | Sale | Hyllengren Eric J | EVP, CFO and COO | 1,211 0.021% | $7.00 | $8,473 | -1.57% | |
| 2025-03-03 | Sale | Henrich Jill | EVP, Chief Regulatory Officer | 1,059 0.0184% | $7.00 | $7,410 | -1.57% | |
| 2024-11-18 | Sale | Nguyen AnhCo | President and CEO | 1,664 0.0286% | $11.20 | $18,633 | -12.89% | |
| 2024-11-18 | Sale | Hyllengren Eric J | EVP, CFO and COO | 1,364 0.0234% | $11.20 | $15,274 | -12.89% | |
| 2024-11-18 | Sale | Henrich Jill | EVP, Chief Regulatory Officer | 1,000 0.0172% | $11.20 | $11,198 | -12.89% | |
| 2024-08-16 | Sale | Touchon Pascal | President and CEO | 3,038 0.053% | $6.63 | $20,139 | +23.11% | |
| 2024-08-16 | Sale | Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 1,821 0.0318% | $6.63 | $12,072 | +23.11% | |
| 2024-08-16 | Sale | Murugan Amar | EVP, Chief Legal Officer | 1,158 0.0202% | $6.63 | $7,677 | +23.11% | |
| 2024-08-16 | Sale | Hyllengren Eric J | EVP, CFO | 1,070 0.0187% | $6.63 | $7,093 | +23.11% | |
| 2024-08-16 | Sale | Henrich Jill | EVP, Global Head RA & Quality | 963 0.0168% | $6.63 | $6,384 | +23.11% | |
| 2024-05-16 | Sale | Touchon Pascal | President and CEO | 81,506 0.0671% | $0.62 | $50,289 | -40.03% | |
| 2024-05-16 | Sale | Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 42,899 0.0353% | $0.62 | $26,469 | -40.03% | |
| 2024-05-16 | Sale | Murugan Amar | EVP, Chief Legal Officer | 32,401 0.0267% | $0.62 | $19,991 | -40.03% | |
| 2024-05-16 | Sale | Hyllengren Eric J | EVP, CFO | 28,648 0.0236% | $0.62 | $17,676 | -40.03% | |
| 2024-05-16 | Sale | Henrich Jill | EVP, Global Head RA & Quality | 25,750 0.0212% | $0.62 | $15,888 | -40.03% | |
| 2024-03-04 | Sale | Touchon Pascal | President and CEO | 24,844 0.0185% | $0.72 | $17,888 | -44.73% | |
| 2024-03-04 | Sale | Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 10,746 0.008% | $0.72 | $7,737 | -44.73% | |
| 2024-03-04 | Sale | Murugan Amar | EVP, Chief Legal Officer | 10,044 0.0075% | $0.72 | $7,232 | -44.73% | |
| 2024-03-04 | Sale | Hyllengren Eric J | EVP, CFO | 6,679 0.005% | $0.72 | $4,810 | -44.73% |
Total: 454
*Gray background shows transactions not older than one year
Insider Historical Profitability
73.42%
| Domain Partners VIII, L.P. | 10 percent owner | 2141542 36.5519% | $15.53M | 1 | 0 | +169.68% |
| MARCUS JOEL S | director | 888355 15.1625% | $6.44M | 3 | 3 | +73.99% |
| DOBMEIER ERIC | director | 563325 9.6148% | $4.08M | 4 | 0 | +27.89% |
| Gallagher Carol Giltner | director | 459418 7.8414% | $3.33M | 4 | 18 | +108.51% |
| HEIDEN WILLIAM K | director | 209000 3.5672% | $1.52M | 1 | 0 | +141.65% |
Historical Insider Profitability vs. Competitors
$4,273,853 | 101 | -36.67% | $40.54M | |
$1,695,621 | 55 | 17.90% | $44.47M | |
$15,956,086 | 53 | 5.33% | $46.1M | |
$140,938,207 | 36 | 14.75% | $43.63M | |
$160,539,875 | 21 | -6.57% | $46.76M |
ATRA Institutional Investors: Active Positions
| Increased Positions | 24 | +60% | 184,021 | +7.13% |
| Decreased Positions | 16 | -40% | 398,143 | -15.42% |
| New Positions | 11 | New | 76,544 | New |
| Sold Out Positions | 5 | Sold Out | 212,162 | Sold Out |
| Total Postitions | 48 | +20% | 2M | -8.29% |
ATRA Ownership Change vs Market
Institutional Investor Ownership
Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
| Ecor1 Capital, Llc | $3,677.00 | 8.87% | 532,134 | +63,196 | +13.48% | 2024-12-31 |
| Redmile Group, Llc | $3,052.00 | 7.36% | 441,701 | -10,569 | -2.34% | 2024-12-31 |
| Citadel Advisors Llc | $1,847.00 | 4.46% | 267,353 | +6,873 | +2.64% | 2024-12-31 |
| Bank Of America Corp /De/ | $1,418.00 | 3.42% | 205,170 | +1,543 | +0.76% | 2024-12-31 |
| Vanguard Group Inc | $1,235.00 | 2.98% | 178,782 | -1,933 | -1.07% | 2024-12-31 |
| Vestal Point Capital, Lp | $864.00 | 2.08% | 125,000 | +323 | +0.26% | 2024-12-31 |
| Acadian Asset Management Llc | $860.00 | 2.08% | 124,473 | -4,671 | -3.62% | 2024-12-31 |
| Tang Capital Management Llc | $520.00 | 1.25% | 75,196 | 0 | 0% | 2024-12-31 |
| Renaissance Technologies Llc | $464.00 | 1.12% | 67,140 | -594 | -0.88% | 2024-12-31 |
| Blackrock, Inc. | $420.00 | 1.01% | 60,846 | -108 | -0.18% | 2024-12-31 |
Financial Ratios
Summary
Comparison with Competitors
Analyst Recommendations
Analyst Price Targets
Screener Ideas
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