$337M | ||
$259M | ||
$79M | ||
$76M | ||
$60M | ||
$58M |
Buys | $0 | 0 | 0 |
Sells | $174,816 | 13 | 100 |
Murugan Amar | EVP, Chief Legal Officer | 0 | $0 | 1 | $7,677 | $-7,677 |
Grant-Huerta Yanina | Chief Accounting Officer | 0 | $0 | 1 | $15,000 | $-15,000 |
Touchon Pascal | President and CEO | 0 | $0 | 1 | $20,139 | $-20,139 |
Henrich Jill | EVP, Global Head RA & Quality | 0 | $0 | 3 | $24,992 | $-24,992 |
Hyllengren Eric J | EVP, CFO | 0 | $0 | 3 | $30,841 | $-30,841 |
Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 0 | $0 | 4 | $76,168 | $-76,168 |
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 and solid tumors, including ATA2271 and ATA3271 for mesothelin; and ATA2431 and ATA3219 for B-cell malignancies, as well as ATA188 for the treatment of multiple sclerosis. In addition, it develops ATA368 program for patients with human papillomavirus associated cancers. Atara Biotherapeutics, Inc. has a license agreement with Memorial Sloan Kettering Cancer Center; license, and research and development collaboration agreement with QIMR Berghofer Medical Research Institute; and strategic collaboration with H. Lee Moffitt Cancer Center, as well as Bayer AG for mesothelin-targeted CAR T-cell therapies for solid tumors. The company was incorporated in 2012 and is headquartered in South San Francisco, California.
Over the last 12 months, insiders at Atara Biotherapeutics, Inc. have bought $0 and sold $174,816 worth of Atara Biotherapeutics, Inc. stock.
On average, over the past 5 years, insiders at Atara Biotherapeutics, Inc. have bought $347,627 and sold $1.02M 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.
2025-05-16 | Sale | Nguyen AnhCo | President and CEO | 3,276 0.0543% | $6.76 | $22,156 | ||
2025-05-16 | Sale | Grant-Huerta Yanina | Chief Accounting Officer | 2,218 0.0368% | $6.76 | $15,000 | ||
2025-03-03 | Sale | Nguyen AnhCo | President and CEO | 3,331 0.0578% | $7.00 | $23,307 | -1.71% | |
2025-03-03 | Sale | Hyllengren Eric J | EVP, CFO and COO | 1,211 0.021% | $7.00 | $8,473 | -1.71% | |
2025-03-03 | Sale | Henrich Jill | EVP, Chief Regulatory Officer | 1,059 0.0184% | $7.00 | $7,410 | -1.71% | |
2024-11-18 | Sale | Nguyen AnhCo | President and CEO | 1,664 0.0286% | $11.20 | $18,633 | -33.68% | |
2024-11-18 | Sale | Hyllengren Eric J | EVP, CFO and COO | 1,364 0.0234% | $11.20 | $15,274 | -33.68% | |
2024-11-18 | Sale | Henrich Jill | EVP, Chief Regulatory Officer | 1,000 0.0172% | $11.20 | $11,198 | -33.68% | |
2024-08-16 | Sale | Touchon Pascal | President and CEO | 3,038 0.053% | $6.63 | $20,139 | +14.55% | |
2024-08-16 | Sale | Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 1,821 0.0318% | $6.63 | $12,072 | +14.55% | |
2024-08-16 | Sale | Murugan Amar | EVP, Chief Legal Officer | 1,158 0.0202% | $6.63 | $7,677 | +14.55% | |
2024-08-16 | Sale | Hyllengren Eric J | EVP, CFO | 1,070 0.0187% | $6.63 | $7,093 | +14.55% | |
2024-08-16 | Sale | Henrich Jill | EVP, Global Head RA & Quality | 963 0.0168% | $6.63 | $6,384 | +14.55% | |
2024-05-16 | Sale | Touchon Pascal | President and CEO | 81,506 0.0671% | $0.62 | $50,289 | -44.53% | |
2024-05-16 | Sale | Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 42,899 0.0353% | $0.62 | $26,469 | -44.53% | |
2024-05-16 | Sale | Murugan Amar | EVP, Chief Legal Officer | 32,401 0.0267% | $0.62 | $19,991 | -44.53% | |
2024-05-16 | Sale | Hyllengren Eric J | EVP, CFO | 28,648 0.0236% | $0.62 | $17,676 | -44.53% | |
2024-05-16 | Sale | Henrich Jill | EVP, Global Head RA & Quality | 25,750 0.0212% | $0.62 | $15,888 | -44.53% | |
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% |
Nguyen AnhCo | President and CEO | 70847 1.1884% | $495,929.00 | 0 | 9 | |
Touchon Pascal | President and CEO | 70127 1.1764% | $490,889.00 | 0 | 22 | |
Hyllengren Eric J | EVP, CFO and COO | 56231 0.9433% | $393,617.00 | 0 | 8 | |
Grant-Huerta Yanina | Chief Accounting Officer | 37067 0.6218% | $259,469.00 | 0 | 1 | |
Murugan Amar | EVP, Chief Legal Officer | 26827 0.45% | $187,789.00 | 0 | 14 | |
Henrich Jill | EVP, Chief Regulatory Officer | 18679 0.3133% | $130,753.00 | 0 | 7 | |
Domain Partners VIII, L.P. | 10 percent owner | 2141542 35.9235% | $14.99M | 1 | 0 | +169.68% |
MARCUS JOEL S | director | 888355 14.9018% | $6.22M | 3 | 3 | +73.99% |
DOBMEIER ERIC | director | 563325 9.4496% | $3.94M | 4 | 0 | +27.89% |
Gallagher Carol Giltner | director | 459418 7.7066% | $3.22M | 4 | 18 | +108.51% |
Dupont Jakob | EVP, Head of R&D | 290794 4.878% | $2.04M | 0 | 12 | |
Ciechanover Isaac E. | Chief Executive Officer | 290687 4.8762% | $2.03M | 0 | 187 | |
Banard Charlene A. | EVP, Chief Technical Officer | 276010 4.63% | $1.93M | 0 | 1 | |
Haqq Christopher | EVP, R&D & Chief Scientific Of | 271943 4.5617% | $1.9M | 0 | 35 | |
Soffer Gad | EVP & Chief Strategy Officer | 256236 4.2983% | $1.79M | 0 | 18 | |
HEIDEN WILLIAM K | director | 209000 3.5059% | $1.46M | 1 | 0 | +141.65% |
Koppikar Utpal | Chief Financial Officer | 181978 3.0526% | $1.27M | 1 | 21 | <0.0001% |
Joshi Manher | EVP, Chief Medical Officer | 171284 2.8732% | $1.2M | 0 | 2 | |
Yarema Kristin | Chief Commercial Officer | 125882 2.1116% | $881,174.00 | 2 | 1 | +0.58% |
Newell Joe | Chief Operations Officer | 113097 1.8972% | $791,679.00 | 0 | 35 | |
Clark Mitchall G. | EVP & Chief R & QA Officer | 107972 1.8112% | $755,804.00 | 0 | 13 | |
MCGRATH JOHN | EVP & Chief Financial Officer | 88762 1.4889% | $621,334.00 | 0 | 25 | |
Turner Heather D | Former EVP, GC & Sec. | 69494 1.1657% | $486,458.00 | 0 | 2 | |
Fust Matthew K | director | 31500 0.5284% | $220,500.00 | 0 | 2 | |
Porter Derrell | SVP, Head of Global Commercial | 21688 0.3638% | $151,816.00 | 0 | 3 | |
DP VIII Associates, L.P. | 10 percent owner | 15890 0.2665% | $111,230.00 | 1 | 0 | +169.68% |
$12,784,645 | 193 | 20.49% | $44.96M | |
$155,580,641 | 77 | -24.21% | $43.1M | |
$14,315,062 | 61 | -6.21% | $38.17M | |
$2,239,226 | 28 | 3.41% | $46.38M | |
$20,234,041 | 17 | 2.09% | $44.54M | |
$47,863,113 | 17 | -22.07% | $41.16M | |
Atara Biotherapeutics, Inc. (ATRA) | $7,733,516 | 17 | 73.42% | $41.73M |
$1,044,754 | 13 | -23.07% | $48.06M | |
$31,978,951 | 10 | -70.03% | $46.51M | |
$232,423 | 8 | 14.22% | $44.62M | |
$22,090,972 | 7 | -3.49% | $38.03M | |
$17,872,846 | 6 | -27.97% | $45.49M | |
$106,599,960 | 6 | -7.63% | $48.36M | |
$149,996 | 5 | 16.26% | $38.09M | |
$657,791 | 4 | -52.05% | $41.7M | |
$105,079 | 4 | -41.57% | $41.5M | |
$67,369,250 | 3 | -22.09% | $39.19M | |
$26,374 | 2 | -53.61% | $38.98M | |
$150,000 | 1 | 5.48% | $37.53M |
Increased Positions | 13 | +20% | 172,370 | +6.78% |
Decreased Positions | 27 | -41.54% | 618,379 | -24.33% |
New Positions | 5 | New | 61,021 | New |
Sold Out Positions | 14 | Sold Out | 487,817 | Sold Out |
Total Postitions | 51 | -21.54% | 2M | -17.55% |
Ecor1 Capital, Llc | $4,161.00 | 8.87% | 532,134 | +63,196 | +13.48% | 2024-12-31 |
Redmile Group, Llc | $3,454.00 | 7.36% | 441,701 | -10,569 | -2.34% | 2024-12-31 |
Citadel Advisors Llc | $2,091.00 | 4.46% | 267,353 | +6,873 | +2.64% | 2024-12-31 |
Bank Of America Corp /De/ | $1,604.00 | 3.42% | 205,170 | +1,543 | +0.76% | 2024-12-31 |
Vanguard Group Inc | $1,398.00 | 2.98% | 178,782 | -1,933 | -1.07% | 2024-12-31 |
Vestal Point Capital, Lp | $978.00 | 2.08% | 125,000 | +323 | +0.26% | 2024-12-31 |
Acadian Asset Management Llc | $973.00 | 2.08% | 124,473 | -4,671 | -3.62% | 2024-12-31 |
Tang Capital Management Llc | $588.00 | 1.25% | 75,196 | 0 | 0% | 2024-12-31 |
Renaissance Technologies Llc | $525.00 | 1.12% | 67,140 | -594 | -0.88% | 2024-12-31 |
Blackrock, Inc. | $475.00 | 1.01% | 60,798 | -48 | -0.08% | 2025-03-31 |