Atara Biotherapeutics, Inc. Stock: price and management transactions · United States · SEC (Form 4)Follow the Atara Biotherapeutics, Inc. stock price and the full directors' dealings record of the company, a listed issuer based in United States. Shares are quoted on the US market, under the authority of SEC (Form 4). Operating in the Healthcare & Pharma sector, Atara Biotherapeutics, Inc. has logged 163 insider filings. Market capitalisation: €76.1m. The latest transaction was filed on 4 September 2026 (Acquisition). Among the most active insiders: Touchon Pascal. The full history is accessible without an account.
This score ranks the purchase within its own market. No market currently meets the historical allocation criteria, so signals remain watch-only. Not investment advice.
Fundamental score
Ranked 1,735 of 29,064 companies
FCF yld -67%
Earn yld 43%
EV/EBITDA 2.2x
ROE ·
Gross mgn 82%
Net mgn 27%
Debt/EBITDA 0.3x
Pillars 2/3
Transparent value + quality ranking, distinct from the insider signal.
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Last declaration on 4 September 2026
All Executives163 Thresholds0 Prospectus0 Other0
Declarations 163 total
▲ Director · Executives · 4 Sept 2026
104,166 shares @ US$9.60 1.31% mcap 100.0% of flow Common Stock SEC:0000905148-26-004085:0
Canonical exit: 3 Dec 2026 (T+90) ◆ President and CEO · Executives · 9 Mar 2026
81,100 shares 0Common Stock SEC:0000905148-26-001225:0
◆ Chief Accounting Officer · Executives · 9 Mar 2026
20,300 shares 0Common Stock SEC:0000905148-26-001224:0
▼ Chief Accounting Officer · Executives · 2 Mar 2026
24 shares @ US$5.077 0.8% of flow Common Stock SEC:0000905148-26-001144:0
▼ President and CEO · Executives · 2 Mar 2026
198 shares @ US$5.079 0.7% of flow Common Stock SEC:0000905148-26-001143:0
80,554 shares @ US$6.0707 42.2% of flow Common Stock SEC:0001193125-26-013358:0
▲ 10% Owner · Executives · 15 Aug 2025
55,000 shares @ US$12.1895 100.0% of flow Common Stock SEC:0000950170-25-110310:0
Canonical exit: 13 Nov 2025 (T+90) ▼ Chief Accounting Officer · Executives · 16 May 2025
2,218 shares @ US$6.763 100.0% of flow Common Stock SEC:0000905148-25-001866:0
▼ President and CEO · Executives · 16 May 2025
3,276 shares @ US$6.763 17.3% of flow Common Stock SEC:0000905148-25-001865:0
◆ Director · Executives · 16 May 2025
75,572 shares @ US$6.61 100.0% of flow Common Stock SEC:0001104659-25-050116:0
▼ EVP, Chief Regulatory Officer · Executives · 3 Mar 2025
1,059 shares @ US$6.997 15.4% of flow Common Stock SEC:0000905148-25-000863:0
▼ EVP, CFO and COO · Executives · 3 Mar 2025
1,211 shares @ US$6.997 11.3% of flow Common Stock SEC:0000905148-25-000864:0
▼ President and CEO · Executives · 3 Mar 2025
3,331 shares @ US$6.997 19.6% of flow Common Stock SEC:0000905148-25-000865:0
◆ EVP, CFO and COO · Executives · 27 Jan 2025
34,050 shares 0Common Stock SEC:0000905148-25-000245:0
▼ EVP, Chief Regulatory Officer · Executives · 18 Nov 2024
1,000 shares @ US$11.198 23.0% of flow Common Stock SEC:0000905148-24-003243:0
▼ EVP, CFO and COO · Executives · 18 Nov 2024
1,364 shares @ US$11.198 20.1% of flow Common Stock SEC:0000905148-24-003242:0
▼ President and CEO · Executives · 18 Nov 2024
1,664 shares @ US$11.198 15.5% of flow Common Stock SEC:0000905148-24-003241:0
◆ President and CEO · Executives · 9 Sept 2024
45,000 shares 0Common Stock SEC:0000905148-24-002545:0
▼ EVP, Chief Sci. & Tech Officer · Executives · 16 Aug 2024
1,468 shares @ US$6.629 7.8% of flow Common Stock SEC:0000905148-24-002305:0
▼ EVP, Chief Legal Officer · Executives · 16 Aug 2024
877 shares @ US$6.629 1.8% of flow Common Stock SEC:0000905148-24-002304:0
▼ EVP, Global Head RA & Quality · Executives · 16 Aug 2024
831 shares @ US$6.629 10.9% of flow Common Stock SEC:0000905148-24-002302:0
▼ EVP, CFO · Executives · 16 Aug 2024
1,041 shares @ US$6.629 8.7% of flow Common Stock SEC:0000905148-24-002303:0
▼ President and CEO · Executives · 16 Aug 2024
2,762 shares @ US$6.629 1.4% of flow Common Stock SEC:0000905148-24-002306:0
▼ EVP, Global Head RA & Quality · Executives · 16 Aug 2024
132 shares @ US$6.631 1.7% of flow Common Stock SEC:0000905148-24-002302:1
▼ EVP, CFO · Executives · 16 Aug 2024
29 shares @ US$6.631 0.2% of flow Common Stock SEC:0000905148-24-002303:1
25 of 163 declarations
Load more (138 remaining) 关于 Atara Biotherapeutics, Inc. Atara Biotherapeutics, Inc. (股票代码:ATRA) 是一家在美国纳斯达克市场上市的生物技术公司,专注于异体T细胞免疫疗法。公司成立于2012年8月,其科学特性围绕爱泼斯坦-巴尔病毒(EBV)T细胞平台构建,旨在开发可预先制造并比定制自体疗法更快给药的现成细胞疗法。Atara总部位于加利福尼亚州千橡市,历史上一直保持在南加州运营和生产,研究根基在南旧金山地区,并在千橡市设有一个专门的细胞疗法生产基地。
Atara的商业模式已从单一资产故事演变为以平台驱动的生物技术公司,专注于肿瘤学和自身免疫疾病的高度专业化免疫细胞疗法。其最著名的项目是tabelecleucel,在欧洲以Ebvallo销售,旨在治疗EBV阳性移植后淋巴增殖性疾病(EBV+ PTLD),并一直是公司监管和商业的重点。该平台战略也已扩展到异体CAR-T开发,最著名的是ATA3219,这是一种抗CD19候选药物,正在肿瘤学和自身免疫适应症中推进。公司更长期的目标是利用其基于EBV的制造和细胞工程技术,在未满足医疗需求高的领域创造差异化疗法。
竞争定位最好理解为小众但可能意义重大。Atara不是一家广泛的商业制药公司;相反,它在先进细胞疗法领域与大型肿瘤学公司、细胞疗法专家以及开发下一代免疫疗法的生物技术公司竞争。其差异化在于其异体、现成的方法,旨在提高可扩展性、便利性,并可能降低与个体化细胞疗法相关的成本。尽管如此,公司的市场地位仍然高度依赖于临床执行、监管结果和合作经济效益。
最近的发展具有实质性意义。在2025年和2026年,Atara强调了主要的成本削减措施、精简的运营模式和延长的现金流。公司还报告称,tab-cel活动的很大一部分,包括BLA赞助,已转移给Pierre Fabre Laboratories。一个关键的监管里程碑是FDA接受了tabelecleucel的生物制品许可申请,PDUFA目标行动日期为2026年1月10日。更广泛地说,管理层强调支持其合作伙伴Pierre Fabre,同时继续将ATA3219定位为下一个重要的价值驱动因素。对于投资者而言,Atara仍然是一家高风险、催化剂驱动的生物技术公司,拥有差异化的科学平台,但规模有限,并且高度依赖即将到来的临床、监管和融资事件。