ATARA BIOTHERAPEUTICS, INC. Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
ATARA BIOTHERAPEUTICS, INC. (ATRA) reported Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate of 114.20% for the 12-month period ending 2024-12-31, per its 10-K filed 2026-03-16.
Financial Statements › Notes › Compensation Related Costs › Share-Based Payment Arrangement, Disclosure › Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate · last filed 2026-03-16
- ATARA BIOTHERAPEUTICS, INC. share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate for fiscal 2024 was 114.20%, a 36.11% increase from fiscal 2023.
- ATARA BIOTHERAPEUTICS, INC. share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate for fiscal 2023 was 83.90%, a 14.62% increase from fiscal 2022.
- ATARA BIOTHERAPEUTICS, INC. share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate for fiscal 2022 was 73.20%, a 3.56% decline from fiscal 2021.
- ATARA BIOTHERAPEUTICS, INC. share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate for fiscal 2021 was 75.90%, a 1.17% decline from fiscal 2020.
| Period end | Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 12 month |
|---|---|
| 2024-12-31 | 114.20% 10-K · filed 2026-03-16 |
| 2023-12-31 | 83.90% 10-K · filed 2025-03-07 |
| 2022-12-31 | 73.20% 10-K · filed 2024-03-28 |
| 2021-12-31 | 75.90% 10-K · filed 2023-02-08 |
| 2020-12-31 | 76.80% 10-K · filed 2023-02-08 |
| 2019-12-31 | 76.10% 10-K · filed 2022-02-28 |
| 2018-12-31 | 73.50% 10-K · filed 2021-03-01 |
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