Company: ATRA
Filing Date: 2025-04-28
Form Type: DEF 14A
Source: 0000950170-25-059322
Chunk: 59

Company: Atara Biotherapeutics, Inc.
Filing Date: 2025-04-28
Form: DEF 14A
Chunk 59
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 |     |      | (5  | ) |     |               |      — |     |               |      — |     |          |      — |     |            | — |     |              |  2,589 |     |            |  34,460 |
|            |     | 01/08/2024 |     |      | (9  | ) |     |               |      — |     |               |      — |     |          |      — |     |            | — |     |              | 11,875 |     |            | 158,056 |

(1) Amounts reflect the value of RSUs, each with respect to one share of our common stock, as of December 31, 2024. (2) Represents options issued as an inducement grant under Nasdaq Listing Rule 5635(c)(4) pursuant to the Atara Biotherapeutics, Inc. Third Amended and Restated 2018 Inducement Plan (the “Inducement Plan”). 25% of the shares subject to the options vest upon completion of one year of service, and thereafter, an additional 1/48th of the total number of shares underlying the options vest each month, subject to continuous service. (3) Represents RSUs issued under the Atara Biotherapeutics, Inc. 2014 Equity Incentive Plan (the “2014 Plan”). Approximately 1/16th of the total number of shares underlying the RSUs vest on specific dates that approximately quarterly vesting from the grant date, subject to continuous service. (4) Represents options issued under the 2014 Plan. 1/48th of the total number shares underlying the options vest each month measured from the grant date, subject to continuous service. (5) Represents RSUs issued under the 2014 Plan. 1/12th of the total number of shares under the RSUs vest on specific dates that approximately quarterly vesting from the grant date, subject to continuous service. (6) Represents options issued under the 2014 Plan. 1/36th of the total number shares underlying the options vest each month measured from the grant date, subject to continuous service.

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Represents RSUs issued as an inducement grant under the Nasdaq Listing Rule 5635(c)(4) pursuant to the Inducement Plan. 25% of the shares subject to the RSUs vest upon completion