Company: WHWK
Filing Date: 2025-01-21
Form Type: PREM14A
Source: 0001193125-25-009599
Chunk: 536

Company: Whitehawk Therapeutics, Inc.
Filing Date: 2025-01-21
Form: PREM14A
Chunk 536
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2021 Plan, respectively. As of September 30, 2024, and December 31, 2023, 110,000 shares were reserved for issuance under the 2023 Inducement Plan. Restricted Stock Units The value of restricted stock unit awards (RSUs) is based on the Company’s stock price on the date of grant. Employee grants vest over four years. Forfeitures of RSUs are recognized as they occur. The shares underlying the RSU awards are not issued until the RSUs vest. Upon vesting, each RSU converts into one share of the Company’s common stock. Activity with respect to the Company’s restricted stock units during the nine months ended September 30, 2024 is as follows:

|                                        |     | Shares |         |   |     | Weighted Average      
 Grant Date Fair Value |      |
|:---------------------------------------|:----|:-------|--------:|:--|:----|:----------------------|-----:|
| Nonvested shares at January 1, 2024    |     |        |  32,558 |   |     | $                     | 4.30 |
| Granted                                |     |        | 308,700 |   |     |                       | 1.92 |
| Forfeited                              |     |        | (23,850 | ) |     |                       | 1.92 |
| Nonvested shares at current period end |     |        | 317,408 |   |     | $                     | 2.16 |

As of September 30, 2024 there was $0.5 million of unrecognized compensation cost related to restricted stock units, which is expected to be recognized over a weighted average period of 3.4 years. F-53

Compensation Expense Summary The Company recognized the following compensation cost related to employee and non-employeeshare-based compensation activity for the periods presented (in thousands):

|                                     |     | 2024 | Three Months Ended 
      September 30, |     | 2023 |       |     | 2024 | Nine Months Ended 
     September 30, |     | 2023 |       |
|:------------------------------------|:----|:-----|-------------------:|:----|:-----|------:|:----|:-----|------------------:|:----|:-----|------:|
| Selling, general and administrative |     | $    |              1,590 |