Company: WHWK
Filing Date: 2025-01-31
Form Type: DEFM14A
Source: 0001193125-25-018470
Chunk: 243

Company: Whitehawk Therapeutics, Inc.
Filing Date: 2025-01-31
Form: DEFM14A
Chunk 243
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 receive an additional annual 
 cash retainer in the amount of $26,000 per year.                       |

| • |     | The chairperson of the audit committee is entitled to receive additional annual cash compensation in the amount                                                                                                                              
 of $20,000 per year for such chairperson’s service on the audit committee. Each other member of the audit committee is entitled to receive additional annual cash compensation in the amount of $8,000 per year for such member’s service on 
 the audit committee.                                                                                                                                                                                                                         |

| • |     | The chairperson of the compensation committee is entitled to receive additional annual cash compensation in the                                                                                                                               
 amount of $12,000 per year for such chairperson’s service on the compensation committee. Each other member of the compensation committee is entitled to receive additional annual cash compensation in the amount of $6,000 per year for such 
 member’s service on the compensation committee.                                                                                                                                                                                               |

| • |     | The chairperson of the nominating and corporate governance committee is entitled to receive additional annual                                                                                                                                    
 cash compensation in the amount of $9,000 per year for such chairperson’s service on the nominating and corporate governance committee. Each other member of the nominating and corporate governance committee is entitled to receive additional 
 annual cash compensation in the amount of $4,500 per year for such member’s service on the nominating and corporate governance committee.                                                                                                        |

Upon a non-employeedirector’s initial appointment or election to our board of directors, that person will receive an option (the “Initial Grant”) to purchase shares of our common stock with an aggregate grant date fair value as determined in accordance with U.S. generally accepted accounting principles equal to $106,000. The Initial Grant will vest as to one thirty-sixth (1/36) of the shares subject to the Initial Grant on a monthly basis following the Initial Grant’s grant date on the same day of the month as such grant date, subject to continued service through each applicable vesting date. In addition, each non-employeedirector who has been serving as a director for the prior six months and will continue to serve as a director immediately following each annual stockholder meeting, will receive, on the first trading day immediately following the date of such annual stockholder meeting, an option (the “Annual Grant”) to purchase shares of our common stock with an aggregate grant date fair value equal to $58,000. The Annual Grant will fully vest on the earlier of the first anniversary of the applicable grant date or the