Company: WHWK
Filing Date: 2025-01-21
Form Type: PREM14A
Source: 0001193125-25-009599
Chunk: 759

Company: Whitehawk Therapeutics, Inc.
Filing Date: 2025-01-21
Form: PREM14A
Chunk 759
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/ Andrew Jensen |
|                 |     | Andrew Jensen     |
|                 |     | Managing Director |

[Signature Page to Subscription Agreement] D-44

IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year first above written.

| PURCHASER:                        |     |                         |     |                         |
| ORBIMED GENESIS MASTER FUND, L.P. |     |                         |     |                         |
| By:                               |     | OrbiMed Genesis GP LLC, |     |                         |
|                                   |     | its General Partner,    |     |                         |
| By:                               |     | OrbiMed Genesis GP LLC  |     |                         |
|                                   |     | its Managing Member     |     |                         |
|                                   |     | By:                     |     | /s/ C. Scotland Stevens |
|                                   |     |                         |     | C. Scotland Stevens     |
|                                   |     |                         |     | Member                  |

[Signature Page to Subscription Agreement] D-45

IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year first above written.

| PURCHASER:     |     |                    |
| TAE HAN, PH.D. |     |                    |
| By:            |     | /s/ Tae Han, Ph.D. |
|                |     | Tae Han, Ph.D.     |

[Signature Page to Subscription Agreement] D-46

IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year first above written.

| PURCHASER: |     |                  |
| WZCUBE LLC |     |                  |
| By:        |     | /s/ Baiteng Zhao |
|            |     | Baiteng Zhao     |
|            |     | Manager          |

[Signature Page to Subscription Agreement] D-47

EXHIBIT A PURCHASERS

| Purchaser Name |     | Shares |     | Warrant Shares |     | Subscription Amount |
|:---------------|:----|:-------|:----|:---------------|:----|:--------------------|
| TOTAL:         |     |        |     |                |     | $                   |

D-48

EXHIBIT B

FORM OF PRE-FUNDEDWARRANT

D-49

EXHIBIT C

FORM OF REGISTRATION RIGHTS AGREEMENT