Company: WHWK
Filing Date: 2025-03-31
Form Type: S-3
Source: 0001193125-25-068942
Chunk: 4

Company: Whitehawk Therapeutics, Inc.
Filing Date: 2025-03-31
Form: S-3
Chunk 4
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| INCORPORATION OF CERTAIN INFORMATION BY REFERENCE |     |      | 16 |

ABOUT THIS PROSPECTUS

We urge you to read carefully this prospectus, together with the information incorporated herein by reference as described under the heading “Where You Can Find Additional Information,” before buying any of the securities being offered.

You should rely only on the information contained or
incorporated by reference in this prospectus. We and the selling stockholders have not authorized any other person to provide you with different information. If anyone provides you with different or inconsistent information, you should not rely on
it. This prospectus may only be used where it is legal to offer and sell shares of our common stock. If it is against the law in any jurisdiction to make an offer to sell these shares, or to solicit an offer from someone to buy these shares, then
this prospectus does not apply to any person in that jurisdiction, and no offer or solicitation is made by this prospectus to any such person. You should assume that the information appearing in this prospectus is accurate only as of the date on the
front cover of this prospectus, regardless of the time of delivery of this prospectus or of any sale of common stock. Our business, financial condition, results of operations and prospects may have changed since such date. Information contained on
our website is not a part of this prospectus.

A prospectus supplement may add to, update or change the information contained in this prospectus. You
should read both this prospectus and any applicable prospectus supplement together with additional information described below under the heading “Where You Can Find Additional Information.”

This prospectus contains references to trademarks belonging to other entities. Solely for convenience, trademarks and trade names referred to in this
prospectus, including logos, artwork and other visual displays, may appear without the or symbols, but such
references are not intended to indicate, in any way, that the applicable licensor will not assert, to the fullest extent under applicable law, its rights to these trademarks and trade names. We do not intend our use or display of other
companies’ trade names or trademarks to imply a relationship with, or endorsement or sponsorship of us by, any other companies.

PROSPECTUS SUMMARY

This summary highlights important features of this offering and the information contained elsewhere in or incorporated by reference into this prospectus. Because this is only a summary, it does not contain all of the information that you should consider before investing in