Castelein Caley bought WHWK

May 14, 2026 · Form 4 insider transaction

Castelein Caley bought 2,072,756 shares of Whitehawk Therapeutics, Inc. at $8124996.24 per share, a transaction worth $16841.13B. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Acquired (buy-side)
Shares
2,072,756
Price
$8124996.24
Total value
$16841.13B
RoleDirector
SecurityPre-Funded Warrant (right to buy)
Transaction codeA: Grant or award
Transaction dateMay 14, 2026
Filing dateMay 18, 2026
Shares owned after2,072,756
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

Subject to the terms and conditions set forth in the Pre-Funded Warrant, the holder thereof may, at any time and from time to time on or after May 14, 2026, exercise the Pre-Funded Warrant until it has been exercised in full. Pursuant to the terms of the Pre-Funded Warrant, the holder cannot exercise any of the Pre-Funded Warrant to the extent the holder and its affiliates, including the Reporting Person, would beneficially own, after any such exercise, more than 4.99% of the outstanding Common Stock.; Pre-Funded Warrant held by KVP Capital, LP. The Reporting Person is the Managing Director of KVP Capital. The Reporting Person disclaims beneficial ownership of the Pre-Funded Warrant held by KVP Capital, except to the extent of his pecuniary interest therein.

View the original Form 4 on SEC EDGAR