Castelein Caley
SEC insider (Form 3/4/5 filer). CIK 0001355758. Director at Whitehawk Therapeutics, Inc. (WHWK) and 1 other issuer. 11 reported Form 4/5 transactions since Sep 2024; latest on Jun 12, 2026. Located in MORRISTOWN, NJ.
Companies Castelein Caley has filed insider reports for
- Whitehawk Therapeutics, Inc. (WHWK): Director
- Tourmaline Bio, Inc. (TRML): Director
Castelein Caley
CIK: 0001355758
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (11 total)
- Jun 12, 2026WHWK
Whitehawk Therapeutics, Inc.
AwardDirectStock Option (right to buy)
38K shares- - May 14, 2026WHWK
Whitehawk Therapeutics, Inc.
AwardDirect255.1K shares at avg. $3.92$1000K - Oct 28, 2025TRML
Tourmaline Bio, Inc.
DispositionDirectEmployee Stock Option (Right to Buy)
10K shares- - Oct 28, 2025TRML
Tourmaline Bio, Inc.
Tender OfferIndirect431.9K shares- - Oct 28, 2025TRML
Tourmaline Bio, Inc.
DispositionDirectEmployee Stock Option (Right to Buy)
10K shares- - Oct 28, 2025TRML
Tourmaline Bio, Inc.
Tender OfferDirect516K shares- - Oct 28, 2025TRML
Tourmaline Bio, Inc.
DispositionDirectEmployee Stock Option (Right to Buy)
16.8K shares- - Oct 15, 2025TRML
Tourmaline Bio, Inc.
GiftDirect522 shares- - Jun 12, 2025WHWK
Whitehawk Therapeutics, Inc.
AwardDirectStock Option (right to buy)
40K shares- - Jun 4, 2025TRML
Tourmaline Bio, Inc.
AwardDirectStock Option (Right to Buy)
16.8K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 12, 2026 |  WHWK Whitehawk Therapeutics, Inc. | Award Stock Option (right to buy) | 38,040 | - | - | Direct |
| May 14, 2026 | WHWK Whitehawk Therapeutics, Inc. | Award | 255,102 | $3.92 | $1,000,000 | Direct |
| Oct 28, 2025 |  TRML Tourmaline Bio, Inc. | Disposition Employee Stock Option (Right to Buy) | 10,000 | - | - | Direct |
| Oct 28, 2025 | TRML Tourmaline Bio, Inc. | Tender Offer | 431,939 | - | - | Indirect |
| Oct 28, 2025 | TRML Tourmaline Bio, Inc. | Disposition Employee Stock Option (Right to Buy) | 10,000 | - | - | Direct |
| Oct 28, 2025 | TRML Tourmaline Bio, Inc. | Tender Offer | 515,997 | - | - | Direct |
| Oct 28, 2025 | TRML Tourmaline Bio, Inc. | Disposition Employee Stock Option (Right to Buy) | 16,800 | - | - | Direct |
| Oct 15, 2025 | TRML Tourmaline Bio, Inc. | Gift | 522 | - | - | Direct |
| Jun 12, 2025 | WHWK Whitehawk Therapeutics, Inc. | Award Stock Option (right to buy) | 40,006 | - | - | Direct |
| Jun 4, 2025 | TRML Tourmaline Bio, Inc. | Award Stock Option (Right to Buy) | 16,800 | - | - | Direct |
1-10 of 11 transactions