Whiting Nancy
SEC insider (Form 3/4/5 filer). CIK 0001880609. Director at Boundless Bio, Inc. (BOLD) and 1 other issuer. 4 reported Form 4/5 transactions since Sep 2024; latest on Jun 15, 2026. Located in LA JOLLA, CA.
Companies Whiting Nancy has filed insider reports for
- Boundless Bio, Inc. (BOLD): Director
- Caribou Biosciences, Inc. (CRBU): Director
Whiting Nancy
CIK: 0001880609
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 (4 total)
- Jun 15, 2026BOLD
Boundless Bio, Inc.
AwardDirectStock Option (right to buy)
32K shares- - Feb 20, 2026CRBU
Caribou Biosciences, Inc.
AwardDirectOption to purchase Common Stock
45K shares- - Jun 23, 2025BOLD
Boundless Bio, Inc.
AwardDirectStock Option (right to buy)
16K shares- - Feb 20, 2025CRBU
Caribou Biosciences, Inc.
AwardDirectOption to purchase Common Stock
40.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 15, 2026 |  BOLD Boundless Bio, Inc. | Award Stock Option (right to buy) | 32,000 | - | - | Direct |
| Feb 20, 2026 |  CRBU Caribou Biosciences, Inc. | Award Option to purchase Common Stock | 45,000 | - | - | Direct |
| Jun 23, 2025 | BOLD Boundless Bio, Inc. | Award Stock Option (right to buy) | 16,000 | - | - | Direct |
| Feb 20, 2025 | CRBU Caribou Biosciences, Inc. | Award Option to purchase Common Stock | 40,500 | - | - | Direct |
1-4 of 4 transactions