RASTETTER WILLIAM H
SEC insider (Form 3/4/5 filer). CIK 0001205903. Director at Iambic Therapeutics, Inc. (IAM) and 4 other issuers. 20 reported Form 4/5 transactions since Sep 2024; latest on Oct 16, 2026. Located in SAN DIEGO, CA.
Companies RASTETTER WILLIAM H has filed insider reports for
- Iambic Therapeutics, Inc. (IAM): Director
- Dare Bioscience, Inc. (DARE): Director
- FATE THERAPEUTICS INC (FATE): Director
- NEUROCRINE BIOSCIENCES INC (NBIX): Director
- Regulus Therapeutics Inc. (RGLS): Director
RASTETTER WILLIAM H
CIK: 0001205903
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 (20 total)
- Oct 16, 2026IAM
Iambic Therapeutics, Inc.
ConversionIndirect8.3K shares- - Oct 16, 2026IAM
Iambic Therapeutics, Inc.
ConversionIndirect192.6K shares- - Oct 14, 2026IAM
Iambic Therapeutics, Inc.
AwardDirectStock Option (right to buy)
40.6K shares- - Jun 30, 2026DARE
Dare Bioscience, Inc.
AwardDirect38.9K shares- - Jun 12, 2026FATE
FATE THERAPEUTICS INC
AwardDirectStock Option (Right to Buy)
87.9K shares- - Jun 11, 2026DARE
Dare Bioscience, Inc.
AwardDirectStock Option (right to buy)
10K shares- - May 27, 2026NBIX
NEUROCRINE BIOSCIENCES INC
AwardDirectRestriced Stock Unit
2.6K shares- - May 21, 2026NBIX
NEUROCRINE BIOSCIENCES INC
ExerciseDirect3.3K shares- - May 5, 2026FATE
FATE THERAPEUTICS INC
ExerciseDirect25K shares at avg. $1.69$42K - Nov 5, 2025NBIX
NEUROCRINE BIOSCIENCES INC
ExerciseDirect18K shares at avg. $47.89$862K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 16, 2026 |  IAM Iambic Therapeutics, Inc. | Conversion | 8,341 | - | $0 | Indirect |
| Oct 16, 2026 | IAM Iambic Therapeutics, Inc. | Conversion | 192,579 | - | $0 | Indirect |
| Oct 14, 2026 | IAM Iambic Therapeutics, Inc. | Award Stock Option (right to buy) | 40,600 | - | - | Direct |
| Jun 30, 2026 |  DARE Dare Bioscience, Inc. | Award | 38,862 | - | $0 | Direct |
| Jun 12, 2026 |  FATE FATE THERAPEUTICS INC | Award Stock Option (Right to Buy) | 87,900 | - | - | Direct |
| Jun 11, 2026 | DARE Dare Bioscience, Inc. | Award Stock Option (right to buy) | 10,000 | - | - | Direct |
| May 27, 2026 |  NBIX NEUROCRINE BIOSCIENCES INC | Award Restriced Stock Unit | 2,567 | - | - | Direct |
| May 21, 2026 | NBIX NEUROCRINE BIOSCIENCES INC | Exercise | 3,318 | - | $0 | Direct |
| May 5, 2026 | FATE FATE THERAPEUTICS INC | Exercise | 25,000 | $1.69 | $42,250 | Direct |
| Nov 5, 2025 | NBIX NEUROCRINE BIOSCIENCES INC | Exercise | 18,000 | $47.89 | $862,020 | Direct |
1-10 of 20 transactions