Fairey William
SEC insider (Form 3/4/5 filer). CIK 0001727275. Director at Frazier Life Sciences Acquisition Corp. II (FLSC) and 4 other issuers. 13 reported Form 4/5 transactions since Sep 2024; latest on Jun 15, 2026. Located in PALO ALTO, CA.
Companies Fairey William has filed insider reports for
- Frazier Life Sciences Acquisition Corp. II (FLSC): Director
- Mirum Pharmaceuticals, Inc. (MIRM): Director
- KalVista Pharmaceuticals, Inc. (KALV): Director
- Ascendis Pharma A/S (ASND): Director
- Aileron Therapeutics, Inc. (ALRN): Director
Fairey William
CIK: 0001727275
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 (13 total)
- Jun 15, 2026MIRM
Mirum Pharmaceuticals, Inc.
AwardDirectDeferred Stock Units
2K shares- - Jun 15, 2026MIRM
Mirum Pharmaceuticals, Inc.
AwardDirectStock Option (right to buy)
3.8K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
DispositionDirectStock Option (Right to Buy)
17K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
DispositionDirectStock Option (Right to Buy)
10K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
DispositionDirectStock Option (Right to Buy)
30K shares- - Oct 1, 2025KALV
KalVista Pharmaceuticals, Inc.
AwardDirectStock Option (right to buy)
30K shares- - Jul 23, 2025RNTX
Rein Therapeutics, Inc.
AwardDirectStock Option (right to buy)
17.5K shares- - Jun 11, 2025MIRM
Mirum Pharmaceuticals, Inc.
SaleDirect3.2K shares at avg. $48.42$155K - May 29, 2025MIRM
Mirum Pharmaceuticals, Inc.
ExerciseDirect5.7K shares- - May 29, 2025MIRM
Mirum Pharmaceuticals, Inc.
AwardDirectStock Option (right to buy)
6.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 15, 2026 |  MIRM Mirum Pharmaceuticals, Inc. | Award Deferred Stock Units | 1,980 | - | - | Direct |
| Jun 15, 2026 | MIRM Mirum Pharmaceuticals, Inc. | Award Stock Option (right to buy) | 3,772 | - | - | Direct |
| Jun 11, 2026 |  KALV KalVista Pharmaceuticals, Inc. | Disposition Stock Option (Right to Buy) | 17,000 | - | - | Direct |
| Jun 11, 2026 | KALV KalVista Pharmaceuticals, Inc. | Disposition Stock Option (Right to Buy) | 10,000 | - | - | Direct |
| Jun 11, 2026 | KALV KalVista Pharmaceuticals, Inc. | Disposition Stock Option (Right to Buy) | 30,000 | - | - | Direct |
| Oct 1, 2025 | KALV KalVista Pharmaceuticals, Inc. | Award Stock Option (right to buy) | 30,000 | - | - | Direct |
| Jul 23, 2025 |  RNTX Rein Therapeutics, Inc. | Award Stock Option (right to buy) | 17,500 | - | - | Direct |
| Jun 11, 2025 | MIRM Mirum Pharmaceuticals, Inc. | Sale | 3,203 | $48.42 | $155,091 | Direct |
| May 29, 2025 | MIRM Mirum Pharmaceuticals, Inc. | Exercise | 5,703 | - | - | Direct |
| May 29, 2025 | MIRM Mirum Pharmaceuticals, Inc. | Award Stock Option (right to buy) | 6,268 | - | - | Direct |
1-10 of 13 transactions