GREY MICHAEL G
SEC insider (Form 3/4/5 filer). CIK 0001240122. Director at OnKure Therapeutics, Inc. (OKUR) and 2 other issuers. 29 reported Form 4/5 transactions since Sep 2024; latest on Aug 7, 2026. Located in BOULDER, CO.
Companies GREY MICHAEL G has filed insider reports for
- OnKure Therapeutics, Inc. (OKUR): Director
- Mirum Pharmaceuticals, Inc. (MIRM): Director
- SPRUCE BIOSCIENCES, INC. (SPRB): Director, Officer, Executive Chairman
GREY MICHAEL G
CIK: 0001240122
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 (29 total)
- Aug 7, 2026OKUR
OnKure Therapeutics, Inc.
AwardDirectStock Option (right to buy)
22.4K shares- - Jun 15, 2026MIRM
Mirum Pharmaceuticals, Inc.
AwardDirectRestricted Stock Units
2K shares- - Jun 15, 2026MIRM
Mirum Pharmaceuticals, Inc.
AwardDirectStock Option (right to buy)
3.8K shares- - Jun 4, 2026OKUR
OnKure Therapeutics, Inc.
AwardDirectStock Option (right to buy)
7.7K shares- - May 21, 2026SPRB
SPRUCE BIOSCIENCES, INC.
AwardDirectStock Option (Right to Buy)
1.7K shares- - Dec 19, 2025MIRM
Mirum Pharmaceuticals, Inc.
ExerciseDirect50K shares at avg. $2.94$147K - Dec 19, 2025MIRM
Mirum Pharmaceuticals, Inc.
SaleDirect50K shares at avg. $78.00$3.9M - Dec 11, 2025SPRB
SPRUCE BIOSCIENCES, INC.
DispositionDirectStock Option (Right to Buy)
1.3K shares- - Dec 11, 2025SPRB
SPRUCE BIOSCIENCES, INC.
AwardDirectStock Option (Right to Buy)
1.5K shares- - Dec 11, 2025SPRB
SPRUCE BIOSCIENCES, INC.
AwardDirectStock Option (Right to Buy)
1.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 7, 2026 |  OKUR OnKure Therapeutics, Inc. | Award Stock Option (right to buy) | 22,350 | - | - | Direct |
| Jun 15, 2026 |  MIRM Mirum Pharmaceuticals, Inc. | Award Restricted Stock Units | 1,980 | - | - | Direct |
| Jun 15, 2026 | MIRM Mirum Pharmaceuticals, Inc. | Award Stock Option (right to buy) | 3,772 | - | - | Direct |
| Jun 4, 2026 | OKUR OnKure Therapeutics, Inc. | Award Stock Option (right to buy) | 7,650 | - | - | Direct |
| May 21, 2026 |  SPRB SPRUCE BIOSCIENCES, INC. | Award Stock Option (Right to Buy) | 1,700 | - | - | Direct |
| Dec 19, 2025 | MIRM Mirum Pharmaceuticals, Inc. | Exercise | 50,000 | $2.94 | $146,800 | Direct |
| Dec 19, 2025 | MIRM Mirum Pharmaceuticals, Inc. | Sale | 50,000 | $78.00 | $3,900,000 | Direct |
| Dec 11, 2025 | SPRB SPRUCE BIOSCIENCES, INC. | Disposition Stock Option (Right to Buy) | 1,255 | - | - | Direct |
| Dec 11, 2025 | SPRB SPRUCE BIOSCIENCES, INC. | Award Stock Option (Right to Buy) | 1,499 | - | - | Direct |
| Dec 11, 2025 | SPRB SPRUCE BIOSCIENCES, INC. | Award Stock Option (Right to Buy) | 1,255 | - | - | Direct |
1-10 of 29 transactions