Musso Alan A
SEC insider (Form 3/4/5 filer). CIK 0001295830. Director at Research Alliance Corp IV (RACD) and 2 other issuers. 4 reported Form 4/5 transactions since Sep 2024; latest on Feb 2, 2026. Located in CAMBRIDGE, MA.
Companies Musso Alan A has filed insider reports for
- Research Alliance Corp IV (RACD): Director
- Fulcrum Therapeutics, Inc. (FULC): Officer, Chief Financial Officer
- Aileron Therapeutics, Inc. (ALRN): Director
Musso Alan A
CIK: 0001295830
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)
- Feb 2, 2026FULC
Fulcrum Therapeutics, Inc.
AwardDirectStock Option (right to buy)
170K shares- - Jul 23, 2025RNTX
Rein Therapeutics, Inc.
AwardDirectStock Option (right to buy)
17.5K shares- - Jan 24, 2025FULC
Fulcrum Therapeutics, Inc.
AwardDirectStock Option (right to buy)
285K shares- - Dec 2, 2024ALRN
Aileron Therapeutics, Inc.
AwardDirectStock Option (right to buy)
35K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Feb 2, 2026 |  FULC Fulcrum Therapeutics, Inc. | Award Stock Option (right to buy) | 170,000 | - | - | Direct |
| Jul 23, 2025 |  RNTX Rein Therapeutics, Inc. | Award Stock Option (right to buy) | 17,500 | - | - | Direct |
| Jan 24, 2025 | FULC Fulcrum Therapeutics, Inc. | Award Stock Option (right to buy) | 285,000 | - | - | Direct |
| Dec 2, 2024 |  ALRN Aileron Therapeutics, Inc. | Award Stock Option (right to buy) | 35,000 | - | - | Direct |
1-4 of 4 transactions