Cumbo Alexander
SEC insider (Form 3/4/5 filer). CIK 0001685994. Director at Stoke Therapeutics, Inc. (STOK) and 4 other issuers. 27 reported Form 4/5 transactions since Sep 2024; latest on Sep 23, 2026. Located in BEDFORD, MA.
Companies Cumbo Alexander has filed insider reports for
- Stoke Therapeutics, Inc. (STOK): Director
- Vor Biopharma Inc. (VOR): Director
- Climb Bio, Inc. (CLYM): Director
- Solid Biosciences Inc. (SLDB): Director, Officer, President and CEO
- Verve Therapeutics, Inc. (VERV): Director
Cumbo Alexander
CIK: 0001685994
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 (27 total)
- Sep 23, 2026STOK
Stoke Therapeutics, Inc.
AwardDirectDirector Stock Option (Right to Buy)
39.7K shares- - Jun 11, 2026VOR
Vor Biopharma Inc.
AwardDirectStock option (right to buy)
56.3K shares- - Jun 5, 2026CLYM
Climb Bio, Inc.
AwardDirectStock Option (Right to Buy)
40K shares- - Feb 18, 2026SLDB
Solid Biosciences Inc.
SaleDirect16.6K shares at avg. $5.82$97K - Feb 13, 2026SLDB
Solid Biosciences Inc.
ExerciseDirect30K shares- - Feb 4, 2026SLDB
Solid Biosciences Inc.
SaleDirect48.9K shares at avg. $6.44$315K - Feb 2, 2026SLDB
Solid Biosciences Inc.
SaleDirect80.3K shares at avg. $6.44$517K - Jan 31, 2026SLDB
Solid Biosciences Inc.
ExerciseDirect100.4K shares- - Jan 29, 2026SLDB
Solid Biosciences Inc.
AwardDirectRestricted Stock Units
169.4K shares- - Jan 29, 2026SLDB
Solid Biosciences Inc.
ExerciseDirect169.4K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 23, 2026 |  STOK Stoke Therapeutics, Inc. | Award Director Stock Option (Right to Buy) | 39,674 | - | - | Direct |
| Jun 11, 2026 |  VOR Vor Biopharma Inc. | Award Stock option (right to buy) | 56,345 | - | - | Direct |
| Jun 5, 2026 |  CLYM Climb Bio, Inc. | Award Stock Option (Right to Buy) | 40,000 | - | - | Direct |
| Feb 18, 2026 |  SLDB Solid Biosciences Inc. | Sale | 16,644 | $5.82 | $96,923 | Direct |
| Feb 13, 2026 | SLDB Solid Biosciences Inc. | Exercise | 30,031 | - | $0 | Direct |
| Feb 4, 2026 | SLDB Solid Biosciences Inc. | Sale | 48,913 | $6.44 | $315,093 | Direct |
| Feb 2, 2026 | SLDB Solid Biosciences Inc. | Sale | 80,258 | $6.44 | $516,613 | Direct |
| Jan 31, 2026 | SLDB Solid Biosciences Inc. | Exercise | 100,400 | - | $0 | Direct |
| Jan 29, 2026 | SLDB Solid Biosciences Inc. | Award Restricted Stock Units | 169,401 | - | - | Direct |
| Jan 29, 2026 | SLDB Solid Biosciences Inc. | Exercise | 169,401 | - | $0 | Direct |
1-10 of 27 transactions