Alexander Cumbo

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Cambridge, MA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Adi Osovsky, Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Alexander Cumbo

Form 4 holding President and CEO, Director

Solid Biosciences Inc.

Security class
Restricted Stock Units
Shares / value
60,063
Estimated value
$356,772
Report date
13 Feb 2026
Price
$3.96
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding President and CEO, Director

Solid Biosciences Inc.

Security class
Employee Stock Option (Right to Buy)
Shares / value
509,850
Estimated value
Report date
29 Jan 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Vor Biopharma Inc.

Security class
Stock option (right to buy)
Shares / value
56,345
Estimated value
Report date
11 Jun 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Climb Bio, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
40,000
Estimated value
Report date
05 Jun 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding President and CEO, Director

Solid Biosciences Inc.

Security class
Performance Stock Units
Shares / value
0
Estimated value
Report date
29 Jan 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Alexander Cumbo

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