Form 4 Tracker
Alexander Cumbo

Director; Director, President and CEO · 7 filings · Latest: Sep 23, 2026

Climb Bio, Inc.
Solid Biosciences Inc.
Stoke Therapeutics, Inc.
Vor Biopharma Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
SLDB
Alexander CumboDirector, President and CEOFeb 18, 2026
Sale
$5.8216,644$96.9K235,405
SLDB
Alexander CumboDirector, President and CEOFeb 13, 2026
Option Exercise
—30,031—252,049
SLDB
Cumbo Alexander—Feb 18, 2026
Proposed Sale
$5.8216,644$96.9K—
SLDB
Alexander CumboDirector, President and CEOFeb 4, 2026
Sale
$6.4448,913$315.1K222,018
SLDB
Cumbo Alexander—Feb 4, 2026
Proposed Sale
$6.4448,913$315.1K—
SLDB
Alexander CumboDirector, President and CEOFeb 2, 2026
Sale
$6.4480,258$516.6K270,931
SLDB
Alexander CumboDirector, President and CEOJan 31, 2026
Option Exercise
—100,400—351,189
SLDB
Alexander CumboDirector, President and CEOJan 29, 2026
Option Exercise
—169,401—250,789
SLDB
Cumbo Alexander—Feb 2, 2026
Proposed Sale
$6.4480,258$516.6K—
SLDB
Cumbo Alexander—Dec 3, 2025
Proposed Sale
$5.1110,808$55.2K—
SLDB
Cumbo Alexander—Feb 14, 2025
Proposed Sale
$3.9611,365$45.0K—
SLDB
Cumbo Alexander—Dec 3, 2024
Proposed Sale
$5.6011,114$62.2K—
SLDB
Cumbo Alexander—Dec 3, 2024
Proposed Sale
$5.7910,687$61.9K—