Cumbo Alexander

CIK 00016859946 companiesCHARLESTOWN, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001685994

Recent Transactions

50 trades

Sale
Solid Biosciences Inc.$SLDB
Common Stock
2026-02-18$5.82/sh−16,644→ 235,405 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2026-02-13−30,031→ 60,063 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Common Stock
2026-02-13+30,031→ 252,049 total
Sale
Solid Biosciences Inc.$SLDB
Common Stock
2026-02-04$6.44/sh−48,913→ 222,018 total
Sale
Solid Biosciences Inc.$SLDB
Common Stock
2026-02-02$6.44/sh−80,258→ 270,931 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2026-01-31−100,400→ 301,200 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Common Stock
2026-01-31+100,400→ 351,189 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Common Stock
2026-01-29+169,401→ 250,789 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Performance Stock Units
2026-01-29−169,401→ 0 total
Award
Solid Biosciences Inc.$SLDB
Employee Stock Option (Right to Buy)
2026-01-29+509,850→ 509,850 total
Award
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2026-01-29+254,900→ 254,900 total
Sale
Solid Biosciences Inc.$SLDB
Common Stock
2025-12-03$5.11/sh−10,808→ 81,388 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Common Stock
2025-12-02+28,612→ 92,196 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2025-12-02−28,612→ 28,613 total
Award
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2025-08-14+168,750→ 168,750 total
Award
Solid Biosciences Inc.$SLDB
Employee Stock Option (Right to Buy)
2025-08-14+337,500→ 337,500 total
Disposition to Issuer
Verve Therapeutics, Inc.
Stock Option (right to buy)
2025-07-25−42,200→ 0 total
Disposition to Issuer
Verve Therapeutics, Inc.
Stock Option (right to buy)
2025-07-25−136,139→ 0 total
Award
Vor Biopharma Inc.$VOR
Stock Option (right to buy)
2025-07-16+60,000→ 60,000 total
Award
Verve Therapeutics, Inc.
Stock Option (right to buy)
2025-06-05+42,200→ 42,200 total
Award
Climb Bio, Inc.$CLYM
Stock Option (Right to Buy)
2025-06-04+40,000→ 40,000 total
Award
Climb Bio, Inc.$CLYM
Stock Option (Right to Buy)
2025-03-28+80,000→ 80,000 total
Sale
Solid Biosciences Inc.$SLDB
Common Stock
2025-02-14$3.96/sh−11,365→ 60,717 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2025-02-13−30,031→ 90,094 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Common Stock
2025-02-13+30,031→ 72,082 total
Award
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2025-01-31+401,600→ 401,600 total
Sale
Solid Biosciences Inc.$SLDB
Common Stock
2024-12-03$5.60/sh−11,114→ 38,484 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Common Stock
2024-12-02+28,612→ 49,598 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2024-12-02−28,612→ 57,225 total
Award
Verve Therapeutics, Inc.
Stock Option (right to buy)
2024-06-26+136,139→ 136,139 total
Award
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2024-02-13+120,125→ 120,125 total
Award
Solid Biosciences Inc.$SLDB
Employee Stock Option (Right to Buy)
2024-02-13+240,250→ 240,250 total
Sale
Solid Biosciences Inc.$SLDB
Common Stock
2023-12-04$2.77/sh−11,757→ 17,439 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Common Stock
2023-12-02+28,612→ 29,196 total
Exercise/Conversion
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2023-12-02−28,612→ 85,837 total
Award
Verve Therapeutics, Inc.
Stock Option (right to buy)
2023-06-15+26,642→ 26,642 total
Award
Solid Biosciences Inc.$SLDB
Stock Option (Right to Buy)
2022-12-02+228,900→ 228,900 total
Award
Solid Biosciences Inc.$SLDB
Restricted Stock Units
2022-12-02+114,449→ 114,449 total
Award
Solid Biosciences Inc.$SLDB
Common Stock
2022-12-02+584→ 584 total
Award
Verve Therapeutics, Inc.
Stock Option (right to buy)
2022-06-09+31,000→ 31,000 total
Disposition to Issuer
Ra Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2020-04-02−25,000→ 0 total
Disposition to Issuer
Ra Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2020-04-02−15,000→ 0 total
Award
Sarepta Therapeutics, Inc.$SRPT
Stock option (right to buy)
2020-02-28+37,500→ 37,500 total
Award
Sarepta Therapeutics, Inc.$SRPT
Common Stock
2020-02-28+6,700→ 8,567 total
Sale
Sarepta Therapeutics, Inc.$SRPT
Common Stock
2019-12-13$125.50/sh−9,294→ 1,867 total
Sale
Sarepta Therapeutics, Inc.$SRPT
Common Stock
2019-12-13$125.50/sh−32,706→ 11,161 total
Exercise/Conversion
Sarepta Therapeutics, Inc.$SRPT
Stock option (right to buy)
2019-12-13−3,895→ 0 total
Exercise/Conversion
Sarepta Therapeutics, Inc.$SRPT
Stock option (right to buy)
2019-12-13−26,084→ 20,881 total
Exercise/Conversion
Sarepta Therapeutics, Inc.$SRPT
Common Stock
2019-12-13$13.71/sh+2,727→ 13,888 total
Exercise/Conversion
Sarepta Therapeutics, Inc.$SRPT
Common Stock
2019-12-13$26.24/sh+26,084→ 43,867 total

Companies

Recent Filings

Address

C/O SOLID BIOSCIENCES INC. 500 RUTHERFORD AVENUE, THIRD FLOOR

CHARLESTOWN, MA, 02129

View on SEC.gov