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  • Insider Ownership

Insider Trading & Ownership of Alexander Cumbo

Location
Cambridge, MA
Summary
The estimated net worth of Alexander Cumbo is at least $1,727,605 dollars as of 18 Feb 2026. Alexander Cumbo is the President and CEO, Director of Solid Biosciences Inc. and owns shares of Solid Biosciences Inc. (SLDB) stock worth about $1.73M.
Signature
/s/ Kimberly Cornwell as attorney-in-fact for Alexander Cumbo
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Quick Takeaways

  • Alexander Cumbo has 4 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $1,727,605.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Solid Biosciences Inc. ($1,727,605).
  • Past-year value change for that position: -$983,857.

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Alexander Cumbo

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
SLDB Solid Biosciences Inc. President and CEO, Director $1,727,605 -$983,857 -36% 13 Feb 2026
CLYM Climb Bio, Inc. Director 04 Jun 2025
VERV Verve Therapeutics, Inc. Director 25 Jul 2025
VOR Vor Biopharma Inc. Director 16 Jul 2025

Insider Transactions Reported by Alexander Cumbo:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.