Info
Insider Ownership

Insider Trading & Ownership of Alexander Cumbo

Location: Cambridge, MA
Summary: The estimated net worth of Alexander Cumbo is at least $773K dollars as of 04 Dec 2025. Alexander Cumbo is the President and CEO, Director of Solid Biosciences Inc. and owns shares of Solid Biosciences Inc. (SLDB) stock worth about $773K.
Signature: /s/ Kimberly Cornwell as attorney-in-fact for Alexander Cumbo
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Ownership of Alexander Cumbo

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
SLDB	Solid Biosciences Inc.	President and CEO, Director	$773K	-$100K	-11.5%	02 Dec 2025
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.