Howton David T

Chief Operating Officer at Solid Biosciences Inc. · on record since Dec 5, 2022
SVP & Chief Legal Officer at VERTEX PHARMACEUTICALS INC / MA · on record since Feb 6, 2012
EVP, General Counsel at Sarepta Therapeutics, Inc. · on record since Feb 1, 2019

Insider trading activity of Howton David T

Transactions on record: 148; since Sep 7, 2011

Open-market buys: 0

Open-market sells: 25; $43.8M

Companies traded: 3; last filing Apr 21, 2026

Figures computed from official regulatory filings — .

Companies where Howton David T has traded

Solid Biosciences Inc.31 tx · $498.9K · Apr 21, 2026
Sarepta Therapeutics, Inc.114 tx · $53.6M · Jun 22, 2020
VERTEX PHARMACEUTICALS INC / MA3 tx · $14.6K · Feb 6, 2012

Track record of Howton David T

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Howton David T

Co-insiders of Howton David T

Cumbo AlexanderSarepta Therapeutics, Inc. +1
SMITH IAN FSolid Biosciences Inc. +1
Adage Capital Management, L.P.Solid Biosciences Inc.
ALAM JOHN JVERTEX PHARMACEUTICALS INC / MA
ALTSHULER DAVIDVERTEX PHARMACEUTICALS INC / MA
Ambrose KristenVERTEX PHARMACEUTICALS INC / MA
Amorrortu Pedro AlvaroSolid Biosciences Inc.
Aphale JayantSarepta Therapeutics, Inc.
Arbuckle Stuart AVERTEX PHARMACEUTICALS INC / MA
Arif BilalSarepta Therapeutics, Inc.
Arnold Matthew BennettSolid Biosciences Inc.
Atchinson RobertSolid Biosciences Inc.
Atkinson Edward Morrow IIIVERTEX PHARMACEUTICALS INC / MA
Bain Capital Life Sciences Fund II, L.P.Solid Biosciences Inc.
Bain Capital Life Sciences Investors II, LLCSolid Biosciences Inc.
Bain Capital Life Sciences Investors, LLCSolid Biosciences Inc.
Bain Capital Life Sciences Partners, LPSolid Biosciences Inc.
Barry RichardSarepta Therapeutics, Inc.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Solid Biosciences Inc.Listing on record	Apr 21, 2026	AwardD (derivative)	79,341	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2026	ExerciseD (derivative)	-14,687	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2026	Sell	-7,469	5.82 USD	$43.5K	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2026	Exercise	14,687	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 6, 2026	Sell	-18,894	6.44 USD	$121.7K	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	Exercise	79,341	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	Exercise	42,275	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	AwardD (derivative)	105,100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	ExerciseD (derivative)	-42,275	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	ExerciseD (derivative)	-79,341	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	Sell	-37,771	6.44 USD	$243.2K	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	AwardD (derivative)	210,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2025	Exercise	13,051	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2025	Sell	-4,932	5.11 USD	$25.2K	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2025	ExerciseD (derivative)	-13,051	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Aug 18, 2025	AwardD (derivative)	75,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Aug 18, 2025	AwardD (derivative)	150,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2025	Sell	-5,561	3.96 USD	$22K	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2025	Exercise	14,687	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2025	ExerciseD (derivative)	-14,687	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 11, 2025	AwardD (derivative)	169,100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2024	ExerciseD (derivative)	-13,051	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2024	Sell	-5,072	5.60 USD	$28.4K	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2024	Exercise	13,051	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 16, 2024	AwardD (derivative)	117,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Solid Biosciences Inc.Listing on record	Apr 21, 2026	AwardD (derivative)	79,341	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2026	ExerciseD (derivative)	-14,687	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2026	Sell	-7,469	5.82 USD	$43.5K	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2026	Exercise	14,687	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 6, 2026	Sell	-18,894	6.44 USD	$121.7K	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	Exercise	79,341	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	Exercise	42,275	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	AwardD (derivative)	105,100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	ExerciseD (derivative)	-42,275	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	ExerciseD (derivative)	-79,341	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	Sell	-37,771	6.44 USD	$243.2K	SEC
Solid Biosciences Inc.Listing on record	Feb 2, 2026	AwardD (derivative)	210,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2025	Exercise	13,051	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2025	Sell	-4,932	5.11 USD	$25.2K	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2025	ExerciseD (derivative)	-13,051	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Aug 18, 2025	AwardD (derivative)	75,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Aug 18, 2025	AwardD (derivative)	150,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2025	Sell	-5,561	3.96 USD	$22K	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2025	Exercise	14,687	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 18, 2025	ExerciseD (derivative)	-14,687	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Feb 11, 2025	AwardD (derivative)	169,100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2024	ExerciseD (derivative)	-13,051	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2024	Sell	-5,072	5.60 USD	$28.4K	SEC
Solid Biosciences Inc.Listing on record	Dec 4, 2024	Exercise	13,051	—	n/a (No price was disclosed in the filing)	SEC
Solid Biosciences Inc.Listing on record	Feb 16, 2024	AwardD (derivative)	117,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC