Solid Biosciences Inc.

Last updated September 27, 2026
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Organization details

Legal name
Solid Biosciences Inc.
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2836 — Biological Products, (No Diagnostic Substances)
Jurisdiction of incorporation
Delaware
Headquarters city
Charlestown
Headquarters state / province
Massachusetts
Headquarters country
United States
Fiscal year end
December
Ticker symbol
SLDB
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001707502
EIN
90-0943402

Board of directors

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Chief executives

Alexander Cumbo · President and CEO
Dates unknown

Director election results

Annual meeting of June 10, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

11 of this board's directors also sit on 38 other boards. 36 are in the same sector.

Network of Solid Biosciences Inc.'s board connections Freenome Inc. Freenome Inc. Climb Bio Inc. Climb Bio Inc. Stoke Therapeutics Inc. Stoke Therapeutics Inc... Vor Biopharma Inc. Vor Biopharma Inc. ARS Pharmaceuticals Inc. ARS Pharmaceuticals In... Acrivon Therapeutics Inc. Acrivon Therapeutics I... Acumen Pharmaceuticals Inc. Acumen Pharmaceuticals... Artiva Biotherapeutics Inc. Artiva Biotherapeutics... Bambusa Therapeutics Inc. Bambusa Therapeutics I... Bicara Therapeutics Inc. Bicara Therapeutics In... Black Diamond Therapeutics Inc. Black Diamond Therapeu... Evommune Inc. Evommune Inc. Foghorn Therapeutics Inc. Foghorn Therapeutics I... Hemab Therapeutics Holdings Inc. Hemab Therapeutics Hol... Immatics N.V. Immatics N.V. Jade Biosciences Inc. Jade Biosciences Inc. Adam Koppel Adam Koppel Adam Leo Stone Adam Leo Stone Alexander Cumbo Alexander Cumbo Clare Kahn Clare Kahn Ian F. Smith Ian F. Smith Joseph Edelman Joseph Edelman Peter Kolchinsky Peter Kolchinsky Rajeev M. Shah Rajeev M. Shah Solid Biosciences Inc.
Shared director Other board Same sector +22 more in the list below

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$2,675,750
28 sales by 7 insiders
Date Insider Transaction Shares Price Value
Oct 19, 2026 Brooks Gabriel Officer (Chief Medical Officer) Open-market sale −4,374 $5.62 $24,582
Oct 18, 2026 Brooks Gabriel Officer (Chief Medical Officer) Option exercise +9,750 — —
Oct 2, 2026 Ian F. Smith Director Option exercise +3,440 — —
Jul 2, 2026 Ian F. Smith Director Option exercise +3,440 — —
Apr 2, 2026 Ian F. Smith Director Option exercise +3,441 — —
Feb 18, 2026 Alexander Cumbo Director, Officer (President and CEO) Open-market sale −16,644 $5.82 $96,868
Feb 18, 2026 Hanrahan Jessie Officer (Chief Regulatory Officer) Open-market sale −4,134 $5.82 $24,060
Feb 18, 2026 Ilan Ganot Director Open-market sale −2,658 $5.82 $15,470
Feb 18, 2026 Herzich Paul Officer (Chief Technology Officer) Open-market sale −3,616 $5.82 $21,045
Feb 18, 2026 Howton David T Officer (Chief Operating Officer) Open-market sale −7,469 $5.82 $43,470
Feb 18, 2026 Brooks Gabriel Officer (Chief Medical Officer) Open-market sale −0 $5.82 $0
Feb 18, 2026 Tan Kevin Officer (CFO & Treasurer) Open-market sale −5,404 $5.82 $31,451
Feb 13, 2026 Alexander Cumbo Director, Officer (President and CEO) Option exercise +30,031 — —
Feb 13, 2026 Hanrahan Jessie Officer (Chief Regulatory Officer) Option exercise +8,125 — —
Feb 13, 2026 Ilan Ganot Director Option exercise +4,861 — —

Peers

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Questions about Solid Biosciences Inc.

Who is the CEO of Solid Biosciences Inc.?

Alexander Cumbo is Solid Biosciences Inc.'s President and CEO.

How many directors are on Solid Biosciences Inc.'s board?

Solid Biosciences Inc.'s board has 13 directors: Adam Koppel, Adam Leo Stone, Alexander Cumbo, Clare Kahn, Georgia Keresty, Ian F. Smith, Ilan Ganot, Joseph Edelman, Lynne Marie Sullivan, Martin I. Freed and 3 others.

Are Solid Biosciences Inc. insiders buying or selling shares?

Over the last 12 months, Solid Biosciences Inc. insiders made no open-market purchases and sold $2.7 million of shares in 28 sales on the open market, as reported to the SEC on Forms 4 and 5.

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