SEC ownership of Solid Biosciences Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001707502.

Comparable stake leader

PERCEPTIVE ADVISORS LLC

Disclosed value leader

PERCEPTIVE ADVISORS LLC

Comparable rows

50/50

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 2 signals
Latest 13D/G holder
PERCEPTIVE ADVISORS LLC
Latest parsed ownership date
31 Mar 2026
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001707502
Issuer location
Charlestown, MA

Ownership snapshot

Top shareholders of Solid Biosciences Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
PERCEPTIVE ADVISORS LLC
Disclosed value leader
PERCEPTIVE ADVISORS LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
13F 13D/G 3/4/5 Lead comparable stake: 13% 13D/G row: PERCEPTIVE ADVISORS LLC Showing 1-8 of 50 holder rows.

Quick read

PERCEPTIVE ADVISORS LLC leads the comparable SEC ownership view at 13%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PERCEPTIVE ADVISORS LLC's linked filing trail.
Comparable ownership Top 5
PERCEPTIVE ADVISORS LLC 13%
Invus Global Management, LLC 10%
RA CAPITAL MANAGEMENT, L.P. 9.9%
Vestal Point Capital, LP 7.5%
BlackRock, Inc. 4.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
PERCEPTIVE ADVISORS LLC
13F 13D/G 3/4/5
Company · Director, 10%+ Owner
13%
from 13D/G
$85,727,851
11,906,646 shares
31 Mar 2026
Invus Global Management, LLC
13D/G
Raymond Debbane
10%
10,066,682 shares
$0 31 Mar 2026
RA CAPITAL MANAGEMENT, L.P.
13F 13D/G 3/4/5
Company · 10%+ Owner
9.9%
from 13D/G
$67,247,842
9,339,978 shares
31 Mar 2026
Vestal Point Capital, LP
13F 13D/G
Company
7.5%
from 13D/G
$36,000,000
5,000,000 shares
31 Mar 2026
BlackRock, Inc.
13F 13D/G
Company
4.7%
from 13D/G
$35,700,150
4,958,354 shares
31 Mar 2026
Adage Capital Management, L.P.
3/4/5 13D/G
10%+ Owner
1.8%
from 13D/G
$32,115,515
4,248,084 shares
18 Feb 2025
Bain Capital Life Sciences Investors, LLC
13F 3/4/5
Company · 10%+ Owner
11%
$70,623,497
9,808,819 shares
31 Mar 2026
Siren, L.L.C.
13F
Individual
13F
8.3%
$55,370,916
7,690,405 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$2,681,597.

Buys
$0
Insiders: 0
Sells
$2,681,597
Insiders: 7
Net
-$2,681,597
Shares: -427,620
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 427,620
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 398,523 $0 $2,533,696 -$2,533,696
6-9 0 29,097 $0 $147,901 -$147,901
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 26 reporting-owner rows connected to Solid Biosciences Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
26
Largest Forms 3/4/5 holder
Bain Capital Life Sciences Investors, LLC
Net 12M change
-$2,681,597
Latest report
02 Apr 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Bain Capital Life Sciences Investors, LLC 10%+ Owner $46,252,926 Filing P/S 19 Feb 2025
Adage Capital Management, L.P. 10%+ Owner $32,115,515 Filing P/S 18 Feb 2025
Adam Koppel Director, 10%+ Owner $22,311,238 Mixed 11 Jan 2024
RA CAPITAL MANAGEMENT, L.P. 10%+ Owner $14,996,280 Filing P/S 19 Feb 2025
BCLS II Equity Opportunities GP, LLC Director, 10%+ Owner $5,000,005 Mixed 11 Jan 2024
Alexander Cumbo President and CEO, Director $1,727,605 -$983,857 -36% Mixed 13 Feb 2026
Joel Solomon Zev Schneider Chief Operating Officer $1,306,573 Mixed 14 Mar 2022
Ilan Ganot Director $884,781 -$82,374 -8.5% Mixed 13 Feb 2026
Ian F. Smith Director $832,936 Mixed 02 Apr 2026
David Tyronne Howton Chief Operating Officer $786,383 -$433,538 -36% Mixed 13 Feb 2026
Kevin Tan CFO & Treasurer $705,189 -$329,507 -32% Mixed 13 Feb 2026
Gabriel Brooks Chief Medical Officer $650,926 -$280,915 -30% Mixed 13 Feb 2026
Jessie Hanrahan Chief Regulatory Officer $529,301 -$297,329 -36% Mixed 13 Feb 2026
Paul Herzich Chief Technology Officer $508,381 -$274,077 -35% Mixed 13 Feb 2026
Jennifer Marlowe Cso $398,249 Mixed 13 Feb 2024
Carl Ashley Morris Chief Scientific Officer $128,883 Mixed 27 Jan 2023
Clare Kahn Director $15,794 Filing P/S 12 Jun 2025
Adam Leo Stone Director Mixed 12 Jun 2025
Georgia Keresty Director Mixed 12 Jun 2025
Sukumar Nagendran Director Mixed 12 Jun 2025

Recent insider transactions for Solid Biosciences Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Ian F. Smith SLDB Common Stock Options Exercise 2.62% 3,441 134,705 02 Apr 2026 Direct
Ian F. Smith SLDB Restricted Stock Units Options Exercise -25% -3,441 10,320 02 Apr 2026 Direct
Perceptive Advisors Llc SLDB Pre-Funded Warrant (right to buy) Award 8,912,655 8,912,655 09 Mar 2026 See footnote
Alexander Cumbo SLDB Common Stock Sale -6.6% $96,923 $5.82 -16,644 235,405 18 Feb 2026 Direct
Jessie Hanrahan SLDB Common Stock Sale -5.27% $24,074 $5.82 -4,134 74,318 18 Feb 2026 Direct
Ilan Ganot SLDB Common Stock Sale -8.82% $15,478 $5.82 -2,658 27,474 18 Feb 2026 Wife
Paul Herzich SLDB Common Stock Sale -4.74% $21,057 $5.82 -3,616 72,638 18 Feb 2026 Direct
David Tyronne Howton SLDB Common Stock Sale -6.64% $43,494 $5.82 -7,469 105,077 18 Feb 2026 Direct
Gabriel Brooks SLDB Common Stock Sale $0 0 89,466 18 Feb 2026 Direct
Kevin Tan SLDB Common Stock Sale -5.16% $31,469 $5.82 -5,404 99,422 18 Feb 2026 Direct
Alexander Cumbo SLDB Common Stock Options Exercise 13.5% 30,031 252,049 13 Feb 2026 Direct
Alexander Cumbo SLDB Restricted Stock Units Options Exercise -33.3% -30,031 60,063 13 Feb 2026 Direct
Jessie Hanrahan SLDB Common Stock Options Exercise 11.6% 8,125 78,452 13 Feb 2026 Direct
Jessie Hanrahan SLDB Restricted Stock Units Options Exercise -33.3% -8,125 16,250 13 Feb 2026 Direct
Ilan Ganot SLDB Common Stock Options Exercise 19.2% 4,861 30,132 13 Feb 2026 Wife
Ilan Ganot SLDB Restricted Stock Units Options Exercise -33.3% -4,861 9,722 13 Feb 2026 Wife
Paul Herzich SLDB Common Stock Options Exercise 10.4% 7,187 76,254 13 Feb 2026 Direct
Paul Herzich SLDB Restricted Stock Units Options Exercise -33.3% -7,187 14,376 13 Feb 2026 Direct
David Tyronne Howton SLDB Common Stock Options Exercise 15% 14,687 112,546 13 Feb 2026 Direct
David Tyronne Howton SLDB Restricted Stock Units Options Exercise -33.3% -14,687 29,376 13 Feb 2026 Direct
Gabriel Brooks SLDB Common Stock Options Exercise 13% 10,937 95,029 13 Feb 2026 Direct
Gabriel Brooks SLDB Restricted Stock Units Options Exercise -33.3% -10,937 21,876 13 Feb 2026 Direct
Kevin Tan SLDB Common Stock Options Exercise 11.3% 10,625 104,826 13 Feb 2026 Direct
Kevin Tan SLDB Restricted Stock Units Options Exercise -33.3% -10,625 21,250 13 Feb 2026 Direct
David Tyronne Howton SLDB Common Stock Sale -16.2% $121,713 $6.44 -18,894 97,859 04 Feb 2026 Direct
Alexander Cumbo SLDB Common Stock Sale -18% $315,093 $6.44 -48,913 222,018 04 Feb 2026 Direct
Ilan Ganot SLDB Common Stock Sale -22.2% $46,414 $6.44 -7,205 25,271 04 Feb 2026 Wife
Kevin Tan SLDB Common Stock Sale -13.6% $95,231 $6.44 -14,783 94,201 04 Feb 2026 Direct
Gabriel Brooks SLDB Common Stock Sale -13% $81,271 $6.44 -12,616 84,092 04 Feb 2026 Direct
Jessie Hanrahan SLDB Common Stock Sale -14.9% $79,545 $6.44 -12,348 70,327 04 Feb 2026 Direct
Paul Herzich SLDB Common Stock Sale -13.6% $70,249 $6.44 -10,905 69,067 04 Feb 2026 Direct
Kevin Tan SLDB Common Stock Sale -19.8% $172,747 $6.44 -26,837 108,984 02 Feb 2026 Direct
Jessie Hanrahan SLDB Common Stock Sale -24.3% $170,803 $6.44 -26,535 82,675 02 Feb 2026 Direct
Gabriel Brooks SLDB Common Stock Sale -22.7% $182,390 $6.44 -28,335 96,708 02 Feb 2026 Direct
Paul Herzich SLDB Common Stock Sale -24.7% $168,969 $6.44 -26,250 79,972 02 Feb 2026 Direct
Alexander Cumbo SLDB Common Stock Sale -22.8% $516,613 $6.44 -80,258 270,931 02 Feb 2026 Direct
David Tyronne Howton SLDB Common Stock Sale -24.4% $243,128 $6.44 -37,771 116,753 02 Feb 2026 Direct
Kevin Tan SLDB Common Stock Options Exercise 32.2% 33,075 135,821 31 Jan 2026 Direct
Kevin Tan SLDB Restricted Stock Units Options Exercise -25% -33,075 99,225 31 Jan 2026 Direct
Jessie Hanrahan SLDB Common Stock Options Exercise 33.9% 27,625 109,210 31 Jan 2026 Direct
Jessie Hanrahan SLDB Restricted Stock Units Options Exercise -25% -27,625 82,875 31 Jan 2026 Direct
Gabriel Brooks SLDB Common Stock Options Exercise 29.2% 28,225 125,043 31 Jan 2026 Direct
Gabriel Brooks SLDB Restricted Stock Units Options Exercise -25% -28,225 84,675 31 Jan 2026 Direct
Paul Herzich SLDB Common Stock Options Exercise 30.3% 24,675 106,222 31 Jan 2026 Direct
Paul Herzich SLDB Restricted Stock Units Options Exercise -25% -24,675 74,025 31 Jan 2026 Direct
Ilan Ganot SLDB Common Stock Options Exercise 85.8% 15,000 32,476 31 Jan 2026 Wife
Ilan Ganot SLDB Restricted Stock Units Options Exercise -25% -15,000 45,000 31 Jan 2026 Wife
Alexander Cumbo SLDB Common Stock Options Exercise 40% 100,400 351,189 31 Jan 2026 Direct
Alexander Cumbo SLDB Restricted Stock Units Options Exercise -25% -100,400 301,200 31 Jan 2026 Direct
David Tyronne Howton SLDB Common Stock Options Exercise 37.8% 42,275 154,254 31 Jan 2026 Direct
* marks a reported price that did not pass the local price check.
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