Solid Biosciences Inc.
Solid Biosciences Inc. (SLDB) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · SLDB · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
29
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Solid Biosciences Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
SLDB insider buying and selling by quarter
SLDB insider selling · SLDB insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · SLDB ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
SLDB executive sell shares · SLDB board member insider trading · SLDB insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Apr 2, 2026 | SMITH IAN F Director | Option | 3,441 | — | Form 4 |
| Feb 13, 2026 | Cumbo Alexander President and CEO · Director | Option | 30,031 | — | Form 4 |
| Feb 18, 2026 | Cumbo Alexander President and CEO · Director | Sale | 16,644 | $97K | Form 4 |
| Feb 13, 2026 | Hanrahan Jessie Chief Regulatory Officer | Option | 8,125 | — | Form 4 |
| Feb 18, 2026 | Hanrahan Jessie Chief Regulatory Officer | Sale | 4,134 | $24K | Form 4 |
| Feb 13, 2026 | Ganot Ilan Director | Option | 4,861 | — | Form 4 |
| Feb 18, 2026 | Ganot Ilan Director | Sale | 2,658 | $15K | Form 4 |
| Feb 13, 2026 | Herzich Paul CTO | Option | 7,187 | — | Form 4 |
| Feb 18, 2026 | Herzich Paul CTO | Sale | 3,616 | $21K | Form 4 |
| Feb 13, 2026 | Howton David T COO | Option | 14,687 | — | Form 4 |
| Feb 18, 2026 | Howton David T COO | Sale | 7,469 | $43K | Form 4 |
| Feb 13, 2026 | Brooks Gabriel Chief Medical Officer | Option | 10,937 | — | Form 4 |
| Feb 13, 2026 | Tan Kevin CFO & Treasurer | Option | 10,625 | — | Form 4 |
| Feb 18, 2026 | Tan Kevin CFO & Treasurer | Sale | 5,404 | $31K | Form 4 |
| Feb 4, 2026 | Howton David T COO | Sale | 18,894 | $122K | Form 4 |
| Feb 4, 2026 | Cumbo Alexander President and CEO · Director | Sale | 48,913 | $315K | Form 4 |
| Feb 4, 2026 | Ganot Ilan Director | Sale | 7,205 | $46K | Form 4 |
| Feb 4, 2026 | Tan Kevin CFO & Treasurer | Sale | 14,783 | $95K | Form 4 |
| Feb 4, 2026 | Brooks Gabriel Chief Medical Officer | Sale | 12,616 | $81K | Form 4 |
| Feb 4, 2026 | Hanrahan Jessie Chief Regulatory Officer | Sale | 12,348 | $80K | Form 4 |
| Feb 4, 2026 | Herzich Paul CTO | Sale | 10,905 | $70K | Form 4 |
| Jan 31, 2026 | Tan Kevin CFO & Treasurer | Option | 33,075 | — | Form 4 |
| Feb 2, 2026 | Tan Kevin CFO & Treasurer | Sale | 26,837 | $173K | Form 4 |
| Jan 29, 2026 | Tan Kevin CFO & Treasurer | Option | 56,646 | — | Form 4 |
| Jan 31, 2026 | Cumbo Alexander President and CEO · Director | Option | 100,400 | — | Form 4 |
Cumbo Alexander
President and CEO · Director
Date
Feb 13
Shares
30,031
Price
—
Value
—
Cumbo Alexander
President and CEO · Director
Date
Feb 18
Shares
16,644
Price
$5.82
Value
$97K
Hanrahan Jessie
Chief Regulatory Officer
Date
Feb 13
Shares
8,125
Price
—
Value
—
Hanrahan Jessie
Chief Regulatory Officer
Date
Feb 18
Shares
4,134
Price
$5.82
Value
$24K
Cumbo Alexander
President and CEO · Director
Date
Feb 4
Shares
48,913
Price
$6.44
Value
$315K
Brooks Gabriel
Chief Medical Officer
Date
Feb 4
Shares
12,616
Price
$6.44
Value
$81K
Hanrahan Jessie
Chief Regulatory Officer
Date
Feb 4
Shares
12,348
Price
$6.44
Value
$80K
Cumbo Alexander
President and CEO · Director
Date
Jan 31
Shares
100,400
Price
—
Value
—
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About SLDB insider trading
SLDB insider trades
Solid Biosciences Inc. (SLDB) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Ganot Ilan (Director), Howton David T (COO), Tan Kevin (CFO & Treasurer). Over the past 12 months, 5 insiders have filed transactions with the SEC. SLDB insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Solid Biosciences Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
SLDB insider trading · 5 questionsThe insiders of Solid Biosciences Inc. (SLDB) include executives and directors such as Ganot Ilan (Director), Howton David T (COO), Tan Kevin (CFO & Treasurer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026