Transaction · 0001193125-26-426668

Brooks Gabriel

Brooks Gabriel, CMO, reported a transaction classified as exercise at Solid Biosciences Inc. involving 9750.000000 shares for an estimated $0.00. Reported holdings after the transaction were 9750.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCMO
SLDBSolid Biosciences Inc.
Trade date
Oct 18, 2026
Filing date
Oct 20, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded9.75k$0.00 per share
Holdings after9.75kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

SLDB price since this filing

Daily closing prices, with the filing date and available return windows
SLDB · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +63.5%1w ago +16.0%1d ago -6.6%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001193125-26-426668
Restricted Stock Units
Transaction date
Oct 18, 2026
Filed Oct 20, 2026, 08:05 PM · 2d delay
Shares
9,750 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
9,750 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership Large Holdings Reduction
Filing-only score

-6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Medical Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

  2. F2

    Includes 2,399 shares of common stock acquired under the Solid Biosciences Inc. Employee Stock Purchase Plan on May 29, 2026.

  3. F3

    This sale was made to cover withholding taxes following the vesting of previously granted RSUs pursuant to a durable automatic sale instruction letter adopted by Dr. Brooks on August 15, 2024 effectin…

  4. F4

    The RSUs were granted on October 18, 2023 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such ann…

Original filing · 0001193125-26-426668
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