Transaction · 0001193125-26-426668

Brooks Gabriel

Brooks Gabriel, CMO, reported a transaction classified as exercise at Solid Biosciences Inc. involving 9750.000000 shares. Reported holdings after the transaction were 101615.000000 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—Shares × reported price
Shares traded9.75kPrice unknown
Holdings after101kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

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.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

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

Non-derivative
Type
exercise
Code M
Identifier
0001193125-26-426668
Common Stock
Transaction date
Oct 18, 2026
Filed Oct 20, 2026, 08:05 PM · 2d delay
Shares
9,750 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
101,615 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

+2 points

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

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

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.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
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
Related transactions

0 other transactions

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