Insider Trading February 6, 2026

Solid Biosciences CTO Sells Shares to Cover Taxes as Company Advances Gene Therapy Programs

Paul Herzich disposed of 10,905 SLDB shares in a non-discretionary sale; company posts clinical and regulatory progress ahead of March earnings

By Nina Shah SLDB
Solid Biosciences CTO Sells Shares to Cover Taxes as Company Advances Gene Therapy Programs
SLDB

Solid Biosciences Chief Technology Officer Paul Herzich sold 10,905 shares on February 4, 2026, to cover withholding taxes tied to vested restricted stock units. The transaction, executed at a weighted average price of $6.4419, leaves Herzich with 69,067 directly held shares. Solid Biosciences has reported clinical milestones across Duchenne and Friedreich's ataxia programs and holds a market cap near $508 million as it approaches an earnings report scheduled for March 6.

Key Points

  • CTO Paul Herzich sold 10,905 SLDB shares on February 4, 2026, to cover withholding taxes tied to vested RSUs; sale was non-discretionary.
  • Shares sold at a weighted average price of $6.4419; current trading price is $6.52 and the stock has returned 126% over the past year.
  • Company advancing multiple gene therapy programs - 33 participants dosed in Phase 1/2 INSPIRE DUCHENNE; Orphan Drug designation for SGT-212 and first participant dosed in Phase 1b FALCON trial.

Key insider transaction

Solid Biosciences NASDAQ:SLDB Chief Technology Officer Paul Herzich sold 10,905 shares of common stock on February 4, 2026, generating about $70,248 in gross proceeds. The sale was executed at a weighted average price of $6.4419, with individual trade prices ranging from $6.28 to $6.60. According to a footnote in the related SEC filing, the disposition was made to satisfy withholding tax obligations associated with the vesting of previously granted restricted stock units and was not a discretionary sale by Mr. Herzich. After the transaction, Herzich directly holds 69,067 shares of Solid Biosciences stock.

Market context and valuation

The stock is trading at $6.52 and has delivered a 126 percent return over the trailing 12 months. InvestingPro analysis cited in company data suggests the shares may be slightly overvalued relative to their Fair Value. Market capitalization sits at approximately $508 million. The company is due to report earnings on March 6, which will provide the next discrete data point for investors evaluating near-term performance.

Research tools and investor resources

InvestingPro highlights that SLDB exhibits notable price volatility - a note that appears as one of 11 additional insights available to paying subscribers. Investors seeking deeper analytical material can access the full Pro Research Report, which covers SLDB alongside more than 1,400 other U.S. equities.

Clinical and regulatory developments

Solid Biosciences also reported progress across several development programs. The company stated that 33 participants have been dosed in its Phase 1/2 INSPIRE DUCHENNE trial for Duchenne muscular dystrophy, and that the investigational SGT-003 therapy has been generally well tolerated in that study. Separately, the U.S. Food and Drug Administration has granted Orphan Drug designation to Solid Biosciences for SGT-212, an investigational gene therapy targeting Friedreich's ataxia.

The company disclosed that the first participant has been dosed in the Phase 1b FALCON trial for SGT-212. That study employs a dual-route administration approach intended to address multiple manifestations of the disease. These clinical milestones and regulatory designations form part of the company narrative as it works to advance its gene therapy programs.

Analyst stance and public health context

Citizens has reiterated a Market Outperform rating for Solid Biosciences, citing the company’s proprietary capsid and its unique dystrophin construct as strengths. In parallel, the U.S. Department of Health and Human Services has added Duchenne muscular dystrophy to the Recommended Uniform Screening Panel, a change that could support earlier detection and access to treatment. Solid Biosciences has served as a steering committee member for this screening initiative for nearly a decade, according to company statements.


Collectively, the insider transaction, company valuation cues, upcoming earnings date, and the recent clinical and regulatory updates provide investors with a mix of operational progress and market-signaling information to weigh as they assess Solid Biosciences’ near-term outlook.

Risks

  • Valuation uncertainty - InvestingPro indicates SLDB may be slightly overvalued versus Fair Value, which impacts investor expectations and equity risk exposure in the biotech sector.
  • Price volatility - InvestingPro highlights that SLDB’s stock price movements are quite volatile, creating trading and timing risk for market participants.
  • Clinical and regulatory program execution - ongoing trials and regulatory steps are central to the company’s progress; setbacks or delays could affect the biotechnology and healthcare markets tied to the company.

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