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Solid Biosciences Inc. (SLDB) SEC Filings & Earnings Calls

EquiReason read 20 Solid Biosciences Inc. SEC filings in the last 12 months. Latest: SC 13D/A on 2026-08-14 — Perceptive Advisors filed an amended Schedule 13D disclosing an 11.2% passive stake in Solid Biosciences..

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

SLDBSolid Biosciences Inc.Follow SLDB — free
Biotechnology · Healthcare
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Market cap
634.8M
P/E TTM
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Dividend yield
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52-week
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Next earnings
2 Nov, in 9 days

Every filing, read

last 12 months · SEC

What happened, the numbers inside, guidance and risks. The original is one click away.

14 Aug 2026SC 13D/APerceptive Advisors filed an amended Schedule 13D disclosing an 11.2% passive stake in Solid Biosciences.SEC ↗
14 Aug 2026SC 13D/APerceptive Advisors filed an amended Schedule 13D disclosing an 11.2% passive stake in Solid Biosciences.SEC ↗
6 Aug 20268-K · 8.01Solid Biosciences filed prospectus supplement for up to $200M at-the-market offering; prior $85M program exhausted.open

Figures in the filing · each found in the filing text

Aggregate gross sale proceeds from prior ATM · Q2-2026$85M

Risks flagged

Dilution risk from large equity offering; pre-revenue company with high cash burn.

“up to $200.0 million of shares of common stock” · word for word
Read the original on SEC EDGAR ↗
6 Aug 202610-QQuarterly report showing increased net loss and accumulated deficit, with cash runway into mid-2028.earningsopen

Figures in the filing · each found in the filing text

Net loss · H1-2026$-112M
Accumulated deficit · 2026-06-30$-1.10B

Risks flagged

Clinical trial failure risk

“We have never completed a clinical trial and may be unable to do so for any Candidate, including SGT-003, SGT‑212, SGT-501 and other Candidates.” · word for word

Need for additional funding

“We will need additional funding, which may not be available on acceptable terms, or at all. Failure to obtain this necessary capital when needed may force us to delay, limit or terminate our product development efforts or other operations.” · word for word

Novel technology risk

“Our pipeline of gene transfer candidates, which we refer to collectively as our Candidates, utilize novel technology, which makes it difficult to predict the time and cost of development and of subsequently obtaining regulatory approval.” · word for word
Read the original on SEC EDGAR ↗
24 Jun 2026SC 13D/ARA Capital increased its stake in Solid Biosciences to 11.9% through open market and ATM purchases.SEC ↗
24 Jun 2026SC 13D/ARA Capital increased its stake in Solid Biosciences to 11.9% through open market and ATM purchases.SEC ↗
12 May 202610-QNet loss $-57M; Accumulated deficit $-1.00Bopen

Figures in the filing · each found in the filing text

Net loss · Q1-2026$-57M
Accumulated deficit · 2026-03-31$-1.00B

Risks flagged

Pre-revenue gene therapy company; history of operating losses; accumulated deficit $1.0B.

“As of March 31, 2026, we had an accumulated deficit of $1.0 billion.” · word for word

Clinical hold history; potential for future holds.

“One of our prior clinical trials had been placed on clinical hold by the FDA in the past, and we cannot guarantee that similar events will not happen in ongoing, planned and future clinical trials for our Candidates.” · word for word

Novel gene therapy technology; limited approved products.

“Our pipeline of gene transfer Candidates utilize novel technology, which makes it difficult to predict the time and cost of development and of subsequently obtaining regulatory approval. To our knowledge, only a limited number of gene transfer products have been approved for commercialization in the United States and the European Union.” · word for word

Need for additional funding; cash runway only into first half of 2028.

“We will need additional funding, which may not be available on acceptable terms, or at all.” · word for word
Read the original on SEC EDGAR ↗
23 Apr 2026DEF 14AProxy statement proposing increase in authorized shares, advisory votes on compensation, and director elections.open

Figures in the filing · each found in the filing text

Net income · FY2025$-174M
Total shareholder return · FY2025$104.83

Risks flagged

Dilution risk from authorized share increase

“The approval of an amendment to our Certificate of Incorporation, as amended, to increase the number of authorized shares of our common stock from 240,000,000 to 480,000,000” · word for word

Continued net losses

“Net Income ($ Millions) 2025 (174.33) 2024 (124.70)”
Read the original on SEC EDGAR ↗
10 Apr 20268-K · 5.02Reported a director or officer change (departure, election, appointment or pay arrangement)SEC ↗
19 Mar 202610-KNet loss $-174M (+40% y/y); Accumulated deficit $-958Mopen

Figures in the filing · each found in the filing text

Net loss · FY2025$-174M+40% y/y
Accumulated deficit · 2025-12-31$-958M

Risks flagged

Clinical development risk

“Our pipeline of gene transfer Candidates utilize novel technology, which makes it difficult to predict the time and cost of development and of subsequently obtaining regulatory approval.” · word for word

Financial sustainability risk

“We have incurred significant net losses since inception and anticipate that we will continue to incur net losses for the foreseeable future and may never achieve or maintain profitability.” · word for word

Regulatory approval risk

“Even if we complete the necessary clinical trials, we cannot predict when, or if, we will obtain regulatory approval to commercialize our Candidates and the approval may be for a narrower indication than we seek.” · word for word
Read the original on SEC EDGAR ↗
17 Mar 2026SC 13D/ARA Capital increased its passive stake in Solid Biosciences to 9.9% through open market purchases totaling ~$23.7M.SEC ↗
17 Mar 2026SC 13D/ARA Capital increased its passive stake in Solid Biosciences to 9.9% through open market purchases totaling ~$23.7M.SEC ↗
12 Mar 20268-K · 7.01, 8.01Solid Biosciences announced positive interim data from Phase 1/2 INSPIRE DUCHENNE trial of SGT-003 for Duchenne muscular dystrophy, showing robust microdystrophin expression, beta-sarcoglycan localization, nNOS activity, and biomarker improopen

Figures in the filing · each found in the filing text

Mean microdystrophin expression by western blot · Day 9060.0%
Mean microdystrophin expression by western blot · Day 36091.0%
Mean microdystrophin expression by mass spectroscopy · Day 9052.0%
Mean microdystrophin expression by mass spectroscopy · Day 36086.0%
Mean microdystrophin-positive fibers by immunofluorescence · Day 9063.0%
Mean microdystrophin-positive fibers by immunofluorescence · Day 36069.0%
Properly localized and restored beta-sarcoglycan-positive fibers · Day 9060.0%
Properly localized and restored beta-sarcoglycan-positive fibers · Day 36069.0%
nNOS activity-positive fibers · Day 9035.0%
nNOS activity-positive fibers · Day 36033.0%

Risks flagged

Clinical trial risk: interim data based on small sample sizes (n=20 at Day 90, n=3 at Day 360) and may not be representative of full trial results; long-term safety and efficacy remain unproven.

“The interim clinical data reported is as of a February 23, 2026, data cutoff date. ... Results demonstrated robust mean vector copies per nucleus and microdystrophin expression ... (n=20 unless noted) ... (n=3).” · word for word
Read the original on SEC EDGAR ↗
11 Mar 2026SC 13D/APerceptive Advisors LLC files Amendment No. 9 to Schedule 13D for Solid Biosciences, reporting a 12.9% stake and a $49.9 million private placement investment via pre-funded warrants.SEC ↗
11 Mar 2026SC 13D/APerceptive Advisors LLC files Amendment No. 9 to Schedule 13D for Solid Biosciences, reporting a 12.9% stake and a $49.9 million private placement investment via pre-funded warrants.SEC ↗
10 Mar 2026SC 13D/ASchedule 13D/A: RA Capital Management, L.P. 9.9%SEC ↗
10 Mar 2026SC 13D/ASchedule 13D/A: BCLS SB Investco, LP 8.8%SEC ↗
6 Mar 20268-K · 1.01, 2.02, 3.02, 8.01Solid Biosciences Inc. conducted a private placement of shares and pre-funded warrants, raising capital to extend cash runway into 1H 2028, but diluting existing shareholders.open

Figures in the filing · each found in the filing text

Cash, cash equivalents and available-for-sale securities · FY2025$188M

Risks flagged

Dilution risk from private placement; pre-revenue company with high cash burn.

“Private Placement ... Shares and Pre-Funded Warrants”
Read the original on SEC EDGAR ↗
3 Nov 20258-K · 2.02, 7.01, 8.01Cash, cash equivalents and available-for-sale securities $236M; Mean microdystrophin expression by western blot 58; Participants dosed in INSPIRE DUCHENNE 23earningsopen

Figures in the filing · each found in the filing text

Cash, cash equivalents and available-for-sale securities · Q3-2025$236M
Mean microdystrophin expression by western blot · SGT-003 · Q3-202558.0%
Participants dosed in INSPIRE DUCHENNE · SGT-003 · Q3-202523

Risks flagged

Clinical trial risk; regulatory pathway uncertain; cash burn continues.

“Company does not expect that its existing cash ... will be sufficient to fund the completion of the development”
Read the original on SEC EDGAR ↗
3 Nov 202510-QQuarterly report filed with no material event or financial data in the provided text.SEC ↗

Solid Biosciences Inc. — questions

What did Solid Biosciences Inc. file recently?
20 SEC filings in the last 12 months. Latest: SC 13D/A on 2026-08-14 — Perceptive Advisors filed an amended Schedule 13D disclosing an 11.2% passive stake in Solid Biosciences.

Every figure on this page comes from Solid Biosciences Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.