---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-271105"
form_type: "8-K"
ticker: "SLDB"
cik: "0001707502"
company_name: "Solid Biosciences Inc."
filed_at: "2022-10-27T23:59:59+00:00"
generated_at: "2026-06-23T00:06:11.316439+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Solid Biosciences effects 1-for-15 reverse stock split, reduces authorized shares to 60M

## Summary
- 1-for-15 reverse stock split effective Oct. 27, 2022; trading on split-adjusted basis begins Oct. 28.
- Authorized common shares reduced from 300M to 60M (20M post-split then tripled per certificate amendment).
- Stockholders approved the amendment at the June 7, 2022 annual meeting; no fractional shares, cash in lieu.
- Outstanding options, warrants, and RSUs adjusted proportionally per their terms.

## SEC filing metadata
- accession: 0001193125-22-271105
- form_type: 8-K
- ticker: SLDB
- cik: 0001707502
- company_name: Solid Biosciences Inc.
- filed_at: 2022-10-27T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1707502/000119312522271105/0001193125-22-271105-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1707502/000119312522271105/d346984d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-271105
- JSON: https://secwatch.observer/filing/0001193125-22-271105.json
- Plain text: https://secwatch.observer/filing/0001193125-22-271105.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.