---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-086215"
form_type: "8-K"
ticker: "SLDB"
cik: "0001707502"
company_name: "Solid Biosciences Inc."
filed_at: "2025-06-13T23:59:59+00:00"
generated_at: "2026-05-19T08:37:06.393682+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# SLDB stockholders approve doubling authorized shares to 240M and adding 9M shares to equity plan

## Summary
- Authorized common stock increased from 120M to 240M via Certificate of Amendment filed June 12, 2025.
- Equity plan amended to add 9M shares and modify evergreen provision to 6% annual increase from 2026.
- Class I directors Alexander Cumbo and Sukumar Nagendran re-elected with 95% and 92% of votes cast, respectively.
- PricewaterhouseCoopers ratified as auditor for FY2025 with 68.9M votes for, 18.8K against.
- Say-on-pay advisory vote approved with 57.1M for vs. 5.1M against; 6.6M broker non-votes.

## SEC filing metadata
- accession: 0000950170-25-086215
- form_type: 8-K
- ticker: SLDB
- cik: 0001707502
- company_name: Solid Biosciences Inc.
- filed_at: 2025-06-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1707502/000095017025086215/0000950170-25-086215-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1707502/000095017025086215/sldb-20250612.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-086215
- JSON: https://secwatch.observer/filing/0000950170-25-086215.json
- Plain text: https://secwatch.observer/filing/0000950170-25-086215.txt

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