---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-072709"
form_type: "8-K"
ticker: null
cik: "0001501756"
company_name: "Adverum Biotechnologies, Inc."
filed_at: "2024-03-20T23:59:59+00:00"
generated_at: "2026-06-04T11:29:55.234697+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Adverum Biotechnologies files 1-for-10 reverse stock split effective March 21, 2024

## Summary
- Board approved 1-for-10 reverse split on March 8; Certificate of Amendment filed March 20, effective 12:01 a.m. ET March 21.
- Every 10 shares of common stock convert to 1 share; par value per share unchanged.
- Total authorized shares remain 300 million; no fractional shares issued (cash in lieu).
- Restated Certificate of Incorporation filed (restates but does not further amend), effective 12:02 a.m. ET March 21.

## SEC filing metadata
- accession: 0001193125-24-072709
- form_type: 8-K
- cik: 0001501756
- company_name: Adverum Biotechnologies, Inc.
- filed_at: 2024-03-20T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1501756/000119312524072709/0001193125-24-072709-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1501756/000119312524072709/d814195d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-072709
- JSON: https://secwatch.observer/filing/0001193125-24-072709.json
- Plain text: https://secwatch.observer/filing/0001193125-24-072709.txt

## Key facts
- Governance Changes
  Adverum Biotechnologies, Inc.: Amended certificate of incorporation to effectuate a 1-for-10 reverse stock split (effective 2024-03-21).
  - Change: charter amendment
  - Effective: 2024-03-21
  source text: On March 20, 2024, the Company filed the Certificate of Amendment with the Secretary of State of the State of Delaware to effect the Reverse Stock Split effective as of 12:01 a.m. Eastern time on March 21, 2024
  evidence_url: https://www.sec.gov/Archives/edgar/data/1501756/000119312524072709/0001193125-24-072709-index.htm

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