---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-296659"
form_type: "8-K"
ticker: "VNDA"
cik: "0001347178"
company_name: "Vanda Pharmaceuticals Inc."
filed_at: "2023-12-15T23:59:59+00:00"
generated_at: "2026-06-07T11:47:12.046316+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "medium"
source: SEC EDGAR
---

# Vanda amends bylaws to adopt universal proxy rule procedures

## Summary
- Board approved restated bylaws on Dec 13, 2023, effective immediately.
- Amendments address Rule 14a-19 universal proxy requirements, including 67% voting power solicitation requirement.
- Bylaws conform to recent Delaware General Corporation Law changes on adjournment and stockholder lists.
- Other technical non-substantive changes included in the restated bylaws.

## SEC filing metadata
- accession: 0001193125-23-296659
- form_type: 8-K
- ticker: VNDA
- cik: 0001347178
- company_name: Vanda Pharmaceuticals Inc.
- filed_at: 2023-12-15T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: medium
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1347178/000119312523296659/0001193125-23-296659-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1347178/000119312523296659/d35023d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-296659
- JSON: https://secwatch.observer/filing/0001193125-23-296659.json
- Plain text: https://secwatch.observer/filing/0001193125-23-296659.txt

## Key facts
- Governance Changes
  Vanda Pharmaceuticals Inc.: Amended and restated bylaws to address Universal Proxy Rules and conform to Delaware law (effective 2023-12-13).
  - Change: bylaw amendment
  - Effective: 2023-12-13
  source text: On December 13, 2023, the Board of Directors of Vanda Pharmaceuticals Inc. (the “Company”) approved and adopted an amendment and restatement of the Company’s Fourth Amended and Restated Bylaws (the “Bylaws”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1347178/000119312523296659/0001193125-23-296659-index.htm

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