---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-090847"
form_type: "8-K"
ticker: null
cik: "0000831547"
company_name: "SPECTRUM PHARMACEUTICALS INC"
filed_at: "2023-04-04T23:59:59+00:00"
generated_at: "2026-06-17T06:42:38.290985+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Spectrum Pharmaceuticals lowers stockholder meeting quorum to 33 1/3%

## Summary
- Board approved Fourth Amended and Restated Bylaws effective March 30, 2023.
- Quorum reduced from a majority to 33 1/3% of outstanding voting shares.
- Change applies to all stockholder meetings for transaction of business.

## SEC filing metadata
- accession: 0001193125-23-090847
- form_type: 8-K
- cik: 0000831547
- company_name: SPECTRUM PHARMACEUTICALS INC
- filed_at: 2023-04-04T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831547/000119312523090847/0001193125-23-090847-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831547/000119312523090847/d471040d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-090847
- JSON: https://secwatch.observer/filing/0001193125-23-090847.json
- Plain text: https://secwatch.observer/filing/0001193125-23-090847.txt

## Key facts
- Governance Changes
  SPECTRUM PHARMACEUTICALS INC: Amended quorum requirement for stockholder meetings from majority to 33 1/3% of issued and outstanding shares (effective 2023-03-30).
  - Change: bylaw amendment
  - Effective: 2023-03-30
  source text: The Restated Bylaws amended the quorum requirement for the transaction of business at all meetings of stockholders from the holders of a majority, to the holders of 33 1/3%, of the Company’s issued and outstanding shares of stock entitled to vote thereat, present in person or represented by proxy.
  evidence_url: https://www.sec.gov/Archives/edgar/data/831547/000119312523090847/0001193125-23-090847-index.htm

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