---
schema_version: "secwatch.filing_event.v1"
accession: "0001297184-23-000053"
form_type: "8-K"
ticker: "AMPH"
cik: "0001297184"
company_name: "Amphastar Pharmaceuticals, Inc."
filed_at: "2023-06-06T23:59:59+00:00"
generated_at: "2026-06-14T06:21:31.004289+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Amphastar shareholders elect three Class I directors, ratify auditor, approve say-on-pay at 2023 annual meeting

## Summary
- Floyd F. Petersen, Jacob Liawatidewi, and William J. Peters elected as Class I directors to serve until 2026.
- Ratification of Ernst & Young as independent auditor for FY2023: 42,097,266 for, 585,099 against.
- Advisory vote on executive compensation approved: 37,281,658 for, 1,276,813 against, 4,029,572 broker non-votes.
- All proposals passed; meeting held virtually on June 5, 2023.

## SEC filing metadata
- accession: 0001297184-23-000053
- form_type: 8-K
- ticker: AMPH
- cik: 0001297184
- company_name: Amphastar Pharmaceuticals, Inc.
- filed_at: 2023-06-06T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1297184/000129718423000053/0001297184-23-000053-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1297184/000129718423000053/amph-20230605x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001297184-23-000053
- JSON: https://secwatch.observer/filing/0001297184-23-000053.json
- Plain text: https://secwatch.observer/filing/0001297184-23-000053.txt

## Key facts
- Shareholder Votes
  Amphastar Pharmaceuticals, Inc. shareholders approved Election of three Class I directors to serve until the 2026 annual meeting at the 2023-06-05 meeting.
  - Proposal: director election
  - Outcome: passed
  - Meeting: 2023-06-05
  source text: On June 5, 2023, the Company held its Annual Meeting virtually via a live webcast.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1297184/000129718423000053/0001297184-23-000053-index.htm
- Shareholder Votes
  Amphastar Pharmaceuticals, Inc. shareholders approved Ratify the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023 at the 2023-06-05 meeting.
  - Proposal: auditor ratification
  - Outcome: passed
  - Meeting: 2023-06-05
  source text: The stockholders ratified the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1297184/000129718423000053/0001297184-23-000053-index.htm
- Shareholder Votes
  Amphastar Pharmaceuticals, Inc. shareholders approved Approve, on an advisory basis, the compensation of our named executive officers at the 2023-06-05 meeting.
  - Proposal: say on pay
  - Outcome: passed
  - Meeting: 2023-06-05
  source text: To approve, on an advisory basis, the compensation of our named executive officers.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1297184/000129718423000053/0001297184-23-000053-index.htm

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