---
schema_version: "secwatch.filing_event.v1"
accession: "0001297184-26-000038"
form_type: "8-K"
ticker: "AMPH"
cik: "0001297184"
company_name: "Amphastar Pharmaceuticals, Inc."
filed_at: "2026-06-03T20:15:45+00:00"
generated_at: "2026-06-03T20:45:34.109178+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Amphastar shareholders elect three directors, ratify EY, approve say-on-pay

## Summary
- All three Class I nominees elected: Gaugh 35.2M for, Peters 23.6M for, Liawatidewi 23.2M for.
- Peters and Liawatidewi each received over 11.7M against votes.
- Ratification of Ernst & Young as auditor for FY2026 passed 39.2M to 0.7M.
- Advisory say-on-pay approved 32.6M for; frequency set at 1 year with 33.8M votes.
- All proposals passed with broker non-votes of 4.4M on director and advisory items.

## SEC filing metadata
- accession: 0001297184-26-000038
- form_type: 8-K
- ticker: AMPH
- cik: 0001297184
- company_name: Amphastar Pharmaceuticals, Inc.
- filed_at: 2026-06-03T20:15:45+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1297184/000129718426000038/0001297184-26-000038-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1297184/000129718426000038/amph-20260601x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001297184-26-000038
- JSON: https://secwatch.observer/filing/0001297184-26-000038.json
- Plain text: https://secwatch.observer/filing/0001297184-26-000038.txt

## Key facts
- Shareholder Votes
  Amphastar Pharmaceuticals, Inc. shareholders approved Advisory vote on compensation of named executive officers.
  - Proposal: say on pay
  - Outcome: passed
  source text: 3. Advisory Vote on the Compensation of our Named Executive Officers ​ ​ For Against Abstained Broker Non-votes 32,585,908 2,779,281 111,803 4,439,978
  evidence_url: https://www.sec.gov/Archives/edgar/data/1297184/000129718426000038/0001297184-26-000038-index.htm
- Shareholder Votes
  Amphastar Pharmaceuticals, Inc. shareholders approved Advisory vote on frequency of future stockholder advisory votes on named executive officer compensation.
  - Proposal: say on pay frequency
  - Outcome: passed
  source text: 4. Advisory Vote on the Frequency of Future Stockholder Advisory Votes on Named Executive Officer Compensation ​ ​ ​ 1 Year 2 Years 3 Years Abstained Broker Non-votes 33,816,071 12,329 1,624,016 24,576 4,439,978
  evidence_url: https://www.sec.gov/Archives/edgar/data/1297184/000129718426000038/0001297184-26-000038-index.htm
- Shareholder Votes
  Amphastar Pharmaceuticals, Inc. shareholders approved Election of three Class I directors.
  - Proposal: director election
  - Outcome: passed
  source text: 1. Election of Directors ​ ​ ​ ​ ​ ​ Nominee For Against Abstained Broker Non-votes David Gaugh 35,242,863 209,084 25,045 4,439,978 William J. Peters 23,652,131 11,785,772 39,089 4,439,978 Jacob Liawatidewi 23,224,791 12,212,988 39,213 4,439,978
  evidence_url: https://www.sec.gov/Archives/edgar/data/1297184/000129718426000038/0001297184-26-000038-index.htm
- Shareholder Votes
  Amphastar Pharmaceuticals, Inc. shareholders approved Ratification of Ernst & Young LLP as independent registered public accounting firm.
  - Proposal: auditor ratification
  - Outcome: passed
  source text: 2. Ratification of Appointment of Independent Registered Public Accounting Firm ​ ​ For Against Abstained Broker Non-votes 39,179,786 684,828 52,356 N/A
  evidence_url: https://www.sec.gov/Archives/edgar/data/1297184/000129718426000038/0001297184-26-000038-index.htm

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