Company Profile
Public information reviewed
Amphastar Pharmaceuticals, Inc.
Canonical company identity and public leadership record.
USNASDAQ: AMPH
Follow
More
- Public sources
- 1 reviewed
- Published leadership records
- 18
- Last reviewed
- Sep 14, 2026
Agent View
Machine representations
Inspect the same governed public record as Markdown, structured data, or a retrieval endpoint.
Markdown
https://registry.alpha.ac/companies/amphastar-pharmaceuticals-inc.mdAmphastar Pharmaceuticals, Inc.
Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.
Record
| Field | Value |
|---|---|
| Representation | alpha-profile-markdown-v3 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-1 |
| Canonical entity | alpha:company:380224c7-eafa-4d64-9d0c-7f061a379958 |
| Entity type | Company |
| Canonical URL | https://registry.alpha.ac/companies/amphastar-pharmaceuticals-inc |
| Publication | PUBLISHED |
| Verification | source_reported |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 21 |
| Claims under review | 1 |
| Evidence records | 4 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-09-14T14:36:23.732814+00:00 |
| Last reviewed | 2026-09-14T14:36:23.732814+00:00 |
Identity
- Legal name: Amphastar Pharmaceuticals, Inc.
- Display name: Amphastar Pharmaceuticals, Inc.
Leadership
- David Gaugh: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Diane G. Gerst: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Floyd F. Petersen: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Gayle Deflin: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Hsin-Liang Lee: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Jacob Liawatidewi: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Jun Zhang: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Mary Ziping Luo: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Michael A. Zasloff: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Richard Prins: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- William J. Peters: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2.
- Jack Yongfeng Zhang: Chief Executive Officer, President, Chief Scientific Officer and Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:3.
- Jack Yongfeng Zhang, Ph.D: Chief Executive Officer, President, Chief Scientific Officer and Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:4.
- Jacob Liawatidewi: Executive Vice President of Sales and Marketing and Corporate Administration Center, President of Amphastar France Pharmaceuticals, S.A.S., Corporate Secretary and Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:3.
- Mary Ziping Luo: Chief Operating Officer, Chief Scientist and Chairman of the Board of Directors. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:3.
- Mary Ziping Luo, Ph.D: Chief Operating Officer, Chief Scientist and Chairman of the Board of Directors. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:4.
- Rong Zhou: Senior Executive Vice President of Production Center; Executive Vice President of Scientific Affairs and President of Amphastar Nanjing Pharmaceuticals, Co., Ltd.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:3.
- William J. Peters: Chief Financial Officer, Executive Vice President of Finance, and Treasurer; President of International Medication Systems, Limited and Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:3.
Roles
- PUBLISHED
Governance
- NOT_ASSERTED
Board committees
- PUBLISHED
Financials
- NOT_ASSERTED
Workforce
- NOT_ASSERTED
Market and index context
- PUBLISHED
Legal Name
- Amphastar Pharmaceuticals, Inc.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:1.
Headquarters
- US. Publication: UNDER_REVIEW. Verification: source_reported. Assertion: source_reported. Evidence: unlinked, under review.
Entity Status
- Public listing published. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:1.
Published Fact
- US. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:1.
Coverage states
| Field | Value |
|---|---|
| Identity | PUBLISHED |
| Business | PUBLISHED |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | NOT_ASSERTED |
| Financials | NOT_ASSERTED |
| Workforce | NOT_ASSERTED |
| Ownership | NOT_ASSERTED |
| Ratings | NOT_PUBLISHED |
| Market and index context | PUBLISHED |
Public sources
- alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:1: Alpha canonical company public projection.
- alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:2: Amphastar Pharmaceuticals, Inc. DEF 14A 2026-04-13.
- alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:3: AMPH DEF 14A executive officers.
- alpha:evidence:company:380224c7-eafa-4d64-9d0c-7f061a379958:4: AMPH executive roster source.
Rights
| Field | Value |
|---|---|
| public_retrieval | allowed |
| agent_retrieval | allowed |
| redistribution | not_granted |
| model_training | not_granted |
| commercial_use | not_specified |
| relationship_pathfinding | not_granted |
| direct_contact | not_granted |
Limitations
- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- Only explicitly published canonical company identity and current confirmed public roles are included.
- Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.
- Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.
- This Company Profile is an identity and evidence record, not an Alpha rating.
Alternate representations
- Canonical profile
- Public Markdown
- Public JSON
- JSON-LD
- MCP resource:
alpha://companies/amphastar-pharmaceuticals-incat https://mcp.alpha.ac/mcp