EntityWire

EntityWire / EIN 33-0702205

Employer with a benefit plan

AMPHASTAR PHARMACEUTICALS, INC.

EIN 33-0702205. What DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2026-09-03.

Employer with a benefit plan ยท SEC filer

AMPHASTAR PHARMACEUTICALS, INC.

11570 SIXTH STREET, RANCHO CUCAMONGA, CA 91730

EIN

33-0702205

SEC CIK

0001297184

SEC · 2026-09-03

Industry (SIC)

Pharmaceutical Preparations (2834)

SEC · 2026-09-03

Ticker

AMPH

SEC · 2026-09-03

Latest SEC filing

4 2026-09-03

SEC · 2026-09-03

Benefit plan 1, 2024 filing

AMPHASTAR PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN

DOL · 2025-08-13

Participants (start of year)

1,570

DOL · 2025-08-13

Plan features

code 2E2F2G2J2K2T3H3D

DOL · 2025-08-13

Plan type

Single-employer plan

DOL · 2025-08-13

Business code (NAICS)

325410

DOL · 2025-08-13

Benefit plan 501, 2024 filing

AMPHASTAR PHARMACEUTICALS, INC. CAFETERIA PLAN

DOL · 2025-06-03

Participants (start of year)

0

DOL · 2025-06-03

Plan features

code 4A4B4D4E

DOL · 2025-06-03

Business code (NAICS)

325410

DOL · 2025-06-03

Benefit plan 502, 2024 filing

AMPHASTAR PHARMACEUTICALS, INC. HEALTH AND WELFARE PLAN

DOL · 2025-06-03

From DOL Form 5500 filings (EFAST2) · SEC EDGAR company filings. Latest record 2026-09-03.

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