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Amphastar Pharmaceuticals, Inc.

Exact employer profile · All loaded years

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Matching filings87
Median yearly base wage$83,408n=17 eligible
Middle 50% of yearly wages$69,909 – $110,365
Most reported worksiteRancho Cucamonga, CA64 matching filings
Explore this companyMost reported roleMechanical Engineer Top worksiteRancho Cucamonga Individual recordsInspect dates & base salaries
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Salary records

87 matching H-1B filings

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Reported base wages in USD · pay period shown beside each amount · select a salary for case details

EmployerJob titleBase salaryLocationSubmit dateStart date
Amphastar Pharmaceuticals Inc.Research Scientist

Filing details

$106,000 /yr

I-200-26156-987679
Reported wage: $106,000 / year
Annualized: $106,000
Status: Certified
Fiscal year: 2026
Decision: 2026-06-12
Employment end: 2029-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Chino, CA06/05/202610/01/2026
Amphastar Pharmaceuticals Inc.Animal Scientist I

Filing details

$32 per hour

I-200-26156-987690
Reported wage: $32 / hour
Annualized: $66,560
Status: Certified
Fiscal year: 2026
Decision: 2026-06-12
Employment end: 2029-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Chino, CA06/05/202610/01/2026
Amphastar Pharmaceuticals Inc.Stock Office Administrator

Filing details

$83,408 /yr

I-200-26154-978584
Reported wage: $83,408–$85,000 / year
Annualized: $83,408
Status: Certified
Fiscal year: 2026
Decision: 2026-06-10
Employment end: 2029-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA06/03/202610/01/2026
Amphastar Pharmaceuticals Inc.Researcher

Filing details

$58,240 /yr

I-200-26091-745681
Reported wage: $58,240 / year
Annualized: $58,240
Status: Certified
Fiscal year: 2026
Decision: 2026-04-08
Employment end: 2029-04-07
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA04/01/202604/08/2026
Amphastar Pharmaceuticals, Inc.Supervisor Of Executive Office

Filing details

$50.22 per hour

I-200-26043-635775
Reported wage: $50.22 / hour
Annualized: $104,458
Status: Certified
Fiscal year: 2026
Decision: 2026-02-20
Employment end: 2029-08-08
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA02/12/202608/09/2026
Amphastar Pharmaceuticals Inc.Manager, Revenue Recognition

Filing details

$160,000 /yr

I-200-25321-414303
Reported wage: $160,000 / year
Annualized: $160,000
Status: Certified
Fiscal year: 2026
Decision: 2025-11-24
Employment end: 2028-11-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA11/17/202512/01/2025
Amphastar Pharmaceuticals, Inc.Supervisor Of Executive Office

Filing details

$49.36 per hour

I-200-25171-116789
Reported wage: $49.36 / hour
Annualized: $102,669
Status: Certified
Fiscal year: 2025
Decision: 2025-06-27
Employment end: 2028-08-08
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA06/20/202508/09/2025
Amphastar Pharmaceuticals Inc.Senior Statistical Data Analyst

Filing details

$114,587 /yr

I-200-25164-090438
Reported wage: $114,587–$126,235 / year
Annualized: $114,587
Status: Certified
Fiscal year: 2025
Decision: 2025-06-23
Employment end: 2028-11-08
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA06/13/202511/09/2025
Amphastar Pharmaceuticals, Inc.Supervisor Of Executive Office

Filing details

$49.36 per hour

I-200-25156-054543
Reported wage: $49.36 / hour
Annualized: $102,669
Status: Certified
Fiscal year: 2025
Decision: 2025-06-11
Employment end: 2026-08-08
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA06/04/202508/09/2025
Amphastar Pharmaceuticals Inc.Research Scientist

Filing details

$110,365 /yr

I-200-25147-019897
Reported wage: $110,365–$158,725 / year
Annualized: $110,365
Status: Certified
Fiscal year: 2025
Decision: 2025-06-03
Employment end: 2028-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Chino, CA05/27/202510/01/2025
Amphastar Pharmaceuticals Inc.Financial Reporting And Budgeting Analyst

Filing details

$78,229 /yr

I-200-25143-011925
Reported wage: $78,229–$107,349 / year
Annualized: $78,229
Status: Certified
Fiscal year: 2025
Decision: 2025-06-02
Employment end: 2028-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA05/23/202510/01/2025
Amphastar Pharmaceuticals Inc.Maintenance Engineer

Filing details

$69,909 /yr

I-200-25122-930520
Reported wage: $69,909–$87,339 / year
Annualized: $69,909
Status: Certified
Fiscal year: 2025
Decision: 2025-05-09
Employment end: 2028-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA05/02/202510/01/2025
Amphastar Pharmaceuticals Inc.Senior Statistical Data Analyst

Filing details

$115,606 /yr

I-200-24061-761922
Reported wage: $115,606 / year
Annualized: $115,606
Status: Certified
Fiscal year: 2024
Decision: 2024-03-07
Employment end: 2027-08-08
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA02/29/202408/09/2024
Amphastar Pharmaceuticals Inc.Analyst (Information Technology)

Filing details

$104,000 /yr

I-200-23355-585513
Reported wage: $104,000 / year
Annualized: $104,000
Status: Certified - Withdrawn
Fiscal year: 2024
Decision: 2024-01-08
Employment end: 2027-01-01
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA12/21/202301/02/2024
Amphastar Pharmaceuticals, Inc.Software Developer

Filing details

$43 per hour

I-200-23158-088826
Reported wage: $43 / hour
Annualized: $89,440
Status: Certified
Fiscal year: 2023
Decision: 2023-06-14
Employment end: 2026-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA06/07/202310/01/2023
Amphastar Pharmaceuticals, Inc.Mechanical Engineer

Filing details

$55.73 per hour

I-200-23122-984563
Reported wage: $55.73 / hour
Annualized: $115,918
Status: Certified
Fiscal year: 2023
Decision: 2023-05-09
Employment end: 2026-08-18
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA05/02/202308/19/2023
Amphastar Pharmaceuticals, Inc.Stock Office Administrator

Filing details

$26.5 per hour

I-200-23122-984576
Reported wage: $26.5 / hour
Annualized: $55,120
Status: Certified
Fiscal year: 2023
Decision: 2023-05-09
Employment end: 2026-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA05/02/202310/01/2023
Amphastar Pharmaceuticals, Inc.Mechanical Engineer

Filing details

$47.94 per hour

I-200-23055-800096
Reported wage: $47.94 / hour
Annualized: $99,715
Status: Certified
Fiscal year: 2023
Decision: 2023-03-02
Employment end: 2024-06-24
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA02/23/202306/25/2023
Amphastar Pharmaceuticals, Inc.Manager Of Cmca (Chemistry, Manufacturing & Controls - A)

Filing details

$85.7 per hour

I-200-22343-630705
Reported wage: $85.7 / hour
Annualized: $178,256
Status: Certified
Fiscal year: 2023
Decision: 2022-12-15
Employment end: 2026-01-23
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA12/08/202201/24/2023
Amphastar Pharmaceuticals, Inc.Stock Office Administrator

Filing details

$27.76 per hour

I-200-22125-141337
Reported wage: $27.76 / hour
Annualized: $57,741
Status: Certified
Fiscal year: 2022
Decision: 2022-05-12
Employment end: 2025-09-30
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA05/05/202210/01/2022
Amphastar Pharmaceuticals, Inc.Supervisor Of Executive Office

Filing details

$37.43 per hour

I-200-22124-136676
Reported wage: $37.43 / hour
Annualized: $77,854
Status: Certified
Fiscal year: 2022
Decision: 2022-05-11
Employment end: 2025-08-08
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA05/04/202208/09/2022
Amphastar Pharmaceuticals, Inc.Data And Document Analyst

Filing details

$44.9 per hour

I-200-22098-053334
Reported wage: $44.9 / hour
Annualized: $93,392
Status: Certified
Fiscal year: 2022
Decision: 2022-04-15
Employment end: 2025-08-08
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA04/08/202208/09/2022
Amphastar Pharmaceuticals, Inc.Data And Document Analyst

Filing details

$44.9 per hour

I-200-22094-034415
Reported wage: $44.9 / hour
Annualized: $93,392
Status: Withdrawn
Fiscal year: 2022
Decision: 2022-04-04
Employment end: 2025-08-08
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA04/04/202208/09/2022
Amphastar Pharmaceuticals, Inc.Mechanical Engineer

Filing details

$40.77 per hour

I-200-22081-000375
Reported wage: $40.77 / hour
Annualized: $84,802
Status: Certified
Fiscal year: 2022
Decision: 2022-03-29
Employment end: 2023-06-24
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA03/22/202206/25/2022
Amphastar Pharmaceuticals, Inc.Assistant Supervisor Of Ibmi System Of Software System

Filing details

$102,502 /yr

I-200-22056-934027
Reported wage: $102,502–$104,000 / year
Annualized: $102,502
Status: Certified
Fiscal year: 2022
Decision: 2022-03-04
Employment end: 2025-03-31
Worker positions: 1

Employer-reported disclosure · Base wage, not total compensation.

Rancho Cucamonga, CA02/25/202204/01/2022

About Amphastar Pharmaceuticals, Inc. H-1B salary records

This view contains 87 matching filings across all loaded fiscal years. The median reported yearly base wage is $83,408, based on 17 certified filings with positive yearly pay. These are filing-level observations, not unique employees or total compensation.

Read each filing in context.

Base wages preserve the disclosed pay period. Select a salary to see its case status, dates, worker positions, and annualized estimate. Salary charts use certified, positive yearly base wages; LCAs are not visa approvals. Subsidiaries and previous legal names have separate profiles. Methodology & coverage ↗