U.S. Immigration Data

Priority dates, work visas, and labor market data

AMPHASTAR PHARMACEUTICALS INC.

H-1B & Green Card Sponsorship Data

Source: US Dept of Labor. Represents Base Salary only. Excludes RSUs, signing bonuses, and variable compensation. View All Salary Records

38

Total Filings

2021-Present

84.2%

Approval Rate

Certified Cases

$84,105

Median Salary

Across All Roles
Filings by Program
31
H-1B Filings
7
PERM Filings
Labor certification, the first green card step
Recent Filing Activity
By Program Type
Program Last Filing Dated filings (2021–Present)
H-1B Jun 5, 2026 31
PERM Apr 23, 2024 7
Counts only filings that carry a submission date, so these totals run below the Filings by Program counts above.
By Role (Most Recent)
Role Last Filing Dated filings (2021–Present)
Research Scientist Jun 5, 2026 2
Animal Scientist Jun 5, 2026 1
Stock Office Administrator Jun 3, 2026 3
RESEARCHER Apr 1, 2026 1
Supervisor of Executive Office Feb 12, 2026 4
Top Roles by Filings
Role Count Median Salary Min Max
MECHANICAL ENGINEER 8 $81,474 $72,197 $115,918
Supervisor of Executive Office 4 $102,669 $77,854 $104,458
GENERAL LEDGER ANALYST 3 $55,432 $52,624 $55,432
Stock Office Administrator 3 $57,741 $55,120 $83,408
Data Analyst, Specialist 2 $82,441 $73,403 $91,478
Data and Document Analyst 2 $93,392 $93,392 $93,392
Research Scientist 2 $108,183 $106,000 $110,365
Senior Statistical Data Analyst 2 $115,097 $114,587 $115,606
ANALYST, INFORMATION TECHNOLOGY 1 $104,000 $104,000 $104,000
Animal Scientist 1 $66,560 $66,560 $66,560
Salary Distribution (All Filings + Role Overlays)
10th Percentile

$55,796

25th Percentile

$71,276

Median (50th)

$84,105

75th Percentile

$103,667

90th Percentile

$115,700

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Filings by State (Chart)
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Median Salary by State (Chart)
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Filing Volume Trend
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Median Salary Trend
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Filing Pace by Program
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Year-over-Year Statistics
Fiscal Year Filings Median Salary Approval Rate
2021 8 $72,800 87.5%
2022 7 $84,802 71.4%
2023 7 $99,715 71.4%
2024 2 $109,803 50.0%
2025 8 $97,074 100.0%
2026 6 $93,933 100.0%
Processing Time (Filing to Decision)
7
Median Days
66
Average Days
7–9
P25–P75 Range
38
Cases with Data
By Program
Program Median Days Avg Days P25–P75 Cases
H-1B 7 7 7–7 31
PERM 371 329 223–428 7
Processing Time Trend
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Data Source: U.S. Department of Labor (DOL) H-1B and green card (PERM) disclosure data. Represents Base Salary only (excludes RSUs, signing bonuses, and variable compensation). Data shown for fiscal years 2021 to present. Last updated: October 12, 2026