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Amphastar Pharmaceuticals

#7,512 H-1B sponsor of 76,738#123 Pharma & biotech sponsor of 1,27034% roles at wage level III and IV
H-1B Visa Sponsorship 2026

Pharma & biotech Β· H-1B sponsor Β· FY2017–2026

🏒 Rancho Cucamonga, CA HQ🌐 amphastar.com

Does Amphastar Pharmaceuticals sponsor H-1B visas and green cards?

Yes. Amphastar Pharmaceuticals has filed 79 H-1B LCAs and 15 PERM green-card cases with the U.S. Department of Labor between FY2017 and FY2026. In FY2025–2026 Amphastar Pharmaceuticals filed 12 H-1B LCAs at a median base salary of $102,669, about 16% below the national H-1B median of $121,966 for the same period, and 2 green-card cases were decided.

H-1B filings
79
(FY2017–2026)
Median base pay
$103k
from 12 filings (FY2025–2026)
Pay vs market
-16%
below national median ($122k, FY2025–2026)
Green-card (PERM) filings
15
(FY2017–2025)

H-1B pay & filings by year

Median base salary (line) and H-1B filing volume (bars), by fiscal year

Show the numbers behind this chart
Amphastar Pharmaceuticals H-1B LCA filings and median base salary by fiscal year
Fiscal yearH-1B LCA filingsMedian base salary
FY2026 (partial)6$94k
FY20256$103k
FY20242$110k
FY20235$100k
FY20226$89k
FY20216$64k
FY20209$66k
FY201920$63k
FY20188$68k
FY201711$70k

A fiscal year marked partial is still in progress, so its total is lower than a complete year and the two are not comparable.

H-1B wage floor & filing outcomes

What this employer pays against the DOL legal minimum, how senior the roles are, and how the filings were decided

Pay vs the legal floor
$70k
6% above the $66k prevailing wage
Role seniority (wage levels)
66% entry to mid
30221512
LCA decisions
81.0% certified
64 of 79 filings
Withdrawn 15
USCIS I-129 petition outcomes Β· FY2017–2023
Approved13 petitions
Denied0 petitions
LCA filings by type
New employment41 filings51.9%
Transfers in9 filings11.4%
Renewals29 filings36.7%

Green-card (PERM) pay & filings by year

Median green-card offer (line) and PERM filing volume (bars), by fiscal year †

Show the numbers behind this chart
Amphastar Pharmaceuticals green-card (PERM) filings and median offered wage by fiscal year
Fiscal yearPERM filingsMedian base salary
FY20252$74k
FY20232$104k
FY20221$71k
FY20212$78k
FY20205$74k
FY20192$93k
FY20171$38k

Green-card route and outcomes

Visa held when the green card was filed
H-1B11B-21TN1

Worker backgrounds Β· FY2017–2024

Where their green-card (PERM) workers studied & came from

Countries of citizenship
China8Canada2South Korea1Taiwan1
Top schools
University of Dayton3University of South Florida2Columbia University1Southern Methodist University1Texas Am University1
View more β†’
Fields of study
Mechanical Engineering5Chemical Engineering2Accounting2Applied Mathematics and Statistics1Economics1
Degrees
Master's12Bachelor's1

Patents

Granted
27
US patents
Published, not yet granted
23
applications
Most recent grant
March 3, 2026
Top area
Preparations for medical15
Other top areas
Containers specially adapted for medical or pharmaceutical3Sugars; derivatives thereof; nucleosides; nucleotides2Heterocyclic compounds2Machines1

Pay against the local market

Amphastar Pharmaceuticals’s 10 most-filed occupations and metros. Its median base salary is 101% of the local BLS median for the same work.

OccupationMetroFilingsAmphastar Pharmaceuticals payLocal BLS median‑vs market
Mechanical EngineersRiverside, CA15$78,506$88,88988%
ChemistsRiverside, CA12$62,106$75,61782%
Chemical EngineersRiverside, CA9$110,559$66,643166%
Market Research Analysts and Marketing SpecialistsRiverside, CA7$77,471$61,864125%
StatisticiansRiverside, CA7$71,564$89,15480%
Industrial EngineersRiverside, CA4$61,859$80,27077%
Accountants and AuditorsRiverside, CA4$53,186$74,85371%
EpidemiologistsRiverside, CA3$117,926$64,490183%
Software DevelopersRiverside, CA3$86,049$119,46772%
Compensation, Benefits, and Job Analysis SpecialistsRiverside, CA3$65,423$70,54093%

About Amphastar Pharmaceuticals

Amphastar Pharmaceuticals is a pharma & biotech company based in Rancho Cucamonga, CA. It was founded in 1996. It is listed on Nasdaq as AMPH.

Legal name
Amphastar Pharmaceuticals, Inc.
Sponsoring since
FY2017 or earlier
Headquarters
11570 Sixth Street, Rancho Cucamonga, CA 91730
Industry
Pharma & biotech
Employees (global)
1,976 (2025)
Revenue FY2025
$720M -2% from $732M
Net income FY2025
$98M -39% from $160M
R&D FY2025
$86M (12% of revenue)

Amphastar Pharmaceuticals pays a median H-1B base of $70,117 across FY2017–2026, about 35% below the typical Pharma & biotech sponsor.

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