U.S. Immigration Data

Priority dates, work visas, and labor market data

MANTRA BIO, 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

2

Total Filings

2021-Present

100.0%

Approval Rate

Certified Cases

$117,814

Median Salary

Across All Roles
Filings by Program
2
H-1B Filings
0
PERM Filings
Labor certification, the first green card step
Recent Filing Activity
By Program Type
Program Last Filing Dated filings (2021–Present)
H-1B Dec 27, 2022 2
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)
Scientist I, Exosome Engineering, Protein Sciences Group Dec 27, 2022 1
FORMULATION SCIENTIST Feb 23, 2021 1
Top Roles by Filings
Role Count Median Salary Min Max
FORMULATION SCIENTIST 1 $110,628 $110,628 $110,628
Scientist I, Exosome Engineering, Protein Sciences Group 1 $125,000 $125,000 $125,000
Salary Distribution (All Filings + Role Overlays)
10th Percentile

$112,065

25th Percentile

$114,221

Median (50th)

$117,814

75th Percentile

$121,407

90th Percentile

$123,563

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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 1 $110,628 100.0%
2023 1 $125,000 100.0%
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