Question 1

Does Mammoth Biosciences Inc. sponsor H-1B visas?

Accepted Answer

Yes. Mammoth Biosciences Inc. has filed 13 H-1B Labor Condition Applications (LCAs) with the Department of Labor, covering 13 total positions. The median salary for Mammoth Biosciences Inc.'s sponsored positions is $127,150.

Question 2

What H-1B salary does Mammoth Biosciences Inc. pay?

Accepted Answer

Mammoth Biosciences Inc. pays a median H-1B salary of $127,150 for sponsored positions. Employers are required to pay H-1B workers at least the prevailing wage set by the DOL for the occupation and area. The wage level distribution on this page shows how Mammoth Biosciences Inc.'s positions break down across entry-level (Level I) through expert (Level IV) roles.

Question 3

Does Mammoth Biosciences Inc. also sponsor green cards?

Accepted Answer

Yes. Mammoth Biosciences Inc. has filed 1 PERM labor certification applications for employer-sponsored green cards, with a 100% approval rate. See the Green Cards tab for full PERM filing details.

Question 4

What do the H-1B wage levels mean?

Accepted Answer

The DOL assigns prevailing wages at four levels based on the complexity of the job and experience required. Level I (Entry) is set at the 17th percentile of wages for the occupation and area. Level II (Qualified) is at the 34th percentile. Level III (Experienced) is at the 50th percentile (median). Level IV (Expert) is at the 67th percentile. Higher wage levels indicate more senior positions and are viewed more favorably in H-1B petition adjudication.

Question 5

Is Mammoth Biosciences Inc. an H-1B dependent employer?

Accepted Answer

No, Mammoth Biosciences Inc. is not classified as an H-1B dependent employer. An employer is considered H-1B dependent when 15% or more of its workforce holds H-1B visas.

Year	Filings	Certified
2025	2	2
2024	8	8
2023	3	3

Job Title	Salary	Location	Filed	Status
SCIENTIST II I-200-25261-319981	$145,000	BRISBANE, CA	Sep 18, 2025	Certified
Senior Scientist I I-200-25062-738126	$120,000	Brisbane, CA	Mar 3, 2025	Certified
Senior Project Manager I-200-24304-442901	$140,000	Brisbane, CA	Oct 30, 2024	Certified
Senior Project Manager I-200-24296-424930	$140,000	Brisbane, CA	Oct 22, 2024	Certified
Senior Scientist I I-200-24207-220555	$115,000	Brisbane, CA	Jul 24, 2024	Certified
Scientist I I-200-24106-886369	$110,000	Brisbane, CA	Apr 15, 2024	Certified
Associate Scientist I-200-24106-886365	$105,000	Brisbane, CA	Apr 15, 2024	Certified
Research Associate II I-200-24106-886368	$77,000	Brisbane, CA	Apr 15, 2024	Certified
Scientist II I-200-24106-886357	$127,150	Brisbane, CA	Apr 15, 2024	Certified
Scientist II, Protein Sciences I-200-24106-886370	$110,000	Brisbane, CA	Apr 15, 2024	Certified
Senior Scientist I-200-23332-527298	$154,500	Brisbane, CA	Nov 28, 2023	Certified
Scientist I I-200-23135-022586	$128,154	Brisbane, CA	May 15, 2023	Certified
Sr. Scientist I I-200-23123-990236	$150,000	Brisbane, CA	May 3, 2023	Certified

Mammoth Biosciences Inc. — H-1B Visa Sponsorship Data

Mammoth Biosciences Inc. LCA & H1B Filings

Certified Filings by Quarter

All LCA Filings

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