Yes, Mammoth Biosciences Inc. sponsors H1B visas. They have filed 14 LCA petitions with the DOL and hold a 92.9% approval rate. Average H1B salary: $119,123/yr.
14
Total H1B Filings
92.9%
Approval Rate
H-1B
Primary Visa Type
$119,123
Avg H1B Salary
92.9%
LCA certified / filed
13
LCA cases approved
$119,123
$77,000 – $154,500
14
1 withdrawn · 0 denied
Mammoth Biosciences Inc. is a verified H1B visa sponsor headquartered in Brisbane, CA. The company has filed 14 LCA petitions with the U.S. Department of Labor, achieving a 92.9% approval rate across all filings. H1B workers at Mammoth earn an average annual wage of $119,123, reflecting prevailing wage compliance across all sponsored roles. The company actively hires new H1B workers, with 4 new employment petitions on record. Mammoth also accepts H1B transfers, making it an option for workers already on H1B status looking to change employers. Based on DOL public disclosure data, Mammoth is considered a H1B sponsor in the CA region.
Types of H1B roles filed
0+ contacts who handle H1B filings for Mammoth Biosciences Inc.
LCA Immigration Contact
On file with DOL for Mammoth Biosciences Inc.
j•••••@mammothbiosci.com
(847) •••-••50
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4
New Employment
1
Transfers
2
Renewals
Mammoth Biosciences Inc. accepts H1B transfers, 1 transfer cases on record. You can start working immediately once the petition is filed.
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$119,123
Average annual salary · Based on 13 certified LCA filings
-10%
vs national H1B avg
($132,000)
Typical range by seniority
Based on prevailing wage levels filed
$104,829
Entry-level roles
$119,123
All-roles average
$145,330+
Principal / Staff
Salary Estimate by Experience Level
Level I, Entry
~$85,769
est. annual
Level II, Qualified
~$104,829
est. annual
Level III, Experienced
~$125,080
est. annual
Estimates derived from prevailing wage level multipliers applied to the $119,123 overall average. Source: DOL LCA public disclosure data.
Apply early in the fiscal year
Mammoth Biosciences Inc. has filed 14 LCA petitions over its history. Roles approved by April 1 are lottery-eligible for October start dates. Submit applications by February at the latest for the best selection timing.
Leverage H1B transfer eligibility
With 1 transfer petitions on file, Mammoth clearly accepts H1B portability. If you're already on H1B status with another employer, you can start working at Mammoth as soon as the petition is filed, no need to wait for approval.
Benchmark your salary against Mammoth's LCA wages
The average wage at Mammoth Biosciences Inc. across all LCA filings is $119,123. When negotiating, ensure your offered salary meets or exceeds the DOL prevailing wage for your SOC code and location, this is required on the LCA form.
Get your documents in order before your offer
Have your degree certificates, transcripts, and prior visa documents ready before Mammoth's HR initiates the petition. Gaps in documentation are the top cause of RFEs (Requests for Evidence) from USCIS.
Check Mammoth's worksite state requirements
Mammoth Biosciences Inc. has sponsored workers in CA and other states. If your role involves remote work or multiple worksites, the employer must file an amended LCA for each primary worksite. Confirm your work location with HR during the offer stage.
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Does Mammoth Biosciences Inc. sponsor H1B visas?
Yes, Mammoth Biosciences Inc. is a verified H1B sponsor with 13 certified LCA petitions on file with the U.S. Department of Labor. Their overall approval rate is 92.9%, based on public LCA disclosure data.
Does Mammoth Biosciences Inc. accept H1B transfers?
Yes, Mammoth Biosciences Inc. has filed 1 H1B transfer (change of employer) petitions. Under H1B portability rules, you can begin working at Mammoth Biosciences Inc. as soon as the transfer petition is filed, without waiting for approval.
What is the average H1B salary at Mammoth Biosciences Inc.?
Based on LCA filings, the average annual wage at Mammoth Biosciences Inc. is $119,123, with a range from $77,000 to $154,500. These are DOL prevailing wages filed as part of the H1B process.
Where does Mammoth Biosciences Inc. sponsor H1B workers?
Mammoth Biosciences Inc. has sponsored H1B workers at worksites in: CA. If your role involves a different state, the employer must file an amended LCA for that worksite.
Is Mammoth Biosciences Inc. a good H1B sponsor?
With a 92.9% LCA approval rate and 13 certified cases, Mammoth Biosciences Inc. is considered a strong H1B sponsor with a consistent track record of DOL compliance. All data is sourced from the DOL Foreign Labor Certification Data Center public disclosure records.
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Read the complete sponsorship guideLCA approval rates reflect DOL certification only and do not include USCIS I-129 adjudications.