H-1B Filings
1
DOL labor condition applications on file
Mersana Therapeutics, Inc. in MA (Professional & Technical Services) pairs H-1B sponsorship (1 LCAs) with WARN history (1 notice) and has no employer OSHA injury log here.
Mersana Therapeutics, Inc. (MA): · 1 H-1B LCA at a $121,275 disclosed median · 1 WARN notice
According to DOL OFLC H-1B disclosures, OSHA ITA injury logs, and state WARN Act notices, Mersana Therapeutics, Inc. in MA carries 1 H-1B wage filing on record, a $121,275 median wage (above the $120,000 national median) and 1 WARN layoff notice on file. H-1B filing volume ranks #17,049 of 36,919 sponsors in this corpus (about the 0th percentile). Every figure is a federal filing, not an estimate; see methodology for coverage limits.
Layoff & federal record
According to U.S. Department of Labor, OSHA, and state WARN Act filings, Mersana Therapeutics, Inc. carries 1 H-1B wage filing on record, a $121,275 median wage (above the $120,000 national median) and 1 WARN layoff notice on file. In this corpus, H-1B filing volume ranks #17,049 of 36,919 sponsors in this corpus (about the 0th percentile), and disclosed median wage sits at the 51st percentile of 178,031 credible H-1B wage rows.
Figures above come from DOL H-1B LCAs and state WARN notices; no employer OSHA injury log is on file here.
H-1B Filings
1
DOL labor condition applications on file
Median H-1B Salary
$121,275
Across 1 disclosed positions
WARN Workforce Impact
124 workers
1 WARN Act notice on file
Where Mersana Therapeutics, Inc.'s H-1B wage sits nationally
Median disclosed wage vs. all US employers with H-1B filings
$121,275 Top 49% higher than 51% of 178,031 US employers
Each bar is a $20K-wide band; taller bars hold more US employers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source DOL Office of Foreign Labor Certification, H-1B Disclosure Data · August 2026
| Field | Value | Source |
|---|---|---|
| Employer Name | Mersana Therapeutics, Inc. | DOL OFLC / WARN |
| Industry | Professional & Technical Services | NAICS / DOL |
| State | MA | U.S. Federal Records |
| H-1B Filings | 1 | DOL OFLC LCA Disclosure |
| H-1B Median Salary | $121,275 | DOL OFLC LCA Disclosure |
| WARN Layoff Notices | 1 notice(s), 124 workers | WARN Act notices, state workforce agency originals (archival backstop: LayoffData.com) |
| Tracks not on file | employer OSHA injury log | Empty by design, not estimated |
Mersana Therapeutics, Inc.'s values above reflect the most recent DOL Labor Condition Applications, WARN Act notices on file for this employer in MA (Professional & Technical Services). In this corpus, H-1B filing volume ranks #17,049 of 36,919 sponsors in this corpus (about the 0th percentile); disclosed median wage sits at the 51st percentile of 178,031 credible H-1B wage rows; WARN notice count sits below 3% of 290,575 employers (more notices elsewhere).
| Job Title | Median |
|---|---|
| Principal Associate Scientist, Biology/Immuno-Oncology | $121,275 |
Mersana Therapeutics, Inc. operating in MA within the Professional & Technical Services sector: the company has filed 1 H-1B labor condition applications, of which 1 disclose a usable wage figure with a median of $121,275. Records here combine U.S. Department of Labor disclosures and state workforce agency filings.
1 WARN Act notice affecting 124 workers has been filed against Mersana Therapeutics, Inc. in MA. Multiple notices can mean consolidations or broader restructuring; weigh them next to this employer's pay and safety signals, and the employer's own disclosures, when judging an offer.
Mersana Therapeutics, Inc. is one of the rarer profiles that carries both sponsorship volume (1 H-1B LCAs) and WARN history (1 notice) in the same public record for Professional & Technical Services in MA. Weigh those two signals separately before treating either as the whole story.
Mersana Therapeutics, Inc.'s nearest H-1B-filing peers in Professional & Technical Services (home state MA). Each card links to that employer's federal-records profile.
| Notice Date | Workers |
|---|---|
| 2023-07-27 | 124 |
What to check before working with Mersana Therapeutics, Inc.
Mersana Therapeutics, Inc. needs a three-way read: H-1B pay (1 LCAs), safety, and WARN history (1 notice); none of those alone is the rating.
Mersana Therapeutics, Inc.'s figures are legally filed public records (DOL, OSHA, state WARN), not reviews or vendor estimates; a missing row is not proof the underlying activity never happened.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from OSHA and the DOL Wage and Hour Division. Consult a qualified professional before making decisions based on this data.
Learn more: Safety Grades Explained | H-1B Salary Negotiation
Read our methodology - how this data is sourced, computed, and verified.
This profile is rendered directly from DOL H-1B disclosure filings and state WARN Act layoff notices, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.