Form 5500 · Employee benefit plan · CAMBRIDGE, MA
MERSANA THERAPEUTICS, INC.
Public Form 5500 records show how MERSANA THERAPEUTICS, INC. (CAMBRIDGE, MA) structures its employee benefits. Its broker of record is MARSH & MCLENNAN AGENCY LLC (NE). Coverage is written through BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC. and 5 other carriers. The plan's most recent policy period ended in July.
Sourced from U.S. DOL EFAST2 Form 5500 · EIN 04-3562403 · plan 501 · as of Jul 2026
Schedule A insurance contracts
| Carrier | Benefits | Covered | Renews | Commission |
|---|---|---|---|---|
| BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC. | Health, Dental | 367 | July | $40,588 |
| UNUM LIFE INSURANCE COMPANY OF AMERICA | Life, Disability | 76 | July | $8,994 |
| AMERICAN HERITAGE LIFE INSURANCE COMPANY | Health | 55 | July | $3,443 |
| EYEMED VISION CARE ON BEHALF OF FIDELITY SECURITY LIFE INSURANCE CO | Vision | 164 | July | $1,970 |
| UNUM LIFE INSURANCE COMPANY OF AMERICA | Life | 15 | July | $1,951 |
| AMERICAN HERITAGE LIFE INSURANCE COMPANY | Health | 8 | July | $1,809 |
Questions
Who is MERSANA THERAPEUTICS, INC.'s benefits broker?
Per its most recent Form 5500 Schedule A, MERSANA THERAPEUTICS, INC.'s broker of record is MARSH & MCLENNAN AGENCY LLC (NE).
What insurance carrier does MERSANA THERAPEUTICS, INC. use?
MERSANA THERAPEUTICS, INC.'s benefit plan is written through BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC., among 6 disclosed carriers.
When does MERSANA THERAPEUTICS, INC.'s group plan renew?
The most recent Schedule A policy period for MERSANA THERAPEUTICS, INC. ended in July. Group plans typically renew on the same annual cycle.
Where does this data come from?
All figures are drawn from MERSANA THERAPEUTICS, INC.'s public Form 5500 filing with the U.S. Department of Labor (EFAST2). Form 5500 is a public record.