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Form 5500 · Employee benefit plan · ANDOVER, MA

MERCURY SYSTEMS, INC.

The filing calls this plan MERCURY SYSTEMS INC. HEALTH AND WELFARE PLAN.

Public Form 5500 records show how MERCURY SYSTEMS, INC. of ANDOVER, MA, a manufacturing employer, structures its employee benefits. Its broker of record is CUSTOM BENEFIT PROGRAMS INC. Coverage is written through BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC. and 6 other carriers. The plan's most recent policy period ended in December.

Benefits broker of record
Policy year ends
Decemberas filed for plan year 2024

Sourced from U.S. DOL EFAST2 Form 5500 · EIN 04-2741391 · plan 502 · plan year 2024, filed Jul 29, 2025

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1,456 other employer plans in Massachusetts have policy years ending in December. See the full list on the renewal calendar, or ask for it in Claude or ChatGPT.

How this plan is funded

Fully insured as reported

The filing reports medical coverage through an insurance contract on Schedule A, and no money paid for benefits by the plan itself.

All participants at the start of the year
2,482
Active at start of year
2,439
Active at end of year
2,244
Disclosed commissions
$199,402
Typical renewal
January 1

Benefits declared on this filing

Healthinsured — BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC.3,675 of 2,482 participants on the largest contract
Dentalinsured — METROPOLITAN LIFE INSURANCE COMPANY4,039 of 2,482 participants
Visioninsured — VISION SERVICE PLAN1,753 of 2,482 participants (71%)
Lifeinsured — PRUDENTIAL INSURANCE COMPANY OF AMERICA2,690 of 2,482 participants
Disabilityinsured — PRUDENTIAL INSURANCE COMPANY OF AMERICA2,690 of 2,482 participants

Also declared: prepaid legal, severance, death benefits, other welfare.

Declared benefits are the plan’s own line 8b codes on Form 5500. “Not on Schedule A” means no insured contract for that line appears on this filing. That usually means the benefit is self-funded, or it sits under a different plan number.

Where a line has more than one insured contract, the carrier and the covered figure are the largest contract's by premium. The contracts are not added up: a pharmacy carve-out and the medical carrier beside it cover the same people.

Persons covered is the count the carrier filed for that policy at the end of its policy year, and it can include dependents. Participants is the plan's own count at the start of its plan year. The two count different people, so a covered figure can be larger.

Plan brief

Schedule A lists 11 insured contracts covering health, dental, vision, life and disability; the largest, with BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC., covers 3,675 people.

Reported premium across the insured contracts is $33,394,851, with $199,402 in disclosed broker commissions — about 0.6% of premium.

The most recent policy period ended in December, and the plan year ends December 31. Group contracts typically renew on that annual cycle.

CUSTOM BENEFIT PROGRAMS INC is the broker of record on 4 of the 11 contracts; the rest name a different broker or none.

7 carriers appear on the filing, including BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC., METROPOLITAN LIFE INSURANCE COMPANY, PRUDENTIAL INSURANCE COMPANY OF AMERICA and VISION SERVICE PLAN. BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC. writes the largest contract by premium.

Schedule A insurance contracts

CarrierBenefitsCoveredRenewsPremiumCommission
METROPOLITAN LIFE INSURANCE COMPANY—778Jan 1, 2025$180,262$59,513
METROPOLITAN LIFE INSURANCE COMPANYHealth2,754Jan 1, 2025$310,654$58,064
METROPOLITAN LIFE INSURANCE COMPANY—796Jan 1, 2025$167,483$38,832
METROPOLITAN LIFE INSURANCE COMPANYHealth929Jan 1, 2025$91,255$34,659
METROPOLITAN PROPERTY AND CASUALTY INSURANCE CO.—324Jan 1, 2025$91,913$8,334
BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC.Health3,675Jan 1, 2025$27,961,298$0
METROPOLITAN LIFE INSURANCE COMPANYDental4,039Jan 1, 2025$2,509,027$0
PRUDENTIAL INSURANCE COMPANY OF AMERICALife, Disability2,690Jan 1, 2025$1,711,017$0
VISION SERVICE PLANVision1,753Jan 1, 2025$349,931$0
UNUM LIFE INSURANCE COMPANY OF AMERICA—11Jan 1, 2025$22,011$0
FEDERAL INSURANCE COMPANY—2,244Jan 1, 2025—$0

Premium and claims on these contracts

BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC., contract 4959976. For the contract year on this filing, the carrier reported $27,961,298 in premium earned and $25,996,830 in claims incurred. Dividing one by the other gives 93%.

VISION SERVICE PLAN, contract 30036348. For the contract year on this filing, the carrier reported $349,931 in premium earned and $256,113 in claims incurred. Dividing one by the other gives 73%.

  • BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC., contract 4959976 reported $1,964,468 in retention.
  • VISION SERVICE PLAN, contract 30036348 reported $52,490 in retention.

Retention is what the carrier kept of the premium after claims, as reported: administration, commissions and other charges.

Only experience-rated contracts report these figures, so most filings leave them blank.

Covered = persons covered at policy year end, as filed on Schedule A for that policy — often certificates or one class, not the whole plan. Premium = the filing’s own premium/charges figure; “—” means not credibly reported.

See the filing at the Department of Labor

Administrator and service providers

Plan administrator on the filing
MERCURY SYSTEMS, INC.
EIN 04-2741391

The plan administrator is from line 3a of the main form. We publish company names only.

Reported to OSHA

Reported to OSHA for 2025: 1,906 employees, 12 recordable cases, 7 days away from work.

EmployeesThe company's own average for the year
1,906
Hours worked
3,622,215
Recordable cases
12
Days away from work
7
Establishments filed under this EIN
18

Source: OSHA Injury Tracking Application establishment data, 2025.

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