Original filing (PDF)20250911121627NAL0000484305001

THE WORKERS' COMPENSATION RATING AND INSPECTION BUREAU OF MASS.

Name: THE WORKERS' COMPENSATION RATING AND INSPECTION BUREAU OF MASS. — INSURANCE ORGANIZATIONS' SAVINGS TRUST 401(K) PLAN, Form 5500 (2024)
Creator: THE WORKERS' COMPENSATION RATING AND INSPECTION BUREAU OF MASS.

Form 5500

FILING_RECEIVED

INSURANCE ORGANIZATIONS' SAVINGS TRUST 401(K) PLAN

401(k) retirement plan

Active participants

Accounts w/ balance

Plan assets (EOY)

—

Net assets (EOY)

—

How this plan invests

This plan

1 collective trust

Schedule D

Individual securities

on each trust's filing

This plan doesn't hold securities directly — it invests through trusts. Click a trust below to drill into its securities.

Plan health score

Top-tier plan health

Directional indicator from public Form 5500 data — compliance & integrity, total plan cost, participant health and vendor stack, benchmarked against same-size peers. Not a fiduciary tool. Based on 70% of scoring inputs for this filing.

Compliance & integrity

100

Total plan cost

n/a

Plan health

Vendor & structure

100

Helping the score

Cost not scored — no comparable Schedule H expense data for this cohort.
High account-holder ratio — balance-holders per active participant in the top 15% of peers (89th percentile).

Decision-maker contacts

One unlock reveals every key decision-maker — plan signer, CFO, HR & Benefits — with verified email + LinkedIn for THE WORKERS' COMPENSATION RATING AND INSPECTION BUREAU OF MASS..

Plan sponsor

Name

THE WORKERS' COMPENSATION RATING AND INSPECTION BUREAU OF MASS.

EIN

04-1591010all filings

Address

101 ARCH STREET, 5TH FLOOR · BOSTON, MA · 02110

Phone

(617) 439-9030

Industry

Finance & Insurancesee all

Plan administrator

Name

NAMED FIDUCIARIES OF THE INSURANCE ORGANIZATIONS' SAVINGS TRUST

EIN

99-0882398

City

BOSTON, MA

Phone

(617) 439-9030

Plan characteristics

Plan number

002

Plan year

2024

Plan year begin

2024-01-01

Tax period

2024-12-31

Filed

2025-09-11

Pension benefit codes

2G · Total participant-directed accounts

2J · 401(k) feature

2T · Default investment account (QDIA)

2F · ERISA section 404(c)

2R · Participant-directed brokerage (SDBA)

3D · Pre-approved plan (master / prototype / VS)

2K · 401(m) arrangement

2E · Profit-sharing

Service providers (Schedule C)

No Schedule C providers reported

Investments

1 pooled fund· $1.6M

Rows tagged as a trust or pooled fund hold many underlying securities. Click one to drill into its own Schedule of Assets — where the individual funds, shares, and CUSIPs live.