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CORNERSTONE CORPORATION — CORNERSTONE CORPORATION EMPLOYEE RETIREMENT PLAN, Form 5500 (2024) | Form 5500 Search
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Original filing (PDF)
20250521110403NAL0001832001001
CORNERSTONE CORPORATION
Form 5500-SF
FILING_RECEIVED
CORNERSTONE CORPORATION EMPLOYEE RETIREMENT PLAN
401(k) retirement plan
Active participants
42
Accounts w/ balance
43
Plan assets (EOY)
$9.9M
Net assets (EOY)
$9.9M
Plan health score (directional)
89
/ 100
Grade A
Top-tier plan health
Directional indicator computed from public Form 5500 data — compliance, concentration, cost, vendor stack and participation. Not a fiduciary tool.
Compliance & disclosures
100
Concentration risk
75
Total plan cost
75
Vendor stack
100
Participation health
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for
CORNERSTONE CORPORATION
.
Find decision makers
Plan sponsor
Name
CORNERSTONE CORPORATION
EIN
04-3056848
Address
ONE UNIVERSITY AVENUE · SUITE 110 · WESTWOOD, MA · 02090
Phone
(781) 407-2100
Industry
Real Estate
see all
Plan administrator
Same as plan sponsor.
Plan characteristics
Plan number
001
Plan year
2024
Plan year begin
2024-01-01
Tax period
2024-12-31
Filed
2025-05-21
Pension benefit codes
2E · Profit-sharing
2F · ERISA section 404(c)
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
2T · Default investment account (QDIA)
3D · Pre-approved plan (master / prototype / VS)
Audit & trust (Schedule H)
Service providers (Schedule C)
Small plans don't disclose service providers
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Helping the score
Concentration not scored — Schedule of Assets PDF not yet parsed for this plan.
No Schedule C compensation disclosed — likely a small plan or unbundled.
Auditor
—
Trustee / custodian
—
Trustee phone
—
Small plan (5500-SF) — Schedule H data not available.
$9.7M · 53 participants
SCHOSTAK BROTHERS & COMPANY, INC.
SCHOSTAK BROTHERS & COMPANY, INC. 401(K) PLAN
$9.7M · 52 participants
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