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Original filing (PDF)20250422161742NAL0002974979001
CMC MATERIALS, INC.
Form 5500
FILING_RECEIVED
CMC MATERIALS, INC. 401(K) PLAN
401(k) retirement plan
Signals · 1
Late filing · 5.3 mo
Active participants
0
Accounts w/ balance
0
Plan assets (EOY)
$0
Net assets (EOY)
$0
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 (directional)
82
/ 100
Grade B
Above-average plan
Directional indicator computed from public Form 5500 data — compliance, concentration, cost, vendor stack and participation. Not a fiduciary tool.
Compliance & disclosures
79
Concentration risk
75
Total plan cost
75
Vendor stack
100
Participation health
100
Knocking points off
- Filed 5.3 months past the 10.5-month grace window.
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.
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for CMC MATERIALS, INC..
Plan sponsor
Name
CMC MATERIALS, INC.
EIN
36-4324765
Address
129 CONCORD ROAD · BILLERICA, MA · 01821
Phone
(630) 375-6631
Industry
Manufacturingsee all
Plan administrator
Same as plan sponsor.
Plan characteristics
Plan number
001
Plan year
2023
Plan year begin
2023-01-01
Tax period
2023-12-29
Filed
2025-04-22
Pension benefit codes
2F · ERISA section 404(c)
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
2S · Automatic enrollment
2T · Default investment account (QDIA)
3D · Pre-approved plan (master / prototype / VS)
3F · Sponsor used leased employees
3H · Sponsor in controlled / affiliated group
2E · Profit-sharing
Audit & trust (Schedule H)
Auditor
GRANT THORNTON LLP
Trustee / custodian
—
Trustee phone
—
Service providers (Schedule C)
1 rowsRecordkeeper
1| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| FIDELITY INVESTMENTS INSTITUTIONAL | 04-2647786 | — | RECORDKEEPER | -$207K | — |
Investments
1 pooled fund· $0
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.
| Investment | Type | Current value | % of plan |
|---|---|---|---|
| MIP CL 1 FIDELITY MANAGEMENT TRUST COMPANY · EIN 04-3022712 / PN 024 | Common Collective Trust | $0 | — |
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