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Company · MTRX · CIK 866273

Matrix Service Co (MTRX) SEC filings and CIK.

MTRX’s SEC Central Index Key (CIK) is 0000866273, or 866273 without leading zeros. The SEC’s ticker file lists it as MATRIX SERVICE CO.

Ticker
MTRX
CIK
0000866273
Other tickers
None
Insider transactions, Q3 2026
52

Insider trading

In Q3 2026, insiders at Matrix Service Co reported 52 non-derivative transactions on 8 Forms 3, 4 and 5, including 0 open-market purchases and 0 sales. See every MTRX insider transaction →

Recent filings we observed

From our record of EDGAR’s latest-filings feed and sampled daily indexes. Not a complete filing history; use the filings API for that.
FiledFormAccession
2026-11-0630000866273-26-000090

Get MTRX SEC data through the API

Filing history
curl "https://sec-api.dev/api/v1/filings?cik=866273&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"
Company profile
curl "https://sec-api.dev/api/v1/companies/866273" \
  -H "Authorization: Bearer $SEC_API_KEY"
Reported XBRL facts
curl "https://sec-api.dev/api/v1/facts/866273?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Matrix Service Co on SEC.gov

Questions

What is MTRX’s CIK number?

MTRX’s SEC Central Index Key (CIK) is 0000866273, or 866273 without leading zeros. The SEC’s ticker file lists it as MATRIX SERVICE CO.

How do I find Matrix Service Co’s 10-K?

Request /api/v1/filings?cik=866273&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-02. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/mtrx.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.