Company facts
- Headquarters
- Tulsa, Oklahoma
- Most recent report
- 10-K, filed Sep 3, 2026
- Incorporated
- Delaware
- Filings on record
- 1,002+ filings
- On EDGAR
- CIK 866273
- Fiscal year ends
- June
- Filer status
- Accelerated filer
Financials 8 of 64
News 8 of 125
Prospectuses and Registrations 8 of 12
- S-8 Registration statement for an employee plan Nov 6, 2025
- S-8 Registration statement for an employee plan Nov 6, 2025
- S-8 Registration statement for an employee plan Nov 17, 2023
- S-8 Registration statement for an employee plan Dec 16, 2022
- S-8 Registration statement for an employee plan Nov 3, 2020
- S-8 Registration statement for an employee plan Oct 30, 2018
- S-8 Registration statement for an employee plan Nov 14, 2016
- S-8 Registration statement for an employee plan Apr 2, 2015
Proxies 8 of 29
- DEFA14A Extra proxy material Oct 21, 2025
- DEFA14A Extra proxy material Oct 15, 2025
- DEFA14A Extra proxy material Sep 29, 2025
- DEFA14A Extra proxy material Sep 24, 2025
- DEF 14A Proxy statement for a shareholder vote Sep 24, 2025
- DEFA14A Extra proxy material Sep 25, 2024
- DEF 14A Proxy statement for a shareholder vote Sep 25, 2024
- DEFA14A Extra proxy material Oct 5, 2023
Ownership 8 of 754
- 4 Insider reported a trade Sep 4, 2026
- 3 Insider reported their initial holding Sep 4, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 27, 2026
- 4 Insider reported a trade Aug 27, 2026
- 4 Insider reported a trade Jun 15, 2026
Other 8 of 18
- ARS Annual report sent to shareholders Sep 24, 2025
- ARS Annual report sent to shareholders Sep 25, 2024
- ARS Annual report sent to shareholders Oct 5, 2023
- NT 10-K Notice that an annual report will be late Sep 12, 2022
- UPLOAD Comment letter from SEC staff Mar 15, 2022
- CORRESP Reply to SEC staff Mar 7, 2022
- UPLOAD Comment letter from SEC staff Feb 18, 2022
- PREC14A Sep 6, 2017
Everything here comes from Matrix Service Co's own filings on SEC EDGAR. The filing list is rechecked every hour.