Summary
Updated Aug 31, 2026
Liane K. Hinrichs is Director of MATRIX SERVICE CO (MTRX). 2 SEC Form 4 filings on record going back to 2024, most recently on 5 November 2025.
Recent Transactions
2Every recent SEC Form 4 transaction Liane K. Hinrichs has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Liane K. Hinrichs go back to 2024: 2 primary Form 4 filings, an average of 0.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Liane K. Hinrichs files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Kevin S. Cavanah - $1.62M of MTRX open-market activity in the last 12 months
- John R. Hewitt - $450K of MTRX open-market activity in the last 12 months
- Justin D. Sheets - $229K of MTRX open-market activity in the last 12 months
- Shawn P. Payne - $198K of MTRX open-market activity in the last 12 months
- Nancy E. Austin - $47K of MTRX open-market activity in the last 12 months
- John D. Chandler - $29K of MTRX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Liane K. Hinrichs?
Liane K. Hinrichs is a corporate insider, tracked as Director of MATRIX SERVICE CO (MTRX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Liane K. Hinrichs last file a Form 4?
The most recent primary Form 4 on record is dated 5 November 2025, one of 2 filings going back to 2024.
Where can I see all of Liane K. Hinrichs's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow Liane K. Hinrichs and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial