Insider Trading for MTX
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
Acquisitions: 99.112 shares
Dispositions: 0 shares
Net: 99.112 shares
Insiders have been net buyers recently, potentially signaling confidence in the company's short-term prospects.
Quarterly Activity (3 Months)
Acquisitions: 35.2K shares
Dispositions: 49.1K shares
Net: -13.9K shares
Insiders have been net sellers over the quarter, which institutional investors may view as a cautionary signal.
Key Insider Activity: Jan 21, 2026 to Jul 1, 2026
DIETRICH DOUGLAS T
ExecutiveChief Executive Officer
-39.4K shares
12 transactions
JORDAN TIMOTHY
ExecutivePresident
-9.1K shares
10 transactions
MONAGLE DJ III
ExecutivePresident
-554 shares
7 transactions
ARGIRAKIS BRETT
ExecutivePresident
-4.0K shares
9 transactions
Hastings Jonathan J
ExecutivePresident
-4.0K shares
9 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 1, 2026 | PITTMAN CAROLYN K | DDirector | Award/Grant | 99.112 | $0.00 | $0.00 | 20.7K | View |
| Jun 18, 2026 | ROBINSON MARC E | DDirector | Award/Grant | 40.992 | $0.00 | $0.00 | 26.9K | View |
| Jun 18, 2026 | PITTMAN CAROLYN K | DDirector | Award/Grant | 31.452 | $0.00 | $0.00 | 20.7K | View |
Jun 18, 2026 | Locked | — | — | — | — | — | — | — |
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May 20, 2026 | Locked | — | — | — | — | — | — | — |
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May 11, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
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Mar 6, 2026 | Locked | — | — | — | — | — | — | — |
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Jan 21, 2026 | Locked | — | — | — | — | — | — | — |
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Jan 21, 2026 | Locked | — | — | — | — | — | — | — |
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Jan 21, 2026 | Locked | — | — | — | — | — | — | — |
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Jan 21, 2026 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of MTX stock, though this may be part of planned diversification.