DOUGLAS T DIETRICH, the CHAIRMAN AND CEO of $MTX, sold 21,568 shares of the company on 05-14-2026 for an estimated $1,758,421. We received data on the trade from a recent SEC filing. This was a sale of approximately 10.9% of their shares of this class of stock. Following this trade, they now own 175,973 shares of this class of $MTX stock.
$MTX Insider Trading Activity
$MTX insiders have traded $MTX stock on the open market 4 times in the past 6 months. Of those trades, 0 have been purchases and 4 have been sales.
Here’s a breakdown of recent trading of $MTX stock by insiders over the last 6 months:
- DOUGLAS T DIETRICH (CHAIRMAN AND CEO) sold 21,568 shares for an estimated $1,758,421
- DJ III MONAGLE (Group President) sold 23,093 shares for an estimated $1,429,523
- TIMOTHY JORDAN (Vice President) sold 6,000 shares for an estimated $481,648
- BRETT ARGIRAKIS (Group President) sold 6,501 shares for an estimated $381,458
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$MTX Hedge Fund Activity
We have seen 141 institutional investors add shares of $MTX stock to their portfolio, and 141 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- MACQUARIE GROUP LTD removed 1,730,334 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $105,463,857
- FMR LLC added 1,541,104 shares (+56.6%) to their portfolio in Q1 2026, for an estimated $109,295,095
- AMERICAN CENTURY COMPANIES INC removed 299,382 shares (-22.7%) from their portfolio in Q1 2026, for an estimated $21,232,171
- BROAD BAY CAPITAL MANAGEMENT, LP removed 284,056 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $20,145,251
- VICTORY CAPITAL MANAGEMENT INC removed 281,056 shares (-95.0%) from their portfolio in Q4 2025, for an estimated $17,130,363
- FIRST TRUST ADVISORS LP removed 253,795 shares (-91.1%) from their portfolio in Q1 2026, for an estimated $17,999,141
- GLENMEDE TRUST CO NA added 176,444 shares (+inf%) to their portfolio in Q4 2025, for an estimated $10,754,261
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
$MTX Revenue
$MTX had revenues of $546.9M in Q1 2026. This is an increase of 11.2% from the same period in the prior year.
You can track MTX financials on Quiver Quantitative's MTX stock page.
You can access data on MTX stock through the Quiver Quantitative API.
$MTX Congressional Stock Trading
Members of Congress have traded $MTX stock 1 times in the past 6 months. Of those trades, 0 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $MTX stock by members of Congress over the last 6 months:
- REPRESENTATIVE GILBERT RAY CISNEROS, JR. sold up to $15,000 on 01/05.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.
$MTX Analyst Ratings
Wall Street analysts have issued reports on $MTX in the last several months. We have seen 2 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Truist Securities issued a "Buy" rating on 02/02/2026
- Freedom Capital Markets issued a "Buy" rating on 11/21/2025
To track analyst ratings and price targets for $MTX, check out Quiver Quantitative's $MTX forecast page.
$MTX Price Targets
Multiple analysts have issued price targets for $MTX recently. We have seen 2 analysts offer price targets for $MTX in the last 6 months, with a median target of $82.5.
Here are some recent targets:
- Peter Osterland from Truist Securities set a target price of $90.0 on 05/04/2026
- David Silver from Freedom Capital Markets set a target price of $75.0 on 11/21/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
