MTX
MINERALS TECHNOLOGIES INC · Manufacturing · Market cap $2.1B
Insiders sold $2.2M net in the last 90 days ·2 sellers, 0 buyers· latest Form 4 filed May 18, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$4.1M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Latest filing
May 18, 2026
DIETRICH DOUGLAS T
MINERALS TECHNOLOGIES INC (MTX) has 20 SEC Form 4 filings (55 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: May 18, 2026.
Inside the rolling window, 4 insiders at MINERALS TECHNOLOGIES INC reported no open-market purchases and 4 open-market sales totaling $4.1M. Insiders have net sold $4.1M over the trailing 6 months. The most recent open-market filing is a sale of 21,568 shares by CHAIRMAN AND CEO DIETRICH DOUGLAS T, dated May 14, 2026, worth $1.8M.
- Industry:Chemicals - Specialty
- CEO:Douglas T. Dietrich
- Employees:3,782
- HQ:New York City, NY, US
- IPO:1992-10-23
| Source | |||||||
|---|---|---|---|---|---|---|---|
DIETRICH DOUGLAS TFirst filing | CHAIRMAN AND CEO | Sale | 21,568 | $1.8M | May 18 | -12.0% | SEC ↗ |
JORDAN TIMOTHYFirst filing | Vice President | Sale | 6,000 | $482K | May 13 | -19.3% | SEC ↗ |
MONAGLE DJ IIIFirst filing | Group President | Sale | 23,093 | $1.4M | Dec 31 | +9.7% | SEC ↗ |
ARGIRAKIS BRETTFirst filing | Group President | Sale | 6,501 | $381K | Nov 25 | +13.0% | SEC ↗ |
Earnings: last 7 quarters
Congress trading MTX 11 all-time
- DRep. Gilbert CisnerosPurchase$1,001 - $15,0002026-07-10
- DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002026-07-09
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002026-01-05
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002026-01-05
- DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002025-05-06
- DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002025-05-06
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does MTX have?
MINERALS TECHNOLOGIES INC (MTX) has 20 SEC Form 4 filings (55 transaction rows) in the rolling 365-day window, disclosed by 4 distinct insiders. Most recent filing: May 18, 2026.
When was the most recent SEC Form 4 filing for MTX?
The most recent Form 4 filing for MTX on Tracefour is dated May 18, 2026.
What is the net insider flow at MTX over the last 6 months?
Over the trailing 180 days, insiders at MTX have net sold $4.1M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at MTX in the current window?
Inside the rolling window, insiders at MTX bought $0 and sold $4.1M based on SEC Form 4 filings.
Can I get alerts for MTX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at MINERALS TECHNOLOGIES INC (MTX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
MINERALS TECHNOLOGIES INC is in the Manufacturing sector.