DIETRICH DOUGLAS T
CHAIRMAN AND CEO
DIETRICH DOUGLAS T has filed 4 SEC Form 4 filings (10 transaction rows) across 2 companies, including MTX, KMT, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: May 18, 2026.
On the most recent filing, DIETRICH DOUGLAS T is listed as CHAIRMAN AND CEO at MINERALS TECHNOLOGIES INC. Inside the rolling window, DIETRICH DOUGLAS T reported no open-market purchases and 1 open-market sale totaling $1.8M in MTX.
Companies traded
Other insiders at MTX
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.8M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has DIETRICH DOUGLAS T made?
DIETRICH DOUGLAS T has filed 4 SEC Form 4 filings (10 transaction rows) across 2 companies, including MTX, KMT since 2026.
Which companies does DIETRICH DOUGLAS T trade?
DIETRICH DOUGLAS T has filed SEC Form 4 disclosures for 2 companies, including MTX, KMT.
When was DIETRICH DOUGLAS T's most recent SEC Form 4 filing?
DIETRICH DOUGLAS T's most recent SEC Form 4 filing on Tracefour is dated May 18, 2026.
What is DIETRICH DOUGLAS T's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, DIETRICH DOUGLAS T is listed as CHAIRMAN AND CEO.
What is DIETRICH DOUGLAS T's total buy and sell value in the current window?
Inside the rolling retention window, DIETRICH DOUGLAS T bought $0 and sold $1.8M based on SEC Form 4 filings.
What was DIETRICH DOUGLAS T's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 21,568 MTX shares on 2026-05-14, worth $1.8M, per SEC Form 4 filings.