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Dietrich Douglas T

In the past year, 1 open-market sale filing worth $1.76M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$1.76M
1 filing
Net
−$1.76M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Dietrich Douglas T as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

MTX Minerals Technologies Inc

CHAIRMAN AND CEO5 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 18, 2026 (view filing)May 144 daysDietrich Douglas TCHAIRMAN AND CEOSSale−21.6K$81.53−$1.76M−10.9%176.0K after
May 1, 2025 (view filing)Apr 301 dayDietrich Douglas TCHAIRMAN AND CEOPPurchase+2.00K$51.56+$103.1K+1.3%161.7K after
May 30, 2024 (view filing)May 28-292 daysDietrich Douglas TChairman and CEOSSale−37.0K$84.40−$3.12M−20.3%145.5K after2 lots
Dec 8, 2023 (view filing)Dec 71 dayDietrich Douglas TChairman and CEOSSale−13.7K$63.40−$866.2K−9.4%132.0K after
Sep 12, 2022 (view filing)Sep 84 daysDietrich Douglas TChairman and CEOSSale−16.3K$60.06−$978.9K−12.1%118.3K after