DIETRICH DOUGLAS T

MTX

DIETRICH DOUGLAS T serves as director, officer: CHAIRMAN AND CEO at Minerals Technologies Inc. (MTX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$103.1K

Total Sells

6 trades

$7.94M

Net Position

Net Seller

$7.84M

Companies Traded

MTX

Active Period

Sep 2022 – May 2026

7 total trades

Most Recent

Sell MTX

May 18, 2026 · $1.76M

DIETRICH DOUGLAS T's Insider Trading at Minerals Technologies Inc. (MTX)

Buys

1 · $103.1K

Sells

6 · $7.94M

Total Shares Bought

2,000

Total Shares Sold

106,391

MTX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 18, 2026	Sell	21,568	$81.53	$1.76M	175,973
Jan 23, 2026	Sell	12,244	$68.83	$842.8K	0
Jan 21, 2026	Sell	5,630	$66.92	$376.8K	0
Apr 30, 2025	Buy	2,000	$51.56	$103.1K	0
May 30, 2024	Sell	36,988	$84.40	$3.12M	145,547
Dec 8, 2023	Sell	13,662	$63.40	$866.2K	132,040
Sep 12, 2022	Sell	16,299	$60.06	$978.9K	118,265