DOUGLAS T DIETRICH

CIK 1408736 · CHAIRMAN AND CEO · last filed 2026-05-28

DOUGLAS T DIETRICH is a CHAIRMAN AND CEO who has filed 86 SEC Form 4 insider transactions across 2 companies since 2008. The most recent filing, for KMTw, was dated May 28, 2026. Across all open-market trades the lifetime net is −$9.0M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $15.8M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$15.80M

Companies

2

Total Filings

86

Lifetime Open-Market Net

-$8.98M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
KMTw Director 841 $0 9 2026-05-28
MTX CHAIRMAN AND CEO 202,276 $78.12 $15.80M -$8.98M 77 2026-05-18

Recent Filings

86 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-28 KMTw Grant (A) $0 EDGAR
2026-05-18 MTX Mixed -$75.6K EDGAR
2026-02-26 KMTw Grant (A) $0 EDGAR
2026-02-03 KMTw Mixed +816 $28.1K EDGAR
2026-01-27 MTX Mixed +9,895 -$842.8K EDGAR
2026-01-23 MTX Mixed +4,403 -$376.8K EDGAR
2026-01-22 MTX Grant (A) $0 EDGAR
2025-11-25 KMTw Grant (A) $0 EDGAR
2025-08-27 KMTw Grant (A) $0 EDGAR
2025-08-18 KMTw Grant (A) $0 EDGAR
Showing 110 of 86
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.