DIETRICH DOUGLAS T

Director · Officer · KMT, MTX

As of 2026-09-16, DIETRICH DOUGLAS T has 39 Form 4 transactions on record across 2 companies — 22 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $507KIndirect: $0$507Kas of 2026-09-16
  • Direct $507K
  • Indirect $0
KMTdirect17,085 sh$507K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

MTX · 26 trades
2026-05-14: Sale, 21,568 sh ($1.8M)2026-05-14: Option exercise, 21,568 sh ($1.7M)2026-05-14: Option exercise, 21,568 sh ($0)2026-01-26: Withheld for tax, 6,152 sh ($424K)2026-01-26: Option exercise, 11,123 sh ($0)2026-01-26: Option exercise, 11,123 sh ($0)2026-01-23: Withheld for tax, 6,092 sh ($419K)2026-01-23: Option exercise, 11,016 sh ($0)2026-01-23: Option exercise, 11,016 sh ($0)2026-01-21: Withheld for tax, 5,630 sh ($377K)2026-01-21: Option exercise, 10,033 sh ($0)2026-01-21: Option exercise, 10,033 sh ($0)2026-01-20: Award / grant, 33,494 sh ($0)2026-01-20: Award / grant, 39,000 sh ($0)2025-04-30: Purchase, 2,000 sh ($103K)2025-01-27: Withheld for tax, 5,281 sh ($402K)2025-01-27: Option exercise, 9,549 sh ($0)2025-01-27: Option exercise, 9,549 sh ($0)2025-01-24: Withheld for tax, 6,152 sh ($466K)2025-01-24: Option exercise, 11,124 sh ($0)2025-01-24: Option exercise, 11,124 sh ($0)2025-01-23: Withheld for tax, 6,129 sh ($464K)2025-01-23: Option exercise, 11,017 sh ($0)2025-01-23: Option exercise, 11,017 sh ($0)2025-01-21: Award / grant, 25,848 sh ($0)2025-01-21: Award / grant, 30,098 sh ($0)
KMT · 13 trades
2026-08-25: Award / grant, 982 sh ($29K)2026-08-15: Award / grant, 4,965 sh ($0)2026-05-26: Award / grant, 697 sh ($26K)2026-02-24: Award / grant, 642 sh ($26K)2026-01-30: Option exercise, 841 sh ($29K)2026-01-30: Withheld for tax, 25 sh ($860)2026-01-30: Option exercise, 841 sh ($0)2025-11-24: Award / grant, 893 sh ($24K)2025-08-26: Award / grant, 991 sh ($21K)2025-08-15: Award / grant, 6,898 sh ($0)2025-05-27: Award / grant, 977 sh ($21K)2025-02-25: Award / grant, 635 sh ($14K)2025-02-01: Award / grant, 2,523 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-14MTXSale21,568 @ $81.53$1.8M−10.9% of holding175,973Form 4
2025-04-30MTXPurchase2,000 @ $51.56$103K+1.3% of holding161,675Form 4
37 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-25KMTAward / grant98217,085Form 4
2026-08-15KMTAward / grant4,9654,965Form 4
2026-05-26KMTAward / grant69711,307Form 4
2026-05-14MTXOption exercise21,568197,541Form 4
2026-05-14MTXOption exercise21,5680Form 4
2026-02-24KMTAward / grant64210,603Form 4
2026-01-30KMTOption exercise841841Form 4
2026-01-30KMTWithheld for tax25816Form 4
2026-01-30KMTOption exercise8411,682Form 4
2026-01-26MTXWithheld for tax6,152175,973Form 4
2026-01-26MTXOption exercise11,12370,081Form 4
2026-01-26MTXOption exercise11,123182,125Form 4
2026-01-23MTXWithheld for tax6,092171,002Form 4
2026-01-23MTXOption exercise11,016177,094Form 4
2026-01-23MTXOption exercise11,01681,204Form 4
2026-01-21MTXWithheld for tax5,630166,078Form 4
2026-01-21MTXOption exercise10,03392,220Form 4
2026-01-21MTXOption exercise10,033171,708Form 4
2026-01-20MTXAward / grant33,49433,494Form 4
2026-01-20MTXAward / grant39,000102,253Form 4
2025-11-24KMTAward / grant8939,658Form 4
2025-08-26KMTAward / grant9918,596Form 4
2025-08-15KMTAward / grant6,8986,898Form 4
2025-05-27KMTAward / grant9771,619Form 4
2025-02-25KMTAward / grant635635Form 4
2025-02-01KMTAward / grant2,5232,523Form 4
2025-01-27MTXWithheld for tax5,281159,675Form 4
2025-01-27MTXOption exercise9,549164,956Form 4
2025-01-27MTXOption exercise9,54963,253Form 4
2025-01-24MTXWithheld for tax6,152155,407Form 4
2025-01-24MTXOption exercise11,124161,559Form 4
2025-01-24MTXOption exercise11,12472,802Form 4
2025-01-23MTXWithheld for tax6,129150,435Form 4
2025-01-23MTXOption exercise11,01783,926Form 4
2025-01-23MTXOption exercise11,017156,564Form 4
2025-01-21MTXAward / grant25,84825,848Form 4
2025-01-21MTXAward / grant30,09894,943Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.