ARGIRAKIS BRETT

Officer · MTX

As of 2026-09-16, ARGIRAKIS BRETT has 25 Form 4 transactions on record across 1 company — 14 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: $1.5MIndirect: $0$1.5Mas of 2026-09-16
  • Direct $1.5M
  • Indirect $0
MTXdirect21,572 sh$1.5M

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 · 25 trades
2026-01-26: Withheld for tax, 1,163 sh ($80K)2026-01-26: Option exercise, 2,672 sh ($0)2026-01-26: Option exercise, 2,672 sh ($0)2026-01-23: Withheld for tax, 1,413 sh ($97K)2026-01-23: Option exercise, 3,247 sh ($0)2026-01-23: Option exercise, 3,247 sh ($0)2026-01-21: Withheld for tax, 1,457 sh ($98K)2026-01-21: Option exercise, 3,112 sh ($0)2026-01-21: Option exercise, 3,112 sh ($0)2026-01-20: Award / grant, 10,393 sh ($0)2026-01-20: Award / grant, 12,101 sh ($0)2025-11-21: Sale, 6,501 sh ($381K)2025-11-21: Option exercise, 6,501 sh ($249K)2025-11-21: Option exercise, 6,501 sh ($0)2025-01-27: Withheld for tax, 944 sh ($72K)2025-01-27: Option exercise, 2,169 sh ($0)2025-01-27: Option exercise, 2,169 sh ($0)2025-01-24: Withheld for tax, 1,163 sh ($88K)2025-01-24: Option exercise, 2,672 sh ($0)2025-01-24: Option exercise, 2,672 sh ($0)2025-01-23: Withheld for tax, 1,482 sh ($112K)2025-01-23: Option exercise, 3,248 sh ($0)2025-01-23: Option exercise, 3,248 sh ($0)2025-01-21: Award / grant, 8,018 sh ($0)2025-01-21: Award / grant, 9,336 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-11-21MTXSale6,501 @ $58.68$381K−19.1% of holding27,602Form 4
24 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-01-26MTXWithheld for tax1,16332,600Form 4
2026-01-26MTXOption exercise2,67221,572Form 4
2026-01-26MTXOption exercise2,67233,763Form 4
2026-01-23MTXWithheld for tax1,41331,091Form 4
2026-01-23MTXOption exercise3,24732,504Form 4
2026-01-23MTXOption exercise3,24724,244Form 4
2026-01-21MTXWithheld for tax1,45729,257Form 4
2026-01-21MTXOption exercise3,11227,491Form 4
2026-01-21MTXOption exercise3,11230,714Form 4
2026-01-20MTXAward / grant10,39310,393Form 4
2026-01-20MTXAward / grant12,10130,603Form 4
2025-11-21MTXOption exercise6,50134,103Form 4
2025-11-21MTXOption exercise6,5010Form 4
2025-01-27MTXWithheld for tax94427,602Form 4
2025-01-27MTXOption exercise2,16928,546Form 4
2025-01-27MTXOption exercise2,16918,502Form 4
2025-01-24MTXWithheld for tax1,16326,377Form 4
2025-01-24MTXOption exercise2,67220,671Form 4
2025-01-24MTXOption exercise2,67227,540Form 4
2025-01-23MTXWithheld for tax1,48224,868Form 4
2025-01-23MTXOption exercise3,24823,343Form 4
2025-01-23MTXOption exercise3,24826,350Form 4
2025-01-21MTXAward / grant8,0188,018Form 4
2025-01-21MTXAward / grant9,33626,591Form 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.