Matthew James Warren

Executive

Insider activity · 24 months0 buys1 saleCumulative net flow

Dec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 1 saleOct 26 · 0 buys · 0 salesNov 26 · 0 buys · 0 sales

Total declarations

Company

▲ Purchases (0 ops.)

—

▼ Sales (1 ops.)

€34k

Latest filing published 10 Sept 2026 for NPK International Inc., €34k.

Filing timeline

BuySale

Matthew James Warren

Insider track record

Disclosed buys

Disclosed sells

Signal history

No signal scores available.

Matthew James Warren: trading record in brief

Our data holds just one disclosure by Matthew James Warren, dated 10 September 2026, reporting an open-market sale worth €34k in NPK International Inc. Further filings will be added here. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.

Companies and markets linked to Matthew James Warren

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NPK International Inc. (US)

Declarations1 total

▼
Matthew James Warren
Chief Accounting OfficerExecutives9 Sept 2026NPK International Inc.
40,113 USD47SEC
2,991 shares@ US$13.41120.0042% mcap100.0% of flowCommon StockSEC:0002152870-26-000010:0

1 of 1 declaration

Matthew James Warren

Insider track record

Matthew James Warren: trading record in brief

Companies and markets linked to Matthew James Warren

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