Michael A Lewis insider trades

Open-market stock purchases and sales by Michael A Lewis, Director at NPK International Inc, from SEC Form 4 filings since Feb 23, 2010.

Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +82%.

Recent trades

DateStockTradeValue
Aug 17, 2026NPKI NPK International IncSold$28.7K
Jul 27, 2026POR Portland General Electric Co /or/Sold$79.7K
Jul 24, 2026POR Portland General Electric Co /or/Bought (not open market)$160K
May 20, 2026NPKI NPK International IncBought (not open market)—
May 15, 2026NPKI NPK International IncSold$30.8K
Feb 23, 2026NPKI NPK International IncSold$28.8K
Nov 24, 2025NPKI NPK International IncSold$24.2K

Companies traded

  • NPKI NPK International Inc: 6 sales, last Aug 17, 2026
  • POR Portland General Electric Co /or/: 2 sales, last Jul 27, 2026
  • NR Newpark Resources Inc: 1 buy, last May 16, 2024
  • PCG PG&E Corp: other filings, last Aug 1, 2020
  • PGN Progress Energy Inc: 10 sales, last Jul 2, 2012

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