InsiderFlow

Michael A Lewis

NPKI

Michael A Lewis serves as director at NPK International Inc. (NPKI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$91.1K

Net Position

Net Seller

$91.1K

Companies Traded

1

NPKI

Active Period

Jun 2025 – Feb 2026

4 total trades

Most Recent

Sell NPKI

Feb 25, 2026 · $28.8K

Michael A Lewis's Insider Trading at NPK International Inc. (NPKI)

Buys

0 · $0.00

Sells

4 · $91.1K

Total Shares Bought

0

Total Shares Sold

8,052

NPKI Price Chart
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DateTypeSharesAvg PriceValueShares After
Feb 25, 2026Sell2,013$14.31$28.8K131,333
Nov 24, 2025Sell2,013$12.00$24.2K0
Aug 25, 2025Sell2,013$10.33$20.8K0
Jun 16, 2025Sell2,013$8.60$17.3K0