Michael A Lewis

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

1 trades

$20.9K

Total Sells

8 trades

$307.9K

Net Position

Net Seller

$287.0K

Companies Traded

2

NPKI, POR

Active Period

Dec 2022 – Aug 2026

9 total trades

Most Recent

Sell NPKI

Aug 19, 2026 · $28.7K

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

Buys

1 · $20.9K

Sells

6 · $150.6K

Total Shares Bought

5,251

Total Shares Sold

12,078

NPKI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 19, 2026	Sell	2,013	$14.26	$28.7K	135,865
May 19, 2026	Sell	2,013	$15.30	$30.8K	129,320
Feb 25, 2026	Sell	2,013	$14.31	$28.8K	131,333
Nov 24, 2025	Sell	2,013	$12.00	$24.2K	0
Aug 25, 2025	Sell	2,013	$10.33	$20.8K	0
Jun 16, 2025	Sell	2,013	$8.60	$17.3K	0
Dec 12, 2022	Buy	5,251	$3.98	$20.9K	76,046

Michael A Lewis's Insider Trading at Portland General Electric Company (POR)

Buys

0 · $0.00

Sells

2 · $157.3K

Total Shares Bought

0

Total Shares Sold

3,474

POR Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jul 28, 2026	Sell	1,537	$51.83	$79.7K	15,045
Jul 22, 2025	Sell	1,937	$40.10	$77.7K	13,509

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