NPKI

NPK International Inc.

Basic Materials · $995M market cap

Verdict

Share price

$11.79

close of Oct 3, 2026

Fair value

$7.48

Sticker Price

Payback Price

$2.99

buy price

Overpriced

NPKI is Overpriced: at $11.79 it trades 58% above its fair value of $7.48. Its buy price (Payback Price) is $2.99, 75% below today's price. Business quality is limited: none of the 5 key numbers clears the 10% bar.

How we valued it

Free Cash Flow. Sales grew 13% a year over the last 3 years, below the 15% we look for in a fast grower, so we value it on its free cash flow instead of an earnings forecast.

Business quality

0 of 5 clear the 10% bar. What are the Big Five?

Earnings per share growth1.7% a year✗
Equity per share growth0.4% a year✗
Sales growth-4.6% a year✗
Free cash flow growth0.1% a year✗
Return on invested capital7.1%✗

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Superinvestors

1 of the investors we track holds NPKI. In Q2 2026, 1 added. Who we track

Moves in Q2 2026

Added: First Eagle Investment Management

Insider activity

Since Jul 28, 2026: no open-market purchases, 3 sales worth $204K and 1 other filing (stock awards, tax withholding and similar). Why purchases matter

Sales

Other filings

About NPK International Inc.

NPK International Inc. specializes in supplying products, rental equipment, and diverse services, primarily catering to the exploration and production (E&P) sector of the oil and natural gas industry. The company operates through two distinct divisions: Fluids Systems and Industrial Solutions. The Fluids Systems segment delivers a range of drilling, completion, and stimulation fluid products, alongside associated…

Construction Materials

Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works