Skip to navigationSkip to main contentSkip to right columnADVERTISEMENTBrendan Coffey, The Motley FoolMon, June 8, 2026 at 5:54 PM GMT+2 4 min readMatthew Lanighan, NPK’s President and CEO, recently sold 167,375 shares of common stock for a total consideration of approximately $2.42 million, according to a SEC Form 4 filing.Transaction summaryMetricValueShares sold (direct)167,375Transaction value$2.4 millionPost-transaction shares (direct)254,699Post-transaction value (direct ownership)~$3.68 millionTransaction value based on SEC Form 4 weighted average purchase price ($14.43); post-transaction value based on June 3, 2026, market close ($14.43).Key questionsHow does this sale compare to Lanigan’s historical trading activity?This is Lanigan’s second sale in the month of June. Two days earlier, he acquired shares from vesting restricted stock units (RSUs), selling a portion of the award to cover taxes.What is the impact on Lanigan’s ownership and control?Direct ownership decreased by about 40% to 254,699 shares, while his substantial indirect holdings of 770,249 shares via trust remained intact, maintaining a total beneficial position of approximately 1.02 million shares, or 0.30% of outstanding shares as of the latest available data.Was the transaction part of a prearranged trading plan, and what does that imply?The sale was executed automatically under a Rule 10b5-1 plan adopted on March 4, 2026, indicating a scheduled, non-discretionary liquidity event rather than a reactive response to market conditions.How does the transaction value relate to current market pricing and company performance?Shares were sold at around $14.43 per share, nearly matching the June 3, 2026 close of $14.46, and the transaction occurred against a backdrop of a nearly 70% one-year total return for the stock as of the trade date, placing the sale near recent highs in market value.Company overviewMetricValueRevenue (TTM)$287.3 millionNet income (TTM)$35.5 millionPrice (as of market close 6/3/26)$14.431-year price change75.10%* 1-year performance calculated as of June 3, 2026.Company snapshotOffers drilling, completion, and stimulation fluids, composite matting system rentals, and related site services for energy, industrial, and infrastructure markets.Generates revenue through product sales, technical services, and equipment rentals across two main segments: Fluids Systems and Industrial Solutions.Serves oil and gas exploration and production companies, as well as customers in power transmission, renewables, petrochemical, and construction sectors globally.Terms and Privacy PolicyPrivacy & Cookie SettingsMore Info