Npk International INC Form 4 insider transactions
Insider transactions: buys and sells by directors, officers and ten percent owners, filed within two business days of the trade.
Kristen J. Pederson, a Director of NPK International Inc., received 6,614 shares of common stock on July 28, 2026.
Lori Briggs, VP & President of Industrial Solutions at NPK International Inc., sold 8,325 shares of common stock for $14.75 per share under a pre-arranged 10b5-1 trading plan.
NPK International Inc. President and CEO Matthew Lanigan sold 167,375 shares of common stock via a Rule 10b5-1 trading plan.
VP and General Counsel Mary Celeste Fruge reported the vesting of restricted stock units and associated tax withholding transactions for NPK International Inc.
President and CEO Matthew Lanigan reported the vesting of restricted stock units and subsequent tax-related share withholding for NPK International Inc.
CFO Gregg Piontek reported the vesting of restricted stock units and subsequent tax withholding transactions for NPK International Inc.
VP Lori Briggs reports the vesting of restricted stock units and subsequent sale of shares under a Rule 10b5-1 plan.
Director Rose M. Robeson acquired 10,862 shares of NPK International Inc. common stock as a grant.
Director John C. Minge acquired 8,558 shares of NPK International Inc. common stock on May 20, 2026.
Director Claudia Meer acquired 8,558 shares of NPK International Inc. common stock on May 20, 2026.
Director Michael A. Lewis acquired 8,558 shares of NPK International Inc. common stock on May 20, 2026.
Director Roderick A. Larson acquired 8,558 shares of NPK International Inc. common stock via a grant.
Director Joseph A. Cutillo acquired 8,558 shares of NPK International Inc. common stock on May 20, 2026.
Gregg Piontek, Senior Vice President and CFO of NPK International Inc., was granted 34,566 restricted stock units.
NPK International Inc. President and CEO Matthew Lanigan was granted 85,771 restricted stock units on May 19, 2026.
NPK International Inc.'s VP, General Counsel Mary Celeste Fruge, was granted 18,002 restricted stock units.
Lori Briggs, VP & President of Industrial Solutions at NPK International Inc., reported the acquisition of 20,838 shares of common stock on May 19, 2026.
Director Michael A. Lewis of NPK International Inc. sold 2,013 shares of common stock via a pre-arranged 10b5-1 trading plan.
NPK International Inc. Senior Vice President and CFO, Gregg Piontek, reported the sale of 15,000 shares of common stock under a pre-arranged Rule 10b5-1 trading plan.
Gregg Piontek, Senior Vice President and CFO of NPK International Inc., sold 35,000 shares of common stock for approximately $14.51 per share through an automatic trading plan.
NPK International's CFO, Gregg Piontek, sold 15,000 shares of common stock for approximately $15.03 per share under a pre-arranged trading plan.
NPK International Inc.'s VP and General Counsel, M. Celeste Fruge, sold 1,000 shares of common stock after exercising options, pursuant to a pre-arranged 10b5-1 trading plan.
NPK International Inc.'s Senior VP and CFO, Gregg Piontek, executed pre-planned sales of common stock totaling 108,590 shares following the exercise of stock options.
NPK International Inc. Director Michael A. Lewis sold 2,013 shares of common stock for approximately $14.31 per share under a pre-arranged 10b5-1 trading plan.
NPK International's VP and General Counsel, Mary Celeste Fruge, filed an amended Form 4 to correct a scrivener's error in the number of shares converted from restricted stock units.
NPK International Inc. Director Michael A. Lewis sold 2,013 shares of common stock for a weighted average price of $12.0001 per share, executed under a pre-arranged 10b5-1 trading plan.
NPK International Inc. President and CEO, Matthew Lanigan, transferred 770,249 shares of common stock to his living trust for estate planning.
Lori Briggs, VP & President of Industrial Solutions at NPK International Inc., executed a pre-arranged sale of 10,108 common shares at a weighted average price of $11.5109.
NPK International Inc. CEO Matthew Lanigan exercised stock options and subsequently sold a portion of his common stock holdings on September 3, 2025, under a pre-arranged 10b5-1 trading plan.
NPK International Inc. Director Michael A. Lewis sold 2,013 shares of common stock for approximately $10.33 per share under a pre-arranged trading plan.