NPK International Inc. - Form 4 Filing

This Form 4 filing with the SEC details a transaction by Kristen J. Pederson, a director at NPK International Inc. On July 28, 2026, Ms. Pederson acquired 6,614 shares of Common Stock at a price of $0.0 per share. This acquisition is described as a pro-rated portion of her annual equity retainer for non-employee directors. The shares are subject to vesting, which will occur on the earlier of the first anniversary of the grant date or the day prior to the next annual stockholders meeting. Following this transaction, Ms. Pederson directly owns 6,614 shares of the company's common stock.