SEC Insider Transactions from WHITE DOUGLAS L.

Last updated: 2026-03-14 10:19 UTC | Total transactions: 21

WHITE DOUGLAS L has filed 21 insider transactions across 1 company since May 2024.

Most recent transaction: a grant/award of 730 shares of NPK International Inc. ($NPKI) on June 14, 2025.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
June 14, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer A Common Stock 730 $6.51 305,245.0000 111,669,000 0.24% 0.00%
June 1, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Common Stock 17333 $0.00 305,561.0000 111,669,000 6.01% 0.02%
June 1, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Common Stock 14667 $0.00 320,228.0000 111,669,000 4.80% 0.01%
June 1, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer F Common Stock 3122 $8.09 317,106.0000 111,669,000 0.97% 0.00%
June 1, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer F Common Stock 6820 $8.09 310,286.0000 111,669,000 2.15% 0.01%
June 1, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer F Common Stock 5771 $8.09 304,515.0000 111,669,000 1.86% 0.01%
June 1, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Restricted Stock Units 17333 $0.00 29,333.0000 111,669,000 37.14% 0.02%
June 1, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Restricted Stock Units 14667 $0.00 14,666.0000 111,669,000 50.00% 0.01%
May 14, 2025 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer A Common Stock 29900 $0.00 288,228.0000 111,669,000 11.57% 0.03%
Dec. 13, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer A Common Stock 722 $6.58 258,328.0000 111,669,000 0.28% 0.00%
June 14, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer A Common Stock 841 $5.98 257,606.0000 111,669,000 0.33% 0.00%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Common Stock 18666 $0.00 237,101.0000 111,669,000 8.55% 0.02%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Common Stock 17333 $0.00 254,434.0000 111,669,000 7.31% 0.02%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Common Stock 14667 $0.00 269,101.0000 111,669,000 5.76% 0.01%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer F Common Stock 3571 $8.48 265,530.0000 111,669,000 1.33% 0.00%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer F Common Stock 4220 $8.48 261,310.0000 111,669,000 1.59% 0.00%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer F Common Stock 4545 $8.48 256,765.0000 111,669,000 1.74% 0.00%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Restricted Stock Units 18666 $0.00 78,666.0000 111,669,000 19.18% 0.02%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Restricted Stock Units 17333 $0.00 61,333.0000 111,669,000 22.03% 0.02%
June 1, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer M Restricted Stock Units 14667 $0.00 46,666.0000 111,669,000 23.91% 0.01%
May 15, 2024 NPK International Inc. $NPKI WHITE DOUGLAS L VP, CAO & Treasurer A Common Stock 23800 $0.00 218,435.0000 111,669,000 12.23% 0.02%