Douglas L White has an estimated net worth of $5.07 Million. This is based on reported shares in NPK International Inc..

2019 was Douglas L White's most active year for acquiring shares with 8 total transactions. Douglas L White's most active month to acquire stocks was the month of May. 2023 was Douglas L White's most active year for disposing of shares, totalling 8 transactions. Douglas L White's most active month to dispose stocks was the month of May. 2016 saw Douglas L White paying a total of $12,897.39 for 49,397 shares, this is the most they've acquired in one year. In 2025 Douglas L White cashed out on 47,713 shares for a total of $127,118.17, their largest year based on trade value.