Fruge Mary Celeste, VP and General Counsel of NPK International Inc. ($NPKI), made one open market sale of common shares in the last 365 days, totaling about $149 thousand. Her most recent sale occurred on March 6, 2026. This places her 8,992nd among 11,678 insiders in our database by sale value, well below the average of $8.6 million across about 6.4 transactions per insider. She had no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 16, 2026 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | S | Common Stock | 1000 | $13.56 | 265,213.0000 | 111,669,000 | 0.38% | 0.00% |
| March 16, 2026 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Non-Qualified Stock Option (right to buy) | 1000 | $0.00 | 0.0000 | 111,669,000 | 100.00% | 0.00% |
| March 16, 2026 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Common Stock | 1000 | $4.32 | 266,213.0000 | 111,669,000 | 0.38% | 0.00% |
| March 6, 2026 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Non-Qualified Stock Option (right to buy) | 11193 | $0.00 | 1,000.0000 | 111,669,000 | 91.80% | 0.01% |
| March 6, 2026 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | S | Common Stock | 11193 | $13.34 | 265,213.0000 | 111,669,000 | 4.05% | 0.01% |
| March 6, 2026 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Common Stock | 11193 | $4.32 | 276,406.0000 | 111,669,000 | 4.22% | 0.01% |
| June 1, 2025 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Restricted Stock Units | 17274 | $0.00 | 17,274.0000 | 111,669,000 | 50.00% | 0.02% |
| June 1, 2025 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Common Stock | 17274 | $0.00 | 265,213.0000 | 111,669,000 | 6.97% | 0.02% |
| June 1, 2025 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Restricted Stock Units | 17247 | $0.00 | 17,301.0000 | 111,669,000 | 49.92% | 0.02% |
| June 1, 2025 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | F | Common Stock | 6797 | $8.09 | 258,592.0000 | 111,669,000 | 2.56% | 0.01% |
| June 1, 2025 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | F | Common Stock | 6820 | $8.09 | 251,772.0000 | 111,669,000 | 2.64% | 0.01% |
| June 1, 2025 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | F | Common Stock | 3833 | $8.09 | 247,939.0000 | 111,669,000 | 1.52% | 0.00% |
| June 1, 2025 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Common Stock | 17247 | $0.00 | 265,186.0000 | 111,669,000 | 6.96% | 0.02% |
| May 14, 2025 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | A | Common Stock | 39783 | $0.00 | 265,389.0000 | 111,669,000 | 17.63% | 0.04% |
| June 1, 2024 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | F | Common Stock | 6797 | $8.48 | 231,902.0000 | 111,669,000 | 2.85% | 0.01% |
| June 1, 2024 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Common Stock | 17274 | $0.00 | 245,519.0000 | 111,669,000 | 7.57% | 0.02% |
| June 1, 2024 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | F | Common Stock | 6820 | $8.48 | 238,699.0000 | 111,669,000 | 2.78% | 0.01% |
| June 1, 2024 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | M | Restricted Stock Units | 17274 | $0.00 | 34,548.0000 | 111,669,000 | 33.33% | 0.02% |
| June 1, 2024 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | F | Common Stock | 6296 | $8.48 | 225,606.0000 | 111,669,000 | 2.71% | 0.01% |
| May 15, 2024 | NPK International Inc. | $NPKI | Fruge Mary Celeste | VP, General Counsel | A | Common Stock | 29223 | $0.00 | 228,245.0000 | 111,669,000 | 14.68% | 0.03% |