Fruge Mary Celeste

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	Company	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value
2026-03-18	2026-03-16	NPK International Inc (NPKI)	PlS Planned sale	81,243 +39.4% 206.79 US$2,121,073	81,243 +39.4%	206.79	US$2,121,073
2026-03-10	2026-03-06	NPK International Inc (NPKI)	PlS Planned sale	24,738 -7.8% 254.23 US$1,310,384	24,738 -7.8%	254.23	US$1,310,384
2026-03-06	2026-03-06	NPK International Inc (NPKI)	PrS Proposed sale	84,235 133.17 US$1,308,928	84,235	133.17	US$1,308,928