Kowcun, Martin

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell 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
2026-07-13	2026-07-08	Primary Hydrogen Corp (HDRO)	B Purchase	20,273 -9.7% 283.77 CA$2,607,874	20,273 -9.7%	283.77	CA$2,607,874
2025-07-31	2025-07-31	Primary Hydrogen Corp (HDRO)	B Purchase	74,362 +30.6% 277.61 CA$441,878	74,362 +30.6%	277.61	CA$441,878
2025-07-31	2025-07-30	Primary Hydrogen Corp (HDRO)	B Purchase	64,504 -8.4% 45.90 CA$3,056,021	64,504 -8.4%	45.90	CA$3,056,021
2024-11-08	2024-11-08	Primary Hydrogen Corp (HDRO)	B Purchase	30,303 +29.4% 0.33 CA$10,000	30,303 +29.4%	0.33	CA$10,000