Transactions in Cosa Resources Corp. securities by its insiders (directors, officers and significant shareholders) as filed on SEDI, the Canadian Securities Administrators' insider disclosure system.

Insider transactions

Insider transactions as filed on SEDI, each amended transaction at its newest amendment only. Capture began with about the year before its first read and grows daily, so older history is not included. Amounts are signed (negative for a disposition) and counted in the units of the security named, which may be options, share units or warrants rather than shares. Prices are in the stated currency. Holding after is the insider's balance of that security after the transaction, as filed.

Insider transactions filed on SEDI, the Canadian Securities Administrators' System for Electronic Disclosure by Insiders
Transaction date	Insider	Transaction	Security	Amount	Price	Holding after	Filed
2026-01-22	Carmichael, Andrew Cameron Senior Officer of Issuer	Acquisition or disposition in the public market	Common Shares	+8,000	0.47 CAD	1,196,595Direct	2026-01-22
2026-01-14	Rodko, Justin Alexander Senior Officer of Issuer	Opening Balance-Initial SEDI Report	OptionsUnderlying: Common Shares	0		570,000Direct	2026-01-15
2026-01-14	Rodko, Justin Alexander Senior Officer of Issuer	Opening Balance-Initial SEDI Report	Common Shares	0		1,179,248Direct	2026-01-15
2026-01-13	Denison Mines Corp. 10% Security Holder of Issuer	Compensation for property	Common Shares	+1,960,000	0.3891 CAD	20,990,864Direct	2026-01-14
2025-12-16	Cates, David Daniel Director or Senior Officer of 10% Security Holder	Grant of options	OptionsUnderlying: Common Shares	+75,000	0.33 CAD	150,000Direct · balance disputed	2025-12-19
2025-12-16	Short, Wesley 10% Security Holder of Issuer	Grant of options	OptionsUnderlying: Common Shares	+110,000		985,000Direct	2025-12-19
2025-12-16	Trueman, Edward A.G. Director of Issuer	Grant of options	OptionsUnderlying: Common Shares	+100,000	0.33 CAD	690,000Direct	2025-12-18
2025-12-16	Sorba, Chad Director or Senior Officer of 10% Security Holder	Grant of options	OptionsUnderlying: Common Shares	+75,000	0.33 CAD	225,000Direct	2025-12-18
2025-12-16	Bodnarchuk, Keith Director of Issuer	Grant of options	OptionsUnderlying: Common Shares	+175,000		1,350,000Direct	2025-12-18
2025-12-16	Carmichael, Andrew Cameron Senior Officer of Issuer	Grant of options	OptionsUnderlying: Common Shares	+150,000		890,000Direct	2025-12-18
2025-12-16	Morgans, Darren Paul Senior Officer of Issuer	Grant of options	OptionsUnderlying: Common Shares	+120,000		640,000Direct · balance disputed	2025-12-17
2025-12-16	Blower, Steven Director of Issuer	Grant of options	OptionsUnderlying: Common Shares	+150,000		1,040,000Direct	2025-12-17
2025-12-16	Richardson, Janine Director of Issuer	Grant of options	OptionsUnderlying: Common Shares	+150,000	0.33 CAD	965,000Direct	2025-12-17
2025-12-16	Smith, Geoffrey Director of Issuer	Grant of options	OptionsUnderlying: Common Shares	+100,000	0.33 CAD	350,000Direct	2025-12-17
2025-12-16	Sidle, Elizabeth Director or Senior Officer of 10% Security Holder	Grant of options	OptionsUnderlying: Common Shares	+100,000	0.33 CAD	250,000Direct	2025-12-17
2025-12-04	Cates, David Daniel Director or Senior Officer of 10% Security Holder	Acquisition or disposition under a prospectus exemption	Common Shares	+416,670	0.3 CAD	516,670Direct · balance disputed	2025-12-05
2025-12-04	Bodnarchuk, Keith Director of Issuer	Acquisition or disposition under a prospectus exemption	Common Shares	+100,000	0.26 CAD	2,303,690Direct	2025-12-05
2025-12-04	Bodnarchuk, Keith Director of Issuer	Acquisition or disposition under a prospectus exemption	WarrantsUnderlying: Common Shares	+50,000	0.37 CAD	122,167Direct	2025-12-05
2025-12-04	Carmichael, Andrew Cameron Senior Officer of Issuer	Expiration of warrants	WarrantsUnderlying: Common Shares	-5,714		10,750Direct	2025-12-05
2025-12-04	Carmichael, Andrew Cameron Senior Officer of Issuer	Acquisition or disposition under a prospectus exemption	Common Shares	+16,666	0.3 CAD	1,188,595Direct	2025-12-05
2025-12-04	Smith, Geoffrey Director of Issuer	Acquisition or disposition under a prospectus exemption	Common Shares	+100,000	0.3 CAD	200,000Direct	2025-12-04
2025-12-04	Richardson, Janine Director of Issuer	Acquisition or disposition carried out privately	WarrantsUnderlying: Common Shares	+25,000		25,000Direct	2025-12-04
2025-12-04	Richardson, Janine Director of Issuer	Acquisition or disposition carried out privately	Common Shares	+50,000	0.3 CAD	692,857Direct	2025-12-04
2025-12-04	Morgans, Darren Paul Senior Officer of Issuer	Acquisition or disposition under a prospectus exemption	WarrantsUnderlying: Common Shares	+100,000		147,500Direct · balance disputed	2025-12-04
2025-12-04	Morgans, Darren Paul Senior Officer of Issuer	Acquisition or disposition under a prospectus exemption	Common Shares	+200,000		315,000Direct · balance disputed	2025-12-04
2025-12-04	Morgans, Darren Paul Senior Officer of Issuer	Expiration of warrants	WarrantsUnderlying: Common Shares	-10,000		47,500Direct · balance disputed	2025-12-04
2025-12-04	Denison Mines Corp. 10% Security Holder of Issuer	Acquisition or disposition under a prospectus exemption	WarrantsUnderlying: Common Shares	+1,153,846		2,417,679Direct	2025-12-04
2025-12-04	Denison Mines Corp. 10% Security Holder of Issuer	Acquisition or disposition under a prospectus exemption	Common Shares	+2,307,692	0.26 CAD	19,030,864Direct	2025-12-04
2025-12-04	Sidle, Elizabeth Director or Senior Officer of 10% Security Holder	Acquisition or disposition under a prospectus exemption	Common Shares	+33,333	0.3 CAD	33,333Direct	2025-12-04

29 transactions between 2025-12-04 and 2026-01-22. Checked 2026-11-08 16:43 UTC.

Showing 1–29 of 29 transactions