Stack Capital Group Inc (STCK)

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Over the last 90 days, Stack Capital Group Inc. has seen significant insider buying activity, with a net buy value of over CAD 525,000. Four executives made multiple purchases, totaling approximately CAD 1.07 million in buys against zero sells. The stock has experienced substantial growth, up 85.4% in the past 90 days and trading near its 52-week high.

Top insider buys (90, 60, 30, 7, 1d)

Top cluster buys (90d)

Top executive buys (90, 60, 30, 7, 1d)

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Ticker: STCK Exchange: TOR

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

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Trades

Parks, Jeffrey

Director of Issuer, Senior Officer of Issuer

1 purchase — total 100,000 CAD

Buy 3 Jun 2026

Value CA$122,760.68 | Price 334.14 | Shares 41,000

Viveiros, Brian

Senior Officer of Issuer

1 purchase — total 99,938 CAD

Buy 10 Apr 2026

Value CA$1,400,202.50 | Price 448.21 | Shares 57,660

Vaiopoulos, Demetrios

Senior Officer of Issuer

1 purchase — total 199,875 CAD

Buy 10 Apr 2026

Value CA$199,875.00 | Price 18.75 | Shares 10,660

Parks, Jeffrey

Director of Issuer, Senior Officer of Issuer

1 purchase — total 399,750 CAD

Buy 10 Apr 2026

Value CA$399,750.00 | Price 18.75 | Shares 21,320

Meiers, Jason

Senior Officer of Issuer

1 purchase — total 299,813 CAD

Buy 10 Apr 2026

Value CA$299,812.50 | Price 18.75 | Shares 15,990

Viveiros, Brian

Senior Officer of Issuer

1 purchase — total 7,197 CAD

Buy 17 Mar 2026

Value CA$7,197.01 | Price 18.94 | Shares 380

Vaiopoulos, Demetrios

Senior Officer of Issuer

1 purchase — total 14,394 CAD

Buy 17 Mar 2026

Value CA$14,394.02 | Price 18.94 | Shares 760

Parks, Jeffrey

Director of Issuer, Senior Officer of Issuer

1 purchase — total 28,788 CAD

Buy 17 Mar 2026

Value CA$28,788.04 | Price 18.94 | Shares 1,520

Meiers, Jason

Senior Officer of Issuer

1 purchase — total 21,591 CAD

Buy 17 Mar 2026

Value CA$21,591.03 | Price 18.94 | Shares 1,140

Viveiros, Brian

Senior Officer of Issuer

1 purchase — total 2,168 CAD

Buy 30 Dec 2025

Value CA$2,167.70 | Price 15.48 | Shares 140

Vaiopoulos, Demetrios

Senior Officer of Issuer

1 purchase — total 4,335 CAD

Buy 30 Dec 2025

Value CA$4,335.41 | Price 15.48 | Shares 280

Parks, Jeffrey

Director of Issuer, Senior Officer of Issuer

1 purchase — total 8,671 CAD

Buy 30 Dec 2025

Value CA$8,670.82 | Price 15.48 | Shares 560

Meiers, Jason

Senior Officer of Issuer

1 purchase — total 6,503 CAD

Buy 30 Dec 2025

Value CA$6,503.11 | Price 15.48 | Shares 420

Viveiros, Brian

Senior Officer of Issuer

1 purchase — total 3,861 CAD

Buy 29 Dec 2025

Value CA$3,860.80 | Price 15.44 | Shares 250

Vaiopoulos, Demetrios

Senior Officer of Issuer

1 purchase — total 7,722 CAD

Buy 29 Dec 2025

Value CA$7,721.60 | Price 15.44 | Shares 500

Parks, Jeffrey

Director of Issuer, Senior Officer of Issuer

1 purchase — total 15,443 CAD

Buy 29 Dec 2025

Value CA$15,443.20 | Price 15.44 | Shares 1,000

Meiers, Jason

Senior Officer of Issuer

1 purchase — total 11,582 CAD

Buy 29 Dec 2025

Value CA$11,582.40 | Price 15.44 | Shares 750

Parks, Jeffrey

Director of Issuer, Senior Officer of Issuer

1 purchase — total 6,973 CAD

Buy 18 Dec 2025

Value CA$6,972.82 | Price 14.53 | Shares 480

Meiers, Jason

Senior Officer of Issuer

1 purchase — total 5,230 CAD

Buy 18 Dec 2025

Value CA$5,229.61 | Price 14.53 | Shares 360

Parks, Jeffrey

Director of Issuer, Senior Officer of Issuer

1 purchase — total 1,750 CAD

Buy 17 Dec 2025

Value CA$1,750.00 | Price 14.58 | Shares 120

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

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-06-03	2026-06-03	B Purchase	4.1 Parks, Jeffrey Director of Issuer, Senior Officer of Issuer Executive Director	41,000 -39.8% 334.14 CA$122,761	41,000 -39.8%	334.14	CA$122,761
2026-04-10	2026-04-10	B Purchase	3.9 Viveiros, Brian Senior Officer of Issuer Officer	57,660 +38.2% 448.21 CA$1,400,203	57,660 +38.2%	448.21	CA$1,400,203
2026-04-10	2026-04-10	B Purchase	4.0 Vaiopoulos, Demetrios Senior Officer of Issuer Officer	15,204 +17.9% 43.79 CA$2,015,283	15,204 +17.9%	43.79	CA$2,015,283
2026-04-10	2026-04-10	B Purchase	4.1 Parks, Jeffrey Director of Issuer, Senior Officer of Issuer Executive Director	21,320 +26.3% 18.75 CA$399,750	21,320 +26.3%	18.75	CA$399,750
2026-04-10	2026-04-10	B Purchase	2.9 Meiers, Jason Senior Officer of Issuer Officer	15,990 +26.3% 18.75 CA$299,812	15,990 +26.3%	18.75	CA$299,812
2026-03-18	2026-03-17	B Purchase	3.9 Viveiros, Brian Senior Officer of Issuer Officer	380 +1.9% 18.94 CA$7,197	380 +1.9%	18.94	CA$7,197
2026-03-18	2026-03-17	B Purchase	4.0 Vaiopoulos, Demetrios Senior Officer of Issuer Officer	760 +1.9% 18.94 CA$14,394	760 +1.9%	18.94	CA$14,394
2026-03-18	2026-03-17	B Purchase	4.1 Parks, Jeffrey Director of Issuer, Senior Officer of Issuer Executive Director	1,520 +1.9% 18.94 CA$28,788	1,520 +1.9%	18.94	CA$28,788
2026-03-18	2026-03-17	B Purchase	2.9 Meiers, Jason Senior Officer of Issuer Officer	1,140 +1.9% 18.94 CA$21,591	1,140 +1.9%	18.94	CA$21,591
2025-12-31	2025-12-30	B Purchase	3.9 Viveiros, Brian Senior Officer of Issuer Officer	140 +1.4% 15.48 CA$2,168	140 +1.4%	15.48	CA$2,168
2025-12-31	2025-12-30	B Purchase	4.0 Vaiopoulos, Demetrios Senior Officer of Issuer Officer	280 +1.4% 15.48 CA$4,335	280 +1.4%	15.48	CA$4,335
2025-12-31	2025-12-30	B Purchase	4.1 Parks, Jeffrey Director of Issuer, Senior Officer of Issuer Executive Director	560 +1.4% 15.48 CA$8,671	560 +1.4%	15.48	CA$8,671
2025-12-31	2025-12-30	B Purchase	2.9 Meiers, Jason Senior Officer of Issuer Officer	420 +1.4% 15.48 CA$6,503	420 +1.4%	15.48	CA$6,503
2025-12-31	2025-12-29	B Purchase	3.9 Viveiros, Brian Senior Officer of Issuer Officer	250 +2.6% 15.44 CA$3,861	250 +2.6%	15.44	CA$3,861
2025-12-31	2025-12-29	B Purchase	4.0 Vaiopoulos, Demetrios Senior Officer of Issuer Officer	500 +2.6% 15.44 CA$7,722	500 +2.6%	15.44	CA$7,722
2025-12-31	2025-12-29	B Purchase	4.1 Parks, Jeffrey Director of Issuer, Senior Officer of Issuer Executive Director	1,000 +2.6% 15.44 CA$15,443	1,000 +2.6%	15.44	CA$15,443
2025-12-31	2025-12-29	B Purchase	2.9 Meiers, Jason Senior Officer of Issuer Officer	750 +2.6% 15.44 CA$11,582	750 +2.6%	15.44	CA$11,582
2025-12-19	2025-12-18	B Purchase	4.1 Parks, Jeffrey Director of Issuer, Senior Officer of Issuer Executive Director	480 +1.3% 14.53 CA$6,973	480 +1.3%	14.53	CA$6,973
2025-12-19	2025-12-18	B Purchase	2.9 Meiers, Jason Senior Officer of Issuer Officer	360 +1.3% 14.53 CA$5,230	360 +1.3%	14.53	CA$5,230
2025-12-19	2025-12-17	B Purchase	4.1 Parks, Jeffrey Director of Issuer, Senior Officer of Issuer Executive Director	120 +0.3% 14.58 CA$1,750	120 +0.3%	14.58	CA$1,750