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Canada Metals & Mining

South Star Battery Metals Corp (STS)

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Over the last 90 days, South Star Battery Metals Corp. has seen significant insider buying, totaling $1.77 million. Notably, Tiago Sampaio Cunha, a director and senior officer, made substantial purchases. All reported transactions within this period were buy orders, indicating strong insider confidence.
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Ticker: STS Exchange: CVE
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Costa Lima, Priscila
Director of Issuer
1 purchase — total 30,000 CAD
Buy 28 May 2026
Value CA$2,038,389.00 | Price 99.43 | Shares 2,659
Buy 15 May 2026
Value CA$2,867,034.23 | Price 116.36 | Shares 52,637
Buy 20 Mar 2026
Value CA$37,800.00 | Price 0.14 | Shares 270,000
Buy 19 Mar 2026
Value CA$44,408.00 | Price 0.14 | Shares 317,200
Buy 21 Nov 2025
Value CA$1,337,013.30 | Price 0.15 | Shares 8,913,422
Buy 21 Nov 2025
Value CA$187,650.00 | Price 0.15 | Shares 1,251,000
Buy 21 Nov 2025
Value CA$152,899.95 | Price 0.15 | Shares 1,019,333
Buy 21 Nov 2025
Value CA$173,749.95 | Price 0.15 | Shares 1,158,333
Buy 31 Oct 2025
Value CA$139,000.05 | Price 0.15 | Shares 926,667
Buy 31 Oct 2025
Value CA$495,000.00 | Price 0.15 | Shares 3,300,000
Buy 10 Oct 2025
Value CA$233,686.80 | Price 0.15 | Shares 1,557,912
Buy 10 Oct 2025
Value CA$30,000.00 | Price 0.15 | Shares 200,000
Buy 10 Oct 2025
Value CA$233,686.80 | Price 0.15 | Shares 1,557,912
Buy 8 Oct 2025
Value CA$37,500.00 | Price 0.15 | Shares 250,000
Sale 28 Aug 2025
Value CA$1,075.00 | Price 0.22 | Shares 5,000
Sale 28 Aug 2025
Value CA$9,020.00 | Price 0.22 | Shares 41,000
Sale 28 Aug 2025
Value CA$575.00 | Price 0.23 | Shares 2,500
Buy 6 Aug 2025
Value US$220,000.00 | Price 0.22 | Shares 1,000,000
Sale 30 Jun 2025
Value CA$26,039.91 | Price 0.23 | Shares 113,217
Sale 18 Jun 2025
Value CA$140.00 | Price 0.28 | Shares 500
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 Details
2026-06-01 2026-05-28 B Purchase
0.6
Costa Lima, Priscila

Director of Issuer

Non-Executive Director
2,659 +41.5%
99.43
CA$2,038,389 		2,659 +41.5% 99.43 CA$2,038,389
2026-05-25 2026-05-15 B Purchase
1.6
Cunha, Tiago Sampaio

10% Security Holder of Issuer, Director of Issuer, Senior Officer of Issuer

Executive Director Large shareholder
52,637 -21.1%
116.36
CA$2,867,034 		52,637 -21.1% 116.36 CA$2,867,034
2026-03-24 2026-03-20 B Purchase
1.6
Cunha, Tiago Sampaio

10% Security Holder of Issuer, Director of Issuer, Senior Officer of Issuer

Executive Director Large shareholder
45,251 +41.1%
65.09
CA$905,678 		45,251 +41.1% 65.09 CA$905,678
2026-03-24 2026-03-19 B Purchase
1.6
Cunha, Tiago Sampaio

10% Security Holder of Issuer, Director of Issuer, Senior Officer of Issuer

Executive Director Large shareholder
317,200
0.14
CA$44,408 		317,200 0.14 CA$44,408
2025-11-24 2025-11-21 B Purchase
1.6
Cunha, Tiago Sampaio

10% Security Holder of Issuer, Director of Issuer, Senior Officer of Issuer

Executive Director Large shareholder
8,913,422 +91.0%
0.15
CA$1,337,013 		8,913,422 +91.0% 0.15 CA$1,337,013
2025-11-24 2025-11-21 B Purchase
1.6
Cunha, Tiago Sampaio

10% Security Holder of Issuer, Director of Issuer, Senior Officer of Issuer

Executive Director Large shareholder
1,251,000 +37.7%
0.15
CA$187,650 		1,251,000 +37.7% 0.15 CA$187,650
2025-11-24 2025-11-21 B Purchase
1.6
Cunha, Tiago Sampaio

10% Security Holder of Issuer, Director of Issuer, Senior Officer of Issuer

Executive Director Large shareholder
1,019,333
0.15
CA$152,900 		1,019,333 0.15 CA$152,900
2025-11-24 2025-11-21 B Purchase
1.6
Cunha, Tiago Sampaio

10% Security Holder of Issuer, Director of Issuer, Senior Officer of Issuer

Executive Director Large shareholder
1,158,333
0.15
CA$173,750 		1,158,333 0.15 CA$173,750
2025-11-10 2025-10-31 B Purchase
LEDUC, MARC PAUL FRANCOIS

Director of Issuer

Non-Executive Director
926,667 +155.5%
0.15
CA$139,000 		926,667 +155.5% 0.15 CA$139,000
2025-11-04 2025-10-31 B Purchase
3.0
Wilton, Daniel William

Director of Issuer

Non-Executive Director
3,300,000 +312.8%
0.15
CA$495,000 		3,300,000 +312.8% 0.15 CA$495,000
2025-11-24 2025-10-10 B Purchase
1.6
Cunha, Tiago Sampaio

10% Security Holder of Issuer, Director of Issuer, Senior Officer of Issuer

Executive Director Large shareholder
1,557,912 +18.9%
0.15
CA$233,687 		1,557,912 +18.9% 0.15 CA$233,687
2025-10-14 2025-10-10 B Purchase
Prins, Darren

Senior Officer of Issuer

Officer
200,000
0.15
CA$30,000 		200,000 0.15 CA$30,000
2025-10-14 2025-10-10 B Purchase
ACE CAPITAL GROU GESTORA DE RECURSOS LTDA

10% Security Holder of Issuer

Large shareholder
1,557,912 +13.5%
0.15
CA$233,687 		1,557,912 +13.5% 0.15 CA$233,687
2025-10-14 2025-10-08 B Purchase
0.6
Costa Lima, Priscila

Director of Issuer

Non-Executive Director
250,000
0.15
CA$37,500 		250,000 0.15 CA$37,500
2025-08-28 2025-08-28 S Sale
3.0
ACE Capital Grou Gestora de Recursos Ltda.

10% Security Holder of Issuer

Large shareholder
5,000 -0.0%
0.22
CA$1,075 		5,000 -0.0% 0.22 CA$1,075
2025-08-28 2025-08-28 S Sale
3.0
ACE Capital Grou Gestora de Recursos Ltda.

10% Security Holder of Issuer

Large shareholder
41,000 -0.3%
0.22
CA$9,020 		41,000 -0.3% 0.22 CA$9,020
2025-08-28 2025-08-28 S Sale
3.0
ACE Capital Grou Gestora de Recursos Ltda.

10% Security Holder of Issuer

Large shareholder
2,500 -0.0%
0.23
CA$575 		2,500 -0.0% 0.23 CA$575
2025-08-11 2025-08-06 B Purchase
3.0
ACE Capital Grou Gestora de Recursos Ltda.

10% Security Holder of Issuer

Large shareholder
1,000,000 +9.0%
0.22
US$220,000 		1,000,000 +9.0% 0.22 US$220,000
2025-06-30 2025-06-30 S Sale
3.0
ACE Capital Grou Gestora de Recursos Ltda.

10% Security Holder of Issuer

Large shareholder
113,217 -1.0%
0.23
CA$26,040 		113,217 -1.0% 0.23 CA$26,040
2025-06-20 2025-06-18 S Sale
3.0
ACE Capital Grou Gestora de Recursos Ltda.

10% Security Holder of Issuer

Large shareholder
500 -0.0%
0.28
CA$140 		500 -0.0% 0.28 CA$140
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