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Canada Biotechnology & Medical Research

Principal Technologies Inc (PTEC)

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Ticker: PTEC Exchange: CVE
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Leydolf, Roman
10% Security Holder of Issuer
1 purchase — total 300,000 CAD
Buy 15 Dec 2025
Value CA$1,922,223.79 | Price 317.74 | Shares 80,542
Buy 31 Jul 2025
Value CA$1,635,239.81 | Price 17.71 | Shares 35,806
Sale 24 Jul 2025
Value CA$2,302,850.83 | Price 0.30 | Shares 7,806,274
Sale 17 Jul 2025
Value CA$1,384,649.17 | Price 0.30 | Shares 4,693,726
Buy 9 May 2025
Value CA$250,000.00 | Price 0.25 | Shares 1,000,000
Buy 30 Apr 2025
Value CA$255,958.75 | Price 0.25 | Shares 1,023,835
Buy 6 Jul 2023
Value CA$10,000.00 | Price 0.10 | Shares 100,000
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
2025-12-15 2025-12-15 B Purchase
Leydolf, Roman

10% Security Holder of Issuer

Large shareholder
80,542 +45.7%
317.74
CA$1,922,224 		80,542 +45.7% 317.74 CA$1,922,224
2025-07-31 2025-07-31 B Purchase
Leydolf, Roman

10% Security Holder of Issuer

Large shareholder
35,806 -45.7%
17.71
CA$1,635,240 		35,806 -45.7% 17.71 CA$1,635,240
2025-07-24 2025-07-24 S Sale
GreenIslands Global Opportunities Fund

10% Security Holder of Issuer

Large shareholder
21,072
78.55
CA$4,566,460 		21,072 78.55 CA$4,566,460
2025-07-23 2025-07-17 S Sale
GreenIslands Global Opportunities Fund

10% Security Holder of Issuer

Large shareholder
4,693,726 -37.5%
0.30
CA$1,384,649 		4,693,726 -37.5% 0.30 CA$1,384,649
2025-05-13 2025-05-09 B Purchase
Mair, Markus

10% Security Holder of Issuer

Large shareholder
1,000,000 +19.9%
0.25
CA$250,000 		1,000,000 +19.9% 0.25 CA$250,000
2025-04-30 2025-04-30 B Purchase
Mair, Markus

10% Security Holder of Issuer

Large shareholder
1,023,835 +25.6%
0.25
CA$255,959 		1,023,835 +25.6% 0.25 CA$255,959
2023-07-09 2023-07-06 B Purchase
3.2
McKeown, Peter Lewis

Senior Officer of Issuer

Officer
100,000
0.10
CA$10,000 		100,000 0.10 CA$10,000
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