Canada Biotechnology & Medical Research

Microbix Biosystems Inc (MBX)

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Over the last 90 days, Microbix Biosystems Inc. has seen a net insider buy of $41,553, with two insiders making purchases totaling $57,430 and no sales. Director Martin Marino was notably active, acquiring shares across multiple transactions. The stock has experienced a 19.6% increase in price over the past 90 days.
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Ticker: MBX Exchange: TOR
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Marino, Martin
Director of Issuer
1 purchase — total 100,000 CAD
Buy 28 May 2026
Value CA$3,796,659.86 | Price 272.23 | Shares 92,377
Buy 27 May 2026
Value CA$4,000,689.84 | Price 465.80 | Shares 65,822
Buy 26 May 2026
Value CA$100,000.00 | Price 0.26 | Shares 1,000
Buy 25 May 2026
Value CA$100,000.00 | Price 0.24 | Shares 1,000
Buy 22 May 2026
Value CA$100,000.00 | Price 0.25 | Shares 1,000
Buy 2 Jan 2026
Value CA$7,200.00 | Price 0.24 | Shares 30,000
Buy 30 Dec 2025
Value CA$4,200.00 | Price 0.24 | Shares 17,500
Buy 29 Dec 2025
Value CA$12,442.50 | Price 0.24 | Shares 52,500
Buy 22 Dec 2025
Value CA$22,580.00 | Price 0.23 | Shares 100,000
Buy 29 Sep 2025
Value CA$1,925.00 | Price 0.28 | Shares 7,000
Buy 29 Sep 2025
Value CA$2,800.00 | Price 0.28 | Shares 10,000
Sale 3 Mar 2025
Value CA$30,295.15 | Price 0.43 | Shares 70,750
Sale 3 Mar 2025
Value CA$21,750.00 | Price 0.44 | Shares 50,000
Sale 27 Feb 2025
Value CA$2,700.00 | Price 0.45 | Shares 6,000
Sale 26 Feb 2025
Value CA$30,130.00 | Price 0.46 | Shares 65,500
Sale 29 Jan 2025
Value CA$73,500.00 | Price 0.49 | Shares 150,000
Buy 28 Jan 2025
Value CA$3,040.00 | Price 0.48 | Shares 6,400
Buy 24 Jan 2025
Value CA$2,940.00 | Price 0.49 | Shares 6,000
Sale 22 Jan 2025
Value CA$78,430.02 | Price 0.45 | Shares 175,067
Sale 22 Jan 2025
Value CA$63,000.00 | Price 0.42 | Shares 150,000
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
2026-05-28 2026-05-28 B Purchase
2.4
Marino, Martin

Director of Issuer

Non-Executive Director
92,377 -15.1%
272.23
CA$3,796,660 		92,377 -15.1% 272.23 CA$3,796,660
2026-05-28 2026-05-27 B Purchase
2.4
Marino, Martin

Director of Issuer

Non-Executive Director
65,822 -38.5%
465.80
CA$4,000,690 		65,822 -38.5% 465.80 CA$4,000,690
2026-05-28 2026-05-26 B Purchase
2.4
Marino, Martin

Director of Issuer

Non-Executive Director
69,284 +44.8%
80.36
CA$441,128 		69,284 +44.8% 80.36 CA$441,128
2026-05-26 2026-05-25 B Purchase
Costa, Daniel Oliveira

Senior Officer of Issuer

Officer
1,000 +0.2%
0.24
CA$100,000 		1,000 +0.2% 0.24 CA$100,000
2026-05-26 2026-05-22 B Purchase
Costa, Daniel Oliveira

Senior Officer of Issuer

Officer
1,000 +2.5%
0.25
CA$100,000 		1,000 +2.5% 0.25 CA$100,000
2026-01-02 2026-01-02 B Purchase
2.4
Marino, Martin

Director of Issuer

Non-Executive Director
30,000 +1.7%
0.24
CA$7,200 		30,000 +1.7% 0.24 CA$7,200
2025-12-30 2025-12-30 B Purchase
2.4
Marino, Martin

Director of Issuer

Non-Executive Director
17,500 +1.2%
0.24
CA$4,200 		17,500 +1.2% 0.24 CA$4,200
2025-12-29 2025-12-29 B Purchase
2.4
Marino, Martin

Director of Issuer

Non-Executive Director
52,500 +3.6%
0.24
CA$12,442 		52,500 +3.6% 0.24 CA$12,442
2025-12-24 2025-12-22 B Purchase
2.4
Marino, Martin

Director of Issuer

Non-Executive Director
100,000 +7.5%
0.23
CA$22,580 		100,000 +7.5% 0.23 CA$22,580
2025-09-30 2025-09-29 B Purchase
2.8
Groome, Cameron Lionel

Director of Issuer, Senior Officer of Issuer

Executive Director
7,000 +2.9%
0.28
CA$1,925 		7,000 +2.9% 0.28 CA$1,925
2025-09-30 2025-09-29 B Purchase
2.8
Groome, Cameron Lionel

Director of Issuer, Senior Officer of Issuer

Executive Director
10,000 +6.7%
0.28
CA$2,800 		10,000 +6.7% 0.28 CA$2,800
2025-03-03 2025-03-03 S Sale
3.2
Luscher, Mark Adrian

Senior Officer of Issuer

Officer
70,750 -14.2%
0.43
CA$30,295 		70,750 -14.2% 0.43 CA$30,295
2025-03-03 2025-03-03 S Sale
3.0
Currie, James Stuart

Senior Officer of Issuer

Officer
50,000 -14.3%
0.44
CA$21,750 		50,000 -14.3% 0.44 CA$21,750
2025-02-28 2025-02-27 S Sale
3.2
Luscher, Mark Adrian

Senior Officer of Issuer

Officer
6,000 -1.2%
0.45
CA$2,700 		6,000 -1.2% 0.45 CA$2,700
2025-02-28 2025-02-26 S Sale
3.2
Luscher, Mark Adrian

Senior Officer of Issuer

Officer
65,500 -11.5%
0.46
CA$30,130 		65,500 -11.5% 0.46 CA$30,130
2025-01-30 2025-01-29 S Sale
3.6
Hollas, Bo

Director of Issuer

Non-Executive Director
150,000
0.49
CA$73,500 		150,000 0.49 CA$73,500
2025-03-18 2025-01-28 B Purchase
1.3
Stewart, Jennifer Anne

Director of Issuer

Non-Executive Director
6,400 +32.1%
0.48
CA$3,040 		6,400 +32.1% 0.48 CA$3,040
2025-03-18 2025-01-24 B Purchase
1.3
Stewart, Jennifer Anne

Director of Issuer

Non-Executive Director
6,000 +43.0%
0.49
CA$2,940 		6,000 +43.0% 0.49 CA$2,940
2025-01-29 2025-01-22 S Sale
2.3
Blecher, Peter Martin

Director of Issuer

Non-Executive Director
175,067 -14.3%
0.45
CA$78,430 		175,067 -14.3% 0.45 CA$78,430
2025-01-29 2025-01-22 S Sale
2.3
Blecher, Peter Martin

Director of Issuer

Non-Executive Director
150,000 -10.9%
0.42
CA$63,000 		150,000 -10.9% 0.42 CA$63,000
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