Canada Biotechnology & Medical Research

Quantum BioPharma Ltd (QNTM)

Track

Quantum BioPharma Ltd experienced insider trading activity concluding on April 8, 2026. Recent movements involved director Donal Carroll executing multiple sell orders. Earlier in March, several key stakeholders, including Anthony John Durkacz and Zeeshan Saeed, participated in significant share acquisitions. These historical patterns reflect varied capital allocation decisions by corporate leadership over the past several months.
Ticker: QNTM Exchange: CNX
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for Quantum BioPharma Ltd. Upgrade to see score, net flow, insiders and the full signal context.

Open in Activity Signals screener →
Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
32.84
Quantity 14,030
Value CA$653,717
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
72.01
Quantity 78,952 -46.2%
Value CA$697,955
2.5
Saeed, Zeeshan Director of Issuer, Director or Senior Officer of Insider or Subsidiary of Issuer , Senior Officer of Issuer Executive Director
Transaction date
Purchase
Price
41.91
Quantity 96,757 +42.0%
Value CA$983,792
3.9
Durkacz, Anthony John 10% Security Holder of Issuer, Director of Issuer Non-Executive Director Large shareholder
Transaction date
Purchase
Price
3.00
Quantity 100,000 +227.7%
Value CA$300,000
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
3.00
Quantity 100,000 +675.4%
Value CA$300,000
2.5
Saeed, Zeeshan Director of Issuer, Director or Senior Officer of Insider or Subsidiary of Issuer , Senior Officer of Issuer Executive Director
Transaction date
Purchase
Price
25.00
Quantity 15 +250.0%
Value CA$375
3.9
Durkacz, Anthony John 10% Security Holder of Issuer, Director of Issuer Non-Executive Director Large shareholder
Transaction date
Purchase
Price
25.00
Quantity 15 +250.0%
Value CA$375
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
13.31
Quantity 500
Value CA$6,655
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
9.82
Quantity 6,967 -93.3%
Value US$68,416
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
6.73
Quantity 14,000 -65.2%
Value US$94,220
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
6.25
Quantity 13,000 -37.7%
Value US$81,250
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
5.86
Quantity 8,000 -18.8%
Value US$46,880
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
6.28
Quantity 16,000 -27.4%
Value US$100,480
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
6.33
Quantity 21,245 -26.7%
Value US$134,481
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
6.78
Quantity 6,100 -7.1%
Value US$41,358
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Sale
Price
7.73
Quantity 5,100 -5.6%
Value US$39,423
2.5
Saeed, Zeeshan Director of Issuer, Director or Senior Officer of Insider or Subsidiary of Issuer , Senior Officer of Issuer Executive Director
Transaction date
Purchase
Price
26.50
Quantity 300 +0.3%
Value US$7,950
3.9
Durkacz, Anthony John 10% Security Holder of Issuer, Director of Issuer Non-Executive Director Large shareholder
Transaction date
Purchase
Price
22.75
Quantity 700 +0.7%
Value US$15,925
3.6
Carroll, Donal Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
29.22
Quantity 500 +0.6%
Value CA$14,608
0.7
Coyle, Nathan Patrick Senior Officer of Issuer Officer
Transaction date
Sale
Price
20.16
Quantity 3,000 -54.5%
Value CA$60,480
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-04-08 2026-04-08 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
14,030
32.84
CA$653,717 		14,030 32.84 CA$653,717
2026-04-08 2026-04-07 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
78,952 -46.2%
72.01
CA$697,955 		78,952 -46.2% 72.01 CA$697,955
2026-03-23 2026-03-20 B Purchase
2.5
Saeed, Zeeshan

Director of Issuer, Director or Senior Officer of Insider or Subsidiary of Issuer , Senior Officer of Issuer

Executive Director
96,757 +42.0%
41.91
CA$983,792 		96,757 +42.0% 41.91 CA$983,792
2026-03-23 2026-03-20 B Purchase
3.9
Durkacz, Anthony John

10% Security Holder of Issuer, Director of Issuer

Non-Executive Director Large shareholder
100,000 +227.7%
3.00
CA$300,000 		100,000 +227.7% 3.00 CA$300,000
2026-03-23 2026-03-20 B Purchase
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
100,000 +675.4%
3.00
CA$300,000 		100,000 +675.4% 3.00 CA$300,000
2025-12-11 2025-12-10 B Purchase
2.5
Saeed, Zeeshan

Director of Issuer, Director or Senior Officer of Insider or Subsidiary of Issuer , Senior Officer of Issuer

Executive Director
15 +250.0%
25.00
CA$375 		15 +250.0% 25.00 CA$375
2025-12-11 2025-12-10 B Purchase
3.9
Durkacz, Anthony John

10% Security Holder of Issuer, Director of Issuer

Non-Executive Director Large shareholder
15 +250.0%
25.00
CA$375 		15 +250.0% 25.00 CA$375
2025-11-26 2025-11-26 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
500
13.31
CA$6,655 		500 13.31 CA$6,655
2025-11-26 2025-11-26 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
6,967 -93.3%
9.82
US$68,416 		6,967 -93.3% 9.82 US$68,416
2025-11-26 2025-11-25 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
14,000 -65.2%
6.73
US$94,220 		14,000 -65.2% 6.73 US$94,220
2025-11-26 2025-11-24 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
13,000 -37.7%
6.25
US$81,250 		13,000 -37.7% 6.25 US$81,250
2025-11-21 2025-11-21 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
8,000 -18.8%
5.86
US$46,880 		8,000 -18.8% 5.86 US$46,880
2025-11-21 2025-11-20 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
16,000 -27.4%
6.28
US$100,480 		16,000 -27.4% 6.28 US$100,480
2025-11-21 2025-11-18 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
21,245 -26.7%
6.33
US$134,481 		21,245 -26.7% 6.33 US$134,481
2025-11-21 2025-11-18 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
6,100 -7.1%
6.78
US$41,358 		6,100 -7.1% 6.78 US$41,358
2025-11-21 2025-11-17 S Sale
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
5,100 -5.6%
7.73
US$39,423 		5,100 -5.6% 7.73 US$39,423
2025-08-07 2025-08-07 B Purchase
2.5
Saeed, Zeeshan

Director of Issuer, Director or Senior Officer of Insider or Subsidiary of Issuer , Senior Officer of Issuer

Executive Director
300 +0.3%
26.50
US$7,950 		300 +0.3% 26.50 US$7,950
2025-07-17 2025-07-17 B Purchase
3.9
Durkacz, Anthony John

10% Security Holder of Issuer, Director of Issuer

Non-Executive Director Large shareholder
700 +0.7%
22.75
US$15,925 		700 +0.7% 22.75 US$15,925
2025-07-14 2025-07-14 B Purchase
3.6
Carroll, Donal

Director of Issuer

Non-Executive Director
500 +0.6%
29.22
CA$14,608 		500 +0.6% 29.22 CA$14,608
2025-06-13 2025-06-03 S Sale
0.7
Coyle, Nathan Patrick

Senior Officer of Issuer

Officer
3,000 -54.5%
20.16
CA$60,480 		3,000 -54.5% 20.16 CA$60,480
Explore more

More insider trading research around Quantum BioPharma Ltd

More insider trades in Canada
Similar Healthcare companies with insider activity
More Pharmaceuticals & Medical Research companies with insider activity
More Biotechnology & Medical Research companies with insider activity
Insider trading in North America