Canada Biotechnology & Medical Research

ProMIS Neurosciences Inc (PMN)

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ProMIS Neurosciences Inc. recorded one insider purchase during the last ninety days. Chief Development Officer Johanne Kaplan acquired shares valued at 30,324 USD on August 5, 2026. This activity follows the company's April earnings report, occurring amidst a 37.7% stock price increase over the recent quarter.
Ticker: PMN Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
1.5
Kaplan Johanne Chief Development Officer Officer
Transaction date
Purchase
Price
325.01
Quantity 57,572 +32.7%
Value US$191,747
2.6
Kirwin Patrick D. Non-Executive Director
Transaction date
Purchase
Price
125.85
Quantity 82,315 -47.0%
Value US$2,933,253
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
45.86
Quantity 21,978 -3.1%
Value US$305,966
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
24.00
Quantity 2,000 +23.8%
Value US$48,000
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
21.89
Quantity 1,000 +13.5%
Value US$21,890
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
22.53
Quantity 1,000 +15.6%
Value US$22,530
1.5
Kaplan Johanne Chief Development Officer Officer
Transaction date
Purchase
Price
15.35
Quantity 1,629 +70.5%
Value US$25,005
ABG Management Ltd. Large shareholder
Transaction date
Purchase
Price
12.13
Quantity 700,741 +289.1%
Value US$8,499,988
1.3
Milbury Max A. Principal Accounting Officer
Transaction date
Purchase
Price
0.49
Quantity 30,392 +202.7%
Value US$14,929
0.5
Cashman Neil Chief Scientific Officer Executive Director
Transaction date
Purchase
Price
0.97
Quantity 15,000 +927.6%
Value US$14,595
0.9
Shafmaster Madge K. Non-Executive Director
Transaction date
Purchase
Price
1.30
Quantity 70,000 +50.6%
Value US$91,028
0.9
Shafmaster Madge K. Non-Executive Director
Transaction date
Purchase
Price
1.28
Quantity 70,000 +102.4%
Value US$89,656
0.9
Shafmaster Madge K. Non-Executive Director
Transaction date
Purchase
Price
1.25
Quantity 60,000 +720.0%
Value US$75,066
0.9
GORDON MICHAEL S Large shareholder
Transaction date
Purchase
Price
1.40
Quantity 16,292 +21.2%
Value US$22,809
0.9
GORDON MICHAEL S Large shareholder
Transaction date
Purchase
Price
1.22
Quantity 76,931 +inf%
Value US$94,071
2.6
Kirwin Patrick D. Non-Executive Director
Transaction date
Purchase
Price
1.25
Quantity 10,000 +18.9%
Value US$12,492
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
4.64
Quantity 1,000 +0.6%
Value US$4,640
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
4.65
Quantity 1,000 +0.6%
Value US$4,650
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
4.64
Quantity 1,000 +0.6%
Value US$4,640
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
4.65
Quantity 1,000 +0.6%
Value US$4,650
2.1
Kirwin, Patrick D. Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.16
Quantity 2,000 +7.7%
Value CA$12,320
2.6
Kirwin Patrick D. Non-Executive Director
Transaction date
Purchase
Price
4.51
Quantity 2,000 +7.7%
Value US$9,020
1.3
Farfel, Gail Senior Officer of Issuer Officer
Transaction date
Purchase
Price
4.94
Quantity 1,000 +100.0%
Value US$4,940
3.7
Farfel Gail M Chief Executive Officer Officer
Transaction date
Purchase
Price
4.94
Quantity 1,000 +100.0%
Value US$4,940
2.1
Kirwin, Patrick D. Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.60
Quantity 1,000 +4.0%
Value CA$6,600
2.6
Kirwin Patrick D. Non-Executive Director
Transaction date
Purchase
Price
4.87
Quantity 1,000 +4.0%
Value US$4,870
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
5.08
Quantity 1,000 +0.6%
Value US$5,075
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
5.08
Quantity 1,000 +0.6%
Value US$5,075
2.1
Kirwin, Patrick D. Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.80
Quantity 1,000 +4.2%
Value CA$6,800
2.6
Kirwin Patrick D. Non-Executive Director
Transaction date
Purchase
Price
4.98
Quantity 1,000 +4.2%
Value US$4,980
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
5.49
Quantity 1,000 +0.6%
Value US$5,490
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
5.49
Quantity 1,000 +0.6%
Value US$5,486
1.3
Farfel, Gail Senior Officer of Issuer Officer
Transaction date
Purchase
Price
5.70
Quantity 1,000
Value US$5,700
3.7
Farfel Gail M Chief Executive Officer Officer
Transaction date
Purchase
Price
5.70
Quantity 1,000 +inf%
Value US$5,700
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
5.98
Quantity 1,000 +0.6%
Value US$5,980
1.6
Williams Eugene Non-Executive Director
Transaction date
Purchase
Price
5.98
Quantity 1,000 +0.6%
Value US$5,980
2.6
Kirwin Patrick D. Non-Executive Director
Transaction date
Purchase
Price
5.92
Quantity 4,000 +10.5%
Value US$23,680
2.1
Kirwin, Patrick D. Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
7.65
Quantity 4,000 +10.5%
Value CA$30,600
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
9.80
Quantity 1,000 +0.6%
Value CA$9,800
1.6
Williams Eugene Chairman and CEO Executive Director
Transaction date
Purchase
Price
9.80
Quantity 1,000 +0.6%
Value US$9,800
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.36
Quantity 1,000 +0.7%
Value US$6,360
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
7.10
Quantity 200 +0.1%
Value US$1,420
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.49
Quantity 500 +0.3%
Value US$3,244
1.0
Cashman, Neil Senior Officer of Issuer Officer
Transaction date
Purchase
Price
8.19
Quantity 609 +0.6%
Value CA$4,985
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.44
Quantity 200 +0.1%
Value US$1,289
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.44
Quantity 100 +0.1%
Value US$644
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.44
Quantity 200 +0.1%
Value US$1,289
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.55
Quantity 100 +0.1%
Value US$655
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.52
Quantity 400 +0.3%
Value US$2,609
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.80
Quantity 400 +0.3%
Value US$2,722
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.68
Quantity 100 +0.1%
Value US$668
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.59
Quantity 500 +0.3%
Value US$3,296
1.9
Williams, Eugene Warren Director of Issuer Non-Executive Director
Transaction date
Purchase
Price
6.89
Quantity 1,000 +0.0%
Value US$6,890
Downey Michael Non-Executive Director
Transaction date
Purchase
Price
3.40
Quantity 2,350 +67.1%
Value US$7,990
Downey Michael Non-Executive Director
Transaction date
Purchase
Price
3.67
Quantity 3,500 +inf%
Value US$12,845
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-07 2026-08-05 B Purchase
1.5
Kaplan Johanne

Chief Development Officer

Officer
57,572 +32.7%
325.01
US$191,747 		57,572 +32.7% 325.01 US$191,747
2026-04-23 2026-04-22 B Purchase
2.6
Kirwin Patrick D.
Non-Executive Director
82,315 -47.0%
125.85
US$2,933,253 		82,315 -47.0% 125.85 US$2,933,253
2026-03-06 2026-03-05 B Purchase
1.6
Williams Eugene
Non-Executive Director
21,978 -3.1%
45.86
US$305,966 		21,978 -3.1% 45.86 US$305,966
2026-03-04 2026-03-04 B Purchase
1.6
Williams Eugene
Non-Executive Director
2,000 +23.8%
24.00
US$48,000 		2,000 +23.8% 24.00 US$48,000
2026-03-04 2026-03-03 B Purchase
1.6
Williams Eugene
Non-Executive Director
1,000 +13.5%
21.89
US$21,890 		1,000 +13.5% 21.89 US$21,890
2026-03-04 2026-03-02 B Purchase
1.6
Williams Eugene
Non-Executive Director
1,000 +15.6%
22.53
US$22,530 		1,000 +15.6% 22.53 US$22,530
2026-02-23 2026-02-19 B Purchase
1.5
Kaplan Johanne

Chief Development Officer

Officer
1,629 +70.5%
15.35
US$25,005 		1,629 +70.5% 15.35 US$25,005
2026-02-05 2026-02-03 B Purchase
ABG Management Ltd.
Large shareholder
700,741 +289.1%
12.13
US$8,499,988 		700,741 +289.1% 12.13 US$8,499,988
2025-10-06 2025-10-03 B Purchase
1.3
Milbury Max A.

Principal Accounting Officer
30,392 +202.7%
0.49
US$14,929 		30,392 +202.7% 0.49 US$14,929
2025-02-12 2025-02-10 B Purchase
0.5
Cashman Neil

Chief Scientific Officer

Executive Director
15,000 +927.6%
0.97
US$14,595 		15,000 +927.6% 0.97 US$14,595
2024-09-24 2024-09-24 B Purchase
0.9
Shafmaster Madge K.
Non-Executive Director
70,000 +50.6%
1.30
US$91,028 		70,000 +50.6% 1.30 US$91,028
2024-09-24 2024-09-23 B Purchase
0.9
Shafmaster Madge K.
Non-Executive Director
70,000 +102.4%
1.28
US$89,656 		70,000 +102.4% 1.28 US$89,656
2024-09-24 2024-09-20 B Purchase
0.9
Shafmaster Madge K.
Non-Executive Director
60,000 +720.0%
1.25
US$75,066 		60,000 +720.0% 1.25 US$75,066
2024-09-18 2024-09-17 B Purchase
0.9
GORDON MICHAEL S
Large shareholder
16,292 +21.2%
1.40
US$22,809 		16,292 +21.2% 1.40 US$22,809
2024-09-18 2024-09-16 B Purchase
0.9
GORDON MICHAEL S
Large shareholder
76,931 +inf%
1.22
US$94,071 		76,931 +inf% 1.22 US$94,071
2024-08-16 2024-08-14 B Purchase
2.6
Kirwin Patrick D.
Non-Executive Director
10,000 +18.9%
1.25
US$12,492 		10,000 +18.9% 1.25 US$12,492
2022-12-19 2022-12-16 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
1,000 +0.6%
4.64
US$4,640 		1,000 +0.6% 4.64 US$4,640
2022-12-19 2022-12-16 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
1,000 +0.6%
4.65
US$4,650 		1,000 +0.6% 4.65 US$4,650
2022-12-19 2022-12-16 B Purchase
1.6
Williams Eugene
Non-Executive Director
1,000 +0.6%
4.64
US$4,640 		1,000 +0.6% 4.64 US$4,640
2022-12-19 2022-12-16 B Purchase
1.6
Williams Eugene
Non-Executive Director
1,000 +0.6%
4.65
US$4,650 		1,000 +0.6% 4.65 US$4,650
2022-12-15 2022-12-15 B Purchase
2.1
Kirwin, Patrick D.

Director of Issuer

Non-Executive Director
2,000 +7.7%
6.16
CA$12,320 		2,000 +7.7% 6.16 CA$12,320
2022-12-15 2022-12-15 B Purchase
2.6
Kirwin Patrick D.
Non-Executive Director
2,000 +7.7%
4.51
US$9,020 		2,000 +7.7% 4.51 US$9,020
2022-12-16 2022-12-14 B Purchase
1.3
Farfel, Gail

Senior Officer of Issuer

Officer
1,000 +100.0%
4.94
US$4,940 		1,000 +100.0% 4.94 US$4,940
2022-12-16 2022-12-14 B Purchase
3.7
Farfel Gail M

Chief Executive Officer

Officer
1,000 +100.0%
4.94
US$4,940 		1,000 +100.0% 4.94 US$4,940
2022-12-15 2022-12-13 B Purchase
2.1
Kirwin, Patrick D.

Director of Issuer

Non-Executive Director
1,000 +4.0%
6.60
CA$6,600 		1,000 +4.0% 6.60 CA$6,600
2022-12-15 2022-12-13 B Purchase
2.6
Kirwin Patrick D.
Non-Executive Director
1,000 +4.0%
4.87
US$4,870 		1,000 +4.0% 4.87 US$4,870
2022-12-13 2022-12-12 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
1,000 +0.6%
5.08
US$5,075 		1,000 +0.6% 5.08 US$5,075
2022-12-13 2022-12-12 B Purchase
1.6
Williams Eugene
Non-Executive Director
1,000 +0.6%
5.08
US$5,075 		1,000 +0.6% 5.08 US$5,075
2022-12-13 2022-12-09 B Purchase
2.1
Kirwin, Patrick D.

Director of Issuer

Non-Executive Director
1,000 +4.2%
6.80
CA$6,800 		1,000 +4.2% 6.80 CA$6,800
2022-12-13 2022-12-09 B Purchase
2.6
Kirwin Patrick D.
Non-Executive Director
1,000 +4.2%
4.98
US$4,980 		1,000 +4.2% 4.98 US$4,980
2022-12-10 2022-12-07 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
1,000 +0.6%
5.49
US$5,490 		1,000 +0.6% 5.49 US$5,490
2022-12-08 2022-12-07 B Purchase
1.6
Williams Eugene
Non-Executive Director
1,000 +0.6%
5.49
US$5,486 		1,000 +0.6% 5.49 US$5,486
2022-12-10 2022-12-06 B Purchase
1.3
Farfel, Gail

Senior Officer of Issuer

Officer
1,000
5.70
US$5,700 		1,000 5.70 US$5,700
2022-12-08 2022-12-06 B Purchase
3.7
Farfel Gail M

Chief Executive Officer

Officer
1,000 +inf%
5.70
US$5,700 		1,000 +inf% 5.70 US$5,700
2022-12-07 2022-12-02 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
1,000 +0.6%
5.98
US$5,980 		1,000 +0.6% 5.98 US$5,980
2022-12-06 2022-12-02 B Purchase
1.6
Williams Eugene
Non-Executive Director
1,000 +0.6%
5.98
US$5,980 		1,000 +0.6% 5.98 US$5,980
2022-08-18 2022-08-17 B Purchase
2.6
Kirwin Patrick D.
Non-Executive Director
4,000 +10.5%
5.92
US$23,680 		4,000 +10.5% 5.92 US$23,680
2022-08-19 2022-08-16 B Purchase
2.1
Kirwin, Patrick D.

Director of Issuer

Non-Executive Director
4,000 +10.5%
7.65
CA$30,600 		4,000 +10.5% 7.65 CA$30,600
2022-07-12 2022-07-11 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
1,000 +0.6%
9.80
CA$9,800 		1,000 +0.6% 9.80 CA$9,800
2022-07-12 2022-07-11 B Purchase
1.6
Williams Eugene

Chairman and CEO

Executive Director
1,000 +0.6%
9.80
US$9,800 		1,000 +0.6% 9.80 US$9,800
2022-07-05 2022-07-05 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
1,000 +0.7%
6.36
US$6,360 		1,000 +0.7% 6.36 US$6,360
2022-07-05 2022-07-01 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
200 +0.1%
7.10
US$1,420 		200 +0.1% 7.10 US$1,420
2022-07-05 2022-06-30 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
500 +0.3%
6.49
US$3,244 		500 +0.3% 6.49 US$3,244
2022-07-05 2022-06-30 B Purchase
1.0
Cashman, Neil

Senior Officer of Issuer

Officer
609 +0.6%
8.19
CA$4,985 		609 +0.6% 8.19 CA$4,985
2022-06-30 2022-06-30 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
200 +0.1%
6.44
US$1,289 		200 +0.1% 6.44 US$1,289
2022-06-30 2022-06-30 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
100 +0.1%
6.44
US$644 		100 +0.1% 6.44 US$644
2022-06-30 2022-06-30 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
200 +0.1%
6.44
US$1,289 		200 +0.1% 6.44 US$1,289
2022-06-29 2022-06-29 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
100 +0.1%
6.55
US$655 		100 +0.1% 6.55 US$655
2022-06-29 2022-06-29 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
400 +0.3%
6.52
US$2,609 		400 +0.3% 6.52 US$2,609
2022-06-29 2022-06-29 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
400 +0.3%
6.80
US$2,722 		400 +0.3% 6.80 US$2,722
2022-06-29 2022-06-29 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
100 +0.1%
6.68
US$668 		100 +0.1% 6.68 US$668
2022-06-29 2022-06-29 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
500 +0.3%
6.59
US$3,296 		500 +0.3% 6.59 US$3,296
2022-06-28 2022-06-28 B Purchase
1.9
Williams, Eugene Warren

Director of Issuer

Non-Executive Director
1,000 +0.0%
6.89
US$6,890 		1,000 +0.0% 6.89 US$6,890
2005-10-26 2005-10-19 B Purchase Downey Michael Non-Executive Director
2,350 +67.1%
3.40
US$7,990 		2,350 +67.1% 3.40 US$7,990
2005-08-17 2005-08-16 B Purchase Downey Michael Non-Executive Director
3,500 +inf%
3.67
US$12,845 		3,500 +inf% 3.67 US$12,845
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