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Canada Biotechnology & Medical Research

ProMIS Neurosciences Inc (PMN)

Track

Over the last 90 days, ProMIS Neurosciences Inc. has seen a net insider buy of $45,320, with one insider transaction recorded. This activity represents a minimal net buy as a percentage of the float. No executive transactions were noted in this period. The stock has experienced a significant price decline of approximately 57.9% over the same timeframe.
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Ticker: PMN Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Kirwin Patrick D.
1 purchase — total 45,320 USD
Buy 22 Apr 2026
Value US$2,933,252.52 | Price 125.85 | Shares 82,315
Buy 5 Mar 2026
Value US$305,966.40 | Price 45.86 | Shares 21,978
Buy 4 Mar 2026
Value US$48,000.00 | Price 24.00 | Shares 2,000
Buy 3 Mar 2026
Value US$21,890.00 | Price 21.89 | Shares 1,000
Buy 2 Mar 2026
Value US$22,530.00 | Price 22.53 | Shares 1,000
Buy 19 Feb 2026
Value US$25,005.15 | Price 15.35 | Shares 1,629
Buy 3 Feb 2026
Value US$8,499,988.33 | Price 12.13 | Shares 700,741
Buy 3 Oct 2025
Value US$14,928.55 | Price 0.49 | Shares 30,392
Buy 10 Feb 2025
Value US$14,595.00 | Price 0.97 | Shares 15,000
Buy 24 Sep 2024
Value US$91,028.00 | Price 1.30 | Shares 70,000
Buy 23 Sep 2024
Value US$89,656.00 | Price 1.28 | Shares 70,000
Buy 20 Sep 2024
Value US$75,066.00 | Price 1.25 | Shares 60,000
Buy 17 Sep 2024
Value US$22,808.80 | Price 1.40 | Shares 16,292
Buy 16 Sep 2024
Value US$94,071.23 | Price 1.22 | Shares 76,931
Buy 14 Aug 2024
Value US$12,492.00 | Price 1.25 | Shares 10,000
Buy 16 Dec 2022
Value US$4,640.00 | Price 4.64 | Shares 1,000
Buy 16 Dec 2022
Value US$4,650.00 | Price 4.65 | Shares 1,000
Buy 16 Dec 2022
Value US$4,640.00 | Price 4.64 | Shares 1,000
Buy 16 Dec 2022
Value US$4,650.00 | Price 4.65 | Shares 1,000
Buy 15 Dec 2022
Value CA$12,320.00 | Price 6.16 | Shares 2,000
Buy 15 Dec 2022
Value US$9,020.00 | Price 4.51 | Shares 2,000
Buy 14 Dec 2022
Value US$4,940.00 | Price 4.94 | Shares 1,000
Buy 14 Dec 2022
Value US$4,940.00 | Price 4.94 | Shares 1,000
Buy 13 Dec 2022
Value CA$6,600.00 | Price 6.60 | Shares 1,000
Buy 13 Dec 2022
Value US$4,870.00 | Price 4.87 | Shares 1,000
Buy 12 Dec 2022
Value US$5,075.00 | Price 5.08 | Shares 1,000
Buy 12 Dec 2022
Value US$5,075.00 | Price 5.08 | Shares 1,000
Buy 9 Dec 2022
Value CA$6,800.00 | Price 6.80 | Shares 1,000
Buy 9 Dec 2022
Value US$4,980.00 | Price 4.98 | Shares 1,000
Buy 7 Dec 2022
Value US$5,490.00 | Price 5.49 | Shares 1,000
Buy 7 Dec 2022
Value US$5,486.40 | Price 5.49 | Shares 1,000
Buy 6 Dec 2022
Value US$5,700.00 | Price 5.70 | Shares 1,000
Buy 6 Dec 2022
Value US$5,700.00 | Price 5.70 | Shares 1,000
Buy 2 Dec 2022
Value US$5,980.00 | Price 5.98 | Shares 1,000
Buy 2 Dec 2022
Value US$5,980.00 | Price 5.98 | Shares 1,000
Buy 17 Aug 2022
Value US$23,680.00 | Price 5.92 | Shares 4,000
Buy 11 Jul 2022
Value US$9,800.00 | Price 9.80 | Shares 1,000
Buy 19 Oct 2005
Value US$7,990.00 | Price 3.40 | Shares 2,350
Buy 16 Aug 2005
Value US$12,845.00 | Price 3.67 | Shares 3,500
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
2026-04-23 2026-04-22 B Purchase
2.3
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
1.7
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
1.7
Williams Eugene
Non-Executive Director
85,149 -18.3%
306.68
US$3,845,189 		85,149 -18.3% 306.68 US$3,845,189
2026-03-04 2026-03-03 B Purchase
1.7
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
1.7
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
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
2.3
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
1.8
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
1.8
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
1.7
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
1.7
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
2.6
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
2.3
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
2.6
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
2.3
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
1.8
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
1.7
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
2.6
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
2.3
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
1.8
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
1.7
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
1.8
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
1.7
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
2.3
Kirwin Patrick D.
Non-Executive Director
4,000 +10.5%
5.92
US$23,680 		4,000 +10.5% 5.92 US$23,680
2022-07-12 2022-07-11 B Purchase
1.7
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
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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