PMN insider buying
4 cluster buysProMIS Neurosciences Inc.
When two or more insiders at ProMIS Neurosciences Inc. buy PMN in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in PMN plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Oct 30 – Nov 4, 2026Detected Nov 6, 2026Executive buyer2 insidersTotal bought$134.7KMarket capUnknown
- Aug 5 – Nov 2, 2026Detected Nov 3, 2026Executive buyer3 insidersTotal bought$74.2KMarket capUnknown
- Feb 3 – Mar 5, 2026Detected Mar 5, 2026Executive buyer3 insidersTotal bought$8.7MMarket cap$123.0M
1 more cluster in PMN
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All notable open-market buys in PMN
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Nov 4, 2026 | Williams Eugenecluster Director | 26,500 | $3.43 | $90.9K | SEC ↗ |
| Nov 2, 2026 | Cashman Neilcluster Director, Chief Scientific Officer | 10,000 | $3.86 | $38.6K | SEC ↗ |
| Oct 30, 2026 | Williams Eugenecluster Director | 1,316 | $3.99 | $5.3K | SEC ↗ |
| Aug 5, 2026 | Kaplan Johannecluster Chief Development Officer | 2,280 | $13.30 | $30.3K | SEC ↗ |
| Mar 5, 2026 | Williams Eugenecluster Director | 2,000 | $24.40 | $48.8K | SEC ↗ |
| Mar 4, 2026 | Williams Eugenecluster Director | 2,000 | $24.00 | $48.0K | SEC ↗ |
| Mar 3, 2026 | Williams Eugenecluster Director | 1,000 | $21.89 | $21.9K | SEC ↗ |
| Mar 2, 2026 | Williams Eugenecluster Director | 1,000 | $22.53 | $22.5K | SEC ↗ |
| Feb 19, 2026 | Kaplan Johannecluster Chief Development Officer | 1,629 | $15.35 | $25.0K | SEC ↗ |
| Feb 3, 2026 | Yu Fancluster 10% Owner | 700,741 | $12.13 | $8.5M | SEC ↗ |
| Oct 3, 2025 | Principal Accounting Officer | 30,392 | $0.49 | $14.9K | SEC ↗ |
| Feb 10, 2025 | Director, Chief Scientific Officer | 15,000 | $0.97 | $14.6K | SEC ↗ |
| Sep 24, 2024 | Shafmaster Madge K.cluster Director | 70,000 | $1.30 | $91.0K | SEC ↗ |
| Sep 23, 2024 | Shafmaster Madge K.cluster Director | 70,000 | $1.28 | $89.6K | SEC ↗ |
| Sep 20, 2024 | Shafmaster Madge K.cluster Director | 60,000 | $1.25 | $75.0K | SEC ↗ |
| Sep 17, 2024 | GORDON MICHAEL Scluster 10% Owner | 16,292 | $1.40 | $22.8K | SEC ↗ |
| Sep 16, 2024 | GORDON MICHAEL Scluster 10% Owner | 76,931 | $1.22 | $93.9K | SEC ↗ |
| Aug 14, 2024 | Kirwin Patrick D.cluster Director | 10,000 | $1.25 | $12.5K | SEC ↗ |
PMN insider buying — FAQ
- Are insiders buying PMN stock?
- Yes — 11 distinct insiders have bought PMN (ProMIS Neurosciences Inc.) on the open market, including 4 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Nov 6, 2026.
- How much PMN stock have insiders bought?
- Insiders have bought a combined $9.2M of PMN across 18 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in PMN?
- A cluster buy is two or more distinct ProMIS Neurosciences Inc. insiders — officers, directors, or 10% owners — each buying PMN on the open market within a rolling window. PMN has 4 detected cluster buys to date.
- Where does this PMN insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in PMN
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy PMN within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding PMN.