PMN insider buying
2 cluster buysProMIS Neurosciences Inc. · Healthcare
When two or more insiders at ProMIS Neurosciences Inc. buy PMN on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. 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
- Feb 3 – Mar 5, 2026Detected Mar 5, 2026High conviction3 insidersTotal bought$8.7MMarket cap$123.0M
- Aug 14 – Sep 24, 2024Detected Sep 24, 20243 insidersTotal bought$384.8KMarket cap$123.0M
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 |
|---|---|---|---|---|---|
| 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 ↗ |
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PMN insider buying — FAQ
- Are insiders buying PMN stock?
- Yes — 8 distinct insiders have bought PMN (ProMIS Neurosciences Inc.) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Mar 6, 2026.
- How much PMN stock have insiders bought?
- Insiders have bought a combined $9.1M of PMN across 14 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 2 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. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. 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.