Patrick D. Kirwin, Director at ProMIS Neurosciences Inc. (PMN), bought 4,000 shares at $11.33 ($45K) on 2026-04-22, disclosed to the SEC on 2026-04-23.
Director Patrick D. Kirwin purchased 4,000 shares of ProMIS Neurosciences for $45,320 at $11.33, marking the largest insider purchase in the company's history. This significant buyback could signal confidence in the stock's recovery potential given its recent volatility.
The stock has dropped 8.11% over the last five days and 37.58% over the past month, trading 72.63% below its 52-week high of $39.75.
The purchase represents the largest insider trade in the company's history.
The biotech sector has seen negative insider buying flow over the last 90 days, and the stock has a short interest of 1.58%.
Clearly above the average filing.
| Filing → |
| PMN | BUY | 2022-12-13 | $5K | — | Filing → |
| PMN | BUY | 2022-08-18 | $24K | — | Filing → |