Larry Douglas Altstiel
CIK: 0001619444
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
PMN
ProMIS Neurosciences Inc.
Officer
Discretionary Trading P&L
Holdings
About ALTSTIEL LARRY DOUGLAS
ALTSTIEL LARRY DOUGLAS (SEC CIK 0001619444) files insider reports with the SEC as Chief Medical Officer of ProMIS Neurosciences Inc. (PMN).
Signal8 holds 2 ownership filings by ALTSTIEL LARRY DOUGLAS, all Form 4s, filed between Nov 20, 2024 and Sep 24, 2025. Those filings report 2 transactions, from Nov 18, 2024 to Sep 22, 2025. Signal8's Form 4 history starts in Sep 2024.
The business address on ALTSTIEL LARRY DOUGLAS's filings is in TORONTO, A6.
Recent filings by ALTSTIEL LARRY DOUGLAS
Other insiders filing for ProMIS Neurosciences Inc. (PMN)
- Williams Eugene, Director
- Cashman Neil, Chief Scientific Officer
- Rubino Ivana, Chief Commercial Officer
- Kaplan Johanne, Chief Development Officer
- WYMAN WILLIAM W, Director
- Warma Neil K, Chief Executive Officer