Johanne Kaplan - 20 May 2026 Form 4 Insider Report for ProMIS Neurosciences Inc. (PMN)

Reporting relationship: Chief Development Officer
Issuer ticker: PMN
Reported as of: 20 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 May 2026, 16:30:42 UTC
Prior SEC filing: 23 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Max A. Milbury, Attorney in Fact for Johanne Kaplan

Key filing fact

Johanne Kaplan filed Form 4 for ProMIS Neurosciences Inc. (PMN) on 22 May 2026.

Key facts

This page summarizes Johanne Kaplan's Form 4 filing for ProMIS Neurosciences Inc. (PMN).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 22 May 2026, 16:30.

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

CIK 0001967717 Primary reporting owner

Relationship: Chief Development Officer
Address: C/O PROMIS NEUROSCIENCES INC., SUITE 200, 1920 YONGE STREET, TORONTO, ONTARIO, CANADA
Signature: /s/ Max A. Milbury, Attorney in Fact for Johanne Kaplan
Signature date: 22 May 2026

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PMN transaction Derivative

Award

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Explanation of responses 1 footnote

Footnote F1

The shares subject to this option shall vest ratably over four years, subject to continued service to the Issuer through each vesting date.