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Who

ABG Management Ltd.

10% owner

Company insider

Files Form 4 as: 10% owner, ProMIS Neurosciences.

Everywhere else they filed: board seats, 10% stakes, other companies

PMN ProMIS Neurosciences10% owner · Biotechnology · last 3 Feb 20261 buy · 0 sells

1 Feb – 1 Oct

Buys above the line, sells below, each month.

Traded	Company	What	Amount
3 Feb 2026filed 5 Feb 2026	PMN ProMIS NeurosciencesBiotechnology	SEC FORM 4 Bought	$8.5M700,741 at $12.13	filing
3 Feb 2026filed 5 Feb 2026	PMN ProMIS Neurosciencesoption or derivative · Biotechnology	SEC FORM 4 Code P	—700,741	filing

No headline names them, or the companies they trade most, lately.

Health Care1

Buys in green, sells in red, by the company’s sector.

Ivana RubinoChief Commercial Officer · Chief Commercial Officer at ProMIS Neurosciences, filing Form 4 there in the last year

Johanne KaplanChief Development Officer · Chief Development Officer at ProMIS Neurosciences, filing Form 4 there in the last year

Max A. MilburyPrincipal Accounting Officer · Principal Accounting Officer at ProMIS Neurosciences, filing Form 4 there in the last year

Josh Mandel-BrehmChief Executive Officer · Director at ProMIS Neurosciences, filing Form 4 there in the last year

William W. WymanDirector · Director at ProMIS Neurosciences, filing Form 4 there in the last year