Filing Manager
BANK OF MONTREAL /CAN/
Reporting Manager
Bank of Montreal
Symbol
ARMN
Shares outstanding
202,438,377 shares
Disclosed Ownership
6,113,639 shares
Ownership
3%
Form type
SCHEDULE 13G/A
Filing time
13 Feb 2026, 07:36:46 UTC
Date of event
30 Sep 2025

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Bank of Montreal 3% 6,113,639 1,216,282 4,897,357 Kathryn Cenac Managing Director - Regulatory Solutions Group
BANK OF MONTREAL HOLDING INC. 3% 6,110,339 1,212,982 4,897,357 Kathryn Cenac Managing Director - Regulatory Solutions Group
BMO NESBITT BURNS INC. WEALTH MANAGEMENT 0.6% 1,233,246 1,211,979 21,267 Kathryn Cenac Managing Director - Regulatory Solutions Group
BMO ASSET MANAGEMENT INC. 0.59% 1,196,716 1,196,716 0 Kathryn Cenac Managing Director - Regulatory Solutions Group
BMO NESBITT BURNS INC. 2.4% 4,876,090 0 4,876,090 Kathryn Cenac Managing Director - Regulatory Solutions Group