Arway Pamela M plan to sell securities of IRON MOUNTAIN INC under Form 144

Arway Pamela M filed Form 144 to notify SEC of plan to sell 1892 units of IRON MOUNTAIN INC securities around 2026-05-12, with aggregate market value of $244,011.24. The total outstanding units is 297524681.0. The amount planned to be sold represents 0.00% of total outstanding units;