Iron Mountain Inc

IRMNYSE
$121.43
0.530.44%
al cierre: Aug 25, 5:00 PM EST
$121.43
0.530.44%
Premercado: 4:42 AM EST

Iron Mountain Ownership & Insider Activity

Iron Mountain (IRM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 2.0% of shares outstanding. Institutional investors hold 61.8%. Over the past 90 days, insiders made 4 sales worth $3.5M.

Shares Outstanding

297.479M

Shares Float

218.906M

Insider Shares Owned

6.030M

Insider % Owned

2.0%

Institutional Shares Held

183.876M

Institutional % Held

61.8%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

0

Sales (90d)

4

$3.5M total

Net Activity

Net Selling

Net Value (90d)

-$3.5M

Iron Mountain Insider Transactions (Last 6 Months)

DateInsiderTitleTypeSharesPriceValue
Aug 7, 2026Christine Zhang under Power of Attorney dated February 27, 2025, from William MeaneyPRESIDENT AND CEOSELL-OPTIONS$79.33$3.3M
Aug 7, 2026Mark KiddEVP, GM DATA CENTERS & ALMSELL6.000K$122.70$736K

Congressional Trading Activity

DateMemberPartyChamberActionAmount
Feb 4, 2026Markwayne MullinRSenateS$1,001 - $15,000
Dec 18, 2025Markwayne MullinRSenateS$1,001 - $15,000