Robin Matlock - Apr 4, 2024 Form 4 Insider Report for IRON MOUNTAIN INC (IRM)

Role
Director
Signature
/s/ Keely Stewart, under Power of Attorney dated April 17, 2023 from Robin Matlock
Stock symbol
IRM
Transactions as of
Apr 4, 2024
Transactions value $
$1,222
Form type
4
Date filed
4/5/2024, 04:44 PM
Previous filing
Mar 4, 2024
Next filing
May 3, 2024

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IRM Phantom Stock Award $1.22K +15.3 +0.81% $80.08 1.9K Apr 4, 2024 Common Stock 15.3 Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.
F2 These shares give effect to dividends paid on Common Stock as if reinvested in Phantom Shares.
F3 The price reported in Column 8 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $79.989 to $80.149, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (3).