Robin Matlock - Jan 2, 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
Jan 2, 2024
Transactions value $
-$130,339
Form type
4
Date filed
1/4/2024, 05:17 PM
Previous filing
Dec 4, 2023
Next filing
Jan 8, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IRM Common Stock, par value $.01 per share Options Exercise $0 +941 +4.28% $0.00 22.9K Jan 2, 2024 Direct F1
transaction IRM Common Stock, par value $.01 per share Sale -$65.2K -941 -4.11% $69.28 22K Jan 2, 2024 Direct F2

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 Options Exercise -$65.2K -941 -33.67% $69.28 1.85K Jan 2, 2024 Common Stock 941 Direct F1, F3, F4
* 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 "Plan"), the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.
F2 Represents Common Stock otherwise issuable to the Reporting Person for which cash was paid.
F3 Settlement of the Phantom Shares is in cash.
F4 Settlement of the Phantom Shares is made in accordance with distribution election made by the Reporting Person or as otherwise provided in the Plan.