Deborah Marson - Mar 1, 2023 Form 4 Insider Report for IRON MOUNTAIN INC (IRM)

Signature
/s/ Elizabeth Tammaro, under Power of Attorney dated December 7, 2016, from Deborah Marson
Stock symbol
IRM
Transactions as of
Mar 1, 2023
Transactions value $
-$184,766
Form type
4
Date filed
3/2/2023, 08:36 PM
Previous filing
Feb 27, 2023
Next filing
Mar 9, 2023

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 +6.53K +10.98% $0.00 65.9K Mar 1, 2023 Direct F1
transaction IRM Common Stock, par value $.01 per share Tax liability -$144K -2.74K -4.15% $52.58 63.2K Mar 1, 2023 Direct
transaction IRM Common Stock, par value $.01 per share Options Exercise $0 +1.85K +2.92% $0.00 65.1K Mar 1, 2023 Direct F2
transaction IRM Common Stock, par value $.01 per share Tax liability -$40.7K -774 -1.19% $52.58 64.3K Mar 1, 2023 Direct

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 Restricted Stock Units Options Exercise $0 -6.53K -50% $0.00 6.53K Mar 1, 2023 Common Stock 6.53K Direct F3, F4
transaction IRM Restricted Stock Units Options Exercise $0 -1.85K -33.33% $0.00 3.69K Mar 1, 2023 Common Stock 1.85K Direct F3, F5
transaction IRM Restricted Stock Units Award $0 +6.42K $0.00 6.42K Mar 1, 2023 Common Stock 6.42K Direct F3, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 1, 2021.
F2 This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 1, 2022.
F3 Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").
F4 The RSUs, representing a contingent right to receive a total of 19,579 shares of Common Stock, were granted to the Reporting Person on March 1, 2021 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.
F5 The RSUs, representing a contingent right to receive a total of 5,536 shares of Common Stock, were granted to the Reporting Person on March 1, 2022 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.
F6 The RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.