Daniel Borges - 01 Mar 2023 Form 4 Insider Report for IRON MOUNTAIN INC (IRM)

Signature
/s/ Elizabeth Tammaro, under Power of Attorney dated October 23, 2017 from Daniel Borges
Issuer symbol
IRM
Transactions as of
01 Mar 2023
Net transactions value
-$22,609
Form type
4
Filing time
02 Mar 2023, 18:31:36 UTC
Previous filing
27 Feb 2023
Next filing
07 Jun 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 +820 +35% $0.000000 3,137 01 Mar 2023 Direct F1
transaction IRM Common Stock, par value $.01 per share Tax liability $12,619 -240 -7.7% $52.58 2,897 01 Mar 2023 Direct
transaction IRM Common Stock, par value $.01 per share Options Exercise $0 +649 +22% $0.000000 3,546 01 Mar 2023 Direct F2
transaction IRM Common Stock, par value $.01 per share Tax liability $9,990 -190 -5.4% $52.58 3,356 01 Mar 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 -820 -50% $0.000000 821 01 Mar 2023 Common Stock 820 Direct F3, F4
transaction IRM Restricted Stock Units Options Exercise $0 -649 -33% $0.000000 1,298 01 Mar 2023 Common Stock 649 Direct F3, F5
transaction IRM Restricted Stock Units Award $0 +2,139 $0.000000 2,139 01 Mar 2023 Common Stock 2,139 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 2,461 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 1,947 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.