Michelle Vervais Altamura - 01 Mar 2025 Form 4 Insider Report for IRON MOUNTAIN INC (IRM)

Role
EVP, General Counsel, Sec.
Signature
/s/ Christine Zhang, under Power of Attorney dated September 17, 2024, from Michelle Altamura
Issuer symbol
IRM
Transactions as of
01 Mar 2025
Net transactions value
-$91,959
Form type
4
Filing time
04 Mar 2025, 18:43:55 UTC
Previous filing
03 Jan 2025
Next filing
06 Jan 2026
SEC
View on sec.gov

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 +1,074 +35% $0.000000 4,105 01 Mar 2025 Direct F1
transaction IRM Common Stock, par value $.01 per share Tax liability $33,355 -358 -8.7% $93.17 3,747 01 Mar 2025 Direct
transaction IRM Common Stock, par value $.01 per share Options Exercise $0 +1,458 +39% $0.000000 5,205 01 Mar 2025 Direct F2
transaction IRM Common Stock, par value $.01 per share Tax liability $45,281 -486 -9.3% $93.17 4,719 01 Mar 2025 Direct
transaction IRM Common Stock, par value $.01 per share Options Exercise $0 +431 +9.1% $0.000000 5,150 01 Mar 2025 Direct F3
transaction IRM Common Stock, par value $.01 per share Tax liability $13,323 -143 -2.8% $93.17 5,007 01 Mar 2025 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 -1,074 -100% $0.000000 0 01 Mar 2025 Common Stock 1,074 Direct F4, F5
transaction IRM Restricted Stock Units Options Exercise $0 -1,458 -50% $0.000000 1,458 01 Mar 2025 Common Stock 1,458 Direct F4, F6
transaction IRM Restricted Stock Units Options Exercise $0 -431 -33% $0.000000 864 01 Mar 2025 Common Stock 431 Direct F4, F7
transaction IRM Restricted Stock Units Award $0 +3,219 $0.000000 3,219 01 Mar 2025 Common Stock 3,219 Direct F4, F8
* 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 full vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 1, 2022.
F2 This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 1, 2023.
F3 This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 1, 2024.
F4 Each restricted stock units ("RSUs") represents a contingent right to receive one share of Common Stock.
F5 The RSU, representing a contingent right to receive a total of 3,221 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, representing a contingent right to receive a total of 4,374 shares of Common Stock, were granted to the Reporting Person on March 1, 2023 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.
F7 The RSU, representing a contingent right to receive a total of 1,295 shares of Common Stock, were granted to the Reporting Person on March 1, 2024 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.
F8 The RSU, representing a contingent right to receive a total of 3,219 shares of Common Stock, were granted to the Reporting Person on March 1, 2025 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.