Form 8-K
8-K — IRON MOUNTAIN INC
Accession: 0001020569-26-000055
Filed: 2026-05-12
Period: 2026-05-07
CIK: 0001020569
SIC: 6798 (REAL ESTATE INVESTMENT TRUSTS)
Item: Submission of Matters to a Vote of Security Holders
Item: Other Events
Item: Financial Statements and Exhibits
Documents
8-K — irm-20260507.htm (Primary)
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8-K
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 8-K
CURRENT REPORT PURSUANT
TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported): May 7, 2026
IRON MOUNTAIN INCORPORATED
(Exact Name of Registrant as Specified in Its Charter)
Delaware
(State or Other Jurisdiction of Incorporation)
1-13045 23-2588479
(Commission File Number) (IRS Employer Identification No.)
85 New Hampshire Avenue, Suite 150, Portsmouth, New Hampshire
(Address of Principal Executive Offices)
03801
(Zip Code)
(617) 535-4766
(Registrant’s Telephone Number, Including Area Code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities Registered Pursuant to Section 12(b) of the Act:
Title of Each Class Trading Symbol(s) Name Of Each Exchange On Which Registered
Common Stock, $.01 par value per share IRM New York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 5.07. Submission of Matters to a Vote of Security Holders.
The Annual Meeting of Stockholders of Iron Mountain Incorporated (the "Company") was held on May 7, 2026 (the "Annual Meeting"). At the Annual Meeting, the Company’s stockholders elected eleven directors, each for a one-year term of office to serve until the Company’s 2027 Annual Meeting of Stockholders, or until their successors are elected and qualified. The nominated directors received the following votes:
Name For Against Abstain Broker Non-Vote
Jennifer Allerton
228,147,317 3,714,104 258,469 29,485,212
Pamela M. Arway
224,276,516 7,584,348 259,026 29,485,212
Kent P. Dauten
222,084,314 9,771,888 263,688 29,485,212
June Yee Felix
231,457,579 403,644 258,667 29,485,212
Monte Ford
229,673,232 2,176,206 270,452 29,485,212
Christie Kelly
230,740,183 1,119,691 260,016 29,485,212
Robin L. Matlock
228,348,027 3,510,121 261,742 29,485,212
William L. Meaney
230,355,967 1,518,355 245,568 29,485,212
Walter C. Rakowich
221,243,149 10,628,182 248,559 29,485,212
Theodore R. Samuels 223,196,685 8,663,281 259,924 29,485,212
Doyle R. Simons
230,922,536 935,130 262,224 29,485,212
At the Annual Meeting, the Company’s stockholders approved a non-binding advisory resolution on the compensation paid to the Company’s named executive officers as disclosed pursuant to Item 402 of Regulation S-K in the Proxy Statement. This proposal received the following votes:
For Against Abstain Broker Non-Vote
223,486,130
7,742,108
891,652 29,485,212
At the Annual Meeting, the Company’s stockholders ratified the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026. This proposal received the following votes:
For Against Abstain
249,250,207
11,947,700
407,195
The results reported above are final voting results.
Item 8.01. Other Events.
Committee Appointments
On May 7, 2026, upon recommendation from the Company’s Nominating and Governance Committee, the Board of Directors approved the appointment of the following members of the Company’s Audit, Compensation and Nominating and Governance Committees, effective at the conclusion of the Annual Meeting on May 7, 2026, and subject to their re-election at the Annual Meeting:
Audit Committee
Walter C. Rakowich, Chair
Jennifer Allerton
Kent P. Dauten
June Yee Felix
Christie Kelly
Compensation Committee
Robin L. Matlock, Chair
Pamela M. Arway
Monte Ford
Doyle R. Simons
Nominating and Governance Committee
Theodore R. Samuels, Chair
Pamela M. Arway
Kent P. Dauten
Walter C. Rakowich
The Company also has a Finance Committee and a Risk and Safety Committee, neither of which are required by the rules of the New York Stock Exchange. On May 7, 2026, the Board of Directors, upon recommendation from the Nominating and Governance Committee, approved the appointment of the following members to these committees, effective at the conclusion of the Annual Meeting on May 7, 2026, and subject to their re-election at the Annual Meeting:
Finance Committee
Doyle R. Simons, Chair
Kent P. Dauten
Christie Kelly
Walter C. Rakowich
Theodore R. Samuels
Risk and Safety Committee
Monte Ford, Chair
Jennifer Allerton
June Yee Felix
Robin L. Matlock
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits
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104 The cover page from this Current Report on Form 8-K, formatted as Inline XBRL.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
IRON MOUNTAIN INCORPORATED
By: /s/ Michelle Altamura
Name: Michelle Altamura
Title: Executive Vice President, General Counsel and Secretary
Date: May 12, 2026
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Entity File Number
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Entity Tax Identification Number
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Entity Address, Address Line One
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