Welcome to our dedicated page for Iron Mountain SEC filings (Ticker: IRM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Iron Mountain Incorporated filings document the regulatory record of an information management services company that operates as a REIT. Form 8-K reports furnish quarterly earnings releases, conference-call presentations and supplemental financial information covering storage rental revenue, service revenue, Adjusted EBITDA, AFFO and segment activity. Other event filings describe U.S. federal income tax considerations tied to REIT qualification and the acquisition, ownership and disposition of the company’s stock.
The filing record also covers governance and capital structure. Proxy materials address board and committee matters, executive compensation and equity-award disclosures. Material-event filings describe credit agreement amendments, incremental term loans, senior notes, revolving credit facility use, indenture terms and subsidiary-guarantor arrangements.
Issuer filed a Form 144 notice reporting an intended sale of 6,000 shares of Common Stock through Fidelity Brokerage Services LLC. The filing lists a trade date of 05/08/2026 and records three prior 6,000-share dispositions on 02/20/2026, 03/02/2026, and 04/01/2026 with corresponding dollar amounts.
Cohen & Steers, Inc. amended a Schedule 13G reporting beneficial ownership of Iron Mountain, Inc. common stock. The filing states 14,555,629 shares beneficially owned, representing 4.89% of the class, with 11,657,422 shares of sole voting power and 14,555,629 shares of sole dispositive power. The filing lists related entities and principal addresses and is signed by compliance officers.
IRON MOUNTAIN INC director Walter C. Rakowich, through the Rakowich Living Trust, reported a bona fide gift of 1,600 shares of Iron Mountain common stock on May 1, 2026. The shares were transferred at a reported price of $0.00 per share, consistent with a gift transaction.
After this disposition, the Rakowich Living Trust, for which he is the sole trustee, continues to hold 23,865 shares indirectly. This filing reflects a non-market, charitable or personal transfer rather than an open-market sale or purchase.
Iron Mountain Incorporated reported strong first‑quarter 2026 growth. Total revenue rose to $1.94 billion, up 21.6% from $1.59 billion, driven by higher storage rental and a 30.6% jump in service revenue, including expansion in digital solutions and asset lifecycle management.
Profitability improved sharply. Net income increased to $149.0 million from $16.2 million, with diluted EPS up to $0.48 from $0.05. Adjusted EBITDA climbed to $707.9 million, a 22.1% increase, keeping margins near 36.6%.
The Global RIM and Global Data Center businesses both delivered double‑digit revenue gains, supported by data center lease commencements and pricing. Iron Mountain invested $518.0 million of cash in capital expenditures, mainly data center growth, funded with $338.6 million of operating cash flow and access to $17.10 billion in long‑term debt. As a REIT, the company continued returning capital through dividends of $0.864 per share declared for stockholders of record as of June 15, 2026.
Iron Mountain Inc ownership filing shows Vanguard Capital Management reports beneficial ownership of 21,872,303 shares of Common Stock, representing 7.35% of the class. The filing states Vanguard has sole dispositive power over 21,872,303 shares and sole voting power over 3,113,414 shares. The schedule notes these holdings include securities managed for Vanguard funds and affiliated business divisions and that Vanguard entities have the right to receive dividends or proceeds on behalf of managed accounts.
Iron Mountain Incorporated reported record first-quarter 2026 results with broad-based strength. Total revenue reached $1.94 billion, up 21.6% year over year, with storage rental revenue of $1.10 billion and service revenue of $841 million. Net income jumped to $149 million from $16 million, while Adjusted EBITDA rose 22.1% to $708 million and AFFO increased 22% to $426 million, or $1.43 per share.
The company highlighted strong growth in data center, digital and asset lifecycle management, and organic revenue growth of 17.2%. Reflecting this momentum, Iron Mountain raised its full-year 2026 guidance, now targeting revenue of $7.83–$7.93 billion, Adjusted EBITDA of $2.93–$2.97 billion and AFFO of $1.74–$1.76 billion, and declared a quarterly dividend of $0.864 per share.
Iron Mountain Inc ownership disclosure: Vanguard Portfolio Management reports beneficial ownership of 25,051,135 shares of Common Stock, representing 8.42% of the class. The filing shows sole dispositive power over 25,051,135 shares and sole voting power for 35,578 shares. The statement is signed on 04/29/2026.
Simons Doyle reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Simons Doyle reported an award of 379.69 units of Phantom Stock on Common Stock, treated as a grant under the company’s Directors Deferred Compensation Plan. Each phantom share is economically equivalent to one share of common stock and will be settled in common shares after disability or when board service ends.
Following this award and related dividend-equivalent credits, the director now holds 45,873.936 phantom shares. The price used for the award is a weighted average of $103.52 per share, based on multiple transactions in a range from $103.45 to $103.54.
IRON MOUNTAIN INC director Theodore R. Samuels II reported awards of phantom stock under the company’s Directors Deferred Compensation Plan. He acquired 349.88 phantom shares based on quarterly cash board compensation and 92.27 phantom shares from dividends reinvested, all economically equivalent to common stock and payable in Iron Mountain common shares after disability or when his board service ends. Following these awards, his phantom stock balance rose to 11,498.41 units, reflecting routine, compensation-related accruals rather than open-market trading.
IRON MOUNTAIN INC President and CEO William L. Meaney exercised stock options and sold the resulting shares. He exercised options for 38,474 shares of common stock at $37.00 per share, then sold 38,474 shares in an open-market transaction at an average price of $102.71 per share. The transaction was made under a pre-arranged Rule 10b5-1 trading plan adopted on March 14, 2025. Following these transactions, filings show indirect holdings of 82,970 shares through the Meaney 2024 Master Trust and 212,680 shares through Meaney Master Trust #2, along with 307,792 stock options remaining from an option grant that was initially for 461,696 shares and is fully vested.