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.
William L. Meaney reported proposed sales of common stock in a Form 144 notice. The filing lists multiple sale transactions by Mr. Meaney, including 38,482 shares on 01/02/2026 and 137,133 shares on 03/02/2026. The broker listed is Fidelity Brokerage Services LLC.
IRM affiliate filed a Form 144 reporting the proposed sale of 98,659 common shares. The notice cites these shares as resulting from 03/01/2026 restricted stock vesting tied to compensation. The filing also lists prior dispositions by the same affiliate totaling 314,748 common shares sold on 01/02/2026, 02/20/2026, 03/02/2026, and 03/03/2026.
Iron Mountain Inc.'s President and CEO William L. Meaney reported a mix of equity award vesting, option activity, and stock sales. He acquired 650,674 shares of common stock on March 1, 2026 through full vesting of previously granted performance units, with each performance unit representing one share of common stock, and 256,040 of those shares were withheld to cover income tax obligations rather than sold.
On March 1, 2026 he also received a grant of 74,069 employee stock options and exercised fully vested options representing 38,474 shares. On March 2, 2026 he sold an aggregate 137,133 shares of common stock in a series of open-market transactions at weighted-average prices between $106.65 and $110.81 per share under a Rule 10b5-1 trading plan adopted on March 14, 2025, and continued to hold a substantial direct and indirect stake afterward.
Iron Mountain Inc. executive Michelle Vervais Altamura, EVP, General Counsel and Secretary, reported several equity transactions dated March 1, 2026. The filing shows multiple tranches of restricted stock units (RSUs) vesting that were originally granted in 2023, 2024 and 2025, with each RSU representing a right to receive one share of common stock.
Upon vesting, corresponding shares of Iron Mountain common stock were issued to her. The company then withheld portions of these shares at a price of $108.33 per share to satisfy income tax withholding obligations related to the RSU net settlement, and the filing specifies that these withholdings do not represent open‑market sales.
Iron Mountain EVP Mithu Bhargava, head of the Digital Business Unit, reported multiple equity award vestings and related share movements on March 1, 2026. Performance units and restricted stock units converted into common stock, including blocks of 61,113 and 51,919 shares from performance units and several smaller RSU conversions.
The company withheld shares at $108.33 per share to cover income tax obligations tied to these vestings, which footnotes clarify do not represent open‑market sales. After all transactions, Bhargava directly owned 75,779 common shares, including 201 shares acquired through the employee stock purchase plan.
Iron Mountain senior vice president and chief accounting officer Daniel Borges reported multiple equity transactions tied to incentive awards. Performance units covering 9,152 shares fully vested and converted into common stock, and restricted stock units granted in 2023–2025 partially or fully vested, adding several hundred more shares. On the same date, he received a new grant of 1,104 restricted stock units that vest over three years. Shares totaling 3,106, 327, 212 and 184 were withheld at $108.33 per share to cover income tax obligations on these vestings, and are specifically described as not representing open‑market sales.
Iron Mountain EVP and CFO Barry Hytinen reported the vesting and net settlement of performance units into common stock. On March 1, 2026, 232,977 performance units granted on March 1, 2023 were fully vested and converted into the same number of Iron Mountain common shares, following the Compensation Committee’s award determination on February 16, 2026.
To cover income tax withholding on this vesting, 104,872 common shares were withheld by Iron Mountain at $108.33 per share, which the company notes does not represent a sale. After these transactions, Hytinen directly owned 326,623 shares of Iron Mountain common stock.
IRON MOUNTAIN INC executive Mark Kidd, EVP and GM of Data Centers & Asset Lifecycle Management, reported multiple equity transactions. On March 1, 2026, previously granted performance units fully vested and were exercised into 149,768 shares of common stock at a stated price of $0.0000 per share, reflecting the Compensation Committee’s award determination after the performance period.
To cover income tax withholding from this vesting, 61,342 common shares were withheld by Iron Mountain at a price of $108.33 per share, which the company specifies does not represent a sale. On March 2, 2026, Kidd executed an open-market sale of 6,000 common shares at $107.27 per share under a pre-established Rule 10b5‑1 trading plan adopted on March 20, 2025. After these transactions, he directly owns 131,507 common shares.
Iron Mountain's EVP and Chief Commercial Officer, Greg W. McIntosh, reported the vesting and settlement of performance-based equity awards. On March 1, 2026, he exercised 123,144 performance units into 123,144 shares of common stock at a stated price of $0.00 per share, reflecting full vesting of a March 1, 2023 grant after the performance period ended and the Compensation Committee approved the award.
To cover income tax withholding on this vesting, 55,617 shares of common stock were withheld by Iron Mountain at $108.33 per share in a tax-withholding disposition, which the company states does not represent a market sale. After these transactions, McIntosh directly owned 85,634 shares of Iron Mountain common stock.
IRON MOUNTAIN INC director Jennifer Allerton sold shares in an open-market trade. She sold 7,000 shares of common stock at a weighted average price of $108.88 per share, across multiple trades between $108.86 and $109.00. After this sale, she directly owns 11,541 shares.