Iron Mountain SEC Filings

Robin Matlock, a director of Iron Mountain Incorporated (IRM), reported a transaction dated 10/03/2025 under a director deferred compensation arrangement. The filing shows 7.446 phantom stock units were acquired and are economically equivalent to common shares that will be payable in stock per the plan. The report lists a weighted average price of $104.422, with underlying purchase prices in the range $104.349 to $104.524. Following the transaction the Reporting Person beneficially owned 998 shares of common stock directly. The filing was signed under power of attorney on 10/07/2025.

William L. Meaney, President and CEO and a director of Iron Mountain Incorporated (IRM), reported a series of transactions dated 10/01/2025 on a Form 4. The filing shows an exercise of employee stock options creating 69,125 shares at an exercise price of $36.588. The report also discloses sales of 29,063 shares at a weighted average of $101.985 and 40,062 shares at a weighted average of $102.599. Separately, 295,650 shares are reported as indirectly owned via a Grantor Retained Annuity Trust (transferred 11/29/2024) and noted as exempt from Section 16. The filing states the related stock option award is fully vested and represents rights to purchase a total of 829,506 shares.

Mark Kidd, an officer and director at Iron Mountain Inc. (IRM), reported a sale of 6,000 shares of the company's common stock on 10/01/2025 at a price of $101.63 per share. The Form 4 shows the sale was executed under a pre-established Rule 10b5-1 trading plan adopted on March 20, 2025. After the transaction, the reporting person beneficially owned 73,081 shares, held directly. The filing was signed under power of attorney on 10/03/2025. The form contains no derivative transactions or additional amendments.

Iron Mountain Inc. (IRM) filed a Form 144 reporting a proposed sale of 69,125 common shares through Fidelity Brokerage Services with an aggregate market value of $7,074,294.96, scheduled on 10/01/2025 on the NYSE. The filing states these shares were acquired by exercise of an option on the same date, citing an original grant date of 02/18/2016, and that payment will be made in cash. The notice also discloses three prior sales by the same person: 07/01/2025, 08/01/2025, and 09/02/2025, each of 69,125 shares, totaling 207,375 shares and gross proceeds of approximately $19,664,299.82. The filer affirms no undisclosed material adverse information and includes the required signature representations.

Form 144 notice for Iron Mountain Inc (IRM) records a proposed sale of 6,000 common shares via Fidelity Brokerage Services with an aggregate market value of $609,780 and an approximate sale date of 10/01/2025 on the NYSE. The shares were acquired by the seller on 03/01/2025 through restricted stock vesting and were granted as compensation. The filer reports total shares outstanding of 295,348,225. The filing also lists three prior sales by Mark Kidd during the past three months: 6,000 shares on 07/01/2025 for $612,120, 6,000 shares on 08/01/2025 for $583,200, and 6,000 shares on 09/02/2025 for $546,300. The notice includes the standard attestation that the seller does not possess undisclosed material adverse information.

Iron Mountain issued unsecured senior notes carrying a 4.750% annual coupon due January 15, 2034. The Notes were issued September 10, 2025, pay interest semi-annually on January 15 and July 15 beginning January 15, 2026, and accrue from September 10, 2025. They were sold only to qualified institutional buyers under Rule 144A and to non-U.S. persons under Regulation S and are not registered under the Securities Act. The Notes are jointly and severally guaranteed on an unsecured senior basis by the company’s principal U.S. subsidiaries, rank pari passu with other senior debt, are effectively subordinated to secured indebtedness and structurally subordinated to liabilities of non-guarantor subsidiaries. Redemption and repurchase provisions include make-whole and issuer call options, an equity-offering partial call prior to September 10, 2028, and potential change-of-control or asset-sale repurchase obligations.

Walter C. Rakowich, an Iron Mountain Inc. director, reported a transaction on 09/04/2025 in which 11,050 shares of IRM common stock were disposed of as a gift (price $0). After the transaction he is recorded as beneficially owning 25,465 shares indirectly through the Rakowich Living Trust, of which he is the sole trustee. The Form 4 was signed on behalf of Mr. Rakowich by Keely Stewart under a power of attorney on 09/08/2025.

William L. Meaney, President and CEO of Iron Mountain Inc. (IRM), reported stock option activity on Form 4. On 09/03/2025 he exercised options to acquire 69,125 shares at an exercise price of $36.588 per share under a Rule 10b5-1 trading plan adopted August 18, 2023, and concurrently sold 69,125 shares at $89.564 per share. Following these transactions Meaney directly beneficially owns 69,125 shares and indirectly owns 295,650 shares transferred to a Grantor Retained Annuity Trust (GRAT) on 11/29/2024 (that transfer is exempt under Rule 16a-13). The filing notes the option pool includes a fully vested option right to purchase 829,506 shares and shows 207,375 option shares remain held directly after the reported transactions.

Iron Mountain insider Mark Kidd sold 6,000 shares of IRM common stock at $91.05 per share under a pre-established trading plan. The Form 4 reports the sale occurred on 09/02/2025 pursuant to a Rule 10b5-1 plan adopted March 20, 2025. Following the sale, Mr. Kidd beneficially owns 79,081 shares, reported as direct ownership. The filing was signed under power of attorney on 09/03/2025. The disclosure indicates a routine, pre-planned disposition rather than an ad hoc trade.