Every Form 4 that Iron Mountain Inc. (IRM) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow IRM and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full IRM filings page.
Bhargava Mithu reported acquisition or exercise transactions in this Form 4 filing.
Iron Mountain Incorporated executive Mithu Bhargava received final performance-based equity awards. The Form 4 shows two grants of Performance Units, one for 37,085 units and another for 43,652 units, each representing a contingent right to receive one share of common stock at no cash cost.
The awards relate to grants originally made in 2023, with the Compensation Committee determining the actual number of units earned effective February 16, 2026 after completion of the performance period. According to the footnotes, these Performance Units will fully vest on March 1, 2026, aligning Bhargava’s compensation with longer-term performance.
Hytinen Barry reported acquisition or exercise transactions in this Form 4 filing.
Iron Mountain Incorporated’s EVP and CFO Barry Hytinen reported an equity compensation award of 166,412 Performance Units, each representing a contingent right to one share of common stock. The award reflects the Compensation Committee’s determination of his actual PUs earned and will fully vest on March 1, 2026.
Iron Mountain Incorporated director Robin Matlock converted 10.189 Phantom Stock units into the same number of shares of Common Stock on January 21, 2026 under the company’s Directors Deferred Compensation Plan. The conversion price was reported as $0 per share, reflecting settlement of previously accrued phantom stock rather than an open‑market purchase. Following this transaction, Matlock directly beneficially owns 28,559.189 shares of Iron Mountain common stock.
Iron Mountain Incorporated director Doyle R. Simons reported acquiring additional deferred equity-based compensation. On January 6, 2026, he received 459.793 units of phantom stock at a weighted average price of $84.625 per unit under the company’s Directors Deferred Compensation Plan. After this transaction, he beneficially owns 45,494.246 phantom stock units in total.
Each phantom stock unit is economically equivalent to one share of Iron Mountain common stock and will be paid out in common shares following Simons’ disability or when his board service ends. The new units also reflect dividends on common stock as if those dividends were reinvested in additional phantom stock.
Iron Mountain Incorporated director Theodore R. Samuels II reported additional deferred equity-based compensation in the form of phantom stock units. On January 6, 2026, he acquired 425.125 phantom stock units at a weighted average price of $85.269 per unit and 107.445 phantom stock units at a weighted average price of $84.625 per unit. These entries reflect his quarterly cash board fees and dividends on common stock treated as if reinvested into phantom stock under the company’s Directors Deferred Compensation Plan. Each phantom stock unit is economically equivalent to one share of Iron Mountain common stock and will be settled in common shares after his disability or when his board service ends, bringing his reported phantom stock balance to 11,056.26 units held directly.
Iron Mountain Incorporated director Robin Matlock reported acquiring 10.189 phantom stock units on January 6, 2026 under the company’s Directors Deferred Compensation Plan. Each phantom share is economically equivalent to one share of Iron Mountain common stock and will be paid out in common shares on dates chosen by the director or as otherwise provided in the plan.
The 10.189 phantom shares reflect dividend equivalents, treating dividends on common stock as if they were reinvested into additional phantom shares. The weighted average reference price for this transaction was $84.625 per share, based on multiple trades between $84.304 and $84.979. Following this transaction, Matlock beneficially owns 10.189 phantom stock units directly.
Iron Mountain Incorporated director reports stock conversion under a deferred compensation plan. On 01/02/2026, the reporting person acquired 998 shares of Iron Mountain common stock at a price of $0 per share through the exercise of phantom stock units. After this transaction, the reporting person beneficially owned 28,549 shares of common stock in direct form.
The derivative position in 998 phantom stock units was reduced to zero as they were settled in common stock. Each phantom share was economically equivalent to one share of common stock, and settlement occurs in stock under the company’s Directors Deferred Compensation Plan, according to the reporting person’s elections and plan terms.
Iron Mountain Incorporated executive leadership reported a planned stock sale. The company’s EVP, GM Data Centers & ALM sold 6,000 shares of common stock on 01/02/2026 at a price of $83.1 per share. After this transaction, the executive directly owns 55,081 shares of Iron Mountain common stock.
The sale was executed under a pre-arranged Rule 10b5-1 trading plan that the reporting person adopted on March 20, 2025. Such plans allow insiders to systematically sell shares according to set instructions, helping separate personal trading decisions from day-to-day corporate developments.
Iron Mountain Inc. executive reports RSU vesting and share transactions. On 01/02/2026, an officer of Iron Mountain Inc. (EVP, CHRO) exercised 1,909 restricted stock units into 1,909 shares of common stock at an exercise price of $0. On the same date, 944 shares of common stock were disposed of at a price of $83.24 per share, leaving 965 shares of common stock beneficially owned directly after these transactions. The derivative table shows 1,909 RSUs converting into common stock and 3,819 derivative securities (RSUs) remaining beneficially owned. These RSUs were part of a grant covering 5,728 shares of common stock awarded on January 2, 2025, scheduled to vest in three substantially equal annual installments starting on the first anniversary of the grant date.
Iron Mountain Incorporated executive reports RSU vesting and tax share withholding. The company’s EVP, General Counsel and Secretary reported the partial vesting of restricted stock units previously granted on January 2, 2024. On January 2, 2026, 1,214 shares of common stock were acquired at an exercise price of $0 upon conversion of RSUs. On the same date, 469 shares of common stock were disposed of at $83.24 per share, described as a transaction with code “F,” which typically reflects shares withheld to cover taxes.
Following these transactions, the executive beneficially owns 5,752 shares of Iron Mountain common stock directly, along with 1,214 RSUs. The RSU award originally covered 3,642 shares of common stock and vests in three substantially equal annual installments beginning on the first anniversary of the January 2, 2024 grant date.
Iron Mountain Incorporated’s President and CEO William Meaney reported an option exercise and related stock sales. On 01/02/2026, he exercised an employee stock option to acquire 38,482 shares of common stock at an exercise price of $37 per share. That same day, he sold 25,809 shares at a weighted average price of $82.988 and 12,673 shares at a weighted average price of $83.545, both under transaction code “S” for sale.
The filing states these trades were made under a Rule 10b5-1 trading plan adopted on March 14, 2025. Following the transactions, Meaney reported no directly held common stock, but disclosed indirect ownership of 82,970 shares through the Meaney 2024 Master Trust and 212,680 shares through Meaney Master Trust #2, as well as 423,214 employee stock options remaining beneficially owned.
Iron Mountain Incorporated (IRM) executive Mark Kidd reported a stock sale under a pre-set trading plan. On 12/01/2025, he sold 6,000 shares of Iron Mountain common stock at a price of $85 per share in an open market transaction coded as "S" (sale). After this transaction, he beneficially owned 61,081 shares, all listed as directly held. The filing notes that the sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 20, 2025, which is designed to allow pre-arranged trades under specified conditions.
Iron Mountain Incorporated President and CEO, and director, William Meaney reported an option exercise and share sales in company stock. On 12/01/2025, he exercised an employee stock option to acquire 69,125 shares of common stock at an exercise price of $36.588 per share. That same day, he sold 58,556 shares at a weighted average price of $83.229 per share and an additional 10,569 shares at a weighted average price of $83.934 per share under a pre-arranged Rule 10b5-1 trading plan adopted on August 18, 2023. After these transactions, he reported 0 shares held directly, and indirect holdings of 82,970 shares through the Meaney 2024 Master Trust and 212,680 shares through Meaney Master Trust #2. The exercised option, initially covering 829,506 shares, is fully vested and now shows 0 derivative securities remaining.
Iron Mountain Incorporated (IRM) director Christie Kelly reported a small open-market purchase of company stock. On 11/19/2025, Kelly bought 33 shares of Iron Mountain common stock at a price of $89.52 per share, coded as a “P” transaction, which indicates a purchase. Following this transaction, Kelly beneficially owned 1,308 shares held directly. This is a routine insider ownership update that shows a modest increase in the director’s personal stake in Iron Mountain.
Iron Mountain (IRM) President and CEO William Meaney reported insider transactions. On November 3, 2025, he exercised 69,125 employee stock options at $36.588 per share pursuant to a Rule 10b5-1 trading plan adopted on August 18, 2023.
The exercised shares were then sold in multiple transactions at weighted-average prices: 22,619 shares at $102.02, 35,678 shares at $102.922, and 10,828 shares at $103.689. After the reported sales, direct common stock holdings were 0 shares. An additional 295,650 shares were reported as indirectly held by a Grantor Retained Annuity Trust. The option exercised ties to a grant with an expiration date of February 18, 2026.
Iron Mountain (IRM) reported insider activity. EVP, GM Data Centers & ALM Mark Kidd sold 6,000 shares of Common Stock at $102.51 per share on 11/03/2025, coded as an open-market sale (S).
Following the transaction, Kidd beneficially owned 67,081 shares, held directly. The filing notes the trade was made under a Rule 10b5-1 trading plan adopted on March 20, 2025.
Iron Mountain (IRM) Form 4: EVP, GM Data Centers & ALM Mark Kidd exercised employee stock options and sold shares on 10/31/2025 under a Rule 10b5-1 plan. He exercised 7,306 options at $31.46 per share (code M) and sold 7,306 common shares at an average price of $100.82 (code S). Following these transactions, he directly owns 73,081 common shares. The reported option covered 7,306 underlying shares, was fully vested, carried a $31.46 exercise price, and shows 0 remaining after the exercise; its expiration date is 03/09/2026.
Iron Mountain (IRM) reported an insider equity award. A director acquired 1,275 shares of common stock on 10/21/2025 via settlement of restricted stock units. The RSUs were granted on the same date and vested in full on the grant date. The transaction was coded “A” and carried a price of $0 per share. Following the transaction, beneficial ownership stands at 1,275 shares held directly.
Iron Mountain director reported acquisition of phantom stock tied to director compensation and deferred plan. The Form 4 shows that Doyle R. Simons, a director, acquired 333.553 Phantom Shares on 10/03/2025 at a weighted average equivalent price of $104.422 and an additional 331.138 Phantom Shares on 10/03/2025 at a weighted average equivalent price of $105.7. Each Phantom Share is the economic equivalent of one share of common stock and will be payable in shares upon the reporting person’s disability or cessation of director service under the Directors Deferred Compensation Plan. After these entries the filing shows beneficial ownership figures of 44,703.315 and 45,034.453 common shares following the respective transactions. The Form 4 was signed under power of attorney on 10/07/2025.
Theodore R. Samuels II, a director of Iron Mountain Incorporated (IRM), reported purchases of phantom stock under the company’s directors deferred compensation plan on 10/03/2025. Two issuances of Phantom Stock were recorded: 76.052 phantom shares (reflecting dividend reinvestment) at a weighted-average underlying price of $104.422, and 331.138 phantom shares (reflecting quarterly cash compensation reinvested) at a weighted-average underlying price of $105.7. After these transactions the reported beneficial ownership totals were 10,192.552 and 10,523.69 common-stock-equivalent shares, respectively. The Phantom Shares will convert to common stock upon the reporting person’s disability or cessation of director service.
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.