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.
IRON MOUNTAIN INC (IRM) reported that President and CEO William L. Meaney exercised stock options to acquire 38,474 shares of common stock at an exercise price of $37.00 per share on September 1, 2026, and sold the same number of shares in a series of transactions made pursuant to a Rule 10b5-1 trading plan adopted on March 14, 2025. Following the option exercise, he continues to hold 115,422 options directly, and has indirect ownership of 82,970 shares through the Meaney 2024 Master Trust and 212,680 shares through Meaney Master Trust #2.
IRON MOUNTAIN INC (IRM) executive Greg W. McIntosh, EVP and Chief Commercial Officer, reported selling 5,000 shares of common stock on September 1, 2026 at $115.60 per share in an open-market or private transaction. After this sale, he directly holds 75,634 shares, and the trade was made under a Rule 10b5-1 trading plan adopted on May 8, 2026.
IRON MOUNTAIN INC (IRM) executive Mark Kidd, EVP, GM Data Centers & ALM, reported selling 6,000 shares of common stock on September 1, 2026 at $115.60 per share in an open-market or private transaction. The sale was made under a Rule 10b5-1 trading plan adopted on March 20, 2025, and he now holds 95,507 shares directly.
Iron Mountain Inc. President and CEO William L. Meaney exercised employee stock options for 38,474 shares of common stock at an exercise price of $37.00 per share and, on the same date, sold 38,474 shares in multiple open-market transactions at weighted average prices between $120.56 and $123.12. The option exercised was part of a grant that is fully vested and left 153,896 options remaining. Meaney also reports indirect ownership of 82,970 shares held by Meaney 2024 Master Trust and 212,680 shares held by Meaney Master Trust #2. All reported trades were made pursuant to a Rule 10b5-1 trading plan adopted on March 14, 2025.
IRON MOUNTAIN INC executive Mark Kidd, EVP and GM of Data Centers & ALM, reported selling 6,000 shares of common stock on August 7, 2026 at $122.70 per share. The sale was executed under a Rule 10b5-1 trading plan adopted on March 20, 2025. Following this transaction, Kidd directly holds 101,507 shares of IRON MOUNTAIN INC common stock.
IRON MOUNTAIN INC executive Greg W. McIntosh, EVP and Chief Commercial Officer, reported exercising 6,839 employee stock options at an exercise price of $37.0000 per share and receiving an equal number of common shares. On the same date, he reported open-market sales totaling 11,839 common shares at $127.1300 per share. These transactions were made pursuant to a Rule 10b5-1 trading plan adopted on May 8, 2026.
IRON MOUNTAIN INC director Doyle Simons reported a routine compensation-related grant of phantom stock. He acquired 339.3600 phantom stock units at an assigned value of $116.7900 per unit, bringing his total phantom stock holdings to 46,213.2960 units held directly.
These phantom shares are part of Iron Mountain’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 Simons’ disability or when he stops serving as a director, including credit for reinvested dividends.
Samuels Theodore R. II reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Theodore R. Samuels II received a grant of 99.06 units of phantom stock at a reference value of $116.79 per unit under the company’s Directors Deferred Compensation Plan. This increased his phantom stock balance to 13,800.33 units, each economically equivalent to one share of common stock and payable in stock after disability or when he ceases serving as a director. The award also reflects dividends on common stock as if reinvested in additional phantom shares.
Samuels Theodore R. II reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Theodore R. Samuels II received a grant of 310.86 units of Phantom Stock as board compensation. The award is part of the company’s Directors Deferred Compensation Plan and is economically equivalent to the same number of shares of common stock.
The Phantom Shares will be settled in Iron Mountain common stock after his disability or when his service as a director ends. Following this grant, his Phantom Stock balance reported in this plan totals 13,701.27 units, reflecting ongoing reinvestment of his quarterly cash board compensation.
Iron Mountain Inc. President and CEO William L. Meaney exercised employee stock options to acquire 38,474 shares of common stock at $37.00 per share and, on the same date, sold 38,474 shares in open-market transactions at weighted average prices ranging from about $121.81 to $125.82. These transactions were carried out pursuant to a Rule 10b5-1 trading plan adopted on March 14, 2025. Meaney also reports indirect holdings of 212,680 shares through Meaney Master Trust #2 and 82,970 shares through the Meaney 2024 Master Trust.
Iron Mountain Inc. executive Mark Kidd reported an open-market sale of 6,000 shares of common stock. The shares were sold at a price of $125.62 per share. After this transaction, Kidd directly holds 107,507 Iron Mountain shares. The filing notes that the trade was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 20, 2025, indicating it was scheduled in advance rather than timed discretionarily.
Iron Mountain Inc.’s President and CEO William L. Meaney exercised employee stock options to acquire 38,474 shares of common stock at a conversion price of $37.00 per share. On the same date, he sold 38,474 common shares in multiple open‑market transactions at prices reported around $126.20–$129.66, pursuant to a pre‑arranged Rule 10b5-1 trading plan adopted on March 14, 2025. Separate from these trades, indirect holdings reported for trusts associated with Meaney totaled 212,680 shares and 82,970 shares of common stock.
Iron Mountain Inc. executive vice president Mark Kidd reported an open-market sale of 6,000 shares of common stock at $126.70 per share. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. After this sale, he directly holds 113,507 Iron Mountain shares.
IRON MOUNTAIN INC senior vice president and chief accounting officer Daniel Borges reported an open-market sale of 7,189 shares of common stock at $125.50 per share. The transaction on May 21, 2026 reduced his directly held common shares to zero. According to a footnote, the sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on February 19, 2026, indicating the trade was scheduled in advance rather than timed discretionarily.
IRON MOUNTAIN INC director Walter C. Rakowich reported an open-market sale of 757 shares of common stock at $124.45 per share. The transaction occurred on May 20, 2026 and was executed under a Rule 10b5-1 trading plan adopted on June 12, 2024.
After the sale, he held 1,135 shares directly and 23,865 shares indirectly through the Rakowich Living Trust, where he is the sole trustee. This filing reflects a relatively small, pre-planned sale compared with his total reported holdings.
IRON MOUNTAIN INC director Pamela M. Arway sold shares in a planned transaction. She completed an open-market sale of 1,892 shares of common stock at $128.97 per share and now holds 40,196 shares directly. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on September 8, 2025, indicating it was scheduled in advance rather than timed discretionarily.
Iron Mountain Inc. President and CEO William Meaney reported option exercises and share sales in the company’s common stock. On May 8, 2026, he exercised 38,474 employee stock options at $37.00 per share and then sold a total of 38,474 shares in open-market transactions at weighted average prices of $128.52 and $129.19, leaving 23,598 shares held directly. Following the derivative transaction, he still held 269,318 employee stock options. Separately, trusts associated with Meaney held 212,680 and 82,970 shares indirectly. The filing notes the transactions were conducted under a pre-arranged Rule 10b5-1 trading plan adopted in March 2025.
IRON MOUNTAIN INC executive Mark Kidd, EVP and GM of Data Centers & ALM, sold 6,000 shares of common stock in an open-market transaction. The shares were sold at an average price of $127.91 per share. After this sale, he directly holds 119,507 shares of IRON MOUNTAIN common stock. The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on March 20, 2025, indicating it was scheduled in advance rather than timed discretionarily.
Samuels Theodore R. II reported acquisition or exercise transactions in this Form 4 filing.
Iron Mountain Inc. director Theodore R. Samuels II received a compensation grant of 1,892 Phantom Stock units on May 7, 2026. These units are tied to an equal number of shares of Iron Mountain common stock and represent deferred director compensation.
Under the company’s Directors Deferred Compensation Plan, the Phantom Shares will be paid out in common stock after his disability or when he stops serving as a director. Following this grant, his total Phantom Stock balance is 13,390.41 units, all held as direct ownership.
FORD MONTE E reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Monte E. Ford received an equity grant of 1,892 shares of common stock through restricted stock units. These RSUs were granted on May 7, 2026 and vest in full on the grant date, meaning they settle into shares immediately.
Following this award, Ford holds a total of 31,817 shares of Iron Mountain common stock directly. This is a compensation-related grant rather than an open-market purchase or sale.
Felix June Yee reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Felix June Yee reported receiving a grant of 1,892 shares of common stock in the form of restricted stock units. According to the filing, these RSUs vest in full on the grant date, effectively delivering the shares immediately as equity compensation. Following this award, Yee directly holds 4,883 shares of Iron Mountain common stock.
DAUTEN KENT P reported acquisition or exercise transactions in this Form 4 filing.
Iron Mountain Inc. director Kent P. Dauten received an equity award of 1,892 shares of common stock on May 7, 2026. The shares were issued through restricted stock units that vested in full on the grant date, bringing his direct holdings to 1,209,573 shares of Iron Mountain common stock.
Matlock Robin reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Robin Matlock received a stock-based award of 1,892 common shares on May 7, 2026. The shares were granted as restricted stock units that vested in full on the grant date, effectively delivering the shares immediately at no cash cost. Following this grant, Matlock’s directly held position increased to 30,451.189 common shares, reflecting routine equity compensation rather than an open-market purchase or sale.
Simons Doyle reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Doyle Simons reported new equity-based compensation and deferred awards. He received a grant of 1,892 shares of common stock on May 7, 2026, tied to restricted stock units that vested in full on the grant date. He also holds phantom stock units economically equivalent to 45,873.936 shares of common stock under the Directors Deferred Compensation Plan, which will be paid out in common stock after his disability or when he stops serving as a director.
RAKOWICH WALTER C reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Walter C. Rakowich reported an equity award and updated holdings. On May 7, 2026, he received 1,892 shares of common stock through restricted stock units that vested in full on the grant date, recorded as a compensation-related grant with no cash price per share.
After this award, he directly holds 1,892 common shares and indirectly holds 23,865 shares through the Rakowich Living Trust, where he is the sole trustee. The filing shows no open-market purchases or sales, only this grant and the trust holding entry.
Kelly Christie B. reported acquisition or exercise transactions in this Form 4 filing.
IRON MOUNTAIN INC director Kelly Christie B. received an equity grant on May 7, 2026. The filing reports an award of 1,892 shares of common stock, delivered as restricted stock units that vested in full on the grant date at no cash cost per share.
After this grant and related dividend accruals, Christie directly holds 3,211.061 shares of IRON MOUNTAIN common stock. This total includes 11.061 additional shares credited for dividend reinvestment since the last reported transaction, which are treated as exempt under Rule 16a-11.
IRON MOUNTAIN INC director Jennifer Allerton reported routine equity compensation activity. She received a grant of 1,892 shares of common stock as restricted stock units that vest in full on the May 7, 2026 grant date. In connection with the net settlement of these RSUs, 133 shares were withheld by the company to cover income tax obligations, which the filing states does not represent a sale. After these transactions, she directly holds 13,300 shares of IRON MOUNTAIN INC common stock.
IRON MOUNTAIN INC director Pamela M. Arway received a share-based award. On May 7, 2026, she acquired 1,892 shares of common stock through the settlement of restricted stock units granted on that date at a stated price of $0.00 per share.
The footnote explains these shares are issuable upon settlement of RSUs that vest in full on the grant date, meaning the award became fully vested immediately. After this grant, Arway directly holds a total of 42,088 common shares, giving context to the size of this compensation-related transaction.
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.
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.
Iron Mountain Inc. executive Mark Kidd, EVP and GM of Data Centers & ALM, reported an open-market sale of 6,000 shares of Common Stock at $102.71 per share. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 20, 2025.
After this sale, Kidd directly holds 125,507 Iron Mountain shares, indicating he retains a substantial equity position in the company while managing liquidity through a scheduled trading plan.
Iron Mountain Inc EVP Mithu Bhargava reported open-market sales of 59,725 shares of common stock on March 19, 2026. The shares were sold in multiple transactions at weighted-average prices generally between $103.62 and $105.56 per share. Following these sales, Bhargava directly owns 16,054 Iron Mountain shares. The filing notes that the transactions were executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 19, 2025, indicating the sales were scheduled in advance rather than timed discretionarily.
IRON MOUNTAIN INC President and CEO William L. Meaney reported selling a total of 98,657 shares of common stock in open-market transactions on March 5, 2026. The sales were executed in three tranches at weighted average prices of $105.26, $106.15, and $107.02, with each tranche consisting of multiple trades within stated price ranges. According to the filing, these transactions were made under a Rule 10b5-1 trading plan adopted on March 14, 2025.
Following the sales, his direct ownership fell to zero in the reported accounts, while indirect holdings are listed as 82,970 shares held by the Meaney 2024 Master Trust and 212,680 shares held by Meaney Master Trust #2.
IRON MOUNTAIN INC President and CEO William L. Meaney reported open-market sales of 197,318 shares of common stock in multiple transactions on 2026-03-03 and 2026-03-04. The trades are reported at weighted average prices generally around $105–$108 per share.
The filing states these sales were made under a Rule 10b5-1 trading plan adopted on March 14, 2025. After the reported activity, Meaney continues to hold Iron Mountain shares both directly and indirectly through the Meaney 2024 Master Trust and Meaney Master Trust #2, which report holdings of 82,970 and 212,680 shares, respectively.
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.
Iron Mountain President and CEO William Meaney exercised employee stock options for 38,474 shares at $37 per share and on the same day sold 38,474 common shares at an average price of $108.17 per share under a Rule 10b5-1 trading plan adopted on March 14, 2025. Following these transactions, he continues to have indirect ownership of 82,970 shares through the Meaney 2024 Master Trust and 212,680 shares through the Meaney Master Trust #2.
Iron Mountain Inc. executive Mark Kidd reported an open-market sale of company stock. As EVP, GM Data Centers & ALM, he sold 6,000 shares of common stock at a price of $108.17 per share on February 20, 2026, in a planned transaction under a Rule 10b5-1 trading plan adopted on March 20, 2025. After this sale, he directly owns 49,081 Iron Mountain shares.
Iron Mountain president and CEO William L. Meaney acquired 464,767 Performance Units through an equity award. Each Performance Unit represents a contingent right to receive one share of Iron Mountain common stock. This award reflects the Compensation Committee’s determination, effective February 16, 2026, of the final number of units earned from a grant initially made on March 1, 2023.
The Performance Units will fully vest on March 1, 2026, aligning the CEO’s compensation with longer-term company performance. Following this determination, Meaney directly holds 650,674 Performance Units in total.
McIntosh Greg W reported acquisition or exercise transactions in this Form 4 filing.
Iron Mountain Inc. executive Greg W. McIntosh, EVP, CCO & GM, Global RM, reported an equity award tied to prior performance. On February 16, 2026, the Compensation Committee determined an actual award of 87,960 Performance Units from a grant originally made on March 1, 2023.
Each Performance Unit represents a contingent right to receive one share of Iron Mountain common stock, with these units scheduled to fully vest on March 1, 2026. Following this determination, McIntosh now holds 123,144 Performance Units directly, reflecting non-cash, performance-based compensation.
Iron Mountain Inc. executive Mark Kidd, EVP and GM of Data Centers & ALM, reported an acquisition of 106,977 Performance Units (PUs). Each PU represents a contingent right to receive one share of Iron Mountain common stock. These units relate to a grant initially made on March 1, 2023, with the award amount determined after completion of the performance period effective February 16, 2026. Following this award, Kidd holds 149,768 Performance Units directly, which are scheduled to fully vest on March 1, 2026.
Iron Mountain Incorporated senior executive equity award update. SVP & Chief Accounting Officer Daniel Borges reported an acquisition of 6,537 Performance Units, reflecting the Compensation Committee’s February 16, 2026 determination of the actual award under a March 1, 2023 grant. Each unit represents a contingent right to receive one share of common stock. After this award, Borges directly holds 9,152 Performance Units, which are scheduled to fully vest on March 1, 2026, subject to the grant’s terms.