Transaction · 0001566391-26-000008

Meaney William L

Meaney William L, PRES, reported an open-market or private sale at IRON MOUNTAIN INC involving 1824.000000 shares for an estimated $201807.36. Reported holdings after the transaction were 295975.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SPRES
IRMIRON MOUNTAIN INC
Filing timeMar 03
Trade dateMar 02, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$107.78
Pre-filing
1mo ago -14.5%1w ago +3.2%1d ago +0.5%
Returns since
7d -0.0%30d -4.2%90d +17.3%180d +8.9%1y +8.9%

IRM price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
IRM since 2026-03-03Filed 185 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001566391-26-000008
Common Stock, par value $.01 per share
Transaction date
Mar 02, 2026
Filed Mar 03, 2026, 12:00 AM · 1d delay
Shares
1.82k sh
$11.0k per share
Estimated value
-$20.1M
Computed from shares × price
Holdings after
295k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Repeat Seller 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

President and CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    This acquisition is reported to reflect the full vesting of performance units ("PUs") previously granted to the Reporting Person on March 1, 2023. Effective February 16, 2026, the Compensation Committ…

  2. F2

    Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding obligation in connection with the net settlement of the PUs and does not rep…

  3. F3

    The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

  4. F4

    The price reported in Column 4 is a weighted average price. These shares of the Company common stock ("Common Stock") were sold in multiple transactions at prices ranging from $106.65 to $107.64, incl…

  5. F5

    The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $107.67 to $108.66, inclusive. The Reporting Person u…

  6. F6

    The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $108.67 to $109.66, inclusive. The Reporting Person u…

  7. F7

    The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $109.68 to $110.58, inclusive. The Reporting Person u…

  8. F8

    The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $110.70 to $110.79, inclusive. The Reporting Person u…

  9. F9

    The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $107.35 to $108.35, inclusive. The Reporting Person u…

  10. F10

    The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $108.39 to $109.36, inclusive. The Reporting Person u…

  11. F11

    The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $109.40 to $110.40, inclusive. The Reporting Person u…

  12. F12

    The price reported in Column 4 is a weighted average price. These shares of Common Stock were sold in multiple transactions at prices ranging from $110.40 to $110.81, inclusive. The Reporting Person u…

  13. F13

    Each PU represents a contingent right to receive one share of Common Stock.

  14. F14

    The PUs were initially granted to the Reporting Person on March 1, 2023. Effective as of February 16, 2026, the Compensation Committee determined the actual award of PUs under the grant after

  15. completion of the relevant performance period, and the PUs fully vested on March 1, 2026.

  16. F15

    This stock option becomes exercisable in three substantially equal annual installments beginning on the first anniversary of the date of grant.

  17. F16

    Not applicable.

  18. F17

    This stock option, initially representing a right to purchase a total of 461,696 shares, is fully vested.

Original filing · 0001566391-26-000008
Related transactions

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Same reporting owner
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