Transaction · 0001566391-26-000026

Meaney William L

Meaney William L, PRES, reported an open-market or private sale at IRON MOUNTAIN INC involving 13358.000000 shares for an estimated $1463636.06. Reported holdings after the transaction were 25116.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SPRES
IRMIRON MOUNTAIN INC
Filing timeOct 05
Trade dateOct 01, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded34.72%Shares sold ÷ (holdings after + shares sold). Estimated position before: 38,474 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$111.13
Pre-filing
1mo ago +2.8%1w ago +2.7%1d ago -0.2%
Returns since
7d30d90d180d1y

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 2026-10-05Filed yesterday · 1 day of post-filing data
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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
0001566391-26-000026
Common Stock, par value $.01 per share
Transaction date
Oct 01, 2026
Filed Oct 05, 2026, 08:09 PM · 4d delay
Shares
13.3k sh
$109.57 per share
Estimated value
-$1.46M
Computed from shares × price
Holdings after
25.1k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership Large Holdings Reduction Large Sale 10b5-1 Detected
-4score
Filing-only score

-4

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

  2. F2

    The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $109.02 t…

  3. F3

    The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated Common Stock were sold in multiple transactions at prices ranging from $110.02 to $111.02, inclus…

  4. F4

    The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated Common Stock were sold in multiple transactions at prices ranging from $111.03 to $111.55, inclus…

  5. F5

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

  6. F6

    Not applicable.

Original filing · 0001566391-26-000026
Related transactions

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Same reporting owner
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