Transaction · 0001566391-26-000012

Meaney William L

Meaney William L, PRES, reported an open-market or private sale at IRON MOUNTAIN INC involving 34358.000000 shares for an estimated $3647101.70. Reported holdings after the transaction were 38021.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SPRES
IRMIRON MOUNTAIN INC
Filing timeMar 09
Trade dateMar 05, 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
$107.14
Pre-filing
1mo ago -17.3%1w ago +2.1%1d ago +0.7%
Returns since
7d +0.4%30d -0.2%90d +16.4%180d +9.6%1y +9.6%

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 2026-03-09Filed 178 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
0001566391-26-000012
Common Stock, par value $.01 per share
Transaction date
Mar 05, 2026
Filed Mar 09, 2026, 12:00 AM · 4d delay
Shares
34.3k sh
$10.6k per share
Estimated value
-$364M
Computed from shares × price
Holdings after
38.0k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Large Holdings Reduction Large Sale Repeat Seller 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

    The 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 $104.62 t…

  3. F3

    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 $105.62 to $106.61, inclusive. The Reporting Person u…

  4. F4

    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 $106.62 to $107.54, inclusive. The Reporting Person u…

Original filing · 0001566391-26-000012
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Same reporting owner
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