Insider Cluster (9 insiders) ·Filed Mar 2, 2026

IRM

IRON MOUNTAIN INC
MIXED
Impact 5/10
Horizondays Processed7mo ago
Insider cluster: 3 insiders, $1.7M total
Actionable Insight ◆ Mixed

Monitor for potential follow-on selling or commentary around executive compensation plans; while the dollar amount is small relative to market cap, coordinated sales by CEO and senior executives may signal reduced conviction ahead of earnings or strategic shifts.

DirectionMixed
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
IRM ▲ +17.33% at T+60d
NEUTRAL call ✓ call won +17.33% · α vs SPY +8.00% · entry $109.44 → $128.40
Entry anchored
Feb 27, 03:59 PM ET
via exchange tick
T+1d
-2.31%
call -2.31% · α -1.40%
$106.91
settled 7mo ago
T+5d
-2.89%
call -2.89% · α -1.68%
$106.27
settled 7mo ago
T+20d
-10.82%
call -10.82% · α -2.88%
$97.60
settled 6mo ago
T+60d
+17.33%
call +17.33% · α +8.00%
$128.40
settled 4mo ago

Price Chart

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Executive Summary

Iron Mountain CEO and multiple C-suite executives sold shares worth over $1.7M in open-market transactions, coinciding with the exercise of derivative securities totaling over 1.1 million shares. The sales represent a modest but notable cluster, with all cash proceeds coming from the CEO and two other executives.

Key Financial Metrics

Direction
selling
Total Value
$1.7M
Insiders
9

Key Facts

  • CEO William L. Meaney sold 2,929 shares for $313,871 in open-market transaction
  • EVP Mark Kidd sold 6,000 shares for $643,620; Jennifer Allerton sold 7,000 shares for $762,160
  • Total open-market sales: $1.72M across three insiders
  • Six insiders exercised derivative securities totaling 1,167,023 shares with $0 cash value (non-cash events)
  • Total cluster value (cash sales only): $1.72M, representing 0.005% of $32.6B market cap

Financial Impact

$1.72 million in open-market insider selling, 0.005% of market cap

insider sentimentshareholder confidence

Risk Factors

  • Perception of insider pessimism despite routine nature of derivative exercises
  • Potential for negative market interpretation of CEO selling

Market Snapshot

Exchange
NYSE

Investment Themes

Real Estate

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (9 trades, 7d window)cluster-IRM-1772584320471
16 reports for IRM
Performance horizon
75% Hit rate 3 of 4 directional calls best @ T+20▲ +10.82%Mar 2, 2026
Filters
Rows
Reports for IRM — sortable, filterable
TypeNow
Sep 2, 2026
4w ago
Insider Cluster
NEUTRAL ★ 2/10
$111.84 $111.13▼ −0.63%▼ −0.48%$113.39 (+1.39%)
Aug 10, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$122.39 $115.22▼ −5.86%▼ −4.80%$113.39 (−7.35%)
Aug 5, 2026
8w ago
8-K
BULLISH ★ 7/10
$127.13 $111.84▼ −12.03%▼ −11.43%$113.39 (−10.81%)
Jul 2, 2026
13w ago
Insider Cluster
NEUTRAL ★ 2/10
$117.16 $124.64▲ +6.38%▲ +6.80%$113.39 (−3.22%)
Jul 2, 2026
13w ago
Insider Cluster
NEUTRAL ★ 2/10
$117.16 $124.64▲ +6.38%▲ +6.80%$113.39 (−3.22%)
Jul 2, 2026
13w ago
Insider Cluster
NEUTRAL ★ 2/10
$117.16 $124.64▲ +6.38%▲ +6.80%$113.39 (−3.22%)
Jul 2, 2026
13w ago
Insider Cluster
NEUTRAL ★ 4/10
$117.16 $124.64▲ +6.38%▲ +6.80%$113.39 (−3.22%)
Jun 26, 2026
13w ago
8-K
NEUTRAL ★ 4/10
$129.97 $128.31▼ −1.28%▼ −1.00%$113.39 (−12.76%)
May 8, 2026
21w ago
Insider Cluster
NEUTRAL ★ 2/10
$128.84 $124.66▼ −3.24%▼ −3.27%$113.39 (−11.99%)
Apr 30, 2026
22w ago
8-K
BULLISH ★ 8/10
$125.99 $128.25▲ +1.79%▼ −3.43%$113.39 (−10.00%)
Showing 10 of 16

US Market Status

Market Closed — Opens Mon (65h 8m)

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Report published Mar 4, 2026