Total buying$00 buys
IRM
IRON MOUNTAIN INC
NYSEFinancialsReal Estate Investment Trusts
Insider activity for last month from 09/19 to 10/19.
How these metrics are calculated
Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total selling$4.80M4 sells
Net open-market−$4.80MBuying minus selling
Active insiders4Distinct reporting owners
Insider activity report
Calendar-month buckets within the selected date range
Latest filing: Oct 08, 2026
Open-market transaction mix · 4 transactions in the selected period
Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.
View exact monthly counts and disclosed values
| Month | Buys | Sells | Awards (A) | Buy value | Sell value | Net P/S value |
|---|---|---|---|---|---|---|
| Sep 2026 | 0 | 0 | 0 | $0 | $0 | $0 |
| Oct 2026 | 0 | 4 | 3 | $0 | $4.80M | -$4.80M |
Distinct insiders active
Reporting-owner CIKs by month · peak Oct 2026 (4)Sep 2026Oct 2026
Largest insider activity
By absolute net disclosed value · current transaction page- MW-$553.6k
- SI+$48.2k
- SD+$39.9k
- ML—
IRM transaction history
Newest filings · 20 transactions per pageLatest insider transactions
Form 4 filings from last month.| Company | Insider | Activity | Disclosed value | Filed (ET) |
|---|---|---|---|---|
IRMIRON MOUNTAIN INC | Samuels Theodore R. IIDIR | A · grantDerivative securitySEC filing ↗ | $36.2kView disclosure → | |
IRMIRON MOUNTAIN INC | Simons DoyleDIR | A · grantDerivative securitySEC filing ↗ | $39.9kView disclosure → | |
IRMIRON MOUNTAIN INC | Samuels Theodore R. IIDIR | A · grantDerivative securitySEC filing ↗ | $11.9kView disclosure → | |
IRMIRON MOUNTAIN INC | Meaney William LPRES | M · exercise10b5-1 detectedDerivative securitySEC filing ↗ | UnknownView disclosure → | |
IRMIRON MOUNTAIN INC | Meaney William LPRES | S · sale10b5-1 detectedSEC filing ↗ | -$1.59MView disclosure → | |
IRMIRON MOUNTAIN INC | Meaney William LPRES | S · sale10b5-1 detectedSEC filing ↗ | -$1.19MView disclosure → | |
IRMIRON MOUNTAIN INC | Meaney William LPRES | S · sale10b5-1 detectedSEC filing ↗ | -$1.46MView disclosure → | |
IRMIRON MOUNTAIN INC | Meaney William LPRES | M · exercise10b5-1 detectedSEC filing ↗ | $1.42MView disclosure → | |
IRMIRON MOUNTAIN INC | McIntosh Greg WEVP · CCO | S · sale10b5-1 detectedSEC filing ↗ | -$553kView disclosure → |
Filing-only signals
Deterministic matches in the selected period
Filing detail checks
Secondary metrics for the selected periodTransaction codes
By Form 4 transaction code in selected period9transactionstxns
- S · Open-market sells · dominant4 · 44%
- A · Grants / awards3 · 33%
- M · Option exercise2 · 22%
Activity by reported role
A joint filing can contribute to multiple rolesPRES5
Director3
CCO1
EVP1
Reported Holdings After
Separated by insider, security, and ownership type
Meaney William LCommon Stock, par value $.01 per share · Direct
0Oct 01, 2026
Samuels Theodore R. IIPhantom Stock · Direct
14,215.49Oct 06, 2026
McIntosh Greg WCommon Stock, par value $.01 per share · Direct
70,634Oct 01, 2026
Meaney William LEmployee Stock Option (Right to Buy) · Direct
76,948Oct 01, 2026
Simons DoylePhantom Stock · Direct
46,563.786Oct 02, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells redSep 19 → Oct 19
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IRON MOUNTAIN INC Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at IRON MOUNTAIN INC?
Samuels Theodore R. II, Simons Doyle, Meaney William L, McIntosh Greg W.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Meaney William L reported a sale on Oct 01, 2026 valued at $1.59M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $4,802,931.98. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.