InsiderTrades

Form 4 for IRM Iron Mountain

Accepted 2025-07-03 00:00:00 ET · period of report 2025-07-01 · accession 0001020569-25-000154 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-07-03 2025-07-01 IRM BAILEY CLARK H Dir M - OptEx $0.00 +90.9K 242.5K +60% $0
D 2025-07-03 2025-07-01 IRM BAILEY CLARK H Dir M - OptEx $0.00 -90.9K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-07-01 M A 90,860.99 $0.00 242,454.99 D — — (F1) Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock. The Reporting Person ceased service as a director effective May 29, 2025.
2 Derivative Phantom Stock 2025-07-01 M D 90,860.99 $0.00 0 D — · — to — 90,860.99 Common Stock (F1) Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock. The Reporting Person ceased service as a director effective May 29, 2025.