Form4insider filings, from the source

Company · CIK 0001020569 · SIC 6798 — Real Estate Investment Trusts · NYSE

IRON MOUNTAIN INC · IRM

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $5.7M · 3net −$5.7M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 SForm 4 →Sep 2, 4:27 pm EDTWilliam L MeaneyPresident and CEO, Director38,474$114.08$4,389,0160−100%10b5-1
Sep 1, 2026 MForm 4 →Sep 2, 4:27 pm EDTWilliam L MeaneyPresident and CEO, Director38,474$37.00$1,423,53838,474—10b5-1
Sep 1, 2026 SForm 4 →Sep 2, 4:22 pm EDTGreg W McIntoshEVP, Chief Commercial Officer5,000$115.60$578,00075,634−6.20%10b5-1
Sep 1, 2026 SForm 4 →Sep 2, 4:20 pm EDTMark KiddEVP, GM Data Centers & ALM6,000$115.60$693,60095,507−5.91%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 MForm 4 →Sep 2, 4:27 pm EDTWilliam L MeaneyPresident and CEO, Director38,474——115,422—10b5-1