ATLASIron Mountain (IRM) dividend and ex-dividend dates
Iron Mountain (IRM) pays $3.46 per share over a year, quarterly (about $0.864 per payment), a yield of 3.00% at $115.10. The next ex-dividend date is not confirmed yet; ATLAS expects it around December 10–20, an estimate based on the last payment and the payment pattern.
Source: company filings and exchange data · Updated Nov 2, 2026
ATLAS view on IRM
| Last price | $116.62 |
|---|---|
| Next earnings | Thu, Nov 5, 2026 · EPS estimate $1.35 |
| Earnings beat history | Beat the EPS estimate in 5 of the last 5 reports |
| Dividend | $3.46 a year (3.00% yield) |
From the same calibrated model and valuation as the Iron Mountain stock page. A high yield can signal risk as well as value; compare it with the fair value gap above.
Expected around December 10–20 (estimate). One email the day before, with ATLAS’s read on Iron Mountain. You can switch it off at any time.
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IRM dividend at a glance
| Next ex-dividend date | Not confirmed · expected around December 10–20 (ATLAS estimate) |
|---|---|
| Last ex-dividend date | Tue, Sep 15, 2026 |
| Dividend per share, last 12 months | $3.46 in 4 payments |
| Average per payment | $0.864 |
| Dividend yield | 3.00% |
| Frequency | Quarterly |
| Sector | Real Estate · REIT - Specialty |
The expected window adds the usual gap between payments to the last ex-dividend date. Companies declare the real date a few weeks ahead, and this page switches to the confirmed date when it is published. The pay date is not shown because ATLAS does not hold it.
Iron Mountain dividend: frequently asked questions
When is the next Iron Mountain (IRM) ex-dividend date?
It has not been confirmed. The last ex-dividend date was Tuesday, September 15, 2026 and IRM pays quarterly, so ATLAS estimates the next one around December 10–20. This is an estimate, not a confirmed date.
How much dividend does IRM pay?
Over the last 12 months Iron Mountain paid $3.46 per share in 4 payments, a yield of 3.00% at the current price.
How often does IRM pay dividends?
Iron Mountain pays dividends quarterly, based on its last 12 months of payments.
What is the ex-dividend date?
The ex-dividend date is the first day a stock trades without the right to the next dividend. To receive it you need to own the shares before that day. The stock price usually adjusts down by about the dividend on the ex-date.
When does Iron Mountain report earnings?
Iron Mountain reports on Thursday, November 5, 2026.
Educational information, not investment advice. Disclaimer