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IRM Ex Dividend Date shows the ex-dividend date of Iron Mountain Incorporated along with dividend yield, payout ratio, and dividend history for IRM.
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Last update date: July 24, 2026
The IRM Ex Dividend Date is on June 15, 2026.
| Company | Iron Mountain Incorporated |
|---|---|
| Stock Symbol | IRM - NYSE |
| IRM Stock Price | $128.36 |
| IRM Ex-Dividend Date | June 15, 2026 |
| IRM Dividend Record Date | June 15, 2026 |
| IRM Dividend Declaration Date | April 30, 2026 |
| IRM Dividend Payout Date | July 3, 2026 |
| IRM Dividend Period | Quarterly |
| IRM Dividend Payout | $0.86 Per Share |
| IRM Annual Dividend | $3.38 Per Share |
| IRM Dividend Payout Ratio | 823.66% |
| IRM Dividend Yield | 2.63% |
| IRM Ex Dividend Date | Payout Date | Period | Dividend | Change |
|---|---|---|---|---|
| 06/15/2026 | 07/03/2026 | Quarterly | $0.86400 | |
| 03/16/2026 | 04/03/2026 | Quarterly | $0.86400 | |
| 12/15/2025 | 01/06/2026 | Quarterly | $0.86400 | |
| 09/15/2025 | 10/03/2025 | Quarterly | $0.78500 | |
| 06/16/2025 | 07/03/2025 | Quarterly | $0.78500 | |
| 03/17/2025 | 04/04/2025 | Quarterly | $0.78500 | +9.79% |
| 12/16/2024 | 01/07/2025 | Quarterly | $0.71500 | |
| 09/16/2024 | 10/03/2024 | Quarterly | $0.71500 | +10.00% |
| 06/17/2024 | 07/05/2024 | Quarterly | $0.65000 | -17.20% |
| 03/17/2024 | 04/04/2025 | Quarterly | $0.78500 | +20.77% |
| 03/14/2024 | 04/04/2024 | Quarterly | $0.65000 | |
| 12/14/2023 | 01/04/2024 | Quarterly | $0.65000 | |
| 09/14/2023 | 10/05/2023 | Quarterly | $0.65000 | +5.01% |
| 06/14/2023 | 07/06/2023 | Quarterly | $0.61900 | |
| 03/14/2023 | 04/05/2023 | Quarterly | $0.61900 | |
| 12/14/2022 | 01/05/2023 | Quarterly | $0.61900 | |
| 09/14/2022 | 10/04/2022 | Quarterly | $0.61900 | |
| 06/14/2022 | 07/06/2022 | Quarterly | $0.61900 | |
| 03/14/2022 | 04/06/2022 | Quarterly | $0.61900 | |
| 12/14/2021 | 01/06/2022 | Quarterly | $0.61900 | |
| 09/14/2021 | 10/06/2021 | Quarterly | $0.61900 | |
| 06/14/2021 | 07/06/2021 | Quarterly | $0.61900 | |
| 03/12/2021 | 04/06/2021 | Quarterly | $0.61900 | |
| 12/14/2020 | 01/06/2021 | Quarterly | $0.61900 | |
| 09/14/2020 | 10/02/2020 | Quarterly | $0.61900 |

| 06/12/2020 | 07/02/2020 | Quarterly | $0.61900 | |
| 03/13/2020 | 04/06/2020 | Quarterly | $0.61900 | |
| 12/13/2019 | 01/02/2020 | Quarterly | $0.61900 | +1.31% |
| 09/13/2019 | 10/02/2019 | Quarterly | $0.61100 | |
| 06/14/2019 | 07/02/2019 | Quarterly | $0.61100 | |
| 03/14/2019 | 04/02/2019 | Quarterly | $0.61100 | |
| 12/14/2018 | 01/03/2019 | Quarterly | $0.61100 | +3.91% |
| 09/14/2018 | 10/02/2018 | Quarterly | $0.58800 | |
| 06/14/2018 | 07/02/2018 | Quarterly | $0.58800 | |
| 03/14/2018 | 04/02/2018 | Quarterly | $0.58800 | |
| 12/14/2017 | 01/02/2018 | Quarterly | $0.58800 | +6.91% |
| 09/14/2017 | 10/02/2017 | Quarterly | $0.55000 | |
| 06/13/2017 | 07/03/2017 | Quarterly | $0.55000 | |
| 03/13/2017 | 04/03/2017 | Quarterly | $0.55000 | |
| 12/13/2016 | 12/30/2016 | Quarterly | $0.55000 | +13.40% |
| 09/08/2016 | 09/30/2016 | Quarterly | $0.48500 | |
| 06/02/2016 | 06/24/2016 | Quarterly | $0.48500 | |
| 03/03/2016 | 03/21/2016 | Quarterly | $0.48500 | |
| 11/27/2015 | 12/15/2015 | Quarterly | $0.48500 | +2.11% |
| 09/09/2015 | 09/30/2015 | Quarterly | $0.47500 | |
| 06/10/2015 | 06/26/2015 | Quarterly | $0.47500 | |
| 03/04/2015 | 03/20/2015 | Other | $0.47500 | |
| 12/03/2014 | 12/22/2014 | Quarterly | $0.47500 | +86.27% |
| 11/25/2014 | 12/15/2014 | Other | $0.25500 | -61.88% |
| 09/26/2014 | 11/04/2014 | Other | $0.66900 | +52.39% |
| 09/23/2014 | 10/15/2014 | Quarterly | $0.43900 | +75.92% |
| 06/23/2014 | 07/15/2014 | Quarterly | $0.24954 | |
| 03/21/2014 | 04/15/2014 | Quarterly | $0.24954 | |
| 12/24/2013 | 01/15/2014 | Quarterly | $0.24954 | |
| 09/23/2013 | 10/15/2013 | Quarterly | $0.24954 | |
| 06/21/2013 | 07/15/2013 | Quarterly | $0.24954 | |
| 03/21/2013 | 04/15/2013 | Quarterly | $0.24954 | |
| 12/21/2012 | 01/17/2013 | Quarterly | $0.24954 | -93.37% |
| 10/18/2012 | 11/21/2012 | Other | $3.76155 | |
| 09/21/2012 | 10/15/2012 | Quarterly | $0.24954 | |
| 06/20/2012 | 07/13/2012 | Quarterly | $0.24954 | +8.00% |
| 03/21/2012 | 04/13/2012 | Quarterly | $0.23105 | |
| 12/21/2011 | 01/13/2012 | Quarterly | $0.23105 | |
| 09/21/2011 | 10/14/2011 | Quarterly | $0.23105 | |
| 06/22/2011 | 07/15/2011 | Quarterly | $0.23105 | +32.98% |
| 03/23/2011 | 04/15/2011 | Quarterly | $0.17375 | |
| 12/22/2010 | 01/14/2011 | Quarterly | $0.17375 | +198.39% |
| 09/24/2010 | 10/15/2010 | Quarterly | $0.05823 | |
| 06/23/2010 | 07/15/2010 | Quarterly | $0.05823 | |
| 03/23/2010 | 04/15/2010 | Annual | $0.05823 |

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