NASDAQ : IOSP
-$0.3 (-0.36%)
0.92
Per Share2026-05-19
2026-05-01
2026-05-29
| Announced | Period | Amount | Ex-Dividend Date | Record Date | Payable Date |
|---|---|---|---|---|---|
| 2026-05-19 | Quarterly | 0.92 | 2026-05-01 | 2026-05-19 | 2026-05-29 |
| 2025-11-18 | Quarterly | 0.87 | 2025-11-02 | 2025-11-18 | 2025-11-26 |
| 2025-05-20 | Quarterly | 0.84 | 2025-05-01 | 2025-05-20 | 2025-05-30 |
| 2024-11-18 | Quarterly | 0.79 | 2024-11-05 | 2024-11-18 | 2024-11-26 |
| 2024-05-17 | Quarterly | 0.76 | 2024-05-09 | 2024-05-20 | 2024-05-31 |
| 2023-11-17 | Quarterly | 0.72 | 2023-11-06 | 2023-11-20 | 2023-11-27 |
| 2023-05-19 | Quarterly | 0.69 | 2023-05-03 | 2023-05-22 | 2023-05-31 |
| 2022-11-18 | Quarterly | 0.65 | 2022-11-08 | 2022-11-21 | 2022-11-28 |
| 2022-05-16 | Quarterly | 0.63 | 2022-05-03 | 2022-05-17 | 2022-05-26 |
| 2021-11-15 | Quarterly | 0.59 | 2021-11-02 | 2021-11-16 | 2021-11-24 |
| 2021-05-14 | Quarterly | 0.57 | 2021-05-04 | 2021-05-17 | 2021-05-26 |
| 2020-11-16 | Quarterly | 0.52 | 2020-11-03 | 2020-11-17 | 2020-11-25 |
| 2020-05-15 | Quarterly | 0.52 | 2020-04-28 | 2020-05-18 | 2020-05-26 |
| 2019-11-18 | Quarterly | 0.52 | 2019-11-01 | 2019-11-19 | 2019-11-27 |
| 2019-05-20 | Quarterly | 0.5 | 2019-05-06 | 2019-05-21 | 2019-05-30 |
| 2018-11-16 | Quarterly | 0.45 | 2018-11-02 | 2018-11-19 | 2018-11-29 |
| 2018-05-18 | Quarterly | 0.44 | 2018-05-08 | 2018-05-21 | 2018-05-31 |
| 2017-11-15 | Quarterly | 0.39 | 2017-11-07 | 2017-11-16 | 2017-11-27 |
| 2017-05-18 | Quarterly | 0.38 | 2017-05-10 | 2017-05-22 | 2017-05-31 |
| 2016-11-10 | Quarterly | 0.34 | 2016-11-02 | 2016-11-15 | 2016-11-24 |
| 2016-05-12 | Quarterly | 0.33 | 2016-05-03 | 2016-05-16 | 2016-05-25 |
| 2015-11-12 | Quarterly | 0.31 | 2015-11-03 | 2015-11-16 | 2015-11-25 |
| 2015-05-14 | Quarterly | 0.3 | 2015-05-05 | 2015-05-18 | 2015-05-27 |
| 2014-11-13 | Quarterly | 0.28 | 2014-11-04 | 2014-11-17 | 2014-11-26 |
| 2014-05-15 | Quarterly | 0.27 | 2014-05-06 | 2014-05-19 | 2014-05-28 |
| 2013-11-14 | Quarterly | 0.5 | 2013-11-05 | 2013-11-18 | 2013-11-27 |
| 2012-12-12 | Quarterly | 2 | 2012-12-03 | 2012-12-14 | 2012-12-21 |
| 2009-03-12 | Quarterly | 0.05 | 2009-02-24 | 2009-03-16 | 2009-04-06 |
| 2008-08-27 | Quarterly | 0.05 | 2008-08-14 | 2008-09-01 | 2008-10-06 |
| 2008-03-12 | Quarterly | 0.05 | 2008-02-22 | 2008-03-14 | 2008-04-04 |
| 2007-08-30 | Quarterly | 0.045 | 2007-08-14 | 2007-09-04 | 2007-10-08 |
| 2007-03-01 | Quarterly | 0.09 | 2007-02-20 | 2007-03-05 | 2007-04-02 |
| 2006-08-30 | Quarterly | 0.08 | 2006-08-18 | 2006-09-01 | 2006-10-01 |
| 2006-02-21 | Quarterly | 0.08 | 2006-02-16 | 2006-02-23 | 2006-04-01 |
| 2005-08-29 | Quarterly | 0.07 | 2005-08-12 | 2005-08-31 | 2005-09-30 |
| 2005-02-16 | Quarterly | 0.07 | 2005-02-07 | 2005-02-18 | 2005-04-01 |
| 2004-08-18 | Quarterly | 0.06 | 2004-08-12 | 2004-08-20 | 2004-10-01 |
| 2004-02-18 | Quarterly | 0.06 | 2004-02-10 | 2004-02-20 | 2004-04-01 |
| 2003-05-16 | Quarterly | 0.05 | 2003-05-05 | 2003-05-20 | 2003-06-17 |
| 2002-08-22 | Quarterly | 0.05 | 2002-08-14 | 2002-08-26 | 2002-09-30 |