INNOSPEC INC. Diluted Shares Outstanding (Weighted Average)
INNOSPEC INC. (IOSP) reported Diluted Shares Outstanding (Weighted Average) of 24.71 million shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-05.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding · last filed 2026-08-05
- INNOSPEC INC. weighted average number of shares outstanding, diluted for the quarter ending 2026-06-30 was 24.71M shares, a 1.34% decline year-over-year.
- INNOSPEC INC. weighted average number of shares outstanding, diluted for the quarter ending 2026-03-31 was 24.84M shares, a 1.03% decline year-over-year.
- INNOSPEC INC. weighted average number of shares outstanding, diluted for the quarter ending 2025-12-31 was 24.84M shares, a 1.31% decline year-over-year.
- INNOSPEC INC. weighted average number of shares outstanding, diluted for the quarter ending 2025-09-30 was 24.91M shares, a 0.76% decline year-over-year.
- INNOSPEC INC. weighted average number of shares outstanding, diluted for fiscal 2025 was 24.99M shares, a 0.50% decline from fiscal 2024.
- INNOSPEC INC. weighted average number of shares outstanding, diluted for fiscal 2024 was 25.12M shares, a 0.39% increase from fiscal 2023.
- INNOSPEC INC. weighted average number of shares outstanding, diluted for fiscal 2023 was 25.02M shares, a 0.16% increase from fiscal 2022.
- INNOSPEC INC. weighted average number of shares outstanding, diluted for fiscal 2022 was 24.98M shares, a 0.52% increase from fiscal 2021.
| Period end | Weighted Average Number of Shares Outstanding, Diluted 3 month | Weighted Average Number of Shares Outstanding, Diluted 3 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 6 month | Weighted Average Number of Shares Outstanding, Diluted 9 month | Weighted Average Number of Shares Outstanding, Diluted 12 month |
|---|---|---|---|---|---|
| 2026-06-30 | 24.71M shares 10-Q · filed 2026-08-05 | 24.81M shares 10-Q · filed 2026-08-05 | 24.80M shares derived: average of 3 quarters · filed 2026-08-05 | 24.82M shares derived: average of 4 quarters · filed 2026-08-05 | |
| 2026-03-31 | 24.84M shares 10-Q · filed 2026-05-08 | 24.84M shares derived: average of 2 quarters · filed 2026-05-08 | 24.86M shares derived: average of 3 quarters · filed 2026-05-08 | 24.91M shares derived: average of 4 quarters · filed 2026-08-05 | |
| 2025-12-31 | 24.84M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | 24.87M shares derived: average of 2 quarters · filed 2026-02-18 | 24.93M shares derived: average of 3 quarters · filed 2026-08-05 | 24.99M shares 10-K · filed 2026-02-18 | |
| 2025-09-30 | 24.91M shares 10-Q · filed 2025-11-05 | 24.98M shares derived: average of 2 quarters · filed 2026-08-05 | 25.05M shares 10-Q · filed 2025-11-05 | 25.05M shares derived: average of 4 quarters · filed 2026-08-05 | |
| 2025-06-30 | 25.04M shares 10-Q · filed 2026-08-05 | 25.10M shares 10-Q · filed 2026-08-05 | 25.10M shares derived: average of 3 quarters · filed 2026-08-05 | 25.10M shares derived: average of 4 quarters · filed 2026-08-05 | |
| 2025-03-31 | 25.10M shares 10-Q · filed 2026-05-08 | 25.13M shares derived: average of 2 quarters · filed 2026-05-08 | 25.12M shares derived: average of 3 quarters · filed 2026-05-08 | 25.12M shares derived: average of 4 quarters · filed 2026-05-08 | |
| 2024-12-31 | 25.17M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | 25.13M shares derived: average of 2 quarters · filed 2026-02-18 | 25.12M shares derived: average of 3 quarters · filed 2026-02-18 | 25.12M shares 10-K · filed 2026-02-18 | |
| 2024-09-30 | 25.10M shares 10-Q · filed 2025-11-05 | 25.10M shares derived: average of 2 quarters · filed 2025-11-05 | 25.10M shares 10-Q · filed 2025-11-05 | 25.09M shares derived: average of 4 quarters · filed 2026-02-18 | |
| 2024-06-30 | 25.10M shares 10-Q · filed 2025-08-06 | 25.09M shares 10-Q · filed 2025-08-06 | 25.08M shares derived: average of 3 quarters · filed 2026-02-18 | 25.06M shares derived: average of 4 quarters · filed 2026-02-18 | |
| 2024-03-31 | 25.07M shares 10-Q · filed 2025-05-09 | 25.08M shares derived: average of 2 quarters · filed 2026-02-18 | 25.05M shares derived: average of 3 quarters · filed 2026-02-18 | 25.04M shares derived: average of 4 quarters · filed 2026-02-18 | |
| 2023-12-31 | 25.09M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | 25.05M shares derived: average of 2 quarters · filed 2026-02-18 | 25.02M shares derived: average of 3 quarters · filed 2026-02-18 | 25.02M shares 10-K · filed 2026-02-18 | |
| 2023-09-30 | 25.01M shares 10-Q · filed 2024-11-06 | 24.99M shares derived: average of 2 quarters · filed 2024-11-06 | 25.00M shares 10-Q · filed 2024-11-06 | 24.99M shares derived: average of 4 quarters · filed 2025-02-19 | |
| 2023-06-30 | 24.98M shares 10-Q · filed 2024-08-07 | 25.01M shares 10-Q · filed 2024-08-07 | 24.98M shares derived: average of 3 quarters · filed 2025-02-19 | 24.98M shares derived: average of 4 quarters · filed 2025-02-19 | |
| 2023-03-31 | 24.96M shares 10-Q · filed 2024-05-10 | 24.98M shares derived: average of 2 quarters · filed 2025-02-19 | 24.98M shares derived: average of 3 quarters · filed 2025-02-19 | 24.97M shares derived: average of 4 quarters · filed 2025-02-19 | |
| 2022-12-31 | 25.00M shares derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-19 | 24.98M shares derived: average of 2 quarters · filed 2025-02-19 | 24.98M shares derived: average of 3 quarters · filed 2025-02-19 | 24.98M shares 10-K · filed 2025-02-19 | |
| 2022-09-30 | 24.96M shares 10-Q · filed 2023-11-08 | 24.97M shares derived: average of 2 quarters · filed 2023-11-08 | 24.98M shares 10-Q · filed 2023-11-08 | 24.92M shares derived: average of 4 quarters · filed 2024-02-14 | |
| 2022-06-30 | 24.97M shares 10-Q · filed 2023-08-09 | 24.97M shares 10-Q · filed 2023-08-09 | 24.91M shares derived: average of 3 quarters · filed 2024-02-14 | 24.90M shares derived: average of 4 quarters · filed 2024-02-14 | |
| 2022-03-31 | 24.96M shares 10-Q · filed 2023-05-04 | 24.88M shares derived: average of 2 quarters · filed 2024-02-14 | 24.87M shares derived: average of 3 quarters · filed 2024-02-14 | 24.87M shares derived: average of 4 quarters · filed 2024-02-14 | |
| 2021-12-31 | 24.80M shares derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-14 | 24.83M shares derived: average of 2 quarters · filed 2024-02-14 | 24.84M shares derived: average of 3 quarters · filed 2024-02-14 | 24.85M shares 10-K · filed 2024-02-14 | |
| 2021-09-30 | 24.86M shares 10-Q · filed 2022-11-09 | 24.87M shares derived: average of 2 quarters · filed 2022-11-09 | 24.87M shares 10-Q · filed 2022-11-09 | 24.85M shares derived: average of 4 quarters · filed 2023-02-22 | |
| 2021-06-30 | 24.87M shares 10-Q · filed 2022-08-03 | 24.86M shares 10-Q · filed 2022-08-03 | 24.85M shares derived: average of 3 quarters · filed 2023-02-22 | 24.82M shares derived: average of 4 quarters · filed 2023-02-22 | |
| 2021-03-31 | 24.84M shares 10-Q · filed 2022-05-04 | 24.84M shares derived: average of 2 quarters · filed 2023-02-22 | 24.80M shares derived: average of 3 quarters · filed 2023-02-22 | 24.74M shares derived: average of 4 quarters · filed 2023-02-22 | |
| 2020-12-31 | 24.84M shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-22 | 24.78M shares derived: average of 2 quarters · filed 2023-02-22 | 24.71M shares derived: average of 3 quarters · filed 2023-02-22 | 24.78M shares 10-K · filed 2023-02-22 | |
| 2020-09-30 | 24.72M shares 10-Q · filed 2021-11-03 | 24.64M shares derived: average of 2 quarters · filed 2021-11-03 | 24.76M shares 10-Q · filed 2021-11-03 | 24.71M shares derived: average of 4 quarters · filed 2022-02-16 | |
| 2020-06-30 | 24.56M shares 10-Q · filed 2021-08-04 | 24.55M shares 10-Q · filed 2021-08-04 | 24.71M shares derived: average of 3 quarters · filed 2022-02-16 | 24.71M shares derived: average of 4 quarters · filed 2022-02-16 | |
| 2020-03-31 | 24.74M shares 10-Q · filed 2021-05-05 | 24.78M shares derived: average of 2 quarters · filed 2022-02-16 | 24.76M shares derived: average of 3 quarters · filed 2022-02-16 | 24.74M shares derived: average of 4 quarters · filed 2022-02-16 | |
| 2019-12-31 | 24.81M shares derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-16 | 24.76M shares derived: average of 2 quarters · filed 2022-02-16 | 24.73M shares derived: average of 3 quarters · filed 2022-02-16 | 24.73M shares 10-K · filed 2022-02-16 | |
| 2019-09-30 | 24.71M shares 10-Q · filed 2020-11-04 | 24.70M shares derived: average of 2 quarters · filed 2020-11-04 | 24.70M shares 10-Q · filed 2020-11-04 | 24.66M shares derived: average of 4 quarters · filed 2021-02-17 | |
| 2019-06-30 | 24.68M shares 10-Q · filed 2020-08-05 | 24.67M shares 10-Q · filed 2020-08-05 | 24.65M shares derived: average of 3 quarters · filed 2021-02-17 | 24.64M shares derived: average of 4 quarters · filed 2021-02-17 | |
| 2019-03-31 | 24.59M shares 10-Q · filed 2020-05-06 | 24.63M shares derived: average of 2 quarters · filed 2021-02-17 | 24.62M shares derived: average of 3 quarters · filed 2021-02-17 | 24.61M shares derived: average of 4 quarters · filed 2021-02-17 | |
| 2018-12-31 | 24.67M shares derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-17 | 24.63M shares derived: average of 2 quarters · filed 2021-02-17 | 24.62M shares derived: average of 3 quarters · filed 2021-02-17 | 24.60M shares 10-K · filed 2021-02-17 | |
| 2018-09-30 | 24.60M shares 10-Q · filed 2019-11-06 | 24.59M shares derived: average of 2 quarters · filed 2019-11-06 | 24.58M shares 10-Q · filed 2019-11-06 | 24.50M shares derived: average of 4 quarters · filed 2020-02-19 | |
| 2018-06-30 | 24.59M shares 10-Q · filed 2019-08-06 | 24.58M shares 10-Q · filed 2019-08-06 | 24.47M shares derived: average of 3 quarters · filed 2020-02-19 | 24.49M shares derived: average of 4 quarters · filed 2020-02-19 | |
| 2018-03-31 | 24.57M shares 10-Q · filed 2019-05-08 | 24.41M shares derived: average of 2 quarters · filed 2020-02-19 | 24.46M shares derived: average of 3 quarters · filed 2020-02-19 | 24.48M shares derived: average of 4 quarters · filed 2020-02-19 | |
| 2017-12-31 | 24.24M shares derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-19 | 24.40M shares derived: average of 2 quarters · filed 2020-02-19 | 24.45M shares derived: average of 3 quarters · filed 2020-02-19 | 24.49M shares 10-K · filed 2020-02-19 | |
| 2017-09-30 | 24.57M shares 10-Q · filed 2018-11-07 | 24.56M shares derived: average of 2 quarters · filed 2018-11-07 | 24.57M shares 10-Q · filed 2018-11-07 | 24.51M shares derived: average of 4 quarters · filed 2019-02-20 | |
| 2017-06-30 | 24.55M shares 10-Q · filed 2018-08-08 | 24.56M shares 10-Q · filed 2018-08-08 | 24.49M shares derived: average of 3 quarters · filed 2019-02-20 | 24.48M shares derived: average of 4 quarters · filed 2019-02-20 | |
| 2017-03-31 | 24.53M shares 10-Q · filed 2018-05-09 | 24.45M shares derived: average of 2 quarters · filed 2019-02-20 | 24.46M shares derived: average of 3 quarters · filed 2019-02-20 | 24.46M shares derived: average of 4 quarters · filed 2019-02-20 | |
| 2016-12-31 | 24.38M shares derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-20 | 24.43M shares derived: average of 2 quarters · filed 2019-02-20 | 24.43M shares derived: average of 3 quarters · filed 2019-02-20 | 24.44M shares 10-K · filed 2019-02-20 | |
| 2016-09-30 | 24.48M shares 10-Q · filed 2017-11-08 | 24.46M shares derived: average of 2 quarters · filed 2017-11-08 | 24.46M shares 10-Q · filed 2017-11-08 | 24.47M shares derived: average of 4 quarters · filed 2018-02-15 | |
| 2016-06-30 | 24.44M shares 10-Q · filed 2017-08-09 | 24.46M shares 10-Q · filed 2017-08-09 | 24.46M shares derived: average of 3 quarters · filed 2018-02-15 | 24.50M shares derived: average of 4 quarters · filed 2018-02-15 | |
| 2016-03-31 | 24.48M shares 10-Q · filed 2017-05-10 | 24.48M shares derived: average of 2 quarters · filed 2018-02-15 | 24.52M shares derived: average of 3 quarters · filed 2018-02-15 | 24.56M shares derived: average of 4 quarters · filed 2018-02-15 | |
| 2015-12-31 | 24.47M shares derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-15 | 24.54M shares derived: average of 2 quarters · filed 2018-02-15 | 24.58M shares derived: average of 3 quarters · filed 2018-02-15 | 24.61M shares 10-K · filed 2018-02-15 | |
| 2015-09-30 | 24.61M shares 10-Q · filed 2016-11-03 | 24.64M shares derived: average of 2 quarters · filed 2016-11-03 | 24.66M shares 10-Q · filed 2016-11-03 | 24.76M shares derived: average of 4 quarters · filed 2017-02-15 | |
| 2015-06-30 | 24.67M shares 10-Q · filed 2016-08-03 | 24.76M shares 10-Q · filed 2016-08-03 | 24.81M shares derived: average of 3 quarters · filed 2017-02-15 | 24.84M shares derived: average of 4 quarters · filed 2017-02-15 | |
| 2015-03-31 | 24.81M shares 10-Q · filed 2016-05-04 | 24.89M shares derived: average of 2 quarters · filed 2017-02-15 | 24.90M shares derived: average of 3 quarters · filed 2017-02-15 | 24.84M shares derived: average of 4 quarters · filed 2017-02-15 | |
| 2014-12-31 | 24.96M shares derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-15 | 24.94M shares derived: average of 2 quarters · filed 2017-02-15 | 24.85M shares derived: average of 3 quarters · filed 2017-02-15 | 24.88M shares 10-K · filed 2017-02-15 | |
| 2014-09-30 | 24.91M shares 10-Q · filed 2015-11-04 | 24.79M shares derived: average of 2 quarters · filed 2015-11-04 | 24.85M shares 10-Q · filed 2015-11-04 | 24.65M shares derived: average of 4 quarters · filed 2016-02-17 | |
| 2014-06-30 | 24.67M shares 10-Q · filed 2015-08-05 | 24.63M shares 10-Q · filed 2015-08-05 | 24.56M shares derived: average of 3 quarters · filed 2016-02-17 | 24.44M shares derived: average of 4 quarters · filed 2016-02-17 | |
| 2014-03-31 | 24.64M shares 10-Q · filed 2015-05-06 | 24.50M shares derived: average of 2 quarters · filed 2016-02-17 | 24.37M shares derived: average of 3 quarters · filed 2016-02-17 | 24.29M shares derived: average of 4 quarters · filed 2016-02-17 | |
| 2013-12-31 | 24.37M shares derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-17 | 24.23M shares derived: average of 2 quarters · filed 2016-02-17 | 24.17M shares derived: average of 3 quarters · filed 2016-02-17 | 24.16M shares 10-K · filed 2016-02-17 | |
| 2013-09-30 | 24.10M shares 10-Q · filed 2014-11-05 | 24.08M shares derived: average of 2 quarters · filed 2014-11-05 | 24.09M shares 10-Q · filed 2014-11-05 | 23.99M shares derived: average of 4 quarters · filed 2015-02-17 | |
| 2013-06-30 | 24.06M shares 10-Q · filed 2014-08-06 | 24.07M shares 10-Q · filed 2014-08-06 | 23.95M shares derived: average of 3 quarters · filed 2015-02-17 | 23.94M shares derived: average of 4 quarters · filed 2015-02-17 | |
| 2013-03-31 | 24.02M shares 10-Q · filed 2014-05-07 | 23.90M shares derived: average of 2 quarters · filed 2015-02-17 | 23.91M shares derived: average of 3 quarters · filed 2015-02-17 | 23.90M shares derived: average of 4 quarters · filed 2015-02-17 | |
| 2012-12-31 | 23.78M shares derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-17 | 23.85M shares derived: average of 2 quarters · filed 2015-02-17 | 23.87M shares derived: average of 3 quarters · filed 2015-02-17 | 23.85M shares 10-K · filed 2015-02-17 | |
| 2012-09-30 | 23.92M shares 10-Q · filed 2013-11-06 | 23.91M shares derived: average of 2 quarters · filed 2013-11-06 | 23.87M shares 10-Q · filed 2013-11-06 | 23.97M shares derived: average of 4 quarters · filed 2014-02-13 | |
| 2012-06-30 | 23.89M shares 10-Q · filed 2013-08-08 | 23.82M shares 10-Q · filed 2013-08-08 | 23.98M shares derived: average of 3 quarters · filed 2014-02-13 | 23.91M shares derived: average of 4 quarters · filed 2014-02-13 | |
| 2012-03-31 | 23.82M shares 10-Q/A · filed 2013-08-08 | 23.82K shares 10-Q · filed 2012-05-08 | 24.03M shares derived: average of 2 quarters · filed 2014-02-13 | 23.92M shares derived: average of 3 quarters · filed 2014-02-13 | 24.07M shares derived: average of 4 quarters · filed 2014-02-13 |
| 2011-12-31 | 24.23M shares derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-13 | 23.97M shares derived: average of 2 quarters · filed 2014-02-13 | 24.15M shares derived: average of 3 quarters · filed 2014-02-13 | 24.52M shares 10-K · filed 2014-02-13 | |
| 2011-09-30 | 23.71M shares 10-Q · filed 2012-11-01 | 24.11M shares derived: average of 2 quarters · filed 2012-11-01 | 24.62M shares 10-Q · filed 2012-11-01 | 18.18M shares derived: average of 4 quarters · filed 2013-02-13 | |
| 2011-06-30 | 24.52M shares 10-Q · filed 2012-08-09 | 24.52M shares 10-Q · filed 2012-08-09 | 16.34M shares derived: average of 3 quarters · filed 2013-02-13 | 18.50M shares derived: average of 4 quarters · filed 2013-02-13 | |
| 2011-03-31 | 24.46K shares 10-Q · filed 2012-05-08 | 12.24M shares derived: average of 2 quarters · filed 2013-02-13 | 16.50M shares derived: average of 3 quarters · filed 2013-02-13 | 18.62M shares derived: average of 4 quarters · filed 2013-02-13 | |
| 2010-12-31 | 24.46M shares derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-13 | 24.73M shares derived: average of 2 quarters · filed 2013-02-13 | 24.82M shares derived: average of 3 quarters · filed 2013-02-13 | 24.81M shares 10-K · filed 2013-02-13 | |
| 2010-09-30 | 25.00M shares 10-Q · filed 2011-11-02 | 25.00M shares derived: average of 2 quarters · filed 2011-11-02 | 24.93M shares 10-Q · filed 2011-11-02 | ||
| 2010-06-30 | 25.00M shares 10-Q · filed 2011-08-09 | 24.91M shares 10-Q · filed 2011-08-09 | |||
| 2009-12-31 | 24.71M shares 10-K · filed 2012-02-17 |
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