Weighted Average Number of Shares Outstanding, Basic of INNOSPEC INC. from Q2 2010 to Q3 2025

Taxonomy & unit
us-gaap: shares
Description
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary
Innospec Inc. quarterly/annual Weighted Average Number of Shares Outstanding, Basic history and change rate from Q2 2010 to Q3 2025.
  • Innospec Inc. Weighted Average Number of Shares Outstanding, Basic for the quarter ending 30 Sep 2025 was 24.8M shares, a 0.43% decline year-over-year.
  • Innospec Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 24.9M shares, a 0.33% increase from 2023.
  • Innospec Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 24.9M shares, a 0.26% increase from 2022.
  • Innospec Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2022 was 24.8M shares, a 0.57% increase from 2021.
Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Basic, Annual (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Annual Change (%)

INNOSPEC INC. Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed
Q3 2025 24.8M -107K -0.43% 01 Jul 2025 30 Sep 2025 10-Q 05 Nov 2025
Q2 2025 24.9M 0 0% 01 Apr 2025 30 Jun 2025 10-Q 06 Aug 2025
Q1 2025 25M +77K +0.31% 01 Jan 2025 31 Mar 2025 10-Q 09 May 2025
Q4 2024 24.9M +81K +0.33% 01 Oct 2024 31 Dec 2024 10-K 19 Feb 2025
Q3 2024 24.9M +75K +0.3% 01 Jul 2024 30 Sep 2024 10-Q 05 Nov 2025
Q2 2024 24.9M +69K +0.28% 01 Apr 2024 30 Jun 2024 10-Q 06 Aug 2025
Q1 2024 24.9M +92K +0.37% 01 Jan 2024 31 Mar 2024 10-Q 09 May 2025
Q4 2023 24.9M +64K +0.26% 01 Oct 2023 31 Dec 2023 10-K 19 Feb 2025
Q3 2023 24.9M +80K +0.32% 01 Jul 2023 30 Sep 2023 10-Q 06 Nov 2024
Q2 2023 24.9M +63K +0.25% 01 Apr 2023 30 Jun 2023 10-Q 07 Aug 2024
Q1 2023 24.8M +10K +0.04% 01 Jan 2023 31 Mar 2023 10-Q 10 May 2024
Q4 2022 24.8M +140K +0.57% 01 Oct 2022 31 Dec 2022 10-K 19 Feb 2025
Q3 2022 24.8M +143K +0.58% 01 Jul 2022 30 Sep 2022 10-Q 08 Nov 2023
Q2 2022 24.8M +177K +0.72% 01 Apr 2022 30 Jun 2022 10-Q 09 Aug 2023
Q1 2022 24.8M +190K +0.77% 01 Jan 2022 31 Mar 2022 10-Q 04 May 2023
Q4 2021 24.6M +84K +0.34% 01 Oct 2021 31 Dec 2021 10-K 14 Feb 2024
Q3 2021 24.6M +73K +0.3% 01 Jul 2021 30 Sep 2021 10-Q 09 Nov 2022
Q2 2021 24.6M +64K +0.26% 01 Apr 2021 30 Jun 2021 10-Q 03 Aug 2022
Q1 2021 24.6M +72K +0.29% 01 Jan 2021 31 Mar 2021 10-Q 04 May 2022
Q4 2020 24.6M +81K +0.33% 01 Oct 2020 31 Dec 2020 10-K 22 Feb 2023
Q3 2020 24.6M +79K +0.32% 01 Jul 2020 30 Sep 2020 10-Q 03 Nov 2021
Q2 2020 24.6M +81K +0.33% 01 Apr 2020 30 Jun 2020 10-Q 04 Aug 2021
Q1 2020 24.5M +92K +0.38% 01 Jan 2020 31 Mar 2020 10-Q 05 May 2021
Q4 2019 24.5M +81K +0.33% 01 Oct 2019 31 Dec 2019 10-K 16 Feb 2022
Q3 2019 24.5M +72K +0.3% 01 Jul 2019 30 Sep 2019 10-Q 04 Nov 2020
Q2 2019 24.5M +74K +0.3% 01 Apr 2019 30 Jun 2019 10-Q 05 Aug 2020
Q1 2019 24.4M +68K +0.28% 01 Jan 2019 31 Mar 2019 10-Q 06 May 2020
Q4 2018 24.4M +253K +1.05% 01 Oct 2018 31 Dec 2018 10-K 17 Feb 2021
Q3 2018 24.4M +282K +1.17% 01 Jul 2018 30 Sep 2018 10-Q 06 Nov 2019
Q2 2018 24.4M +276K +1.14% 01 Apr 2018 30 Jun 2018 10-Q 06 Aug 2019
Q1 2018 24.4M +282K +1.17% 01 Jan 2018 31 Mar 2018 10-Q 08 May 2019
Q4 2017 24.1M +150K +0.63% 01 Oct 2017 31 Dec 2017 10-K 19 Feb 2020
Q3 2017 24.1M +160K +0.67% 01 Jul 2017 30 Sep 2017 10-Q 07 Nov 2018
Q2 2017 24.1M +160K +0.67% 01 Apr 2017 30 Jun 2017 10-Q 08 Aug 2018
Q1 2017 24.1M +68K +0.28% 01 Jan 2017 31 Mar 2017 10-Q 09 May 2018
Q4 2016 24M -109K -0.45% 01 Oct 2016 31 Dec 2016 10-K 20 Feb 2019
Q3 2016 24M -144K -0.6% 01 Jul 2016 30 Sep 2016 10-Q 08 Nov 2017
Q2 2016 24M -229K -0.95% 01 Apr 2016 30 Jun 2016 10-Q 09 Aug 2017
Q1 2016 24M -282K -1.16% 01 Jan 2016 31 Mar 2016 10-Q 10 May 2017
Q4 2015 24.1M -284K -1.16% 01 Oct 2015 31 Dec 2015 10-K 15 Feb 2018
Q3 2015 24.1M -299K -1.22% 01 Jul 2015 30 Sep 2015 10-Q 03 Nov 2016
Q2 2015 24.2M -199K -0.82% 01 Apr 2015 30 Jun 2015 10-Q 03 Aug 2016
Q1 2015 24.3M -61K -0.25% 01 Jan 2015 31 Mar 2015 10-Q 04 May 2016
Q4 2014 24.4M +740K +3.13% 01 Oct 2014 31 Dec 2014 10-K 15 Feb 2017
Q3 2014 24.4M +799K +3.38% 01 Jul 2014 30 Sep 2014 10-Q 04 Nov 2015
Q2 2014 24.4M +873K +3.71% 01 Apr 2014 30 Jun 2014 10-Q 05 Aug 2015
Q1 2014 24.4M +958K +4.09% 01 Jan 2014 31 Mar 2014 10-Q 06 May 2015
Q4 2013 23.7M +464K +2% 01 Oct 2013 31 Dec 2013 10-K 17 Feb 2016
Q3 2013 23.6M +381K +1.64% 01 Jul 2013 30 Sep 2013 10-Q 05 Nov 2014
Q2 2013 23.5M +381K +1.65% 01 Apr 2013 30 Jun 2013 10-Q 06 Aug 2014
Q1 2013 23.4M +349K +1.51% 01 Jan 2013 31 Mar 2013 10-Q 07 May 2014
Q4 2012 23.2M -381K -1.62% 01 Oct 2012 31 Dec 2012 10-K 17 Feb 2015
Q3 2012 23.2M -471K -1.99% 01 Jul 2012 30 Sep 2012 10-Q 06 Nov 2013
Q2 2012 23.1M -579K -2.44% 01 Apr 2012 30 Jun 2012 10-Q 08 Aug 2013
Q1 2012 23.1M -600K -2.54% 01 Jan 2012 31 Mar 2012 10-Q/A 08 Aug 2013
Q4 2011 23.6M 01 Oct 2011 31 Dec 2011 10-K 13 Feb 2014
Q3 2011 23.7M -94K -0.4% 01 Jul 2011 30 Sep 2011 10-Q 01 Nov 2012
Q2 2011 23.7M -55K -0.23% 01 Apr 2011 30 Jun 2011 10-Q 09 Aug 2012
Q1 2011 23.7M 01 Jan 2011 31 Mar 2011 10-Q 08 May 2012
Q3 2010 23.8M 01 Jul 2010 30 Sep 2010 10-Q 02 Nov 2011
Q2 2010 23.8M 01 Apr 2010 30 Jun 2010 10-Q 09 Aug 2011

INNOSPEC INC. Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed
2024 24.9M +81K +0.33% 01 Jan 2024 31 Dec 2024 10-K 19 Feb 2025
2023 24.9M +64K +0.26% 01 Jan 2023 31 Dec 2023 10-K 19 Feb 2025
2022 24.8M +140K +0.57% 01 Jan 2022 31 Dec 2022 10-K 19 Feb 2025
2021 24.6M +84K +0.34% 01 Jan 2021 31 Dec 2021 10-K 14 Feb 2024
2020 24.6M +81K +0.33% 01 Jan 2020 31 Dec 2020 10-K 22 Feb 2023
2019 24.5M +81K +0.33% 01 Jan 2019 31 Dec 2019 10-K 16 Feb 2022
2018 24.4M +253K +1.05% 01 Jan 2018 31 Dec 2018 10-K 17 Feb 2021
2017 24.1M +150K +0.63% 01 Jan 2017 31 Dec 2017 10-K 19 Feb 2020
2016 24M -109K -0.45% 01 Jan 2016 31 Dec 2016 10-K 20 Feb 2019
2015 24.1M -284K -1.16% 01 Jan 2015 31 Dec 2015 10-K 15 Feb 2018
2014 24.4M +740K +3.13% 01 Jan 2014 31 Dec 2014 10-K 15 Feb 2017
2013 23.7M +464K +2% 01 Jan 2013 31 Dec 2013 10-K 17 Feb 2016
2012 23.2M -381K -1.62% 01 Jan 2012 31 Dec 2012 10-K 17 Feb 2015
2011 23.6M -188K -0.79% 01 Jan 2011 31 Dec 2011 10-K 13 Feb 2014
2010 23.8M 01 Jan 2010 31 Dec 2010 10-K 13 Feb 2013
* An asterisk sign (*) next to the value indicates that the value is likely invalid.