INNOSPEC INC. (IOSP) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: November 05, 2025

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 0.17% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

25M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

IOSP currently has 24.8M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 0.17% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
Nov 05, 2025	10-Q filing \| 24.8M shares outstanding	25M
Aug 06, 2025	10-Q filing \| 24.9M shares outstanding	25M
May 09, 2025	10-Q filing \| 25.0M shares outstanding	25M
Feb 19, 2025	10-K filing \| 24.9M shares outstanding	25M
Nov 06, 2024	10-Q filing \| 24.9M shares outstanding	25M
Aug 07, 2024	10-Q filing \| 24.9M shares outstanding	25M
May 10, 2024	10-Q filing \| 24.9M shares outstanding	25M
Feb 14, 2024	10-K filing \| 24.9M shares outstanding	25M
Nov 08, 2023	10-Q filing \| 24.9M shares outstanding	25M
Aug 09, 2023	10-Q filing \| 24.9M shares outstanding	25M
May 04, 2023	10-Q filing \| 24.8M shares outstanding	25M
Feb 22, 2023	10-K filing \| 24.8M shares outstanding	25M
Nov 09, 2022	10-Q filing \| 24.8M shares outstanding	25M
Aug 03, 2022	10-Q filing \| 24.8M shares outstanding	25M
May 04, 2022	10-Q filing \| 24.8M shares outstanding	25M
Feb 16, 2022	10-K filing \| 24.9M shares outstanding	25M
Nov 03, 2021	10-Q filing \| 24.6M shares outstanding	25M
Aug 04, 2021	10-Q filing \| 24.6M shares outstanding	25M
May 05, 2021	10-Q filing \| 24.6M shares outstanding	25M
Feb 17, 2021	10-K filing \| 24.6M shares outstanding	25M
Nov 04, 2020	10-Q filing \| 24.6M shares outstanding	25M
Aug 05, 2020	10-Q filing \| 24.6M shares outstanding	25M
May 06, 2020	10-Q filing \| 24.5M shares outstanding	25M
Feb 19, 2020	10-K filing \| 24.5M shares outstanding	24M

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