WEST PHARMACEUTICAL SERVICES INC (WST) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: April 23, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 0.27% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
72M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

WST currently has 72M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 0.27% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Apr 23, 2026

10-Q filing | 72.0M shares outstanding

72M 0
Jul 24, 2025

10-Q filing | 72.2M shares outstanding

72M 0
Apr 24, 2025

10-Q filing | 72.5M shares outstanding

73M 0
Feb 18, 2025

10-K filing | 73.0M shares outstanding

73M 0
Dec 13, 2024

8-K filing: On December 9, 2024, the Board of Directors approved a share repurchase program authorizing the repurchase of up to 550,000 shares of common stock.

73M 0
Oct 24, 2024

10-Q filing | 72.8M shares outstanding

73M 0
Jul 25, 2024

10-Q filing | 73.0M shares outstanding

73M 0
Apr 25, 2024

10-Q filing | 73.5M shares outstanding

74M 0
Feb 20, 2024

10-K filing | 74.3M shares outstanding

74M 0
Oct 26, 2023

10-Q filing | 74.3M shares outstanding

74M 0
Jul 27, 2023

10-Q filing | 74.3M shares outstanding

74M 0
Apr 27, 2023

10-Q filing | 74.5M shares outstanding

75M 0
Feb 21, 2023

10-K filing | 74.4M shares outstanding

74M 0
Oct 27, 2022

10-Q filing | 74.4M shares outstanding

74M 0
Jul 28, 2022

10-Q filing | 74.4M shares outstanding

74M 0
Apr 28, 2022

10-Q filing | 74.4M shares outstanding

74M 0
Feb 22, 2022

10-K filing | 74.4M shares outstanding

74M 0
Oct 28, 2021

10-Q filing | 74.1M shares outstanding

74M 0
Jul 30, 2021

10-Q filing | 74.0M shares outstanding

74M 0
Apr 30, 2021

10-Q filing | 73.9M shares outstanding

74M 0
Feb 23, 2021

10-K filing | 73.9M shares outstanding

74M 0
Dec 09, 2020

8-K filing: The Company's Board authorized a share repurchase program for calendar-year 2021 of up to 631,000 shares of the Company's common stock.

74M 0
Oct 23, 2020

10-Q filing | 73.9M shares outstanding

74M 0
Jul 24, 2020

10-Q filing | 73.8M shares outstanding

74M 0
Apr 24, 2020

10-Q filing | 73.9M shares outstanding

74M 0
Feb 24, 2020

10-K filing | 74.0M shares outstanding

74M 0
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