ADVANCED DRAINAGE SYSTEMS, INC. (WMS) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: May 21, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 0.28% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
78M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

WMS currently has 77.8M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 0.28% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 21, 2026

10-K filing | 77.8M shares outstanding

78M 0
Nov 06, 2025

10-Q filing | 77.8M shares outstanding

78M 0
Aug 07, 2025

10-Q filing | 77.6M shares outstanding

78M 0
May 15, 2025

10-K filing | 77.5M shares outstanding

78M 0
Feb 06, 2025

10-Q filing | 77.5M shares outstanding

78M 0
Nov 08, 2024

10-Q filing | 77.5M shares outstanding

78M 0
Aug 08, 2024

10-Q filing | 77.5M shares outstanding

78M 0
May 16, 2024

10-K filing | 78.3M shares outstanding

78M 0
Feb 08, 2024

10-Q filing | 77.9M shares outstanding

78M 0
Nov 02, 2023

10-Q filing | 78.6M shares outstanding

79M 0
Aug 03, 2023

10-Q filing | 78.9M shares outstanding

79M 0
May 18, 2023

10-K filing | 82.3M shares outstanding

82M 0
Feb 02, 2023

10-Q filing | 82.1M shares outstanding

82M 0
Nov 03, 2022

10-Q filing | 83.5M shares outstanding

83M 0
Aug 04, 2022

10-Q filing | 83.1M shares outstanding

83M 0
May 19, 2022

10-K filing | 84.4M shares outstanding

84M 0
May 19, 2022

8-K filing: On April 11, 2022, 15,629,190 outstanding shares of preferred stock were converted into 12,021,971 shares of common stock.

72M 0
Feb 03, 2022

10-Q filing | 71.3M shares outstanding

71M 0
Feb 03, 2022

8-K filing: Advanced Drainage Systems, Inc. authorized a cash contribution to the Advanced Drainage Systems, Inc. Employee Stock Ownership Plan (ESOP) to pay off the ESOP Loan, leading to the conversion of preferred stock into common stock.

72M 0
Nov 04, 2021

10-Q filing | 71.9M shares outstanding

72M 0
Aug 05, 2021

10-Q filing | 71.5M shares outstanding

72M 0
May 27, 2021

10-K filing | 71.6M shares outstanding

72M 0
Feb 04, 2021

10-Q filing | 70.5M shares outstanding

70M 0
Nov 05, 2020

10-Q filing | 70.8M shares outstanding

71M 0
Aug 06, 2020

10-Q filing | 69.4M shares outstanding

69M 0
Jun 01, 2020

10-K filing | 63.8M shares outstanding

64M 0
Feb 06, 2020

10-Q filing | 68.5M shares outstanding

69M 0
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