Atmus Filtration Technologies Inc. (ATMU) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: May 01, 2026

Risk Assessment Details

Potential Dilution: 2.6% of current shares

Recent Dilution: 0% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

82M

Potential Supply

2.1M

Additional shares possible

Splits

None

Past 2 years

Summary

ATMU currently has 81.6M outstanding shares. with limited dilution risk as only 2.12M additional shares (2.6%) are authorized for issuance. The company has not diluted shareholders through share issuances in the past 2 years, which is positive for existing holders.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding	Supply
May 01, 2026	10-Q filing \| 81.6M shares outstanding	82M	2.1M
Nov 07, 2025	10-Q filing \| 82.0M shares outstanding	82M	2.1M
Aug 08, 2025	10-Q filing \| 82.5M shares outstanding	83M	2.1M
May 02, 2025	10-Q filing \| 82.8M shares outstanding	83M	2.1M
Feb 21, 2025	10-K filing \| 83.2M shares outstanding	83M	2.1M
Nov 08, 2024	10-Q filing \| 83.2M shares outstanding	83M	2.1M
Aug 02, 2024	10-Q filing \| 83.4M shares outstanding	83M	2.1M
May 03, 2024	10-Q filing \| 83.3M shares outstanding	83M	2.1M
Feb 14, 2024	10-K filing \| 83.3M shares outstanding	83M	2.1M
Nov 03, 2023	10-Q filing \| 83.3M shares outstanding	83M	2.1M
Aug 09, 2023	10-Q filing \| 83.3M shares outstanding	83M	2.1M
Jun 01, 2023	8-K filing: Atmus issued 83,297,696 shares of Common Stock to Cummins as consideration for the filtration business in connection with the IPO, and also paid Cummins existing cash plus the net proceeds of a $600 million Term Loan and $50 million drawdown under a Revolving Credit Facility.	N/A	2.1M
May 16, 2023	S-1/A filing: S-1/A filing for common stock offering, including an option for underwriters to purchase additional shares from debt-for-equity exchange parties.	N/A	2.1M
Mar 31, 2023	S-1/A filing: This is an S-1/A filing for an initial public offering involving the issuance of common stock to Cummins in exchange for assets and liabilities related to its filtration business.	N/A	0
Feb 21, 2023	S-1 filing: S-1 filing for an option to purchase additional shares of common stock, with underwriters having the option to purchase additional shares from debt-for-equity exchange parties.	N/A	0

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