AMTECH SYSTEMS INC (ASYS) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: June 03, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 1.68% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

14M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

ASYS currently has 14.4M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 1.68% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
Jun 03, 2026	8-K filing: Amtech Systems, Inc. completed an underwritten public offering of 2,926,829 shares of common stock at a price of $20.50 per share, resulting in gross proceeds of approximately $60 million. ($60.0M proceeds)	14M
May 07, 2026	10-Q filing \| 14.4M shares outstanding	14M
Dec 10, 2025	10-K filing \| 14.3M shares outstanding	14M
Aug 06, 2025	10-Q filing \| 14.3M shares outstanding	14M
May 12, 2025	10-Q filing \| 14.3M shares outstanding	14M
Feb 05, 2025	10-Q filing \| 14.3M shares outstanding	14M
Dec 12, 2024	10-K filing \| 14.2M shares outstanding	14M
Aug 07, 2024	10-Q filing \| 14.2M shares outstanding	14M
May 08, 2024	10-Q filing \| 14.2M shares outstanding	14M
Feb 09, 2024	10-Q filing \| 14.2M shares outstanding	14M
Dec 14, 2023	10-K filing \| 14.1M shares outstanding	14M
Aug 09, 2023	10-Q filing \| 14.1M shares outstanding	14M
May 10, 2023	10-Q filing \| 14.0M shares outstanding	14M
Feb 08, 2023	10-Q filing \| 14.0M shares outstanding	14M
Nov 30, 2022	10-K filing \| 14.0M shares outstanding	14M
Aug 15, 2022	10-Q filing \| 13.9M shares outstanding	14M
May 11, 2022	10-Q filing \| 14.0M shares outstanding	14M
Feb 14, 2022	10-Q filing \| 14.3M shares outstanding	14M
Nov 17, 2021	10-K filing \| 14.3M shares outstanding	14M
Aug 04, 2021	10-Q filing \| 14.2M shares outstanding	14M
May 05, 2021	10-Q filing \| 14.2M shares outstanding	14M
Feb 11, 2021	10-Q filing \| 14.1M shares outstanding	14M
Nov 19, 2020	10-K filing \| 14.2M shares outstanding	14M
Aug 06, 2020	10-Q filing \| 14.2M shares outstanding	14M
May 07, 2020	10-Q filing \| 14.2M shares outstanding	14M
Feb 06, 2020	10-Q filing \| 14.3M shares outstanding	14M

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