Aqua Metals shares outstanding AQMS

Diluted shares outstanding, averaged over each quarter, from 2014.

Aqua Metals had 376.4K diluted shares outstanding on average in Q4 FY21, the quarter to Dec 31, 2021.

That is 21.2% more than a year earlier, so each share owns a little less of the company.

Shares outstanding over time

Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.

Quarter	Ended	Shares outstanding	On a year earlier
Q4 FY21	Dec 31, 2021	376.4K	+21%
Q3 FY21	Sep 30, 2021	348K	+14%
Q2 FY21	Jun 30, 2021	340.8K	+13%
Q1 FY21	Mar 31, 2021	334.4K	+12%
Q4 FY20	Dec 31, 2020	310.7K	+8%
Q3 FY20	Sep 30, 2020	305K	+7%
Q2 FY20	Jun 30, 2020	300.7K	+18%
Q1 FY20	Mar 31, 2020	297.9K	+37%
Q4 FY19	Dec 31, 2019	287.6K	+48%
Q3 FY19	Sep 30, 2019	285.3K	+47%
Q2 FY19	Jun 30, 2019	253.8K	+68%
Q1 FY19	Mar 31, 2019	217.6K	+57%

Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.

A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.

Valuation data, not investment advice. Prices as of Oct 23, 2026. Reported figures come from the company's filings with the SEC.