ESS Tech, Inc. (GWHT): Shares Outstanding

Annual figures by period end, from SEC filings.

Stock splits: 1-for-15, first reflected in a filing dated 2024-11-14. Figures are as filed: per-share figures and share counts last reported before a split are on the old share basis, so changes and growth rates across a split are not shown. Splits are read from the filings' own restatements, so a share conversion in a merger or reorganization shows up the same way.

22.38M

As of 2025-12-31

32.89M

As of 2026-06-30

2020-12-31 Shares Outstanding (shares) 2025-12-31

Paler bars were last filed before a stock split, on the old share basis.

Period ended	Shares Outstanding	Change YoY	Source filing
2025-12-31	22.38M	+86.7%	2026-03-05, Balance as of period end
2024-12-31	11.99M	+3.2%	2026-03-05, Balance as of period end
2023-12-31	11.61M	n/c	2025-03-31, Balance as of period end
2022-12-31	153.82M	+1.3%	2024-03-14, Balance as of period end
2021-12-31	151.84M	+157.7%	2023-03-02, Balance as of period end
2020-12-31	58.92M	n/a	2022-03-04, Balance as of period end