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CASTLE BIOSCIENCES INC (CSTL) — Shares Outstanding

Annual figures by fiscal year, from SEC filings.

2018: 1.92M2019: 17.13M2020: 24.81M2021: 25.38M2022: 26.55M2023: 27.41M2024: 28.48M2025: 29.69M29.69M
2018Shares Outstanding (shares)2025
Fiscal YearShares OutstandingChange YoY
202529.69M+4.2%
202428.48M+3.9%
202327.41M+3.2%
202226.55M+4.6%
202125.38M+2.3%
202024.81M+44.8%
201917.13M+794.0%
20181.92M—