Castle Biosciences Inc (CSTL): Shares Outstanding

Annual figures by period end, from SEC filings.

29.69M
As of 2025-12-31
30.51M
As of 2026-06-30
+3.8%
3-year compound annual growth
+3.7%
5-year compound annual growth
2018-12-31: 1.92M2019-12-31: 17.13M2020-12-31: 24.81M2021-12-31: 25.38M2022-12-31: 26.55M2023-12-31: 27.41M2024-12-31: 28.48M2025-12-31: 29.69M29.69M
2018-12-31 Shares Outstanding (shares) 2025-12-31
Period endedShares OutstandingChange YoYSource filing
2025-12-3129.69M+4.2%2026-02-26, Balance as of period end
2024-12-3128.48M+3.9%2026-02-26, Balance as of period end
2023-12-3127.41M+3.2%2025-02-27, Balance as of period end
2022-12-3126.55M+4.6%2024-02-28, Balance as of period end
2021-12-3125.38M+2.3%2023-02-28, Balance as of period end
2020-12-3124.81Mn/c2022-02-28, Balance as of period end
2019-12-3117.13M+794.0%2021-03-11, Balance as of period end
2018-12-311.92Mn/a2020-03-10, Balance as of period end