Castle Biosciences (CSTL) Shares Outstanding (2018 - 2026)

Castle Biosciences has disclosed Shares Outstanding (Entity) across 9 years of filings, most recently posting $30.5 million for Q2 2026.

• In Q2 2026, Shares Outstanding (Entity) rose 5.27% year-over-year to $30.5 million; the TTM figure through Jun 2026 stood at $30.5 million (up 5.27% YoY), while the FY2025 annual figure was $29.7 million, up 4.22% from the prior year.
• Shares Outstanding (Entity) came in at $30.5 million for Q2 2026 at Castle Biosciences, up from $30.3 million in the prior quarter.
• In the past five years, Shares Outstanding (Entity) ranged from a high of $30.5 million in Q2 2026 to a low of $25.5 million in Q1 2022.
• Average Shares Outstanding (Entity) over 5 years is $27.9 million, with a median of $27.6 million recorded in 2024.
• Year-over-year, Shares Outstanding (Entity) advanced 1.72% in 2022 and rose 5.27% in 2026.
• Over 5 years, Shares Outstanding (Entity) stood at $26.6 million in 2022, then increased by 3.23% to $27.4 million in 2023, then gained by 3.91% to $28.5 million in 2024, then gained by 4.22% to $29.7 million in 2025, then grew by 2.77% to $30.5 million in 2026.
• Per Business Quant data, the three most recent Shares Outstanding (Entity) figures were $30.5 million in Q2 2026, $30.3 million in Q1 2026, and $29.7 million in Q4 2025.