Derek Maetzold plan to sell securities of Castle Biosciences, Inc. under Form 144
Derek Maetzold filed Form 144 to notify SEC of plan to sell 23844 units of Castle Biosciences, Inc. securities around 2026-07-01, with aggregate market value of $589,185.24. The total outstanding units is 30329952.0. The amount planned to be sold represents 0.08% of total outstanding units; Recent transactions in past 3 months include: On 04/06/2026, sold 278 units for $6941.34; On 04/06/2026, sold 278 units for $6941.34; On 04/06/2026, sold 278 units for $6941.34; On 04/06/2026, sold 1153 units for $28789.12; On 04/06/2026, sold 6214 units for $155156.64; On 04/06/2026, sold 1357 units for $33882.78; On 04/06/2026, sold 278 units for $6941.34; On 04/21/2026, sold 1357 units for $33975.31; On 04/21/2026, sold 278 units for $6960.30; On 04/21/2026, sold 1153 units for $28867.75; On 04/21/2026, sold 278 units for $6960.30; On 04/21/2026, sold 550 units for $13770.39; On 04/21/2026, sold 278 units for $6960.30; On 04/21/2026, sold 278 units for $6960.30; On 05/07/2026, sold 278 units for $6142.06; On 05/07/2026, sold 6214 units for $137290.52; On 05/07/2026, sold 278 units for $6142.06; On 05/07/2026, sold 1153 units for $25474.08; On 05/07/2026, sold 278 units for $6142.06; On 05/07/2026, sold 1357 units for $29981.21; On 05/07/2026, sold 278 units for $6142.06; On 05/20/2026, sold 322 units for $6421.25; On 05/20/2026, sold 66 units for $1316.16; On 05/20/2026, sold 66 units for $1316.16; On 05/20/2026, sold 273 units for $5444.10; On 05/20/2026, sold 66 units for $1316.16; On 05/20/2026, sold 66 units for $1316.16; On 05/20/2026, sold 130 units for $2592.43; On 05/21/2026, sold 212 units for $4268.74; On 05/21/2026, sold 212 units for $4268.74; On 05/21/2026, sold 212 units for $4268.74; On 05/21/2026, sold 1035 units for $20840.32; On 05/21/2026, sold 880 units for $17719.31; On 05/21/2026, sold 420 units for $8456.94; On 05/21/2026, sold 212 units for $4268.74; On 06/01/2026, sold 278 units for $5781.56; On 06/01/2026, sold 278 units for $5781.56; On 06/01/2026, sold 278 units for $5781.56; On 06/01/2026, sold 1153 units for $23978.90; On 06/01/2026, sold 1357 units for $28221.48; On 06/01/2026, sold 278 units for $5781.56; On 06/01/2026, sold 6214 units for $129232.37; On 06/15/2026, sold 278 units for $5726.07; On 06/15/2026, sold 278 units for $5726.07; On 06/15/2026, sold 278 units for $5726.07; On 06/15/2026, sold 278 units for $5726.07; On 06/15/2026, sold 1153 units for $23748.76; On 06/15/2026, sold 1357 units for $27950.63; On 06/15/2026, sold 550 units for $11328.55;