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 14008 units of Castle Biosciences, Inc. securities around 2026-06-01, with aggregate market value of $293,747.76. The total outstanding units is 30329952.0. The amount planned to be sold represents 0.05% of total outstanding units; Recent transactions in past 3 months include: On 03/11/2026, sold 116 units for $3046.66; On 03/11/2026, sold 116 units for $3046.66; On 03/11/2026, sold 662 units for $17328.25; On 03/11/2026, sold 5408 units for $140070.44; On 03/11/2026, sold 3587 units for $93891.88; On 03/11/2026, sold 199 units for $5208.94; On 03/11/2026, sold 498 units for $13079.62; On 03/11/2026, sold 5676 units for $147027.70; On 03/11/2026, sold 2639 units for $69311.49; On 03/11/2026, sold 621 units for $16310.13; On 03/11/2026, sold 83 units for $2179.94; On 03/11/2026, sold 163 units for $4266.62; On 03/11/2026, sold 166 units for $4345.15; On 03/11/2026, sold 736 units for $19265.24; On 03/11/2026, sold 113 units for $2967.87; On 03/11/2026, sold 163 units for $4266.62; On 03/12/2026, sold 23179 units for $584548.88; On 03/13/2026, sold 13204 units for $335209.95; On 03/16/2026, sold 17575 units for $455350.68; On 03/17/2026, sold 18650 units for $482441.93; On 03/18/2026, sold 650 units for $16461.71; On 03/26/2026, sold 278 units for $7086.55; On 03/26/2026, sold 1357 units for $34591.56; On 03/26/2026, sold 550 units for $14020.16; On 03/26/2026, sold 278 units for $7086.55; On 03/26/2026, sold 278 units for $7086.55; On 03/26/2026, sold 1153 units for $29391.35; On 03/26/2026, sold 278 units for $7086.55; 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;