Juvenal Tobin W 4
4 · CASTLE BIOSCIENCES INC · Filed Mar 5, 2026
Insider Transaction Report
Form 4
Juvenal Tobin W
Chief Commercial Officer
Transactions
- Tax Payment
Common Stock
[F1]2026-03-03$27.57/sh−3,716$102,450→ 92,316 total - Exercise/Conversion
Common Stock
[F2]2026-03-04+25,771→ 118,087 total - Tax Payment
Common Stock
2026-03-04$28.17/sh−10,399$292,940→ 107,688 total - Award
Restricted Stock Units
[F2][F3]2026-03-03+48,367→ 48,367 total→ Common Stock (48,367 underlying) - Exercise/Conversion
Restricted Stock Units
[F2][F4]2026-03-04−13,811→ 27,621 total→ Common Stock (13,811 underlying) - Exercise/Conversion
Restricted Stock Units
[F2][F5]2026-03-04−11,960→ 35,878 total→ Common Stock (11,960 underlying)
Footnotes (5)
- [F1]Reflects the withholding of shares of the Issuer's common stock to satisfy tax withholding obligations in connection with the delivery of vested performance stock units reported on January 12, 2026.
- [F2]Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.
- [F3]The RSU's vest in four equal annual installments beginning on March 03, 2027.
- [F4]On March 4, 2024, the Reporting Person was granted 55,243 RSUs which vest in four equal installments beginning on March 4, 2025.
- [F5]On March 4, 2025, the Reporting Person was granted 47,838 RSUs which vest in four equal installments beginning on March 4, 2026.
Signature
/s/ Frank Stokes, Attorney-in-fact|2026-03-05