CSTL Castle Biosciences

• None no insider bought on the open market
• $3M sold by 4 insiders outside a trading plan
• $16.7M sold by 4 insiders under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Derek J Maetzold Pres. & Chief Exec. Officer
   Planned sale
   $523K 14,496 shares at $36.10
   Traded Nov 2 Filed Nov 4
   ↗
3. Tobin W Juvenal Chief Commercial Officer
   Planned sale
   $240K 6,578 shares at $36.42 15% of stake
   Traded Oct 28 Filed Oct 30
   ↗
4. Tobin W Juvenal Chief Commercial Officer
   Planned sale
   $109K 3,288 shares at $33.08 6.7% of stake
   Traded Oct 26 Filed Oct 28
   ↗
5. Derek J Maetzold Pres. & Chief Exec. Officer
   Planned sale
   $463K 14,496 shares at $31.91
   Traded Oct 19 Filed Oct 21
   ↗
6. Tobin W Juvenal Chief Commercial Officer
   Planned sale
   $111K 3,288 shares at $33.64 6.3% of stake
   Traded Oct 12 Filed Oct 14
   ↗
7. Derek J Maetzold Pres. & Chief Exec. Officer
   Planned sale
   $516K 14,496 shares at $35.57
   Traded Oct 5 Filed Oct 7
   ↗
8. Kristen M Oelschlager COO
   Planned sale
   $149K 4,153 shares at $35.95 24% of stake
   Traded Oct 1 Filed Oct 5
   ↗
9. Tobin W Juvenal Chief Commercial Officer
   Planned sale
   $232K 6,577 shares at $35.29 11% of stake
   Traded Sep 29–30 Filed Oct 1
   ↗
10. Derek J Maetzold Pres. & Chief Exec. Officer
    Planned sale
    $512K 14,496 shares at $35.33
    Traded Sep 21 Filed Sep 23
    ↗
11. Tobin W Juvenal Chief Commercial Officer
    Planned sale
    $223K 6,600 shares at $33.73 10% of stake
    Traded Sep 14–15 Filed Sep 16
    ↗
12. Derek J Maetzold Pres. & Chief Exec. Officer
    Planned sale
    $465K 14,518 shares at $32.02
    Traded Sep 11 Filed Sep 15
    ↗
13. Kristen M Oelschlager COO
    Planned sale
    $139K 4,152 shares at $33.39 24% of stake
    Traded Sep 1 Filed Sep 3
    ↗
14. Tobin W Juvenal Chief Commercial Officer
    Planned sale
    $57K 1,730 shares at $32.81 2.6% of stake
    Traded Aug 31 Filed Sep 2
    ↗
15. Derek J Maetzold Pres. & Chief Exec. Officer
    Planned sale
    $616K 18,560 shares at $33.20
    Traded Aug 28 Filed Sep 1
    ↗
16. Tobin W Juvenal Chief Commercial Officer
    Planned sale
    $317K 9,050 shares at $35.04 12% of stake
    Traded Aug 25 Filed Aug 27
    ↗

Also filed in the last 12 months, not counted as buying or selling: 50 option exercises, 16 share withholdings for taxes, and 4 stock grants.