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$CSTL All transactions

CASTLE BIOSCIENCES INC

M 10b5-1 Plan

$ Value

$2K

Shares

500

Price

$3

Filed

Nov 14

Insider

Name

Juvenal Tobin W

Title

Chief Commercial Officer

CIK

0001856542

Roles

Officer

Transaction Details

Transaction Date

2025-11-11

Code

M

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

85,027

Footnotes

This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 11, 2024. | This transaction was executed in multiple trades at prices ranging from $35.38 to $35.40, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed at a price of $35.40. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | Held by Tobin W and Susan M Juvenal Family Revocable Trust of which the Reporting Person and his spouse are the trustees and the Reporting Person, his spouse and their children are the beneficiaries. | The exercise of the options was inadvertently omitted from the original Form 4 filing and is now being reported in this Amendment. | The shares subject to the option are fully vested.

Filing Info

Accession No.

0001628280-25-052350

Form Type

4/A

Issuer CIK

0001447362

Juvenal Tobin W's History

Date Ticker Type Value
2026-03-12 CSTL $527K
2026-03-04 CSTL M
2026-03-04 CSTL F $293K
2026-03-04 CSTL M $0
2026-03-04 CSTL M $0
2026-03-03 CSTL F $102K
2026-03-03 CSTL A $0
2026-01-12 CSTL A $0
2026-01-12 CSTL A $0
2025-12-11 CSTL $495K

Other Insiders at CSTL (90d)

Insider Bought Sold Last
MAETZOLD DEREK J
Pres. & Chief Exec. Officer
$3.0M 2026-04-21
Cole G Bradley $211K 2026-03-05
Stokes Frank
Chief Financial Officer
$360K 2026-03-05
Juvenal Tobin W
Chief Commercial Officer
$527K 2026-03-12
Oelschlager Kristen M
Chief Operating Officer
2026-03-04
Cotton Rodney 2026-03-26