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$CSTL All transactions

CASTLE BIOSCIENCES INC

F

$ Value

$191K

Shares

6,792

Price

$28

Filed

Mar 5

Insider

Name

Oelschlager Kristen M

Title

Chief Operating Officer

CIK

0001856565

Roles

Officer

Transaction Details

Transaction Date

2026-03-04

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

39,047

Footnotes

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. | Includes 965 shares acquired on February 27, 2026, under the Issuer's employee stock purchase plan. | Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock. | Held by the Fritz Shorter Trust of which the Reporting Person and her spouse are the trustees and beneficiaries. | The RSU's vest in four equal annual installments beginning on March 03, 2027. | On March 4, 2024, the Reporting Person was granted 55,243 RSUs which vest in four equal installments beginning on March 4, 2025. | On March 4, 2025, the Reporting Person was granted 47,838 RSUs which vest in four equal installments beginning on March 4, 2026.

Filing Info

Accession No.

0001628280-26-015352

Form Type

4

Issuer CIK

0001447362

Oelschlager Kristen M's History

Date Ticker Type Value
2026-03-04 CSTL M
2026-03-04 CSTL F $191K
2026-03-04 CSTL M $0
2026-03-04 CSTL M $0
2026-03-03 CSTL F $67K
2026-03-03 CSTL A $0
2026-01-12 CSTL A $0
2026-01-12 CSTL A $0
2025-12-17 CSTL $585K
2025-12-10 CSTL M

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