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$CSTL All transactions

CASTLE BIOSCIENCES INC

A

$ Value

$0

Shares

62,219

Price

$0

Filed

Jan 14

Insider

Name

MAETZOLD DEREK J

Title

Pres. & Chief Exec. Officer

CIK

0001239501

Roles

Director Officer

Transaction Details

Transaction Date

2026-01-12

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

91,732

Footnotes

Represents 50% of the Performance-Based Stock Units ("PSUs") granted on March 4, 2024 ("2024 PSUs") that vested based on the satisfaction of certain performance criteria as certified by the board of directors of the Issuer on January 12, 2026. | Held by The Maetzold Descendants 2020 Trust of which the Reporting Person's spouse is the trustee and the Reporting Person's spouse and their children are beneficiaries. | Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries. | Held by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk of which the Reporting Person is the trustee and his child is the beneficiary. | Held by The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. | Held by The Maetzold 2018 Remainder Trust FBO John Derek Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. | Held by The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. | Held by DJM Grantor Retained Annuity Trust No. 5 of which the Reporting Person is the trustee and beneficiary. | Held by DJM Grantor Retained Annuity Trust No. 6 of which the Reporting Person is the trustee and the beneficiaries are The Maetzold 2018 Remainder Trust FBO John Derek Maetzold, The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk, The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold and The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold. | Held by DJM Grantor Retained Annuity Trust No. 7 of which the Reporting Person is the trustee and beneficiary. | Each PSU represents the right to receive one share of the Issuer's Common Stock. These PSUs represent the remaining 50% of the 2024 PSUs which will vest subject to the achievement of certain milestones.

Filing Info

Accession No.

0001239501-26-000002

Form Type

4

Issuer CIK

0001447362

MAETZOLD DEREK J's History

Date Ticker Type Value
2026-04-21 CSTL M $1K
2026-04-21 CSTL $14K
2026-04-21 CSTL $34K
2026-04-21 CSTL $29K
2026-04-21 CSTL $7K
2026-04-21 CSTL $7K
2026-04-21 CSTL $7K
2026-04-21 CSTL $7K
2026-04-21 CSTL M $0
2026-04-06 CSTL M $15K

Other Insiders at CSTL (90d)

Insider Bought Sold Last
MAETZOLD DEREK J
Pres. & Chief Exec. Officer
$616K 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
2026-03-04
Oelschlager Kristen M
Chief Operating Officer
2026-03-04
Cotton Rodney 2026-03-26