Derek J. Maetzold

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Friendswood, TX
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Frank Stokes, Attorney-in-fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Derek J. Maetzold

Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
85,959
Estimated value
$2,110,293
Report date
01 Jun 2026
Price
$24.55
Ownership
By DJM Grantor Retained Annuity Trust No. 5
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Restricted Stock Units
Shares / value
83,961
Estimated value
$1,946,635
Report date
04 Mar 2026
Price
$20.86
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Performance-Based Stock Unit
Shares / value
62,219
Estimated value
$1,797,369
Report date
12 Jan 2026
Price
$26.83
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
44,323
Estimated value
$1,088,129
Report date
15 Jun 2026
Price
$24.55
Ownership
By DJM Grantor Retained Annuity Trust No. 7
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
40,935
Estimated value
$1,004,954
Report date
15 Jun 2026
Price
$24.55
Ownership
By DJM Grantor Retained Annuity Trust No. 8
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
42,067
Estimated value
$869,104
Report date
15 Jun 2026
Price
$20.66
Ownership
By The Maetzold Descendants 2020 Trust
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
35,755
Estimated value
$738,698
Report date
15 Jun 2026
Price
$20.66
Ownership
By Derek Maetzold 2020 Irrevocable Trust
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
18,718
Estimated value
$459,526
Report date
15 Jun 2026
Price
$24.55
Ownership
By DJM Grantor Retained Annuity Trust No. 6
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
12,646
Estimated value
$261,266
Report date
15 Jun 2026
Price
$20.66
Ownership
By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
12,646
Estimated value
$261,266
Report date
15 Jun 2026
Price
$20.66
Ownership
By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
12,646
Estimated value
$261,266
Report date
15 Jun 2026
Price
$20.66
Ownership
By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Common Stock
Shares / value
12,646
Estimated value
$261,266
Report date
15 Jun 2026
Price
$20.66
Ownership
By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold
Form 4 holding Pres. & Chief Exec. Officer, Director

CASTLE BIOSCIENCES INC

Security class
Stock option (right to buy)
Shares / value
91,881
Estimated value
Report date
15 Jun 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Derek J. Maetzold

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .