Transaction · 0001239501-26-000002

MAETZOLD DEREK J

MAETZOLD DEREK J, PRES, CEO, reported a transaction classified as grant at CASTLE BIOSCIENCES INC involving 62219.000000 shares for an estimated $0.00. Reported holdings after the transaction were 62219.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code APRES, CEO
CSTLCASTLE BIOSCIENCES INC
Filing timeJan 14
Trade dateJan 12, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
Pre-filing
Returns since

CSTL price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
CSTL since 2026-01-14Filed 232 days ago · 30 days of pre-filing context shaded
Loading…
Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
grant
Code A
Identifier
0001239501-26-000002
Performance-Based Stock Unit
Transaction date
Jan 12, 2026
Filed Jan 14, 2026, 09:30 PM · 2d delay
Shares
62.2k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
62.2k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership Large Holdings Increase
-6score
Filing-only score

-6

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Pres. & Chief Exec. Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    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 d…

  2. F2

    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.

  3. F3

    Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

  4. F4

    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.

  5. F5

    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.

  6. F6

    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.

  7. F7

    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.

  8. F8

    Held by DJM Grantor Retained Annuity Trust No. 5 of which the Reporting Person is the trustee and beneficiary.

  9. F9

    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 Rem…

  10. F10

    Held by DJM Grantor Retained Annuity Trust No. 7 of which the Reporting Person is the trustee and beneficiary.

  11. F11

    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 milestone…

Original filing · 0001239501-26-000002
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

CSTL