Abiopharma

🔍 MAETZOLD DEREK J (Executive)

Company: CASTLE BIOSCIENCES INC (CSTL)

Report Date: 2026-01-12

Detailed Transactions and Holdings:

• Acquired 62,219 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: A | equity_swap_involved: 0 | shares_owned_after: 91,732.00 | transaction_form_type: 4 | Footnotes: F1
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By The Maetzold Descendants 2020 Trust | shares_owned_after: 52,923.00 | Footnotes: F2
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By Derek Maetzold 2020 Irrevocable Trust | shares_owned_after: 44,986.00 | Footnotes: F3
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk | shares_owned_after: 3,618.00 | Footnotes: F4
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold | shares_owned_after: 3,615.00 | Footnotes: F5
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold | shares_owned_after: 3,615.00 | Footnotes: F6
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold | shares_owned_after: 3,615.00 | Footnotes: F7
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By DJM Grantor Retained Annuity Trust No. 5 | shares_owned_after: 85,959.00 | Footnotes: F8
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By DJM Grantor Retained Annuity Trust No. 6 | shares_owned_after: 18,718.00 | Footnotes: F9
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-01-12 | Code: H | nature_of_ownership: By DJM Grantor Retained Annuity Trust No. 7 | shares_owned_after: 44,323.00 | Footnotes: F10
• Acquired 62,219 shares of Performance-Based Stock Unit (Derivative)
  Date: 2026-01-12 | Code: A | equity_swap_involved: 0 | shares_owned_after: 62,219.00 | transaction_form_type: 4 | Footnotes: F11, F11, F11

Footnotes:

• 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 directors of the Issuer on January 12, 2026.
• 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.
• F3: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.
• 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.
• 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.
• 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.
• 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.
• F8: Held by DJM Grantor Retained Annuity Trust No. 5 of which the Reporting Person is the trustee and beneficiary.
• 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 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.
• F10: Held by DJM Grantor Retained Annuity Trust No. 7 of which the Reporting Person is the trustee and beneficiary.
• 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 milestones.