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person · Reporting owner

MAETZOLD DEREK J

Disclosed activity across 1 company

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17918
SEC CIK
0001239501

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
CASTLE BIOSCIENCES INCCSTL · Entity 359Director · Pres. & Chief Exec. OfficerOctober 05, 2026October 07, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

CASTLE BIOSCIENCES INC

Report date October 05, 2026 · Filed October 07, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect21,064 Ending reported balance After 2026-10-05 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-10-05 · Exercise / conversion · Acquired 8,165 · Balance 29,644

F1: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2026.

Row 2 · 2026-10-05 · Sale · Disposed 8,580 · Balance 21,064

F1: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2026.

F2: This transaction was executed in multiple trades at prices ranging from $35.310 to $35.965, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Common StockSEC Table I · non-derivativeIndirectBy The Maetzold Descendants 2020 Trust8,038 Reported balance After 2026-10-05 transaction · row 3 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 3 · 2026-10-05 · Sale · Disposed 3,198 · Balance 8,038

F1: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2026.

F2: This transaction was executed in multiple trades at prices ranging from $35.310 to $35.965, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3: 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.

Common StockSEC Table I · non-derivativeIndirectBy Derek Maetzold 2020 Irrevocable Trust6,832 Reported balance After 2026-10-05 transaction · row 4 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 4 · 2026-10-05 · Sale · Disposed 2,718 · Balance 6,832

F1: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2026.

F2: This transaction was executed in multiple trades at prices ranging from $35.310 to $35.965, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

Stock option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $2.39 · Expires 2028-05-09Direct0 Reported balance After 2026-10-05 transaction · row 13 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 13 · 2026-10-05 · Exercise / conversion · Disposed 8,165 · Balance 0

F1: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2026.

F13: The shares subject to the option are fully vested.

Common StockSEC Table I · non-derivativeIndirectBy The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk11,256 Reported balance Holding disclosure · report date 2026-10-05 · row 5 Holding and transaction disclosures are not merged.
1 source row

Row 5 · Balance 11,256

F5: 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.

Common StockSEC Table I · non-derivativeIndirectBy The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold11,256 Reported balance Holding disclosure · report date 2026-10-05 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 11,256

F6: 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.

Common StockSEC Table I · non-derivativeIndirectBy The Maetzold 2018 Remainder Trust FBO John Derek Maetzold11,256 Reported balance Holding disclosure · report date 2026-10-05 · row 7 Holding and transaction disclosures are not merged.
1 source row

Row 7 · Balance 11,256

F7: 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.

Common StockSEC Table I · non-derivativeIndirectBy The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold11,256 Reported balance Holding disclosure · report date 2026-10-05 · row 8 Holding and transaction disclosures are not merged.
1 source row

Row 8 · Balance 11,256

F8: 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.

Common StockSEC Table I · non-derivativeIndirectBy DJM Grantor Retained Annuity Trust No. 611,963 Reported balance Holding disclosure · report date 2026-10-05 · row 9 Holding and transaction disclosures are not merged.
1 source row

Row 9 · Balance 11,963

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.

Common StockSEC Table I · non-derivativeIndirectBy DJM Grantor Retained Annuity Trust No. 727,862 Reported balance Holding disclosure · report date 2026-10-05 · row 10 Holding and transaction disclosures are not merged.
1 source row

Row 10 · Balance 27,862

F10: Held by DJM Grantor Retained Annuity Trust No. 7 of which the Reporting Person is the trustee and beneficiary.

Common StockSEC Table I · non-derivativeIndirectBy DJM Grantor Retained Annuity Trust No. 840,935 Reported balance Holding disclosure · report date 2026-10-05 · row 11 Holding and transaction disclosures are not merged.
1 source row

Row 11 · Balance 40,935

F11: Held by DJM Grantor Retained Annuity Trust No. 8 of which the Reporting Person is the trustee and beneficiary.

Common StockSEC Table I · non-derivativeIndirectDJM Grantor Retained Annuity Trust No. 923,216 Reported balance Holding disclosure · report date 2026-10-05 · row 12 Holding and transaction disclosures are not merged.
1 source row

Row 12 · Balance 23,216

F12: Held by DJM Grantor Retained Annuity Trust No. 9 of which the Reporting Person is the trustee and beneficiary.

Filing footnotes · ownership attribution and instrument terms

F1: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 2, 2026.

F2: This transaction was executed in multiple trades at prices ranging from $35.310 to $35.965, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3: 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.

F4: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

F5: 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.

F6: 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.

F7: 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.

F8: 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.

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: Held by DJM Grantor Retained Annuity Trust No. 8 of which the Reporting Person is the trustee and beneficiary.

F12: Held by DJM Grantor Retained Annuity Trust No. 9 of which the Reporting Person is the trustee and beneficiary.

F13: The shares subject to the option are fully vested.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
February 10, 2023 Filed Feb 14, 2023 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,244 $26.17 $32,556.72
Disclosure

SEC source: 0001447362-23-000017 · wf-form4_167640943529038.xml · nonDerivative · entry 2

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold Descendants 2020 Trust

Disclosed balance after: 120,686

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $25.880 to $26.515, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: 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.

Read SEC document
February 10, 2023 Filed Feb 14, 2023 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 2,489 $26.17 $65,139.62
Disclosure

SEC source: 0001447362-23-000017 · wf-form4_167640943529038.xml · nonDerivative · entry 1

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,244

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $25.880 to $26.515, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
February 01, 2023 Filed Feb 3, 2023 21:22 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 698 $27.11 $18,920.69
Disclosure

SEC source: 0001447362-23-000015 · wf-form4_167545930698476.xml · nonDerivative · entry 7

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold

Disclosed balance after: 24,393

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $26.830 to $27.555, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 · ownership.nature: 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.

Read SEC document
February 01, 2023 Filed Feb 3, 2023 21:22 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 698 $27.11 $18,920.69
Disclosure

SEC source: 0001447362-23-000015 · wf-form4_167545930698476.xml · nonDerivative · entry 6

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold

Disclosed balance after: 24,401

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $26.830 to $27.555, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 · ownership.nature: 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.

Read SEC document
February 01, 2023 Filed Feb 3, 2023 21:22 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 698 $27.11 $18,920.69
Disclosure

SEC source: 0001447362-23-000015 · wf-form4_167545930698476.xml · nonDerivative · entry 5

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold

Disclosed balance after: 24,401

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $26.830 to $27.555, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 · ownership.nature: 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.

Read SEC document
February 01, 2023 Filed Feb 3, 2023 21:22 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 699 $27.11 $18,947.79
Disclosure

SEC source: 0001447362-23-000015 · wf-form4_167545930698476.xml · nonDerivative · entry 4

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk

Disclosed balance after: 24,399

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $26.830 to $27.555, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · ownership.nature: 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.

Read SEC document
February 01, 2023 Filed Feb 3, 2023 21:22 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,398 $27.11 $37,895.59
Disclosure

SEC source: 0001447362-23-000015 · wf-form4_167545930698476.xml · nonDerivative · entry 3

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Derek Maetzold 2020 Irrevocable Trust

Disclosed balance after: 110,825

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $26.830 to $27.555, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

Read SEC document
February 01, 2023 Filed Feb 3, 2023 21:22 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,398 $27.11 $37,895.59
Disclosure

SEC source: 0001447362-23-000015 · wf-form4_167545930698476.xml · nonDerivative · entry 2

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold Descendants 2020 Trust

Disclosed balance after: 121,930

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $26.830 to $27.555, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · ownership.nature: 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.

Read SEC document
February 01, 2023 Filed Feb 3, 2023 21:22 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 2,795 $27.11 $75,764.07
Disclosure

SEC source: 0001447362-23-000015 · wf-form4_167545930698476.xml · nonDerivative · entry 1

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,733

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $26.830 to $27.555, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · balance_after: On June 6, 2022, the Reporting Person transferred 130,000 shares of Castle Biosciences, Inc. common stock that was previously not reported to the DJM Grantor Retained Annuity Trust No. 4 of which the Reporting Person is trustee and beneficiary.

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January 03, 2023 Filed Jan 5, 2023 22:21 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 375 $22.90 $8,587.50
Disclosure

SEC source: 0001447362-23-000002 · wf-form4_167295726638812.xml · nonDerivative · entry 7

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold

Disclosed balance after: 25,093

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.60 to $23.57, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 · ownership.nature: 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.

Read SEC document
January 03, 2023 Filed Jan 5, 2023 22:21 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 375 $22.90 $8,587.50
Disclosure

SEC source: 0001447362-23-000002 · wf-form4_167295726638812.xml · nonDerivative · entry 6

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold

Disclosed balance after: 25,097

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.60 to $23.57, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 · ownership.nature: 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.

Read SEC document
January 03, 2023 Filed Jan 5, 2023 22:21 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 375 $22.90 $8,587.50
Disclosure

SEC source: 0001447362-23-000002 · wf-form4_167295726638812.xml · nonDerivative · entry 5

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold

Disclosed balance after: 25,097

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.60 to $23.57, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · ownership.nature: 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.

Read SEC document
January 03, 2023 Filed Jan 5, 2023 22:21 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 375 $22.90 $8,587.50
Disclosure

SEC source: 0001447362-23-000002 · wf-form4_167295726638812.xml · nonDerivative · entry 4

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk

Disclosed balance after: 25,098

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.60 to $23.57, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: 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.

Read SEC document
January 03, 2023 Filed Jan 5, 2023 22:21 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,750 $22.90 $40,075.00
Disclosure

SEC source: 0001447362-23-000002 · wf-form4_167295726638812.xml · nonDerivative · entry 3

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Derek Maetzold 2020 Irrevocable Trust

Disclosed balance after: 112,224

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.60 to $23.57, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · ownership.nature: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

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January 03, 2023 Filed Jan 5, 2023 22:21 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,875 $22.90 $42,937.50
Disclosure

SEC source: 0001447362-23-000002 · wf-form4_167295726638812.xml · nonDerivative · entry 2

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold Descendants 2020 Trust

Disclosed balance after: 123,328

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.60 to $23.57, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: 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.

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January 03, 2023 Filed Jan 5, 2023 22:21 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 3,833 $22.90 $87,775.70
Disclosure

SEC source: 0001447362-23-000002 · wf-form4_167295726638812.xml · nonDerivative · entry 1

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 301,529

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.60 to $23.57, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 186 $23.41 $4,355.00
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 14

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold

Disclosed balance after: 25,468

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $23.090 to $23.865, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 · ownership.nature: 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.

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December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 186 $23.41 $4,355.00
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 13

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold

Disclosed balance after: 25,472

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $23.090 to $23.865, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 186 $23.41 $4,355.00
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 12

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold

Disclosed balance after: 25,472

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $23.090 to $23.865, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 186 $23.41 $4,355.00
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 11

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk

Disclosed balance after: 25,473

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $23.090 to $23.865, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 870 $23.41 $20,370.18
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 10

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Derek Maetzold 2020 Irrevocable Trust

Disclosed balance after: 113,974

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $23.090 to $23.865, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · ownership.nature: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 932 $23.41 $21,821.85
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 9

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold Descendants 2020 Trust

Disclosed balance after: 125,203

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $23.090 to $23.865, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,905 $23.41 $44,603.67
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 8

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,362

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $23.090 to $23.865, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 189 $22.73 $4,296.73
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 7

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold

Disclosed balance after: 25,654

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.090 to $23.070, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 189 $22.73 $4,296.73
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 6

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold

Disclosed balance after: 25,658

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.090 to $23.070, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 189 $22.73 $4,296.73
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 5

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold

Disclosed balance after: 25,658

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.090 to $23.070, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 189 $22.73 $4,296.73
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 4

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk

Disclosed balance after: 25,659

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.090 to $23.070, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 880 $22.73 $20,005.92
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 3

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Derek Maetzold 2020 Irrevocable Trust

Disclosed balance after: 114,844

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.090 to $23.070, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · ownership.nature: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 943 $22.73 $21,438.16
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 2

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold Descendants 2020 Trust

Disclosed balance after: 126,135

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.090 to $23.070, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: 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.

Read SEC document
December 19, 2022 Filed Dec 21, 2022 21:18 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,928 $22.73 $43,831.15
Disclosure

SEC source: 0001447362-22-000201 · wf-form4_167165747355238.xml · nonDerivative · entry 1

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,267

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.090 to $23.070, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 10, 2022 Filed Dec 13, 2022 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionRestricted Stock Units · Derivative 15,425 $0.00 $0.00
Disclosure

SEC source: 0001447362-22-000192 · wf-form4_167096746057186.xml · derivative · entry 13

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,273

Underlying: Common Stock · 15,425 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F10 · derivative.exercise_date: On December 10, 2021, the Reporting Person was granted 61,698 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

F10 · derivative.expiration_date: On December 10, 2021, the Reporting Person was granted 61,698 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

Read SEC document
December 10, 2022 Filed Dec 13, 2022 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionRestricted Stock Units · Derivative 5,362 $0.00 $0.00
Disclosure

SEC source: 0001447362-22-000192 · wf-form4_167096746057186.xml · derivative · entry 12

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,725

Underlying: Common Stock · 5,362 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F9 · derivative.exercise_date: On December 10, 2020, the Reporting Person was granted 21,450 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

F9 · derivative.expiration_date: On December 10, 2020, the Reporting Person was granted 21,450 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

Read SEC document
December 10, 2022 Filed Dec 13, 2022 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Tax withholdingCommon Stock 4,205 $22.32 $93,855.60
Disclosure

SEC source: 0001447362-22-000192 · wf-form4_167096746057186.xml · nonDerivative · entry 4

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 309,195

Read SEC document
December 10, 2022 Filed Dec 13, 2022 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionCommon Stock 15,425 $0.00 $0.00
Disclosure

SEC source: 0001447362-22-000192 · wf-form4_167096746057186.xml · nonDerivative · entry 3

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 313,400

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 10, 2022 Filed Dec 13, 2022 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Tax withholdingCommon Stock 2,110 $22.32 $47,095.20
Disclosure

SEC source: 0001447362-22-000192 · wf-form4_167096746057186.xml · nonDerivative · entry 2

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297,975

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December 10, 2022 Filed Dec 13, 2022 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionCommon Stock 5,362 $0.00 $0.00
Disclosure

SEC source: 0001447362-22-000192 · wf-form4_167096746057186.xml · nonDerivative · entry 1

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,085

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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December 09, 2022 Filed Dec 13, 2022 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 GrantRestricted Stock Units · Derivative 133,983 $0.00 $0.00
Disclosure

SEC source: 0001447362-22-000192 · wf-form4_167096746057186.xml · derivative · entry 11

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,983

Underlying: Common Stock · 133,983 shares

Expires not disclosed

F7 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F8 · derivative.exercise_date: The RSU's vest in four equal annual installments beginning on December 9, 2023.

F8 · derivative.expiration_date: The RSU's vest in four equal annual installments beginning on December 9, 2023.

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December 05, 2022 Filed Dec 7, 2022 21:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 375 $24.79 $9,296.25
Disclosure

SEC source: 0001447362-22-000188 · wf-form4_167044747232046.xml · nonDerivative · entry 7

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold

Disclosed balance after: 25,843

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $24.38 to $25.26, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 · ownership.nature: 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.

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December 05, 2022 Filed Dec 7, 2022 21:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 375 $24.79 $9,296.25
Disclosure

SEC source: 0001447362-22-000188 · wf-form4_167044747232046.xml · nonDerivative · entry 6

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold

Disclosed balance after: 25,847

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $24.38 to $25.26, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 · ownership.nature: 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.

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December 05, 2022 Filed Dec 7, 2022 21:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 375 $24.79 $9,296.25
Disclosure

SEC source: 0001447362-22-000188 · wf-form4_167044747232046.xml · nonDerivative · entry 5

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold

Disclosed balance after: 25,847

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $24.38 to $25.26, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · ownership.nature: 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.

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December 05, 2022 Filed Dec 7, 2022 21:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 375 $24.79 $9,296.25
Disclosure

SEC source: 0001447362-22-000188 · wf-form4_167044747232046.xml · nonDerivative · entry 4

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk

Disclosed balance after: 25,848

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $24.38 to $25.26, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: 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.

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December 05, 2022 Filed Dec 7, 2022 21:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,750 $24.79 $43,382.50
Disclosure

SEC source: 0001447362-22-000188 · wf-form4_167044747232046.xml · nonDerivative · entry 3

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Derek Maetzold 2020 Irrevocable Trust

Disclosed balance after: 115,724

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $24.38 to $25.26, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · ownership.nature: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

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December 05, 2022 Filed Dec 7, 2022 21:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,875 $24.79 $46,481.25
Disclosure

SEC source: 0001447362-22-000188 · wf-form4_167044747232046.xml · nonDerivative · entry 2

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold Descendants 2020 Trust

Disclosed balance after: 127,078

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $24.38 to $25.26, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: 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.

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December 05, 2022 Filed Dec 7, 2022 21:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 3,833 $24.79 $95,020.07
Disclosure

SEC source: 0001447362-22-000188 · wf-form4_167044747232046.xml · nonDerivative · entry 1

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 294,723

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F2 · price: This transaction was executed in multiple trades at prices ranging from $24.38 to $25.26, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

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December 01, 2022 Filed Dec 5, 2022 21:16 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionStock option (right to buy) · Derivative 10,000 $0.00 Strike: $3.72 $0.00
Disclosure

SEC source: 0001447362-22-000186 · wf-form4_167027493591099.xml · derivative · entry 8

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,686

Underlying: Common Stock · 10,000 shares

Expires 2024-03-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_date: The shares subject to the option are fully vested.

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December 01, 2022 Filed Dec 5, 2022 21:16 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionCommon Stock 10,000 $3.72 $37,200.00
Disclosure

SEC source: 0001447362-22-000186 · wf-form4_167027493591099.xml · nonDerivative · entry 1

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 298,556

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 22, 2022 Filed Nov 23, 2022 21:41 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 94 $20.51 $1,927.94
Disclosure

SEC source: 0001447362-22-000180 · wf-form4_166923960476399.xml · nonDerivative · entry 14

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold

Disclosed balance after: 26,218

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $20.32 to $20.67, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 · ownership.nature: 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.

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November 22, 2022 Filed Nov 23, 2022 21:41 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 94 $20.51 $1,927.94
Disclosure

SEC source: 0001447362-22-000180 · wf-form4_166923960476399.xml · nonDerivative · entry 13

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold

Disclosed balance after: 26,222

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $20.32 to $20.67, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 · ownership.nature: 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.

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November 22, 2022 Filed Nov 23, 2022 21:41 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 94 $20.51 $1,927.94
Disclosure

SEC source: 0001447362-22-000180 · wf-form4_166923960476399.xml · nonDerivative · entry 12

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold

Disclosed balance after: 26,222

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $20.32 to $20.67, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · ownership.nature: 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.

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November 22, 2022 Filed Nov 23, 2022 21:41 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 96 $20.51 $1,968.96
Disclosure

SEC source: 0001447362-22-000180 · wf-form4_166923960476399.xml · nonDerivative · entry 11

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk

Disclosed balance after: 26,223

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on June 7, 2022.

F9 · price: This transaction was executed in multiple trades at prices ranging from $20.32 to $20.67, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.