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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
August 04, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 254 $30.60 $7,771.13
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 29,912

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 $30.000 to $30.995, 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
August 04, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 254 $30.60 $7,771.13
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 29,912

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 $30.000 to $30.995, 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
August 04, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 253 $30.60 $7,740.54
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 29,914

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 $30.000 to $30.995, 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
August 04, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,263 $30.60 $38,641.49
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 134,931

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 $30.000 to $30.995, 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
August 04, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,263 $30.60 $38,641.49
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 147,408

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 $30.000 to $30.995, 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
August 04, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 2,526 $30.60 $77,282.97
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,135

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.

F9 · price: This transaction was executed in multiple trades at prices ranging from $30.000 to $30.995, 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
August 03, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 4 $30.03 $120.12
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 30,166

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 $30.020 to $30.030, 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
August 03, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 4 $30.03 $120.12
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 30,166

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 $30.020 to $30.030, 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
August 03, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 4 $30.03 $120.12
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 30,166

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 $30.020 to $30.030, 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
August 03, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 4 $30.03 $120.12
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 30,167

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 $30.020 to $30.030, 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
August 03, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 21 $30.03 $630.61
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 136,194

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 $30.020 to $30.030, 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
August 03, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 21 $30.03 $630.61
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.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: 148,671

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 $30.020 to $30.030, 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
August 03, 2022 Filed Aug 5, 2022 20:25 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 42 $30.03 $1,261.22
Disclosure

SEC source: 0001447362-22-000131 · wf-form4_165973112945707.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 328,661

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 $30.020 to $30.030, 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
August 02, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 11 $27.12 $298.34
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 30,170

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.

F10 · price: This transaction was executed in multiple trades at prices ranging from $27.060 to $27.210, 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.

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August 02, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 11 $27.12 $298.34
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 30,170

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.

F10 · price: This transaction was executed in multiple trades at prices ranging from $27.060 to $27.210, 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.

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August 02, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 11 $27.12 $298.34
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 30,170

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.

F10 · price: This transaction was executed in multiple trades at prices ranging from $27.060 to $27.210, 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.

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August 02, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 10 $27.12 $271.22
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 30,171

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.

F10 · price: This transaction was executed in multiple trades at prices ranging from $27.060 to $27.210, 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.

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August 02, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 51 $27.12 $1,383.22
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 136,215

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.

F10 · price: This transaction was executed in multiple trades at prices ranging from $27.060 to $27.210, 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.

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August 02, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 54 $27.12 $1,464.59
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 148,692

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.

F10 · price: This transaction was executed in multiple trades at prices ranging from $27.060 to $27.210, 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.

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August 02, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 111 $27.12 $3,010.54
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 328,703

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.

F10 · price: This transaction was executed in multiple trades at prices ranging from $27.060 to $27.210, 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
August 01, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 364 $27.44 $9,987.80
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 30,181

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 $27.055 to $27.950, 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.

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August 01, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 364 $27.44 $9,987.80
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 30,181

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 $27.055 to $27.950, 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.

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August 01, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 364 $27.44 $9,987.80
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 30,181

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 $27.055 to $27.950, 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.

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August 01, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 365 $27.44 $10,015.24
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 30,181

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 $27.055 to $27.950, 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.

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August 01, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,699 $27.44 $46,618.86
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 136,266

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 $27.055 to $27.950, 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.

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August 01, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,821 $27.44 $49,966.42
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.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: 148,746

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 $27.055 to $27.950, 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
August 01, 2022 Filed Aug 3, 2022 21:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 3,723 $27.44 $102,155.40
Disclosure

SEC source: 0001447362-22-000129 · wf-form4_165956079250648.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 328,814

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 $27.055 to $27.950, 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 May 26, 2022, the Reporting Person transferred 55,603 shares of Castle Biosciences, Inc. common stock from DJM Grantor Retained Annuity Trust No. 2 and 75,000 shares from DJM Grantor Retained Annuity Trust No. 3 to his direct holdings.

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April 26, 2022 Filed Apr 28, 2022 23:29 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 GrantCommon Stock 22,311 Not disclosed Not disclosed
Disclosure

SEC source: 0001447362-22-000068 · wf-form4_165118849087804.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,934

F1 · shares: The reporting person acquired 22,311 shares of common stock on April 26, 2022, as consideration for the Reporting Person's equity securities of AltheaDx, Inc. ("AltheaDx"), which Castle Biosciences, Inc. ("Castle Biosciences") acquired by merger on April 26, 2022 (the "Merger") pursuant to an Agreement and Plan of Merger agreement dated April 4, 2022 (the "Merger Agreement"). Of the 22,311 shares issued to the Reporting Person in the Merger, 1,895 shares are currently being held in escrow and are subject to forfeiture for a specified period following the Merger to satisfy indemnification claims arising of Castle Biosciences, if any.

F2 · shares: The Merger Agreement provides that the former securityholders of AltheaDx may receive additional consideration, payable 50% in cash and 50% in shares of common stock of Castle Biosciences, based on the achievement of certain commercial milestones with related dates or performance periods through December 31, 2024 (the "Milestone Payments"). The portion of the Milestone Payments payable in shares of common stock will be valued at the volume-weighted average price for the 20 trading days ending as of the applicable determination date. The number of shares issuable is subject to certain limitations set forth in the Merger Agreement. The Reporting Person's right to receive additional shares pursuant to this earn-out right became fixed and irrevocable on April 26, 2022, the effective date of the merger.

F3 · price: The number of shares issuable was determined pursuant to a formula set forth in the Merger Agreement, which provided that, for the purpose of determining the number of shares issuable, the shares of Castle Biosciences common stock would be valued at $42.54, which represents the volume weighted average share price of the stock for the 20 trading days immediately preceding the date of the Merger Agreement.

F4 · balance_after: On March 2, 2022, and March 3, 2022, the DJM Grantor Retained Annuity Trust No. 2 made annuity payments to the Reporting Person by transferring a total of 44,397 shares of Castle Biosciences, Inc. common stock to his direct holdings.

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January 10, 2022 Filed Jan 20, 2022 22:16 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 GiftCommon Stock 122,181 $0.00 $0.00
Disclosure

SEC source: 0001447362-22-000018 · wf-form4_164271698171877.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By DJM Grantor Retained Annuity Trust No. 1

Disclosed balance after: 0

F1 · balance_after: On January 5, 2022, the Reporting Person transferred 5,547 shares of Castle Biosciences, Inc. common stock to his direct holdings.

F2 · balance_after: On January 10, 2022, the Reporting Person transferred 122,181 shares collectively of Castle Biosciences, Inc. common stock to The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold, The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk, and The Maetzold 2018 Remainder Trust FBO John Derek Maetzold, all of which the Reporting Person is the trustee and his children are the beneficiaries.

Read SEC document
December 10, 2021 Filed Dec 15, 2021 00:56 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionRestricted Stock Units · Derivative 5,363 $0.00 $0.00
Disclosure

SEC source: 0001447362-21-000266 · wf-form4_163952979508094.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,087

Underlying: Common Stock · 5,363 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.

F1 · 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: On December 10, 2020, the Reporting Person was granted 21,450 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

F8 · 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, 2021 Filed Dec 15, 2021 00:56 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 GrantRestricted Stock Units · Derivative 61,698 $0.00 $0.00
Disclosure

SEC source: 0001447362-21-000266 · wf-form4_163952979508094.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,698

Underlying: Common Stock · 61,698 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F7 · derivative.exercise_date: The RSUs vest in four equal annual installments beginning on December 10, 2022.

F7 · derivative.expiration_date: The RSUs vest in four equal annual installments beginning on December 10, 2022.

Read SEC document
December 10, 2021 Filed Dec 15, 2021 00:56 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 GrantStock option (right to buy) · Derivative 106,376 $0.00 Strike: $40.52 $0.00
Disclosure

SEC source: 0001447362-21-000266 · wf-form4_163952979508094.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,376

Underlying: Common Stock · 106,376 shares

Expires 2031-12-09

F6 · derivative.exercise_date: 25% of shares shall vest on December 10, 2022, and the remaining shares shall vest in 36 equal monthly installments thereafter.

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December 10, 2021 Filed Dec 15, 2021 00:56 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Tax withholdingCommon Stock 2,111 $40.52 $85,537.72
Disclosure

SEC source: 0001447362-21-000266 · wf-form4_163952979508094.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 229,679

Read SEC document
December 10, 2021 Filed Dec 15, 2021 00:56 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionCommon Stock 5,363 Not disclosed Not disclosed
Disclosure

SEC source: 0001447362-21-000266 · wf-form4_163952979508094.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,790

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.

F1 · price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F2 · balance_after: On December 9, 2021, the Reporting Person transferred 75,000 shares of Castle Biosciences, Inc. common stock to the DJM Grantor Retained Annuity Trust No. 3 of which the Reporting Person is trustee and beneficiary.

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November 16, 2021 Filed Nov 17, 2021 23:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionStock option (right to buy) · Derivative 15,409 $0.00 Strike: $3.72 $0.00
Disclosure

SEC source: 0001447362-21-000259 · wf-form4_163719045708152.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,686

Underlying: Common Stock · 15,409 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.

F6 · derivative.exercise_date: The shares subject to the option are fully vested.

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November 16, 2021 Filed Nov 17, 2021 23:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionCommon Stock 15,409 $3.72 $57,321.48
Disclosure

SEC source: 0001447362-21-000259 · wf-form4_163719045708152.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 301,427

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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November 15, 2021 Filed Nov 17, 2021 23:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionStock option (right to buy) · Derivative 16,406 $0.00 Strike: $2.36 $0.00
Disclosure

SEC source: 0001447362-21-000259 · wf-form4_163719045708152.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,406 shares

Expires 2022-07-20

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.

F6 · derivative.exercise_date: The shares subject to the option are fully vested.

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November 15, 2021 Filed Nov 17, 2021 23:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,012 $53.04 $53,678.50
Disclosure

SEC source: 0001447362-21-000259 · wf-form4_163719045708152.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,018

F2 · price: This transaction was executed in multiple trades at prices ranging from $53.000 to $53.170, 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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November 15, 2021 Filed Nov 17, 2021 23:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 15,394 $52.47 $807,784.76
Disclosure

SEC source: 0001447362-21-000259 · wf-form4_163719045708152.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 287,030

F1 · price: This transaction was executed in multiple trades at prices ranging from $52.000 to $52.995, 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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November 15, 2021 Filed Nov 17, 2021 23:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionCommon Stock 16,406 $2.36 $38,718.16
Disclosure

SEC source: 0001447362-21-000259 · wf-form4_163719045708152.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,424

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 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 34 $57.26 $1,946.84
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 21

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: 137,965

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F8 · 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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November 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 233 $56.52 $13,168.46
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 20

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: 137,999

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F10 · price: This transaction was executed in multiple trades at prices ranging from $56.180 to $57.020, 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 Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

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November 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 133 $55.59 $7,393.87
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 19

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: 138,232

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F9 · price: This transaction was executed in multiple trades at prices ranging from $55.060 to $55.950, 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 Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

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November 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 33 $57.26 $1,889.58
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 18

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: 150,567

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F7 · 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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November 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 234 $56.52 $13,224.98
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 17

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: 150,600

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F10 · price: This transaction was executed in multiple trades at prices ranging from $56.180 to $57.020, 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 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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November 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 133 $55.59 $7,393.87
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 16

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: 150,834

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F9 · price: This transaction was executed in multiple trades at prices ranging from $55.060 to $55.950, 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 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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November 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 33 $57.26 $1,889.58
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 15

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By DJM Grantor Retained Annuity Trust No. 1

Disclosed balance after: 127,728

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F3 · ownership.nature: Held by DJM Grantor Retained Annuity Trust No. 1 of which the Reporting Person is the trustee and beneficiary.

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November 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 233 $56.52 $13,168.46
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 14

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By DJM Grantor Retained Annuity Trust No. 1

Disclosed balance after: 127,761

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F10 · price: This transaction was executed in multiple trades at prices ranging from $56.180 to $57.020, 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 DJM Grantor Retained Annuity Trust No. 1 of which the Reporting Person is the trustee and beneficiary.

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November 10, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 134 $55.59 $7,449.46
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By DJM Grantor Retained Annuity Trust No. 1

Disclosed balance after: 127,994

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F9 · price: This transaction was executed in multiple trades at prices ranging from $55.060 to $55.950, 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 DJM Grantor Retained Annuity Trust No. 1 of which the Reporting Person is the trustee and beneficiary.

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November 09, 2021 Filed Nov 12, 2021 21:38 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 200 $59.09 $11,818.80
Disclosure

SEC source: 0001447362-21-000257 · wf-form4_163675307684218.xml · nonDerivative · entry 12

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: 138,365

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by DJM Grantor Retained Annuity Trust No. 1, The Maetzold Descendants 2020 Trust, and the Derek Maetzold 2020 Irrevocable Trust on June 15, 2021.

F6 · price: This transaction was executed in multiple trades at prices ranging from $58.540 to $59.375, 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 Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

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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.