TapewireFind a company

person · Reporting owner

Cook Joseph C. III

Disclosed activity across 1 company

Tapewire entity
141017
SEC CIK
0001783205

Export transaction history ↓

Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
CASTLE BIOSCIENCES INCCSTL · Entity 359DirectorMarch 18, 2021March 22, 2021

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 March 18, 2021 · Filed March 22, 2021

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect124,407 Reported balance After 2021-03-18 transaction · row 1
1 source row

Row 1 · 2021-03-18 · Exercise / conversion · Acquired 12,229 · Balance 124,407

Stock option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $16.00 · Expires 2029-07-23Direct18,666 Reported balance After 2021-03-18 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2021-03-18 · Exercise / conversion · Disposed 12,229 · Balance 18,666

F4: 25% of the 30,895 shares originally subject to the option vested on August 1, 2020, and the remaining shares vest in 36 equal monthly installments thereafter.

Common StockSEC Table I · non-derivativeIndirectSee footnotes628,410 Reported balance Holding disclosure · report date 2021-03-18 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 628,410

F1: Held by MGC Venture Partners 2013, L.P. ("MGC 2013 LP"), MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F2: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Common StockSEC Table I · non-derivativeIndirectSee footnotes717 Reported balance Holding disclosure · report date 2021-03-18 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 717

F3: Held by MOD Partners, LLC ("MOD LLC"). The Reporting Person is the President and a member of MOD LLC and has voting and investment power over the shares held by MOD LLC. The Reporting Person disclaims beneficial ownership of the shares held by MOD LLC as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Filing footnotes · ownership attribution and instrument terms

F1: Held by MGC Venture Partners 2013, L.P. ("MGC 2013 LP"), MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F2: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

F3: Held by MOD Partners, LLC ("MOD LLC"). The Reporting Person is the President and a member of MOD LLC and has voting and investment power over the shares held by MOD LLC. The Reporting Person disclaims beneficial ownership of the shares held by MOD LLC as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

F4: 25% of the 30,895 shares originally subject to the option vested on August 1, 2020, and the remaining shares vest in 36 equal monthly installments thereafter.

Transaction history

JSON API
Reset

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
March 18, 2021 Filed Mar 22, 2021 20:04 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionStock option (right to buy) · Derivative 12,229 $0.00 Strike: $16.00 $0.00
Disclosure

SEC source: 0001447362-21-000057 · wf-form4_161644347105756.xml · derivative · entry 4

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,666

Underlying: Common Stock · 12,229 shares

Expires 2029-07-23

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.

F4 · derivative.exercise_date: 25% of the 30,895 shares originally subject to the option vested on August 1, 2020, and the remaining shares vest in 36 equal monthly installments thereafter.

Read SEC document
March 18, 2021 Filed Mar 22, 2021 20:04 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 Exercise / conversionCommon Stock 12,229 $16.00 $195,664.00
Disclosure

SEC source: 0001447362-21-000057 · wf-form4_161644347105756.xml · nonDerivative · entry 1

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,407

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 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 100 $67.59 $6,758.50
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 16

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 628,410

F17 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on August 13, 2020, as amended on September 10, 2020.

F8 · ownership.nature: Held by MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 3,461 $67.02 $231,956.22
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 15

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 628,510

F17 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on August 13, 2020, as amended on September 10, 2020.

F20 · price: This transaction was executed in multiple trades at prices ranging from $66.580 to $67.565, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 8,875 $66.18 $587,312.00
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 14

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 631,971

F17 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on August 13, 2020, as amended on September 10, 2020.

F19 · price: This transaction was executed in multiple trades at prices ranging from $65.570 to $66.560, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,400 $65.24 $91,334.60
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 13

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 640,846

F17 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on August 13, 2020, as amended on September 10, 2020.

F18 · price: This transaction was executed in multiple trades at prices ranging from $64.550 to $65.520, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 100 $67.88 $6,788.00
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 12

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 642,246

F13 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on August 13, 2020, as amended on September 10, 2020.

F8 · ownership.nature: Held by MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 3,762 $67.20 $252,817.69
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 11

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 642,346

F13 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on August 13, 2020, as amended on September 10, 2020.

F16 · price: This transaction was executed in multiple trades at prices ranging from $66.660 to $67.600, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 10,102 $66.22 $668,994.85
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 10

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 646,108

F13 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on August 13, 2020, as amended on September 10, 2020.

F15 · price: This transaction was executed in multiple trades at prices ranging from $65.630 to $66.600, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 2,100 $65.36 $137,249.70
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 9

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 656,210

F13 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on August 13, 2020, as amended on September 10, 2020.

F14 · price: This transaction was executed in multiple trades at prices ranging from $64.630 to $65.590, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 13,705 $67.67 $927,376.24
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 8

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 658,310

F6 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F12 · price: This transaction was executed in multiple trades at prices ranging from $67.500 to $67.790, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 30,218 $66.98 $2,023,971.42
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 7

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 672,015

F6 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F11 · price: This transaction was executed in multiple trades at prices ranging from $66.500 to $67.485, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 57,240 $66.05 $3,780,759.24
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 6

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 702,233

F6 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F10 · price: This transaction was executed in multiple trades at prices ranging from $65.500 to $66.490, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 18,837 $65.23 $1,228,775.18
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 5

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 759,473

F6 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F7 · price: This transaction was executed in multiple trades at prices ranging from $64.500 to $65.490, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F9 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 600 $67.66 $40,595.40
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 4

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,178

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F5 · price: This transaction was executed in multiple trades at prices ranging from $67.565 to $67.880, 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 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 2,163 $66.76 $144,399.72
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 3

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,778

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F4 · price: This transaction was executed in multiple trades at prices ranging from $66.530 to $67.190, 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 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 12,271 $65.97 $809,566.95
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 2

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,941

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F3 · price: This transaction was executed in multiple trades at prices ranging from $65.530 to $66.500, 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 16, 2020 Filed Dec 18, 2020 20:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 4,966 $65.27 $324,140.75
Disclosure

SEC source: 0001447362-20-000295 · wf-form4_160832516916494.xml · nonDerivative · entry 1

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,212

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F2 · price: This transaction was executed in multiple trades at prices ranging from $64.530 to $65.520, 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 11, 2020 Filed Dec 14, 2020 18:58 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 100 $62.30 $6,230.40
Disclosure

SEC source: 0001447362-20-000285 · wf-form4_160797227377113.xml · nonDerivative · entry 5

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 778,310

F9 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on August 13, 2020, as amended on September 10, 2020.

F10 · price: This transaction was executed in multiple trades at prices ranging from $62.300 to $62.320, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 11, 2020 Filed Dec 14, 2020 18:58 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 493 $62.02 $30,577.83
Disclosure

SEC source: 0001447362-20-000285 · wf-form4_160797227377113.xml · nonDerivative · entry 4

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 778,410

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F8 · price: This transaction was executed in multiple trades at prices ranging from $62.000 to $62.080, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 11, 2020 Filed Dec 14, 2020 18:58 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 500 $60.34 $30,170.00
Disclosure

SEC source: 0001447362-20-000285 · wf-form4_160797227377113.xml · nonDerivative · entry 3

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 778,903

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F7 · price: This transaction was executed in multiple trades at prices ranging from $60.170 to $60.590, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 11, 2020 Filed Dec 14, 2020 18:58 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 13,566 $59.53 $807,583.98
Disclosure

SEC source: 0001447362-20-000285 · wf-form4_160797227377113.xml · nonDerivative · entry 2

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 779,403

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F4 · price: This transaction was executed in multiple trades at prices ranging from $59.150 to $60.100, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 11, 2020 Filed Dec 14, 2020 18:58 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 10,000 $59.88 $598,840.00
Disclosure

SEC source: 0001447362-20-000285 · wf-form4_160797227377113.xml · nonDerivative · entry 1

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,178

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F2 · price: This transaction was executed in multiple trades at prices ranging from $59.750 to $60.295, 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, 2020 Filed Dec 11, 2020 22:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 4,612 $59.21 $273,076.52
Disclosure

SEC source: 0001447362-20-000278 · wf-form4_160772756746405.xml · nonDerivative · entry 6

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 792,969

F10 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on August 13, 2020, as amended on September 10, 2020.

F8 · price: These transactions were executed in multiple trades at prices ranging from $59.15 to $59.39, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 10, 2020 Filed Dec 11, 2020 22:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 5,388 $59.21 $319,023.48
Disclosure

SEC source: 0001447362-20-000278 · wf-form4_160772756746405.xml · nonDerivative · entry 5

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 797,581

F9 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on August 13, 2020, as amended on September 10, 2020.

F8 · price: These transactions were executed in multiple trades at prices ranging from $59.15 to $59.39, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 10, 2020 Filed Dec 11, 2020 22:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 35,441 $59.17 $2,097,043.97
Disclosure

SEC source: 0001447362-20-000278 · wf-form4_160772756746405.xml · nonDerivative · entry 4

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 802,969

F3 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F8 · price: These transactions were executed in multiple trades at prices ranging from $59.15 to $59.39, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 09, 2020 Filed Dec 11, 2020 22:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 4,683 $57.43 $268,944.69
Disclosure

SEC source: 0001447362-20-000278 · wf-form4_160772756746405.xml · nonDerivative · entry 3

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 838,410

F3 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F7 · price: This transaction was executed in multiple trades at prices ranging from $57.15 to $57.98, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 09, 2020 Filed Dec 11, 2020 22:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 18,141 $56.74 $1,029,320.34
Disclosure

SEC source: 0001447362-20-000278 · wf-form4_160772756746405.xml · nonDerivative · entry 2

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 843,093

F3 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F4 · price: This transaction was executed in multiple trades at prices ranging from $56.15 to $57.13, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F6 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 09, 2020 Filed Dec 11, 2020 22:59 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 10,000 $57.90 $579,000.00
Disclosure

SEC source: 0001447362-20-000278 · wf-form4_160772756746405.xml · nonDerivative · entry 1

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,178

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F2 · price: This transaction was executed in multiple trades at prices ranging from $57.75 to $58.32, 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 08, 2020 Filed Dec 9, 2020 22:24 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 4,612 $56.20 $259,212.85
Disclosure

SEC source: 0001447362-20-000276 · wf-form4_160755268101477.xml · nonDerivative · entry 5

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 861,234

F10 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on August 13, 2020, as amended on September 10, 2020.

F11 · price: This transaction was executed in multiple trades at prices ranging from $56.150 to $56.590, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F7 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 08, 2020 Filed Dec 9, 2020 22:24 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 5,388 $56.23 $302,983.40
Disclosure

SEC source: 0001447362-20-000276 · wf-form4_160755268101477.xml · nonDerivative · entry 4

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 865,846

F8 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on August 13, 2020, as amended on September 10, 2020.

F9 · price: This transaction was executed in multiple trades at prices ranging from $56.150 to $56.455, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F7 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 08, 2020 Filed Dec 9, 2020 22:24 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 27,176 $56.28 $1,529,573.98
Disclosure

SEC source: 0001447362-20-000276 · wf-form4_160755268101477.xml · nonDerivative · entry 3

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 871,234

F4 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on August 13, 2020, as amended on September 10, 2020.

F5 · price: This transaction was executed in multiple trades at prices ranging from $56.150 to $56.900, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F7 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
December 08, 2020 Filed Dec 9, 2020 22:24 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 7,400 $55.98 $414,215.00
Disclosure

SEC source: 0001447362-20-000276 · wf-form4_160755268101477.xml · nonDerivative · entry 2

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,178

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F3 · price: This transaction was executed in multiple trades at prices ranging from $55.750 to $56.330, 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 07, 2020 Filed Dec 9, 2020 22:24 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 2,600 $55.84 $145,184.00
Disclosure

SEC source: 0001447362-20-000276 · wf-form4_160755268101477.xml · nonDerivative · entry 1

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 159,578

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F2 · price: This transaction was executed in multiple trades at prices ranging from $55.750 to $56.040, 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
October 14, 2020 Filed Oct 14, 2020 23:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 700 $55.14 $38,598.00
Disclosure

SEC source: 0001447362-20-000239 · wf-form4_160271705881736.xml · nonDerivative · entry 5

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 162,178

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

Read SEC document
October 14, 2020 Filed Oct 14, 2020 23:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 5,775 $54.51 $314,777.93
Disclosure

SEC source: 0001447362-20-000239 · wf-form4_160271705881736.xml · nonDerivative · entry 4

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 162,878

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F5 · price: This transaction was executed in multiple trades at prices ranging from $54.140 to $55.135, 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
October 13, 2020 Filed Oct 14, 2020 23:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 2,100 $55.11 $115,726.80
Disclosure

SEC source: 0001447362-20-000239 · wf-form4_160271705881736.xml · nonDerivative · entry 3

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,653

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F4 · price: This transaction was executed in multiple trades at prices ranging from $55.050 to $55.200, 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
October 13, 2020 Filed Oct 14, 2020 23:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 21,749 $54.71 $1,189,931.29
Disclosure

SEC source: 0001447362-20-000239 · wf-form4_160271705881736.xml · nonDerivative · entry 2

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,753

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F3 · price: This transaction was executed in multiple trades at prices ranging from $54.050 to $55.045, 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
October 12, 2020 Filed Oct 14, 2020 23:11 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 19,676 $54.84 $1,079,051.52
Disclosure

SEC source: 0001447362-20-000239 · wf-form4_160271705881736.xml · nonDerivative · entry 1

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 192,502

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2020.

F2 · price: This transaction was executed in multiple trades at prices ranging from $54.410 to $55.310, 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
September 09, 2020 Filed Sep 11, 2020 20:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 700 $51.38 $35,966.00
Disclosure

SEC source: 0001447362-20-000216 · wf-form4_159985474861590.xml · nonDerivative · entry 3

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 898,410

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on March 13, 2020, as amended on June 1, 2020.

F6 · price: This transaction was executed in multiple trades at prices ranging from $51.03 to $51.99, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 09, 2020 Filed Sep 11, 2020 20:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 3,092 $50.31 $155,558.52
Disclosure

SEC source: 0001447362-20-000216 · wf-form4_159985474861590.xml · nonDerivative · entry 2

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 899,110

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on March 13, 2020, as amended on June 1, 2020.

F5 · price: This transaction was executed in multiple trades at prices ranging from $49.98 to $50.96, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 09, 2020 Filed Sep 11, 2020 20:06 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 2,202 $49.28 $108,514.56
Disclosure

SEC source: 0001447362-20-000216 · wf-form4_159985474861590.xml · nonDerivative · entry 1

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 902,202

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on March 13, 2020, as amended on June 1, 2020.

F2 · price: This transaction was executed in multiple trades at prices ranging from $48.95 to $49.77, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 08, 2020 Filed Sep 9, 2020 20:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 501 $48.40 $24,246.90
Disclosure

SEC source: 0001447362-20-000211 · wf-form4_159968211664689.xml · nonDerivative · entry 19

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 904,404

F10 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on March 13, 2020.

F23 · price: This transaction was executed in multiple trades at prices ranging from $48.070 to $48.620, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 08, 2020 Filed Sep 9, 2020 20:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 800 $47.63 $38,102.40
Disclosure

SEC source: 0001447362-20-000211 · wf-form4_159968211664689.xml · nonDerivative · entry 18

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 904,905

F10 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on March 13, 2020.

F22 · price: This transaction was executed in multiple trades at prices ranging from $47.040 to $48.000, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 08, 2020 Filed Sep 9, 2020 20:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,300 $46.58 $60,555.30
Disclosure

SEC source: 0001447362-20-000211 · wf-form4_159968211664689.xml · nonDerivative · entry 17

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 905,705

F10 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 LP on March 13, 2020.

F21 · price: This transaction was executed in multiple trades at prices ranging from $46.020 to $46.970, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 08, 2020 Filed Sep 9, 2020 20:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 600 $49.14 $29,484.00
Disclosure

SEC source: 0001447362-20-000211 · wf-form4_159968211664689.xml · nonDerivative · entry 16

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 907,005

F6 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on March 13, 2020.

F20 · price: This transaction was executed in multiple trades at prices ranging from $49.110 to $49.260, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 08, 2020 Filed Sep 9, 2020 20:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 3,552 $48.68 $172,911.36
Disclosure

SEC source: 0001447362-20-000211 · wf-form4_159968211664689.xml · nonDerivative · entry 15

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 907,605

F6 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on March 13, 2020.

F19 · price: This transaction was executed in multiple trades at prices ranging from $48.070 to $49.040, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 08, 2020 Filed Sep 9, 2020 20:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,010 $47.55 $48,028.53
Disclosure

SEC source: 0001447362-20-000211 · wf-form4_159968211664689.xml · nonDerivative · entry 14

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 911,157

F6 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on March 13, 2020.

F18 · price: This transaction was executed in multiple trades at prices ranging from $47.060 to $48.020, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 08, 2020 Filed Sep 9, 2020 20:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 1,300 $46.56 $60,528.00
Disclosure

SEC source: 0001447362-20-000211 · wf-form4_159968211664689.xml · nonDerivative · entry 13

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 912,167

F6 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC 2018 QP LP on March 13, 2020.

F17 · price: This transaction was executed in multiple trades at prices ranging from $46.020 to $47.000, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document
September 08, 2020 Filed Sep 9, 2020 20:08 UTC CASTLE BIOSCIENCES INC CSTL · Entity 359 SaleCommon Stock 24,621 $48.98 $1,205,961.20
Disclosure

SEC source: 0001447362-20-000211 · wf-form4_159968211664689.xml · nonDerivative · entry 12

Cook Joseph C. III · CIK 0001783205 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 913,467

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by MGC Venture Partners 2013, L.P. ("MGC 2013 LP") on March 13, 2020, as amended on June 1, 2020.

F16 · price: This transaction was executed in multiple trades at prices ranging from $48.800 to $49.260, 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 MGC 2013 LP, MGC Venture Partners 2018, L.P. ("MGC 2018 LP"), MGC Venture Partners QP 2018, L.P. ("MGC 2018 QP LP") and MGC Venture Partners 2013 GP, LLC ("MGC 2013 GP"). MGC 2013 GP is the general partner of MGC 2013 LP. MGC Venture Partners 2018 GP, LLC ("MGC 2018 GP") is the general partner of MGC 2018 LP and MGC 2018 QP LP.

F4 · ownership.nature: The Reporting Person is a managing director of MGC 2013 GP and a managing partner of MGC 2018 GP, and shares voting and investment power over the shares held by MGC 2013 LP, MGC 2018 LP, MGC 2018 QP LP and MGC 2013 GP. The Reporting Person disclaims beneficial ownership of the shares held by MGC 2013 GP, MGC 2018 GP, MGC 2013 LP, MGC 2018 LP and MGC 2018 QP LP as reported herein, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Read SEC document

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