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person · Reporting owner

McCarthy Sean A.

Disclosed activity across 1 company

Tapewire entity
57063
SEC CIK
0001654058

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
CytomX Therapeutics, Inc.CTMX · Entity 5124Director · CEOMarch 17, 2026March 19, 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.

CytomX Therapeutics, Inc.

Report date March 17, 2026 · Filed March 19, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect1,078,922 Reported balance After 2026-03-17 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-03-17 · Sale · Disposed 118,969 · Balance 1,078,922

F1: The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of restricted stock units ("RSUs").

F2: Includes 457,500 RSUs.

Common StockSEC Table I · non-derivativeIndirectSee footnote93,158 Reported balance Holding disclosure · report date 2026-03-17 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 93,158

F3: Shares held by Sean A. McCarthy 2018 Trust, of which Reporting Person is trustee.

Filing footnotes · ownership attribution and instrument terms

F1: The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of restricted stock units ("RSUs").

F2: Includes 457,500 RSUs.

F3: Shares held by Sean A. McCarthy 2018 Trust, of which Reporting Person is trustee.

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
June 14, 2021 Filed Jun 17, 2021 01:49 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 30 $0.00 Strike: $1.13 $0.00
Disclosure

SEC source: 0001567619-21-012252 · doc1.xml · derivative · entry 4

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,113

Underlying: Common Stock · 30 shares

Expires 2021-09-20

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.

F2 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

Read SEC document
June 14, 2021 Filed Jun 17, 2021 01:49 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 10 $0.95 $9.45
Disclosure

SEC source: 0001567619-21-012252 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,849

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
June 14, 2021 Filed Jun 17, 2021 01:49 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 30 $1.13 $34.02
Disclosure

SEC source: 0001567619-21-012252 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,839

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
March 31, 2021 Filed Apr 2, 2021 21:37 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 100,000 $0.00 Strike: $1.13 $0.00
Disclosure

SEC source: 0001567619-21-007541 · doc1.xml · derivative · entry 3

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,143

Underlying: Common Stock · 100,000 shares

Expires 2021-09-20

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.

F3 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

Read SEC document
March 31, 2021 Filed Apr 2, 2021 21:37 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 100,000 $7.49 $749,470.00
Disclosure

SEC source: 0001567619-21-007541 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,894

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades in prices ranging from $7.35 to $7.62, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

Read SEC document
March 31, 2021 Filed Apr 2, 2021 21:37 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 100,000 $1.13 $113,390.00
Disclosure

SEC source: 0001567619-21-007541 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,894

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
February 27, 2021 Filed Mar 2, 2021 21:58 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantStock Option (Right to Buy) · Derivative 200,000 $0.00 Strike: $7.85 $0.00
Disclosure

SEC source: 0001567619-21-005396 · doc1.xml · derivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Common Stock · 200,000 shares

Expires 2031-02-26

F1 · derivative.exercise_date: 1/48th of the shares subject to the option vest on each monthly anniversary measured from February 26, 2021 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service to the Issuer through each such date.

Read SEC document
February 26, 2021 Filed Mar 2, 2021 21:58 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantStock Option (right to buy) · Derivative 400,000 $0.00 Strike: $7.85 $0.00
Disclosure

SEC source: 0001567619-21-005396 · doc1.xml · derivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Common Stock · 400,000 shares

Expires 2031-02-25

F1 · derivative.exercise_date: 1/48th of the shares subject to the option vest on each monthly anniversary measured from February 26, 2021 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service to the Issuer through each such date.

Read SEC document
December 23, 2020 Filed Dec 29, 2020 00:52 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 100,000 $0.00 Strike: $1.13 $0.00
Disclosure

SEC source: 0001567619-20-021619 · doc1.xml · derivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 192,143

Underlying: Common Stock · 100,000 shares

Expires 2021-09-20

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.

F1 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

Read SEC document
December 23, 2020 Filed Dec 29, 2020 00:52 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 100,000 $1.13 $113,390.00
Disclosure

SEC source: 0001567619-20-021619 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,894

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 30, 2020 Filed Dec 7, 2020 21:58 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantCommon Stock 930 $6.39 $5,944.56
Disclosure

SEC source: 0001567619-20-020707 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,894

F1 · kind: 930 shares were acquired pursuant to the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

Read SEC document
September 21, 2020 Filed Sep 23, 2020 20:53 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 20,500 $0.00 Strike: $6.61 $0.00
Disclosure

SEC source: 0001567619-20-017051 · doc1.xml · derivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,500 shares

Expires 2025-08-25

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_date: 100% of the shares subject to the option are fully vested and exercisable.

F2 · balance_after: The Reporting Person previously transferred an aggregate of 738,586 shares underlying certain stock options, including 417,802 shares subject to this stock option, to an immediate family member.

Read SEC document
September 21, 2020 Filed Sep 23, 2020 20:53 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 20,500 $6.61 $135,601.35
Disclosure

SEC source: 0001567619-20-017051 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,964

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
May 29, 2020 Filed Jun 2, 2020 20:54 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantCommon Stock 1,158 $5.11 $5,915.64
Disclosure

SEC source: 0001567619-20-011542 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,464

F1 · kind: 1,158 shares were acquired pursuant to the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

Read SEC document
May 12, 2020 Filed May 14, 2020 20:31 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 36,000 $0.00 Strike: $1.13 $0.00
Disclosure

SEC source: 0001567619-20-010115 · doc1.xml · derivative · entry 3

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 292,143

Underlying: Common Stock · 36,000 shares

Expires 2021-09-20

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.

F2 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

Read SEC document
May 12, 2020 Filed May 14, 2020 20:31 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 36,000 $15.00 $540,000.00
Disclosure

SEC source: 0001567619-20-010115 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,306

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

Read SEC document
May 12, 2020 Filed May 14, 2020 20:31 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 36,000 $1.13 $40,820.40
Disclosure

SEC source: 0001567619-20-010115 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,306

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
February 14, 2020 Filed Feb 19, 2020 23:37 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantStock Option (right to buy) · Derivative 500,000 $0.00 Strike: $7.13 $0.00
Disclosure

SEC source: 0001567619-20-004345 · doc1.xml · derivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 500,000

Underlying: Common Stock · 500,000 shares

Expires 2030-02-13

F1 · derivative.exercise_date: 1/48th of the shares subject to the option vest on each monthly anniversary measured from January 1, 2020 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service to the Issuer through each such date.

Read SEC document
November 30, 2019 Filed Dec 16, 2019 21:20 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantCommon Stock 1,080 $5.32 $5,746.68
Disclosure

SEC source: 0001567619-19-023150 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,306

F1 · kind: 1,080 shares were acquired pursuant to the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

Read SEC document
September 30, 2019 Filed Jun 8, 2021 17:10 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GiftCommon Stock 4,500 $0.00 $0.00
Disclosure

SEC source: 0001567619-21-011808 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,809

F1 · balance_after: Includes 1,006 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan on May 31, 2021 in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · balance_after: Amount of securities directly held has been adjusted to reflect the transfer of (i) 2,473 shares pursuant to a domestic relations order on July 9, 2018, (ii) 193,118 shares to Sean A. McCarthy 2018 Trust.

Read SEC document
May 31, 2019 Filed Jun 4, 2019 20:04 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantCommon Stock 695 $8.21 $5,706.65
Disclosure

SEC source: 0001567619-19-012666 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,226

F1 · kind: 695 shares were acquired pursuant to the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

Read SEC document
January 25, 2019 Filed Jan 29, 2019 23:56 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantStock Option (right to buy) · Derivative 300,000 $0.00 Strike: $16.85 $0.00
Disclosure

SEC source: 0001567619-19-001862 · doc1.xml · derivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Common Stock · 300,000 shares

Expires 2029-01-24

F1 · derivative.exercise_date: 1/48th of the shares subject to the option vest on each monthly anniversary measured from January 1, 2019 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service to the Issuer through each such date.

Read SEC document
November 30, 2018 Filed Dec 6, 2018 18:57 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantCommon Stock 468 $11.73 $5,489.64
Disclosure

SEC source: 0001567619-18-007415 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,531

F1 · kind: 468 shares were acquired pursuant to the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

Read SEC document
November 02, 2018 Filed Nov 5, 2018 21:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 1,156 $0.00 Strike: $1.57 $0.00
Disclosure

SEC source: 0001567619-18-005081 · doc1.xml · derivative · entry 7

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,071

Underlying: Common Stock · 1,156 shares

Expires 2025-02-08

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · derivative.exercise_date: This option vests in 48 substantially equal monthly installments starting on the last day of January 2015.

Read SEC document
November 02, 2018 Filed Nov 5, 2018 21:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 1,156 $15.01 $17,348.09
Disclosure

SEC source: 0001567619-18-005081 · doc1.xml · nonDerivative · entry 5

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,063

F1 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F3 · price: This transaction was executed in multiple trades in prices ranging from $15.00 to $15.02, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

Read SEC document
November 02, 2018 Filed Nov 5, 2018 21:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 1,156 $1.57 $1,820.58
Disclosure

SEC source: 0001567619-18-005081 · doc1.xml · nonDerivative · entry 4

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,219

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

Read SEC document
November 01, 2018 Filed Nov 5, 2018 21:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 5,370 $0.00 Strike: $1.57 $0.00
Disclosure

SEC source: 0001567619-18-005081 · doc1.xml · derivative · entry 6

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,227

Underlying: Common Stock · 5,370 shares

Expires 2025-02-08

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · derivative.exercise_date: This option vests in 48 substantially equal monthly installments starting on the last day of January 2015.

Read SEC document
November 01, 2018 Filed Nov 5, 2018 21:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 5,270 $15.00 $79,050.00
Disclosure

SEC source: 0001567619-18-005081 · doc1.xml · nonDerivative · entry 3

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,063

F1 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

Read SEC document
November 01, 2018 Filed Nov 5, 2018 21:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 100 $15.01 $1,500.50
Disclosure

SEC source: 0001567619-18-005081 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,333

F1 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

Read SEC document
November 01, 2018 Filed Nov 5, 2018 21:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 5,370 $1.57 $8,457.21
Disclosure

SEC source: 0001567619-18-005081 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,433

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

Read SEC document
September 04, 2018 Filed Sep 6, 2018 23:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 13,052 $0.00 Strike: $1.57 $0.00
Disclosure

SEC source: 0001567619-18-002231 · doc1.xml · derivative · entry 3

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,597

Underlying: Common Stock · 13,052 shares

Expires 2025-02-08

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: This option vests in 48 substantially equal monthly installments starting on the last day of January 2015.

Read SEC document
September 04, 2018 Filed Sep 6, 2018 23:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 13,052 $21.86 $285,342.82
Disclosure

SEC source: 0001567619-18-002231 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,063

F1 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades in prices ranging from $21.65 to $22.39, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

Read SEC document
September 04, 2018 Filed Sep 6, 2018 23:14 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 13,052 $1.57 $20,555.59
Disclosure

SEC source: 0001567619-18-002231 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,115

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

Read SEC document
July 05, 2018 Filed Jul 9, 2018 22:15 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 4,497 $0.00 Strike: $1.57 $0.00
Disclosure

SEC source: 0001140361-18-031945 · doc1.xml · derivative · entry 3

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,649

Underlying: Common Stock · 4,497 shares

Expires 2025-02-08

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: This option vests in 48 substantially equal monthly installments starting on the last day of January 2015.

Read SEC document
July 05, 2018 Filed Jul 9, 2018 22:15 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 4,497 $25.06 $112,688.52
Disclosure

SEC source: 0001140361-18-031945 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,063

F1 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades in prices ranging from $25.00 to $25.23, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

Read SEC document
July 05, 2018 Filed Jul 9, 2018 22:15 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 4,497 $1.57 $7,082.33
Disclosure

SEC source: 0001140361-18-031945 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,560

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

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July 03, 2018 Filed Jul 6, 2018 22:52 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 2,028 $0.00 Strike: $1.57 $0.00
Disclosure

SEC source: 0001140361-18-031810 · doc1.xml · derivative · entry 3

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 160,146

Underlying: Common Stock · 2,028 shares

Expires 2025-02-08

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: This option vests in 48 substantially equal monthly installments starting on the last day of January 2015.

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July 03, 2018 Filed Jul 6, 2018 22:52 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 2,028 $25.09 $50,880.49
Disclosure

SEC source: 0001140361-18-031810 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,063

F1 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades in prices ranging from $25.00 to $25.21, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

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July 03, 2018 Filed Jul 6, 2018 22:52 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 2,028 $1.57 $3,193.90
Disclosure

SEC source: 0001140361-18-031810 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,091

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

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July 02, 2018 Filed Jul 3, 2018 22:50 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 13,052 $0.00 Strike: $1.57 $0.00
Disclosure

SEC source: 0001140361-18-031327 · doc1.xml · derivative · entry 3

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 162,174

Underlying: Common Stock · 13,052 shares

Expires 2025-02-08

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F4 · derivative.exercise_date: This option vests in 48 substantially equal monthly installments starting on the last day of January 2015.

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July 02, 2018 Filed Jul 3, 2018 22:50 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 13,052 $23.42 $305,707.86
Disclosure

SEC source: 0001140361-18-031327 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,063

F1 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F3 · price: This transaction was executed in multiple trades in prices ranging from $22.56 to $23.68, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F2 · balance_after: Share numbers reflect the transfer of (i) 77,118 shares to the reporting person and (ii) 77,119 shares to the reporting person's ex-wife, from McCarthy Family Trust dated August 9, 2001, Sean A. McCarthy and Jeanette J. McCarthy, Trustees, pursuant to a domestic relations order.

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July 02, 2018 Filed Jul 3, 2018 22:50 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 13,052 $1.57 $20,555.59
Disclosure

SEC source: 0001140361-18-031327 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,115

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 · kind: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · balance_after: Share numbers reflect the transfer of (i) 77,118 shares to the reporting person and (ii) 77,119 shares to the reporting person's ex-wife, from McCarthy Family Trust dated August 9, 2001, Sean A. McCarthy and Jeanette J. McCarthy, Trustees, pursuant to a domestic relations order.

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May 31, 2018 Filed Jun 5, 2018 23:45 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 GrantCommon Stock 302 $17.90 $5,406.10
Disclosure

SEC source: 0001140361-18-027474 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,945

F1 · shares: The shares were acquired under the issuer's Employee Stock Purchase Plan on May 31, 2018.

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May 01, 2018 Filed May 2, 2018 22:25 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 19,578 $0.00 Strike: $1.57 $0.00
Disclosure

SEC source: 0001140361-18-021344 · doc1.xml · derivative · entry 4

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 175,226

Underlying: Common Stock · 19,578 shares

Expires 2025-02-08

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 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F4 · derivative.exercise_date: This option vests in 48 substantially equal monthly installments starting on the last day of January 2015

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May 01, 2018 Filed May 2, 2018 22:25 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 19,578 $26.55 $519,743.04
Disclosure

SEC source: 0001140361-18-021344 · doc1.xml · nonDerivative · entry 2

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,643

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades in prices ranging from $26.22 to $26.77, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

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May 01, 2018 Filed May 2, 2018 22:25 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionCommon Stock 19,578 $1.57 $30,833.39
Disclosure

SEC source: 0001140361-18-021344 · doc1.xml · nonDerivative · entry 1

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,221

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 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

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March 01, 2018 Filed Mar 5, 2018 21:55 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 62 $0.00 Strike: $0.95 $0.00
Disclosure

SEC source: 0001140361-18-012008 · doc1.xml · derivative · entry 8

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,752

Underlying: Common Stock · 62 shares

Expires 2023-02-25

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.

F5 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

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March 01, 2018 Filed Mar 5, 2018 21:55 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 9,000 $0.00 Strike: $1.13 $0.00
Disclosure

SEC source: 0001140361-18-012008 · doc1.xml · derivative · entry 7

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 328,143

Underlying: Common Stock · 9,000 shares

Expires 2021-09-20

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.

F5 · derivative.exercise_date: 100% of the shares subject to the option are fully vested and exercisable.

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March 01, 2018 Filed Mar 5, 2018 21:55 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 Exercise / conversionStock Option (Right to Buy) · Derivative 10,516 $0.00 Strike: $1.57 $0.00
Disclosure

SEC source: 0001140361-18-012008 · doc1.xml · derivative · entry 6

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 194,804

Underlying: Common Stock · 10,516 shares

Expires 2025-02-08

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: This option vests in 48 substantially equal monthly installments starting on the last day of January 2015.

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March 01, 2018 Filed Mar 5, 2018 21:55 UTC CytomX Therapeutics, Inc. CTMX · Entity 5124 SaleCommon Stock 19,578 $29.43 $576,141.38
Disclosure

SEC source: 0001140361-18-012008 · doc1.xml · nonDerivative · entry 4

McCarthy Sean A. · CIK 0001654058 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,643

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $29.00 to $29.90, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

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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.