Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Cytomx Therapeutics, Inc. (CTMX) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Cytomx Therapeutics, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1501989.
Total stock buying since 2015: $7,876,720.
Total stock sales since 2015: $56,699,037.
Total stock option exercises since 2015: $2,240,472.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 161,597 | $267,869 | 225,000 | $0 |
| 2024 | 0 | $0 | 64,414 | $110,004 | 187,893 | $172,884 |
| 2023 | 5,000 | $7,750 | 73,253 | $108,428 | 23,410 | $26,042 |
| 2022 | 0 | $0 | 41,733 | $59,342 | 90,931 | $85,929 |
| 2021 | 0 | $0 | 200,000 | $1,454,000 | 192,153 | $217,896 |
| 2020 | 0 | $0 | 36,000 | $540,000 | 156,500 | $289,829 |
| 2019 | 9,000 | $92,970 | 0 | $0 | 0 | $0 |
| 2018 | 0 | $0 | 228,411 | $6,166,095 | 188,363 | $465,411 |
| 2017 | 0 | $0 | 1,972,685 | $35,094,391 | 240,265 | $677,834 |
| 2016 | 0 | $0 | 1,194,478 | $12,898,908 | 114,241 | $245,662 |
| 2015 | 648,000 | $7,776,000 | 0 | $0 | 8,917 | $58,985 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-06 | 0 | $0 | 81,650 | $219,984 | 225,000 | $0 |
| 2025-03 | 0 | $0 | 79,947 | $47,885 | 0 | $0 |
| 2024-08 | 0 | $0 | 28,425 | $34,932 | 78,125 | $0 |
| 2024-03 | 0 | $0 | 35,989 | $75,072 | 109,768 | $172,884 |
| 2023-12 | 0 | $0 | 27,772 | $38,351 | 6,875 | $0 |
| 2023-09 | 0 | $0 | 28,325 | $36,826 | 0 | $0 |
| 2023-05 | 0 | $0 | 0 | $0 | 16,535 | $26,042 |
| 2023-03 | 5,000 | $7,750 | 17,156 | $33,251 | 0 | $0 |
| 2022-07 | 0 | $0 | 41,733 | $59,342 | 0 | $0 |
| 2022-05 | 0 | $0 | 0 | $0 | 90,931 | $85,929 |
| 2021-08 | 0 | $0 | 0 | $0 | 92,113 | $104,456 |
| 2021-06 | 0 | $0 | 100,000 | $704,500 | 40 | $41 |
| 2021-03 | 0 | $0 | 100,000 | $749,500 | 100,000 | $113,399 |
| 2020-12 | 0 | $0 | 0 | $0 | 100,000 | $113,399 |
| 2020-09 | 0 | $0 | 0 | $0 | 20,500 | $135,607 |
| 2020-05 | 0 | $0 | 36,000 | $540,000 | 36,000 | $40,823 |
| 2019-03 | 9,000 | $92,970 | 0 | $0 | 0 | $0 |
| 2018-12 | 0 | $0 | 3,000 | $45,000 | 3,000 | $4,347 |
| 2018-10 | 0 | $0 | 3,000 | $55,380 | 3,000 | $4,347 |
| 2018-09 | 0 | $0 | 16,052 | $352,512 | 16,052 | $24,903 |
| 2018-08 | 0 | $0 | 3,000 | $78,150 | 3,000 | $4,062 |
| 2018-07 | 0 | $0 | 22,577 | $536,953 | 22,577 | $34,612 |
| 2018-06 | 0 | $0 | 3,000 | $77,793 | 3,000 | $3,780 |
| 2018-05 | 0 | $0 | 22,578 | $599,300 | 22,578 | $34,615 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-16 | Belvin Marcia (SVP, Chief Scientific Officer) | Sale | 13,884 | 2.69 | 37,334 |
| 2025-06-16 | Ogden Christopher (Chief Financial Officer) | Sale | 10,614 | 2.69 | 28,541 |
| 2025-06-16 | Mccarthy Sean A. (CEO) | Sale | 55,511 | 2.69 | 149,269 |
| 2025-06-13 | Belvin Marcia (SVP, Chief Scientific Officer) | Option Ex | 37,500 | .00 | 0 |
| 2025-06-13 | Ogden Christopher (Chief Financial Officer) | Sale | 1,641 | 2.95 | 4,840 |
| 2025-06-13 | Ogden Christopher (Chief Financial Officer) | Option Ex | 37,500 | .00 | 0 |
| 2025-06-13 | Mccarthy Sean A. (CEO) | Option Ex | 150,000 | .00 | 0 |
| 2025-03-18 | Belvin Marcia (SVP, Chief Scientific Officer) | Sale | 19,512 | .60 | 11,687 |
| 2025-03-18 | Ogden Christopher (Chief Financial Officer) | Sale | 8,551 | .60 | 5,122 |
| 2025-03-18 | Chu Yu-waye (Chief Medical Officer) | Sale | 4,025 | .60 | 2,410 |
| 2025-03-18 | Mccarthy Sean A. (CEO) | Sale | 37,656 | .60 | 22,555 |
| 2025-03-18 | Rowland Lloyd A (General Counsel) | Sale | 10,203 | .60 | 6,111 |
| 2024-08-20 | Belvin Marcia (SVP, Chief Scientific Officer) | Sale | 4,181 | 1.23 | 5,138 |
| 2024-08-20 | Belvin Marcia (SVP, Chief Scientific Officer) | Option Ex | 11,250 | .00 | 0 |
| 2024-08-20 | Landau Jeffrey B (Chief Business Officer) | Sale | 4,181 | 1.23 | 5,138 |
| 2024-08-20 | Landau Jeffrey B (Chief Business Officer) | Option Ex | 11,250 | .00 | 0 |
| 2024-08-20 | Ogden Christopher (Chief Financial Officer) | Sale | 1,984 | 1.23 | 2,438 |
| 2024-08-20 | Ogden Christopher (Chief Financial Officer) | Option Ex | 6,875 | .00 | 0 |
| 2024-08-20 | Mccarthy Sean A. (CEO) | Sale | 13,898 | 1.23 | 17,080 |
| 2024-08-20 | Mccarthy Sean A. (CEO) | Option Ex | 37,500 | .00 | 0 |
| 2024-08-20 | Rowland Lloyd A (General Counsel) | Sale | 4,181 | 1.23 | 5,138 |
| 2024-08-20 | Rowland Lloyd A (General Counsel) | Option Ex | 11,250 | .00 | 0 |
| 2024-03-26 | Mccarthy Sean A. (CEO) | Option Ex | 109,768 | 1.57 | 172,884 |
| 2024-03-19 | Belvin Marcia (SVP, Chief Scientific Officer) | Sale | 12,795 | 2.09 | 26,690 |
| 2024-03-19 | Ogden Christopher (SVP, Finance and Accounting) | Sale | 2,971 | 2.09 | 6,197 |
| 2024-03-19 | Mccarthy Sean A. (CEO) | Sale | 20,223 | 2.09 | 42,185 |
| 2023-12-20 | Belvin Marcia (SVP, Chief Scientific Officer) | Sale | 4,077 | 1.38 | 5,630 |
| 2023-12-20 | Landau Jeffrey B (Chief Business Officer) | Sale | 4,077 | 1.38 | 5,630 |
| 2023-12-20 | Ogden Christopher (SVP, Finance and Accounting) | Sale | 1,990 | 1.38 | 2,748 |
| 2023-12-20 | Mccarthy Sean A. (CEO) | Sale | 13,551 | 1.38 | 18,713 |
| 2023-12-20 | Rowland Lloyd A (General Counsel) | Sale | 4,077 | 1.38 | 5,630 |
| 2023-12-17 | Ogden Christopher (SVP, Finance and Accounting) | Option Ex | 6,875 | .00 | 0 |
| 2023-09-22 | Belvin Marcia (SVP, Chief Scientific Officer) | Sale | 4,119 | 1.30 | 5,354 |
| 2023-09-22 | Landau Jeffrey B (Chief Business Officer) | Sale | 4,119 | 1.30 | 5,354 |
| 2023-09-22 | Mccarthy Sean A. (CEO) | Sale | 14,601 | 1.30 | 18,981 |
| 2023-09-22 | Rowland Lloyd A (General Counsel) | Sale | 5,486 | 1.30 | 7,137 |
| 2023-05-19 | Mccarthy Sean A. (CEO) | Option Ex | 16,535 | 1.57 | 26,042 |
| 2023-03-29 | Jones Elaine V | Buy | 5,000 | 1.55 | 7,750 |
| 2023-03-16 | Landau Jeffrey B (Chief Financial Officer) | Sale | 1,477 | 1.98 | 2,922 |
| 2023-03-16 | Ogden Christopher (SVP, Finance and Accounting) | Sale | 516 | 1.98 | 1,021 |
| 2023-03-16 | Campoy Carlos (Chief Financial Officer) | Sale | 1,748 | 1.98 | 3,459 |
| 2023-03-16 | Peterson Amy C. (EVP, Chief Development Officer) | Sale | 4,257 | 1.98 | 8,424 |
| 2023-03-16 | Mccarthy Sean A. (CEO) | Sale | 7,121 | 1.88 | 13,394 |
| 2023-03-16 | Rowland Lloyd A (General Counsel) | Sale | 2,037 | 1.98 | 4,031 |
| 2022-07-20 | Landau Jeffrey B (Chief Business Officer) | Sale | 4,206 | 1.42 | 5,980 |
| 2022-07-20 | Campoy Carlos (Chief Financial Officer) | Sale | 3,949 | 1.42 | 5,615 |
| 2022-07-20 | Peterson Amy C. (EVP, Chief Development Officer) | Sale | 7,463 | 1.42 | 10,612 |
| 2022-07-20 | Mccarthy Sean A. (President and CEO) | Sale | 14,911 | 1.42 | 21,203 |
| 2022-07-20 | Hannah Alison L. (Chief Medical Officer) | Sale | 5,602 | 1.42 | 7,966 |
| 2022-07-20 | Rowland Lloyd A (General Counsel) | Sale | 5,602 | 1.42 | 7,966 |
| 2022-05-09 | Mccarthy Sean A. (President and CEO) | Option Ex | 90,931 | .94 | 85,929 |
| 2021-08-11 | Mccarthy Sean A. (President and CEO) | Option Ex | 92,113 | 1.13 | 104,456 |
| 2021-06-16 | Mccarthy Sean A. (President and CEO) | Sale | 100,000 | 7.04 | 704,500 |
| 2021-06-14 | Mccarthy Sean A. (President and CEO) | Option Ex | 40 | 1.04 | 41 |
| 2021-03-31 | Mccarthy Sean A. (President and CEO) | Sale | 100,000 | 7.50 | 749,500 |
| 2021-03-31 | Mccarthy Sean A. (President and CEO) | Option Ex | 100,000 | 1.13 | 113,399 |
| 2020-12-23 | Mccarthy Sean A. (President and CEO) | Option Ex | 100,000 | 1.13 | 113,399 |
| 2020-09-21 | Mccarthy Sean A. (President and CEO) | Option Ex | 20,500 | 6.62 | 135,607 |
| 2020-05-12 | Mccarthy Sean A. (President and CEO) | Sale | 36,000 | 15.00 | 540,000 |
| 2020-05-12 | Mccarthy Sean A. (President and CEO) | Option Ex | 36,000 | 1.13 | 40,823 |
| 2019-03-04 | Rowland Lloyd A (General Counsel) | Buy | 9,000 | 10.33 | 92,970 |
| 2018-12-12 | Ray Debanjan (Chief Financial Officer) | Sale | 3,000 | 15.00 | 45,000 |
| 2018-12-12 | Ray Debanjan (Chief Financial Officer) | Option Ex | 3,000 | 1.45 | 4,347 |
| 2018-10-01 | Ray Debanjan (Chief Financial Officer) | Sale | 3,000 | 18.46 | 55,380 |
| 2018-10-01 | Ray Debanjan (Chief Financial Officer) | Option Ex | 3,000 | 1.45 | 4,347 |
| 2018-09-04 | Ray Debanjan (Chief Financial Officer) | Sale | 3,000 | 22.39 | 67,170 |
| 2018-09-04 | Ray Debanjan (Chief Financial Officer) | Option Ex | 3,000 | 1.45 | 4,347 |
| 2018-09-04 | Mccarthy Sean A. (President and CEO) | Sale | 13,052 | 21.86 | 285,342 |
| 2018-09-04 | Mccarthy Sean A. (President and CEO) | Option Ex | 13,052 | 1.57 | 20,556 |
| 2018-08-01 | Ray Debanjan (Chief Financial Officer) | Sale | 3,000 | 26.05 | 78,150 |
| 2018-08-01 | Ray Debanjan (Chief Financial Officer) | Option Ex | 3,000 | 1.35 | 4,062 |
| 2018-07-05 | Mccarthy Sean A. (President and CEO) | Sale | 4,497 | 25.06 | 112,690 |
| 2018-07-05 | Mccarthy Sean A. (President and CEO) | Option Ex | 4,497 | 1.57 | 7,082 |
| 2018-07-03 | Mccarthy Sean A. (President and CEO) | Sale | 2,028 | 25.09 | 50,880 |
| 2018-07-03 | Mccarthy Sean A. (President and CEO) | Option Ex | 2,028 | 1.57 | 3,194 |
| 2018-07-02 | Ray Debanjan (Chief Financial Officer) | Sale | 3,000 | 22.56 | 67,680 |
| 2018-07-02 | Ray Debanjan (Chief Financial Officer) | Option Ex | 3,000 | 1.26 | 3,780 |
| 2018-07-02 | Mccarthy Sean A. (President and CEO) | Sale | 13,052 | 23.42 | 305,703 |
| 2018-07-02 | Mccarthy Sean A. (President and CEO) | Option Ex | 13,052 | 1.57 | 20,556 |
| 2018-06-01 | Ray Debanjan (Chief Financial Officer) | Sale | 3,000 | 25.93 | 77,793 |
| 2018-06-01 | Ray Debanjan (Chief Financial Officer) | Option Ex | 3,000 | 1.26 | 3,780 |
| 2018-05-01 | Ray Debanjan (Chief Financial Officer) | Sale | 3,000 | 26.52 | 79,563 |
| 2018-05-01 | Ray Debanjan (Chief Financial Officer) | Option Ex | 3,000 | 1.26 | 3,780 |
| 2018-05-01 | Mccarthy Sean A. (President and CEO) | Sale | 19,578 | 26.55 | 519,737 |
| 2018-05-01 | Mccarthy Sean A. (President and CEO) | Option Ex | 19,578 | 1.57 | 30,835 |
| 2018-04-02 | Ray Debanjan (Chief Financial Officer) | Sale | 3,000 | 28.12 | 84,360 |
| 2018-04-02 | Ray Debanjan (Chief Financial Officer) | Option Ex | 3,000 | 1.26 | 3,780 |
| 2018-03-26 | Gluck Frederick W | Sale | 5,000 | 31.93 | 159,640 |
| 2018-03-02 | Ray Debanjan (Chief Financial Officer) | Sale | 20,000 | 30.50 | 609,900 |
| 2018-03-02 | Ray Debanjan (Chief Financial Officer) | Option Ex | 20,000 | 1.20 | 23,940 |
| 2018-03-02 | Humphrey Rachel (Chief Medical Officer) | Sale | 16,160 | 30.00 | 484,800 |
| 2018-03-02 | Humphrey Rachel (Chief Medical Officer) | Option Ex | 16,160 | 6.62 | 106,898 |
| 2018-03-02 | Gluck Frederick W | Sale | 16,181 | 30.00 | 485,462 |
| 2018-03-01 | Ray Debanjan (Chief Financial Officer) | Sale | 13,000 | 29.40 | 382,239 |
| 2018-03-01 | Ray Debanjan (Chief Financial Officer) | Option Ex | 13,000 | 1.26 | 16,380 |
| 2018-03-01 | Mccarthy Sean A. (President and CEO) | Sale | 19,578 | 29.43 | 576,141 |
| 2018-03-01 | Mccarthy Sean A. (President and CEO) | Option Ex | 19,578 | 1.22 | 23,846 |
| 2018-02-28 | Humphrey Rachel (Chief Medical Officer) | Sale | 23,840 | 30.00 | 715,200 |
| 2018-02-28 | Humphrey Rachel (Chief Medical Officer) | Option Ex | 23,840 | 6.62 | 157,701 |
| 2018-02-28 | Gluck Frederick W | Sale | 3,819 | 30.00 | 114,570 |
| 2018-02-01 | Ray Debanjan (Chief Financial Officer) | Sale | 2,548 | 26.69 | 68,011 |
| 2018-01-05 | Mccarthy Sean A. (President and CEO) | Sale | 6,526 | 25.01 | 163,215 |
| 2018-01-05 | Mccarthy Sean A. (President and CEO) | Option Ex | 6,526 | 1.13 | 7,400 |
| 2018-01-05 | Gluck Frederick W | Sale | 10,000 | 25.01 | 250,080 |
| 2018-01-02 | Ray Debanjan (Chief Financial Officer) | Sale | 2,500 | 21.11 | 52,775 |
| 2018-01-02 | Mccarthy Sean A. (President and CEO) | Sale | 13,052 | 21.04 | 274,614 |
| 2018-01-02 | Mccarthy Sean A. (President and CEO) | Option Ex | 13,052 | 1.13 | 14,800 |
| 2017-12-26 | Gluck Frederick W | Sale | 5,000 | 22.29 | 111,425 |
| 2017-12-15 | Humphrey Rachel (Chief Medical Officer) | Option Ex | 15,117 | 6.62 | 99,998 |
| 2017-12-08 | Kavanaugh William Michael (CSO, Head Res.&Non-Clin. Dev.) | Option Ex | 5,130 | 1.57 | 8,079 |
| 2017-12-01 | Ray Debanjan (Chief Financial Officer) | Sale | 2,500 | 20.58 | 51,449 |
| 2017-12-01 | Mccarthy Sean A. (President and CEO) | Sale | 14,340 | 20.60 | 295,404 |
| 2017-12-01 | Mccarthy Sean A. (President and CEO) | Option Ex | 14,340 | 1.04 | 14,899 |
| 2017-11-01 | Ray Debanjan (Chief Financial Officer) | Sale | 2,500 | 20.00 | 50,000 |
| 2017-11-01 | Mccarthy Sean A. (President and CEO) | Sale | 14,342 | 19.86 | 284,832 |
| 2017-11-01 | Mccarthy Sean A. (President and CEO) | Option Ex | 14,342 | .94 | 13,553 |
| 2017-10-04 | Mccarthy Sean A. (President and CEO) | Sale | 19,120 | 24.13 | 461,365 |
| 2017-10-04 | Mccarthy Sean A. (President and CEO) | Option Ex | 19,120 | .94 | 18,068 |
| 2017-10-04 | Kavanaugh William Michael (CSO, Head Res.&Non-Clin. Dev.) | Sale | 48,368 | 24.34 | 1,177,277 |
| 2017-10-04 | Kavanaugh William Michael (CSO, Head Res.&Non-Clin. Dev.) | Option Ex | 48,368 | 4.47 | 216,350 |
| 2017-10-04 | Tepper Robert I (10% Owner) | Sale | 24,777 | 24.34 | 603,072 |
| 2017-10-04 | Gluck Frederick W | Sale | 10,000 | 24.27 | 242,680 |
| 2017-10-02 | Ray Debanjan (Chief Financial Officer) | Sale | 2,500 | 18.10 | 45,250 |
| 2017-10-02 | Mccarthy Sean A. (President and CEO) | Sale | 9,562 | 18.57 | 177,566 |
| 2017-10-02 | Mccarthy Sean A. (President and CEO) | Option Ex | 9,562 | .94 | 9,036 |
| 2017-09-26 | Gluck Frederick W | Sale | 5,000 | 17.30 | 86,475 |
| 2017-09-19 | Tepper Robert I (10% Owner) | Sale | 20,000 | 18.00 | 360,000 |
| 2017-09-01 | Ray Debanjan (Chief Financial Officer) | Sale | 2,500 | 17.17 | 42,925 |
| 2017-09-01 | Mccarthy Sean A. (President and CEO) | Sale | 9,930 | 17.32 | 171,987 |
| 2017-09-01 | Mccarthy Sean A. (President and CEO) | Option Ex | 9,930 | .94 | 9,383 |
| 2017-08-09 | Ray Debanjan (Chief Financial Officer) | Sale | 2,500 | 15.00 | 37,500 |
| 2017-08-09 | Mccarthy Sean A. (President and CEO) | Sale | 4,781 | 15.00 | 71,715 |
| 2017-08-09 | Mccarthy Sean A. (President and CEO) | Option Ex | 4,781 | .94 | 4,518 |
| 2017-07-03 | Ray Debanjan (Chief Financial Officer) | Sale | 2,500 | 15.47 | 38,675 |
| 2017-07-03 | Mccarthy Sean A. (President and CEO) | Sale | 4,781 | 15.52 | 74,201 |
| 2017-07-03 | Mccarthy Sean A. (President and CEO) | Option Ex | 4,781 | .94 | 4,518 |
| 2017-06-29 | Tepper Robert I (10% Owner) | Sale | 15,000 | 16.00 | 240,000 |
| 2017-06-26 | Mccarthy Sean A. (President and CEO) | Sale | 4,481 | 15.00 | 67,215 |
| 2017-06-26 | Mccarthy Sean A. (President and CEO) | Option Ex | 4,481 | .94 | 4,234 |
| 2017-06-26 | Gluck Frederick W | Sale | 5,000 | 14.61 | 73,050 |
| 2017-06-05 | Mccarthy Sean A. (President and CEO) | Sale | 300 | 15.00 | 4,500 |
| 2017-06-05 | Mccarthy Sean A. (President and CEO) | Option Ex | 300 | .94 | 283 |
| 2017-05-12 | Goeltz Ii Robert C. (Chief Financial Officer) | Option Ex | 19,967 | 5.54 | 110,697 |
| 2017-05-01 | Mccarthy Sean A. (President and CEO) | Sale | 4,781 | 15.70 | 75,061 |
| 2017-05-01 | Mccarthy Sean A. (President and CEO) | Option Ex | 4,781 | .94 | 4,518 |
| 2017-04-12 | Starr Kevin P (10% Owner) | Sale | 28,357 | 16.36 | 463,807 |
| 2017-04-10 | Goeltz Ii Robert C. (Chief Financial Officer) | Option Ex | 3,000 | 4.47 | 13,419 |
| 2017-04-04 | Mccarthy Sean A. (President and CEO) | Sale | 4,781 | 17.50 | 83,667 |
| 2017-04-04 | Mccarthy Sean A. (President and CEO) | Option Ex | 4,781 | .94 | 4,518 |
| 2017-04-03 | Mccarthy Sean A. (President and CEO) | Sale | 4,781 | 16.94 | 80,990 |
| 2017-04-03 | Mccarthy Sean A. (President and CEO) | Option Ex | 4,781 | .94 | 4,518 |
| 2017-03-27 | Tepper Robert I (10% Owner) | Sale | 650,000 | 18.00 | 11,700,000 |
| 2017-03-23 | Tepper Robert I (10% Owner) | Sale | 1,000,000 | 17.00 | 17,000,000 |
| 2017-03-20 | Mccarthy Sean A. (President and CEO) | Sale | 14,343 | 19.60 | 281,122 |
| 2017-03-20 | Mccarthy Sean A. (President and CEO) | Option Ex | 14,343 | .94 | 13,554 |
| 2017-03-20 | Goeltz Ii Robert C. (Chief Financial Officer) | Sale | 21,517 | 19.80 | 426,036 |
| 2017-03-20 | Goeltz Ii Robert C. (Chief Financial Officer) | Option Ex | 21,517 | 4.47 | 96,245 |
| 2017-03-09 | Goeltz Ii Robert C. (Chief Financial Officer) | Option Ex | 2,500 | 4.47 | 11,182 |
| 2017-03-03 | Mccarthy Sean A. (President and CEO) | Sale | 14,343 | 15.00 | 215,145 |
| 2017-03-03 | Mccarthy Sean A. (President and CEO) | Option Ex | 14,343 | 1.13 | 16,264 |
| 2016-12-28 | Humphrey Rachel (Chief Medical Officer) | Option Ex | 15,117 | 6.62 | 99,998 |
| 2016-11-29 | Canaan Partners Ix Llc (Director) | Sale | 22,086 | 11.18 | 247,009 |
| 2016-11-29 | Shannon Timothy M | Sale | 22,086 | 11.18 | 247,009 |
| 2016-11-28 | Canaan Partners Ix Llc (Director) | Sale | 20,840 | 11.33 | 236,138 |
| 2016-11-28 | Shannon Timothy M | Sale | 20,840 | 11.33 | 236,138 |
| 2016-11-25 | Canaan Partners Ix Llc (Director) | Sale | 6,729 | 11.79 | 79,341 |
| 2016-11-25 | Shannon Timothy M | Sale | 6,729 | 11.79 | 79,341 |
| 2016-11-23 | Canaan Partners Ix Llc (Director) | Sale | 10,890 | 11.84 | 128,926 |
| 2016-11-23 | Shannon Timothy M | Sale | 10,890 | 11.84 | 128,926 |
| 2016-11-22 | Canaan Partners Ix Llc (Director) | Sale | 42,550 | 11.71 | 498,090 |
| 2016-11-22 | Shannon Timothy M | Sale | 42,550 | 11.71 | 498,090 |
| 2016-11-21 | Canaan Partners Ix Llc (Director) | Sale | 13,548 | 11.72 | 158,782 |
| 2016-11-21 | Shannon Timothy M | Sale | 13,548 | 11.72 | 158,782 |
| 2016-11-18 | Canaan Partners Ix Llc (Director) | Sale | 12,805 | 11.64 | 149,088 |
| 2016-11-18 | Shannon Timothy M | Sale | 12,805 | 11.64 | 149,088 |
| 2016-11-17 | Canaan Partners Ix Llc (Director) | Sale | 18,971 | 11.50 | 218,223 |
| 2016-11-17 | Shannon Timothy M | Sale | 18,971 | 11.50 | 218,223 |
| 2016-11-16 | Canaan Partners Ix Llc (Director) | Sale | 18,517 | 11.55 | 213,945 |
| 2016-11-16 | Shannon Timothy M | Sale | 18,517 | 11.55 | 213,945 |
| 2016-11-15 | Canaan Partners Ix Llc (Director) | Sale | 33,064 | 11.48 | 379,475 |
| 2016-11-15 | Shannon Timothy M | Sale | 33,064 | 11.48 | 379,475 |
| 2016-11-14 | Shannon Timothy M | Sale | 23,744 | 11.21 | 266,051 |
| 2016-11-11 | Shannon Timothy M | Sale | 35,391 | 11.20 | 396,449 |
| 2016-11-10 | Shannon Timothy M | Sale | 27,135 | 11.07 | 300,384 |
| 2016-11-09 | Canaan Partners Ix Llc (Director) | Sale | 13,730 | 11.03 | 151,496 |
| 2016-11-09 | Shannon Timothy M | Sale | 13,730 | 11.03 | 151,496 |
| 2016-09-29 | Goeltz Ii Robert C. (Chief Financial Officer) | Option Ex | 4,000 | 4.47 | 17,892 |
| 2016-08-09 | Gluck Frederick W | Option Ex | 93,124 | 1.28 | 118,826 |
| 2016-06-10 | Canaan Partners Ix Llc (Director) | Sale | 2,700 | 10.01 | 27,027 |
| 2016-06-10 | Shannon Timothy M (Director) | Sale | 2,700 | 10.01 | 27,027 |
| 2016-06-09 | Canaan Partners Ix Llc (Director) | Sale | 22,842 | 10.06 | 229,790 |
| 2016-06-09 | Shannon Timothy M (Director) | Sale | 22,842 | 10.06 | 229,790 |
| 2016-06-08 | Canaan Partners Ix Llc (Director) | Sale | 22,885 | 10.08 | 230,680 |
| 2016-06-08 | Shannon Timothy M (Director) | Sale | 22,885 | 10.08 | 230,680 |
| 2016-06-07 | Canaan Partners Ix Llc (Director) | Sale | 9,731 | 10.03 | 97,601 |
| 2016-06-07 | Shannon Timothy M (Director) | Sale | 9,731 | 10.03 | 97,601 |
| 2016-06-06 | Canaan Partners Ix Llc (Director) | Sale | 101,767 | 10.01 | 1,018,687 |
| 2016-06-06 | Shannon Timothy M (Director) | Sale | 101,767 | 10.01 | 1,018,687 |
| 2016-06-03 | Canaan Partners Ix Llc (Director) | Sale | 18,428 | 10.83 | 199,575 |
| 2016-06-03 | Shannon Timothy M (Director) | Sale | 18,428 | 10.83 | 199,575 |
| 2016-06-02 | Canaan Partners Ix Llc (Director) | Sale | 41,193 | 10.79 | 444,472 |
| 2016-06-02 | Shannon Timothy M (Director) | Sale | 41,193 | 10.79 | 444,472 |
| 2016-06-01 | Canaan Partners Ix Llc (Director) | Sale | 22,463 | 10.75 | 241,477 |
| 2016-06-01 | Shannon Timothy M (Director) | Sale | 22,463 | 10.75 | 241,477 |
| 2016-05-27 | Canaan Partners Ix Llc (Director) | Sale | 25,082 | 10.60 | 265,869 |
| 2016-05-27 | Shannon Timothy M (Director) | Sale | 25,082 | 10.60 | 265,869 |
| 2016-05-26 | Canaan Partners Ix Llc (Director) | Sale | 39,887 | 10.43 | 416,021 |
| 2016-05-26 | Shannon Timothy M (Director) | Sale | 39,887 | 10.43 | 416,021 |
| 2016-05-25 | Canaan Partners Ix Llc (Director) | Sale | 11,456 | 10.02 | 114,789 |
| 2016-05-25 | Shannon Timothy M (Director) | Sale | 11,456 | 10.02 | 114,789 |
| 2016-05-24 | Canaan Partners Ix Llc (Director) | Sale | 1,200 | 10.00 | 12,000 |
| 2016-05-24 | Shannon Timothy M | Sale | 1,200 | 10.00 | 12,000 |
| 2016-05-23 | Canaan Partners Ix Llc (Director) | Sale | 12,053 | 10.10 | 121,735 |
| 2016-05-23 | Shannon Timothy M | Sale | 12,053 | 10.10 | 121,735 |
| 2016-05-20 | Canaan Partners Ix Llc (Director) | Sale | 6,187 | 10.09 | 62,426 |
| 2016-05-20 | Shannon Timothy M | Sale | 6,187 | 10.09 | 62,426 |
| 2016-05-19 | Canaan Partners Ix Llc (Director) | Sale | 2,500 | 10.14 | 25,350 |
| 2016-05-19 | Shannon Timothy M | Sale | 2,500 | 10.14 | 25,350 |
| 2016-05-12 | Goeltz Ii Robert C. (Chief Financial Officer) | Option Ex | 2,000 | 4.47 | 8,946 |
| 2015-12-31 | Kavanaugh William Michael (Chief Scientific Officer and) | Option Ex | 8,917 | 6.62 | 58,985 |
| 2015-10-14 | Deerfield Private Design Fund Iii, L.p. | Buy | 625,000 | 12.00 | 7,500,000 |
| 2015-10-14 | Kavanaugh William Michael (CSO, Head Res.&Non-Clin. Dev.) | Buy | 5,000 | 12.00 | 60,000 |
| 2015-10-14 | Ladd Cynthia J (Senior VP and General Counsel) | Buy | 3,000 | 12.00 | 36,000 |
| 2015-10-14 | Gluck Frederick W | Buy | 15,000 | 12.00 | 180,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of CTMX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Cytomx Therapeutics, Inc. (symbol CTMX, CIK number 1501989) see the Securities and Exchange Commission (SEC) website.