Sean A. Mccarthy serves as Executive at CytomX Therapeutics, Inc., where they oversee executive responsibilities. Since joining the company, Sean A. Mccarthy has executed 103 insider transactions totaling $8.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 2, 2026 involved receiving (via award) 980,000 shares valued at $0.
Sean A. Mccarthy currently holds 980,000 shares of CytomX Therapeutics, Inc. (CTMX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Sean A. Mccarthy has been a net seller of CTMX stock. They have purchased $0 and sold $8.1M worth of shares.
Sean A. Mccarthy's most recent insider trade was on Feb 2, 2026, when they sold 980,000 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Nov 6, 2025 | CTMX | $462.1K | Sale | 101,793 | $4.54 | Discretionary |
| Aug 20, 2024 | CTMX | $0 | Option Exercise | 37,500 | $N/A | Discretionary |
| Aug 20, 2024 | CTMX | $17.1K | Sale | 13,898 | $1.23 | Discretionary |
| Mar 26, 2024 | CTMX | $172.3K | Option Exercise | 109,768 | $1.57 | Discretionary |
| Mar 19, 2024 | CTMX | $42.3K | Sale | 20,223 | $2.09 | Discretionary |
| Jan 18, 2024 | CTMX | $0 | Award | 90,000 | $N/A | Discretionary |
| Dec 20, 2023 | CTMX | $18.7K | Sale | 13,551 | $1.38 | Discretionary |
| Dec 17, 2023 | CTMX | $0 | Option Exercise | 37,500 | $N/A | Discretionary |
| Sep 22, 2023 | CTMX | $19.0K | Sale | 14,601 | $1.30 | Discretionary |
| Sep 20, 2023 | CTMX | $0 | Award | 40,000 | $N/A | Discretionary |
| May 19, 2023 | CTMX | $26.0K | Option Exercise | 16,535 | $1.57 | Discretionary |
| Mar 16, 2023 | CTMX | $13.4K | Sale | 7,121 | $1.88 | Discretionary |
| Feb 2, 2023 | CTMX | $0 | Award | 105,000 | $N/A | Discretionary |
| Jul 20, 2022 | CTMX | $21.2K | Sale | 14,911 | $1.42 | Discretionary |
| Jul 19, 2022 | CTMX | $0 | Award | 40,000 | $N/A | Discretionary |
| May 9, 2022 | CTMX | $63.4K | Option Exercise | 66,742 | $0.95 | Discretionary |
| May 9, 2022 | CTMX | $23.0K | Option Exercise | 24,189 | $0.95 | Discretionary |
| Feb 2, 2022 | CTMX | $0 | Award | 75,000 | $N/A | Discretionary |
| Aug 11, 2021 | CTMX | $104.1K | Option Exercise | 92,113 | $1.13 | Discretionary |
| Jun 16, 2021 | CTMX | $704.0K | Sale | 100,000 | $7.04 | Discretionary |
| Jun 14, 2021 | CTMX | $34 | Option Exercise | 30 | $1.13 | Discretionary |
| Jun 14, 2021 | CTMX | $10 | Option Exercise | 10 | $0.95 | Discretionary |
| Mar 31, 2021 | CTMX | $749.0K | Sale | 100,000 | $7.49 | Discretionary |
| Mar 31, 2021 | CTMX | $113.0K | Option Exercise | 100,000 | $1.13 | Discretionary |
| Dec 23, 2020 | CTMX | $113.0K | Option Exercise | 100,000 | $1.13 | Discretionary |
| Nov 30, 2020 | CTMX | $5.9K | Award | 930 | $6.39 | Discretionary |
| Sep 21, 2020 | CTMX | $135.5K | Option Exercise | 20,500 | $6.61 | Discretionary |
| May 29, 2020 | CTMX | $5.9K | Award | 1,158 | $5.11 | Discretionary |