Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-03-18 Sale |
2025-03-20 4:34 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
37,656 | $0.599 | $22,556 | 1,088,353 (Indirect Direct) |
View |
2024-08-20 Sale |
2024-08-22 5:58 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
13,898 | $1.2291 | $17,082 | 751,009 (Indirect Direct) |
View |
2024-03-19 Sale |
2024-03-21 4:40 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
20,223 | $2.0855 | $42,175 | 617,639 (Indirect Direct) |
View |
2023-12-20 Sale |
2023-12-22 4:16 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
13,551 | $1.3807 | $18,710 | 547,862 (Indirect Direct) |
View |
2023-09-22 Sale |
2023-09-22 7:13 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
14,601 | $1.3004 | $18,987 | 523,913 (Indirect Direct) |
View |
2023-03-16 Sale |
2023-03-20 6:43 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
7,121 | $1.8805 | $13,391 | 481,979 (Indirect Direct) |
View |
2022-07-20 Sale |
2022-07-21 4:10 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
14,911 | $1.4222 | $21,206 | 384,100 (Indirect Direct) |
View |
2021-06-16 Sale |
2021-06-21 3:51 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
100,000 | $7.0447 | $704,470 | 100,967 (Indirect Direct) |
View |
2021-03-31 Sale |
2021-04-02 5:37 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
100,000 | $7.4947 | $749,470 | 299,037 (Direct) |
View |
2020-05-12 Sale |
2020-05-14 4:31 pm |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
36,000 | $15 | $540,000 | 376,449 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-02-04 Option Award |
2025-02-06 5:54 pm |
N/A 2035-02-03 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
1,565,000 | $0 | 2,316,009 (Direct) |
View |
2024-08-20 Exercise |
2024-08-22 5:58 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
37,500 | $0 | 751,009 (Direct) |
View |
2024-03-26 Exercise |
2024-03-28 7:12 pm |
N/A 2025-02-08 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
109,768 | $0 | 727,407 (Direct) |
View |
2024-03-26 Exercise |
2024-03-28 7:12 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
109,768 | $1.5749 | 727,407 (Direct) |
View |
2024-01-18 Option Award |
2024-01-19 8:44 pm |
N/A 2034-01-17 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
770,000 | $0 | 1,317,862 (Direct) |
View |
2023-12-17 Exercise |
2023-12-19 7:57 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
37,500 | $0 | 598,913 (Direct) |
View |
2023-09-20 Option Award |
2023-09-22 7:13 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
40,000 | $0 | 523,913 (Direct) |
View |
2023-05-19 Exercise |
2023-05-23 4:52 pm |
N/A 2025-02-08 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
16,535 | $0 | 618,050 (Direct) |
View |
2023-05-19 Exercise |
2023-05-23 4:52 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
16,535 | $1.5749 | 618,050 (Direct) |
View |
2023-02-02 Option Award |
2023-02-06 4:50 pm |
N/A 2033-02-01 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
720,000 | $0 | 1,104,100 (Direct) |
View |
2022-08-10 Option Award |
2022-08-12 5:01 pm |
N/A 2032-08-09 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. CEO |
525,000 | $0 | 525,000 (Direct) |
View |
2022-07-19 Option Award |
2022-07-21 4:10 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
40,000 | $0 | 384,100 (Direct) |
View |
2022-05-09 Exercise |
2022-05-11 4:51 pm |
N/A 2023-02-25 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
90,931 | $0 | 359,011 (Direct) |
View |
2022-05-09 Exercise |
2022-05-11 4:51 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
90,931 | $0.945 | 359,011 (Direct) |
View |
2022-02-02 Option Award |
2022-02-04 4:49 pm |
N/A 2032-02-01 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
525,000 | $0 | 718,080 (Direct) |
View |
2021-10-24 Option Award |
2021-10-26 4:30 pm |
N/A 2031-10-23 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
180,000 | $0 | 180,000 (Direct) |
View |
2021-08-11 Exercise |
2021-08-13 5:22 pm |
N/A 2021-09-20 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
92,113 | $0 | 193,080 (Direct) |
View |
2021-08-11 Exercise |
2021-08-13 5:22 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
92,113 | $1.1339 | 193,080 (Direct) |
View |
2021-06-14 Exercise |
2021-06-16 9:49 pm |
N/A 2021-09-20 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
40 | $0 | 359,822 (Direct) |
View |
2021-06-14 Exercise |
2021-06-16 9:49 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
10 | $0.945 | 359,822 (Direct) |
View |
2021-06-14 Exercise |
2021-06-16 9:49 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
30 | $1.1339 | 359,822 (Direct) |
View |
2021-03-31 Exercise |
2021-04-02 5:37 pm |
N/A 2021-09-20 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
100,000 | $0 | 299,037 (Direct) |
View |
2021-03-31 Exercise |
2021-04-02 5:37 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
100,000 | $1.1339 | 299,037 (Direct) |
View |
2021-02-26 Option Award |
2021-03-02 4:58 pm |
N/A 2031-02-25 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
600,000 | $0 | 600,000 (Direct) |
View |
2020-12-23 Exercise |
2020-12-28 7:52 pm |
N/A 2021-09-20 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
100,000 | $0 | 399,037 (Direct) |
View |
2020-12-23 Exercise |
2020-12-28 7:52 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
100,000 | $1.1339 | 399,037 (Direct) |
View |
2020-11-30 Option Award |
2020-12-07 4:58 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
930 | $6.392 | 106,894 (Direct) |
View |
2020-09-21 Exercise |
2020-09-23 4:53 pm |
N/A 2025-08-25 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
20,500 | $0 | 105,964 (Direct) |
View |
2020-09-21 Exercise |
2020-09-23 4:53 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
20,500 | $6.6147 | 105,964 (Direct) |
View |
2020-05-29 Option Award |
2020-06-02 4:54 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
1,158 | $5.1085 | 85,464 (Direct) |
View |
2020-05-12 Exercise |
2020-05-14 4:31 pm |
N/A 2021-09-20 |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
36,000 | $0 | 376,449 (Direct) |
View |
2020-05-12 Exercise |
2020-05-14 4:31 pm |
N/A N/A |
CytomX Therapeutics Inc. | CTMX | McCarthy Sean A. President and CEO |
36,000 | $1.1339 | 376,449 (Direct) |
View |