Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-15 5:09 pm Purchase | 2026-03-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | Seven Fleet Capital Management LP | 1,085,398 0.500% | 1,036,500![]() (+2119.72%) | Filing History |
| 2026-05-15 4:46 pm Purchase | 2026-03-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | Longitude Capital Partners V, LLC | 15,288,461 7.000% | 3,750,000![]() (+32.50%) | Filing History |
| 2026-05-15 4:36 pm Sale | 2026-03-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | Venrock Healthcare Capital Partners III, L.P. | 9,982,124 4.600% | -5,579,376![]() (-35.85%) | Filing History |
| 2026-05-15 4:01 pm Purchase | 2026-03-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | Kynam Capital Management, LP | 15,013,093 6.900% | 6,047,016![]() (+67.44%) | Filing History |
| 2026-05-15 4:00 pm Purchase | 2026-03-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | Perceptive Advisors LLC | 10,098,824 4.600% | 418,639![]() (+4.32%) | Filing History |
| 2026-04-16 4:10 pm Purchase | 2026-04-15 | 13G | CYTOMX THERAPEUTICS INC CTMX | Point72 Asset Management, L.P. | 10,864,581 5.000% | 6,796,006![]() (+167.04%) | Filing History |
| 2026-03-26 5:40 pm Sale | 2026-03-13 | 13G | CYTOMX THERAPEUTICS INC CTMX | VANGUARD GROUP INC | 0 0.000% | -9,379,794![]() (Position Closed) | Filing History |
| 2026-03-04 3:18 pm Purchase | 2025-12-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | Kynam Capital Management, LP | 8,966,077 5.290% | 8,966,077![]() (New Position) | Filing History |
| 2026-02-17 6:23 pm Sale | 2025-12-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | ORBIMED ADVISORS LLC | 3,525,650 2.100% | -4,935,850![]() (-58.33%) | Filing History |
| 2026-02-17 4:15 pm Sale | 2025-12-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | TANG CAPITAL MANAGEMENT, LLC | 0 0.000% | -11,065,662![]() (Position Closed) | Filing History |
| 2026-02-05 1:20 pm Purchase | 2025-12-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | FMR LLC | 24,688,109 14.600% | 4,168,142![]() (+20.31%) | Filing History |
| 2025-11-14 5:30 pm Purchase | 2025-09-30 | 13G | CYTOMX THERAPEUTICS INC CTMX | Venrock Healthcare Capital Partners III, L.P. | 15,561,500 9.400% | 2,569,000![]() (+19.77%) | Filing History |
| 2025-11-14 4:08 pm Sale | 2025-09-30 | 13G | CYTOMX THERAPEUTICS INC CTMX | Point72 Asset Management, L.P. | 4,068,575 2.500% | -4,016,048![]() (-49.68%) | Filing History |
| 2025-11-14 12:04 pm Purchase | 2025-09-30 | 13G | CYTOMX THERAPEUTICS INC CTMX | Seven Fleet Capital Management LP | 48,898 0.020% | 48,898![]() (New Position) | Filing History |
| 2025-11-07 11:13 am Purchase | 2025-10-31 | 13G | CYTOMX THERAPEUTICS INC CTMX | FMR LLC | 20,519,967 12.400% | 5,123,767![]() (+33.28%) | Filing History |
| 2025-11-05 11:30 am Purchase | 2025-09-30 | 13G | CYTOMX THERAPEUTICS INC CTMX | FMR LLC | 15,396,200 9.300% | 6,157,332![]() (+66.65%) | Filing History |
| 2025-08-21 4:00 pm Purchase | 2025-08-14 | 13G | CYTOMX THERAPEUTICS INC CTMX | Perceptive Advisors LLC | 9,680,185 5.900% | 7,103,142![]() (+275.63%) | Filing History |
| 2025-08-14 6:07 pm Purchase | 2025-06-30 | 13G | CYTOMX THERAPEUTICS INC CTMX | ORBIMED ADVISORS LLC | 8,461,500 5.400% | 8,461,500![]() (New Position) | Filing History |
| 2025-08-14 5:30 pm Sale | 2025-06-30 | 13G | CYTOMX THERAPEUTICS INC CTMX | Point72 Asset Management, L.P. | 8,084,623 5.100% | -5,009,777![]() (-38.26%) | Filing History |
| 2025-08-14 4:15 pm Purchase | 2025-06-30 | 13G | CYTOMX THERAPEUTICS INC CTMX | TANG CAPITAL MANAGEMENT, LLC | 11,065,662 7.000% | 4,347,837![]() (+64.72%) | Filing History |

