Company · CIK 1501989 # CytomX Therapeutics, Inc. | CIK | [1501989](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001501989) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | CA | | Listed | CTMX (Nasdaq) | | First annual or quarterly report | 2015-11-23 | ## Offerings 9 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-294342 | Shelf Effective | 2026-03-16 | 2026-03-18 | 3 | | 333-289365 | Shelf Effective | 2025-08-07 | 2025-08-18 | 2 | | 333-281433 | Shelf Effective | 2024-08-09 | 2025-05-12 | 3 | | 333-274010 | Shelf Effective | 2023-08-16 | 2023-08-25 | 2 | | 333-258510 | Shelf Effective | 2021-08-05 | 2022-03-04 | 3 | | 333-228203 | Shelf Effective | 2018-11-06 | 2021-01-21 | 5 | | 333-214418 | Shelf Effective | 2016-11-03 | 2018-07-13 | 4 | | 333-216567 | Shelf Effective | 2017-03-09 | 2017-03-20 | 2 | | 333-206658 | IPO Final prospectus | 2015-08-28 | 2015-10-08 | 8 | ## Filings 33 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-03-18 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312526113931/0001193125-26-113931-index.htm) Shelf takedown | 333-294342 | 0001193125-26-113931 | | 2026-03-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312526108461/0001193125-26-108461-index.htm) Shelf takedown | 333-294342 | 0001193125-26-108461 | | 2026-03-16 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1501989/000119312526108302/0001193125-26-108302-index.htm) Shelf registered | 333-294342 | 0001193125-26-108302 | | 2025-08-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1501989/999999999525002666/9999999995-25-002666-index.htm) Declared effective | 333-289365 | 9999999995-25-002666 | | 2025-08-07 | [S-3](https://www.sec.gov/Archives/edgar/data/1501989/000119312525175465/0001193125-25-175465-index.htm) Shelf registered | 333-289365 | 0001193125-25-175465 | | 2025-05-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312525117880/0001193125-25-117880-index.htm) Shelf takedown | 333-281433 | 0001193125-25-117880 | | 2024-08-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1501989/999999999524002578/9999999995-24-002578-index.htm) Declared effective | 333-281433 | 9999999995-24-002578 | | 2024-08-09 | [S-3](https://www.sec.gov/Archives/edgar/data/1501989/000119312524197826/0001193125-24-197826-index.htm) Shelf registered | 333-281433 | 0001193125-24-197826 | | 2023-08-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1501989/999999999523002501/9999999995-23-002501-index.htm) Declared effective | 333-274010 | 9999999995-23-002501 | | 2023-08-16 | [S-3](https://www.sec.gov/Archives/edgar/data/1501989/000119312523213683/0001193125-23-213683-index.htm) Shelf registered | 333-274010 | 0001193125-23-213683 | | 2022-03-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312522066325/0001193125-22-066325-index.htm) Shelf takedown | 333-258510 | 0001193125-22-066325 | | 2021-08-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1501989/999999999521003235/9999999995-21-003235-index.htm) Declared effective | 333-258510 | 9999999995-21-003235 | | 2021-08-05 | [S-3](https://www.sec.gov/Archives/edgar/data/1501989/000119312521237879/0001193125-21-237879-index.htm) Shelf registered | 333-258510 | 0001193125-21-237879 | | 2021-01-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312521013638/0001193125-21-013638-index.htm) Shelf takedown | 333-228203 | 0001193125-21-013638 | | 2021-01-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312521011599/0001193125-21-011599-index.htm) Shelf takedown | 333-228203 | 0001193125-21-011599 | | 2020-02-27 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312520053023/0001193125-20-053023-index.htm) Shelf takedown | 333-228203 | 0001193125-20-053023 | | 2019-02-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1501989/999999999519000158/9999999995-19-000158-index.htm) Declared effective | 333-228203 | 9999999995-19-000158 | | 2018-11-06 | [S-3](https://www.sec.gov/Archives/edgar/data/1501989/000156459018027415/0001564590-18-027415-index.htm) Shelf registered | 333-228203 | 0001564590-18-027415 | | 2018-07-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312518217946/0001193125-18-217946-index.htm) Shelf takedown | 333-214418 | 0001193125-18-217946 | | 2018-07-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1501989/000119312518215425/0001193125-18-215425-index.htm) Shelf takedown | 333-214418 | 0001193125-18-215425 | | 2017-03-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1501989/999999999517000601/9999999995-17-000601-index.htm) Declared effective | 333-216567 | 9999999995-17-000601 | | 2017-03-09 | [S-3](https://www.sec.gov/Archives/edgar/data/1501989/000119312517076937/0001193125-17-076937-index.htm) Shelf registered | 333-216567 | 0001193125-17-076937 | | 2016-12-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1501989/999999999516006395/9999999995-16-006395-index.htm) Declared effective | 333-214418 | 9999999995-16-006395 | | 2016-11-03 | [S-3](https://www.sec.gov/Archives/edgar/data/1501989/000119312516759000/0001193125-16-759000-index.htm) Shelf registered | 333-214418 | 0001193125-16-759000 | | 2015-10-08 | [424B4](https://www.sec.gov/Archives/edgar/data/1501989/000119312515340412/0001193125-15-340412-index.htm) Final prospectus | 333-206658 | 0001193125-15-340412 | | 2015-10-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1501989/999999999515002675/9999999995-15-002675-index.htm) Declared effective | 333-206658 | 9999999995-15-002675 | | 2015-10-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1501989/000119312515338434/0001193125-15-338434-index.htm) Amendment | 333-206658 | 0001193125-15-338434 | | 2015-10-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1501989/000119312515336443/0001193125-15-336443-index.htm) Amendment | 333-206658 | 0001193125-15-336443 | | 2015-09-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1501989/000119312515329662/0001193125-15-329662-index.htm) Amendment | 333-206658 | 0001193125-15-329662 | | 2015-09-18 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1501989/000119312515322694/0001193125-15-322694-index.htm) Amendment | 333-206658 | 0001193125-15-322694 | | 2015-09-11 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1501989/000119312515318576/0001193125-15-318576-index.htm) Amendment | 333-206658 | 0001193125-15-318576 | | 2015-08-28 | [S-1](https://www.sec.gov/Archives/edgar/data/1501989/000119312515307013/0001193125-15-307013-index.htm) Registration filed | 333-206658 | 0001193125-15-307013 | | 2015-07-24 | [DRS](https://www.sec.gov/Archives/edgar/data/1501989/000095012315007673/0000950123-15-007673-index.htm) Draft made public | 377-01082 | 0000950123-15-007673 | [All filings of this company](https://equitycapital.markets/filings?cik=1501989) · [CSV](https://equitycapital.markets/filings.csv?cik=1501989) --- Source page: https://equitycapital.markets/company/1501989 · Data: U.S. SEC EDGAR · CC BY 4.0