Company · CIK 1810182 # ALX ONCOLOGY HOLDINGS INC | CIK | [1810182](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001810182) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | CA | | Listed | ALXO (Nasdaq) | | First annual or quarterly report | 2020-08-27 | ## Offerings 6 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-285620 | Shelf Effective | 2025-03-06 | 2026-01-30 | 3 | | 333-263863 | Shelf Effective | 2022-03-25 | 2023-10-06 | 5 | | 333-274314 | Shelf Effective | 2023-09-01 | 2023-09-08 | 2 | | 333-258812 | Shelf Effective | 2021-08-13 | 2022-05-31 | 3 | | 333-251171 | Registered company Final prospectus | 2020-12-07 | 2020-12-11 | 3 | | 333-239490 | IPO Final prospectus | 2020-06-26 | 2020-07-17 | 4 | ## Filings 22 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-01-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1810182/000119312526031754/0001193125-26-031754-index.htm) Shelf takedown | 333-285620 | 0001193125-26-031754 | | 2025-04-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1810182/999999999525001231/9999999995-25-001231-index.htm) Declared effective | 333-285620 | 9999999995-25-001231 | | 2025-03-06 | [S-3](https://www.sec.gov/Archives/edgar/data/1810182/000119312525048564/0001193125-25-048564-index.htm) Shelf registered | 333-285620 | 0001193125-25-048564 | | 2023-10-06 | [424B5](https://www.sec.gov/Archives/edgar/data/1810182/000119312523251913/0001193125-23-251913-index.htm) Shelf takedown | 333-263863 | 0001193125-23-251913 | | 2023-10-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1810182/000119312523250821/0001193125-23-250821-index.htm) Shelf takedown | 333-263863 | 0001193125-23-250821 | | 2023-09-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1810182/999999999523002617/9999999995-23-002617-index.htm) Declared effective | 333-274314 | 9999999995-23-002617 | | 2023-09-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1810182/000119312523227645/0001193125-23-227645-index.htm) Shelf registered | 333-274314 | 0001193125-23-227645 | | 2023-08-25 | [424B5](https://www.sec.gov/Archives/edgar/data/1810182/000119312523221567/0001193125-23-221567-index.htm) Shelf takedown | 333-263863 | 0001193125-23-221567 | | 2022-05-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1810182/999999999522001634/9999999995-22-001634-index.htm) Declared effective | 333-258812 | 9999999995-22-001634 | | 2022-05-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1810182/999999999522001588/9999999995-22-001588-index.htm) Declared effective | 333-263863 | 9999999995-22-001588 | | 2022-03-25 | [S-3](https://www.sec.gov/Archives/edgar/data/1810182/000119312522085234/0001193125-22-085234-index.htm) Shelf registered | 333-263863 | 0001193125-22-085234 | | 2021-12-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1810182/000119312521361264/0001193125-21-361264-index.htm) Shelf takedown | 333-258812 | 0001193125-21-361264 | | 2021-08-13 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1810182/000119312521246134/0001193125-21-246134-index.htm) Shelf registered | 333-258812 | 0001193125-21-246134 | | 2020-12-11 | [424B4](https://www.sec.gov/Archives/edgar/data/1810182/000119312520315060/0001193125-20-315060-index.htm) Final prospectus | 333-251171 | 0001193125-20-315060 | | 2020-12-09 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1810182/999999999520003466/9999999995-20-003466-index.htm) Declared effective | 333-251171 | 9999999995-20-003466 | | 2020-12-07 | [S-1](https://www.sec.gov/Archives/edgar/data/1810182/000119312520311731/0001193125-20-311731-index.htm) Registration filed | 333-251171 | 0001193125-20-311731 | | 2020-11-24 | [DRS](https://www.sec.gov/Archives/edgar/data/1810182/000095012320012354/0000950123-20-012354-index.htm) Draft made public | 377-03819 | 0000950123-20-012354 | | 2020-07-17 | [424B4](https://www.sec.gov/Archives/edgar/data/1810182/000119312520194755/0001193125-20-194755-index.htm) Final prospectus | 333-239490 | 0001193125-20-194755 | | 2020-07-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1810182/999999999520001829/9999999995-20-001829-index.htm) Declared effective | 333-239490 | 9999999995-20-001829 | | 2020-07-13 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1810182/000119312520191500/0001193125-20-191500-index.htm) Amendment | 333-239490 | 0001193125-20-191500 | | 2020-06-26 | [S-1](https://www.sec.gov/Archives/edgar/data/1810182/000119312520181021/0001193125-20-181021-index.htm) Registration filed | 333-239490 | 0001193125-20-181021 | | 2020-05-05 | [DRS](https://www.sec.gov/Archives/edgar/data/1810182/000095012320003925/0000950123-20-003925-index.htm) Draft made public | 377-03152 | 0000950123-20-003925 | [All filings of this company](https://equitycapital.markets/filings?cik=1810182) · [CSV](https://equitycapital.markets/filings.csv?cik=1810182) --- Source page: https://equitycapital.markets/company/1810182 · Data: U.S. SEC EDGAR · CC BY 4.0