Company · CIK 1671584

# Aptevo Therapeutics Inc.

| CIK | [1671584](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001671584) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | DE |
| Business address | WA |
| Listed | APVO (Nasdaq) |
| First annual or quarterly report | 2016-08-25 |

## Offerings

 19 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-298483 | Registered company Final prospectus | 2026-08-21 | 2026-09-03 | 3 |
| 333-293010 | Registered company Final prospectus | 2026-01-28 | 2026-01-30 | 3 |
| 333-290663 | Registered company Final prospectus | 2025-10-01 | 2025-11-25 | 3 |
| 333-288959 | Registered company Final prospectus | 2025-07-25 | 2025-08-08 | 3 |
| 333-284969 | Shelf Final prospectus | 2025-02-14 | 2025-06-20 | 8 |
| 333-288061 | Registered company Final prospectus | 2025-06-16 | 2025-06-20 | 3 |
| 333-287244 | Registered company Effective | 2025-05-13 | 2025-05-22 | 2 |
| 333-285476 | Registered company Withdrawn | 2025-03-03 | 2025-05-13 | 6 |
| 333-286952 | Shelf Withdrawn | 2025-05-02 | 2025-05-13 | 2 |
| 333-283983 | Shelf Effective | 2024-12-20 | 2025-01-02 | 2 |
| 333-281892 | Registered company Final prospectus | 2024-08-30 | 2024-09-17 | 3 |
| 333-280226 | Registered company Final prospectus | 2024-06-14 | 2024-06-28 | 4 |
| 333-278103 | Registered company Final prospectus | 2024-03-20 | 2024-04-12 | 5 |
| 333-275710 | Shelf Effective | 2023-11-22 | 2023-11-30 | 2 |
| 333-273067 | Registered company Final prospectus | 2023-06-30 | 2023-08-03 | 5 |
| 333-251318 | Shelf Effective | 2020-12-14 | 2022-03-29 | 5 |
| 333-258758 | Shelf Effective | 2021-08-12 | 2021-08-19 | 2 |
| 333-221499 | Shelf Effective | 2017-11-13 | 2019-08-12 | 5 |
| 333-229115 | Shelf Effective | 2019-01-02 | 2019-02-13 | 3 |

## Filings

 70

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2026-09-03 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000119312526381149/0001193125-26-381149-index.htm) Final prospectus | 333-298483 | 0001193125-26-381149 |
| 2026-09-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999526002871/9999999995-26-002871-index.htm) Declared effective | 333-298483 | 9999999995-26-002871 |
| 2026-08-21 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000119312526361103/0001193125-26-361103-index.htm) Registration filed | 333-298483 | 0001193125-26-361103 |
| 2026-01-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999526000430/9999999995-26-000430-index.htm) Declared effective | 333-293010 | 9999999995-26-000430 |
| 2026-01-30 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000119312526032011/0001193125-26-032011-index.htm) Final prospectus | 333-293010 | 0001193125-26-032011 |
| 2026-01-28 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000119312526027200/0001193125-26-027200-index.htm) Registration filed | 333-293010 | 0001193125-26-027200 |
| 2025-11-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999525003381/9999999995-25-003381-index.htm) Declared effective | 333-290663 | 9999999995-25-003381 |
| 2025-11-25 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000119312525297513/0001193125-25-297513-index.htm) Final prospectus | 333-290663 | 0001193125-25-297513 |
| 2025-10-01 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000119312525226825/0001193125-25-226825-index.htm) Registration filed | 333-290663 | 0001193125-25-226825 |
| 2025-08-08 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017025105823/0000950170-25-105823-index.htm) Final prospectus | 333-288959 | 0000950170-25-105823 |
| 2025-08-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999525002457/9999999995-25-002457-index.htm) Declared effective | 333-288959 | 9999999995-25-002457 |
| 2025-07-25 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000095017025098788/0000950170-25-098788-index.htm) Registration filed | 333-288959 | 0000950170-25-098788 |
| 2025-06-20 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000095017025088588/0000950170-25-088588-index.htm) Shelf takedown | 333-284969 | 0000950170-25-088588 |
| 2025-06-20 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017025088195/0000950170-25-088195-index.htm) Final prospectus | 333-288061 | 0000950170-25-088195 |
| 2025-06-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999525001965/9999999995-25-001965-index.htm) Declared effective | 333-288061 | 9999999995-25-001965 |
| 2025-06-16 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000095017025086548/0000950170-25-086548-index.htm) Registration filed | 333-288061 | 0000950170-25-086548 |
| 2025-05-30 | [DRS](https://www.sec.gov/Archives/edgar/data/1671584/000095012325005937/0000950123-25-005937-index.htm) Draft made public | 377-08065 | 0000950123-25-005937 |
| 2025-05-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999525001715/9999999995-25-001715-index.htm) Declared effective | 333-287244 | 9999999995-25-001715 |
| 2025-05-22 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000095017025076336/0000950170-25-076336-index.htm) Shelf takedown | 333-284969 | 0000950170-25-076336 |
| 2025-05-13 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000095017025070551/0000950170-25-070551-index.htm) Registration filed | 333-287244 | 0000950170-25-070551 |
| 2025-05-13 | [RW](https://www.sec.gov/Archives/edgar/data/1671584/000095017025069821/0000950170-25-069821-index.htm) Withdrawn | 333-286952 | 0000950170-25-069821 |
| 2025-05-13 | [RW](https://www.sec.gov/Archives/edgar/data/1671584/000095017025069820/0000950170-25-069820-index.htm) Withdrawn | 333-285476 | 0000950170-25-069820 |
| 2025-05-02 | [S-3](https://www.sec.gov/Archives/edgar/data/1671584/000095017025062910/0000950170-25-062910-index.htm) Shelf registered | 333-286952 | 0000950170-25-062910 |
| 2025-04-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000095017025060303/0000950170-25-060303-index.htm) Shelf takedown | 333-284969 | 0000950170-25-060303 |
| 2025-04-28 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017025058974/0000950170-25-058974-index.htm) Final prospectus | 333-284969 | 0000950170-25-058974 |
| 2025-04-22 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017025056475/0000950170-25-056475-index.htm) Final prospectus | 333-284969 | 0000950170-25-056475 |
| 2025-04-04 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017025050924/0000950170-25-050924-index.htm) Final prospectus | 333-284969 | 0000950170-25-050924 |
| 2025-04-01 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017025048016/0000950170-25-048016-index.htm) Amendment | 333-285476 | 0000950170-25-048016 |
| 2025-03-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017025046199/0000950170-25-046199-index.htm) Amendment | 333-285476 | 0000950170-25-046199 |
| 2025-03-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017025045728/0000950170-25-045728-index.htm) Amendment | 333-285476 | 0000950170-25-045728 |
| 2025-03-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017025044078/0000950170-25-044078-index.htm) Amendment | 333-285476 | 0000950170-25-044078 |
| 2025-03-03 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000095017025030286/0000950170-25-030286-index.htm) Registration filed | 333-285476 | 0000950170-25-030286 |
| 2025-02-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999525000537/9999999995-25-000537-index.htm) Declared effective | 333-284969 | 9999999995-25-000537 |
| 2025-02-14 | [S-3](https://www.sec.gov/Archives/edgar/data/1671584/000095017025021191/0000950170-25-021191-index.htm) Shelf registered | 333-284969 | 0000950170-25-021191 |
| 2025-01-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999525000028/9999999995-25-000028-index.htm) Declared effective | 333-283983 | 9999999995-25-000028 |
| 2024-12-20 | [S-3](https://www.sec.gov/Archives/edgar/data/1671584/000095017024139087/0000950170-24-139087-index.htm) Shelf registered | 333-283983 | 0000950170-24-139087 |
| 2024-09-17 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017024107412/0000950170-24-107412-index.htm) Final prospectus | 333-281892 | 0000950170-24-107412 |
| 2024-09-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999524002853/9999999995-24-002853-index.htm) Declared effective | 333-281892 | 9999999995-24-002853 |
| 2024-08-30 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000095017024102458/0000950170-24-102458-index.htm) Registration filed | 333-281892 | 0000950170-24-102458 |
| 2024-06-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999524002018/9999999995-24-002018-index.htm) Declared effective | 333-280226 | 9999999995-24-002018 |
| 2024-06-28 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017024079124/0000950170-24-079124-index.htm) Final prospectus | 333-280226 | 0000950170-24-079124 |
| 2024-06-26 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017024077621/0000950170-24-077621-index.htm) Amendment | 333-280226 | 0000950170-24-077621 |
| 2024-06-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000095017024073737/0000950170-24-073737-index.htm) Registration filed | 333-280226 | 0000950170-24-073737 |
| 2024-04-12 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017024044148/0000950170-24-044148-index.htm) Final prospectus | 333-278103 | 0000950170-24-044148 |
| 2024-04-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999524000919/9999999995-24-000919-index.htm) Declared effective | 333-278103 | 9999999995-24-000919 |
| 2024-04-09 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017024043059/0000950170-24-043059-index.htm) Amendment | 333-278103 | 0000950170-24-043059 |
| 2024-03-29 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017024038743/0000950170-24-038743-index.htm) Amendment | 333-278103 | 0000950170-24-038743 |
| 2024-03-20 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000095017024034178/0000950170-24-034178-index.htm) Registration filed | 333-278103 | 0000950170-24-034178 |
| 2023-11-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999523003508/9999999995-23-003508-index.htm) Declared effective | 333-275710 | 9999999995-23-003508 |
| 2023-11-22 | [S-3](https://www.sec.gov/Archives/edgar/data/1671584/000095017023065871/0000950170-23-065871-index.htm) Shelf registered | 333-275710 | 0000950170-23-065871 |
| 2023-08-03 | [424B4](https://www.sec.gov/Archives/edgar/data/1671584/000095017023038144/0000950170-23-038144-index.htm) Final prospectus | 333-273067 | 0000950170-23-038144 |
| 2023-08-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999523002244/9999999995-23-002244-index.htm) Declared effective | 333-273067 | 9999999995-23-002244 |
| 2023-08-01 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017023036437/0000950170-23-036437-index.htm) Amendment | 333-273067 | 0000950170-23-036437 |
| 2023-07-14 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1671584/000095017023033000/0000950170-23-033000-index.htm) Amendment | 333-273067 | 0000950170-23-033000 |
| 2023-06-30 | [S-1](https://www.sec.gov/Archives/edgar/data/1671584/000095017023031113/0000950170-23-031113-index.htm) Registration filed | 333-273067 | 0000950170-23-031113 |
| 2022-03-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000156459022012065/0001564590-22-012065-index.htm) Shelf takedown | 333-251318 | 0001564590-22-012065 |
| 2022-03-24 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000156459022011578/0001564590-22-011578-index.htm) Shelf takedown | 333-251318 | 0001564590-22-011578 |
| 2022-02-18 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000156459022005705/0001564590-22-005705-index.htm) Shelf takedown | 333-251318 | 0001564590-22-005705 |
| 2021-08-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999521003255/9999999995-21-003255-index.htm) Declared effective | 333-258758 | 9999999995-21-003255 |
| 2021-08-12 | [S-3](https://www.sec.gov/Archives/edgar/data/1671584/000156459021044029/0001564590-21-044029-index.htm) Shelf registered | 333-258758 | 0001564590-21-044029 |
| 2020-12-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999520003589/9999999995-20-003589-index.htm) Declared effective | 333-251318 | 9999999995-20-003589 |
| 2020-12-14 | [S-3](https://www.sec.gov/Archives/edgar/data/1671584/000156459020056952/0001564590-20-056952-index.htm) Shelf registered | 333-251318 | 0001564590-20-056952 |
| 2019-08-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000119312519218511/0001193125-19-218511-index.htm) Shelf takedown | 333-221499 | 0001193125-19-218511 |
| 2019-03-08 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000119312519067852/0001193125-19-067852-index.htm) Shelf takedown | 333-221499 | 0001193125-19-067852 |
| 2019-03-06 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000119312519065760/0001193125-19-065760-index.htm) Shelf takedown | 333-221499 | 0001193125-19-065760 |
| 2019-02-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999519000218/9999999995-19-000218-index.htm) Declared effective | 333-229115 | 9999999995-19-000218 |
| 2019-02-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1671584/000119312519038218/0001193125-19-038218-index.htm) Shelf takedown | 333-229115 | 0001193125-19-038218 |
| 2019-01-02 | [S-3](https://www.sec.gov/Archives/edgar/data/1671584/000119312519000762/0001193125-19-000762-index.htm) Shelf registered | 333-229115 | 0001193125-19-000762 |
| 2017-12-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1671584/999999999517003237/9999999995-17-003237-index.htm) Declared effective | 333-221499 | 9999999995-17-003237 |
| 2017-11-13 | [S-3](https://www.sec.gov/Archives/edgar/data/1671584/000095012317010055/0000950123-17-010055-index.htm) Shelf registered | 333-221499 | 0000950123-17-010055 |

[All filings of this company](https://equitycapital.markets/filings?cik=1671584) · [CSV](https://equitycapital.markets/filings.csv?cik=1671584)

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Source page: https://equitycapital.markets/company/1671584 · Data: U.S. SEC EDGAR · CC BY 4.0