Company · CIK 1385818 # AYTU BIOPHARMA, INC | CIK | [1385818](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001385818) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | CO | | Listed | AYTU (Nasdaq) | | First annual or quarterly report | 2008-11-12 | ## Offerings 19 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-287728 | Registered company Final prospectus | 2025-06-02 | 2025-06-09 | 4 | | 333-282347 | Shelf Effective | 2024-09-26 | 2024-10-15 | 2 | | 333-271556 | Registered company Final prospectus | 2023-05-01 | 2023-06-12 | 4 | | 333-239010 | Shelf Effective | 2020-06-08 | 2022-11-14 | 6 | | 333-259862 | Shelf Effective | 2021-09-28 | 2022-08-10 | 5 | | 333-265479 | Shelf Effective | 2022-06-08 | 2022-06-22 | 2 | | 333-221735 | Shelf Effective | 2017-11-22 | 2020-03-20 | 6 | | 333-236599 | Shelf Effective | 2020-02-24 | 2020-02-28 | 2 | | 333-235548 | Shelf Effective | 2019-12-17 | 2020-01-10 | 2 | | 333-227243 | Registered company Final prospectus | 2018-09-07 | 2018-10-05 | 6 | | 333-220351 | Registered company Effective | 2017-09-05 | 2018-03-27 | 6 | | 333-222994 | Registered company Final prospectus | 2018-02-12 | 2018-03-02 | 7 | | 333-212100 | Registered company Effective | 2016-06-17 | 2017-04-25 | 3 | | 333-213489 | Registered company Effective | 2016-09-02 | 2017-04-04 | 3 | | 333-213738 | Registered company Final prospectus | 2016-09-21 | 2017-02-08 | 7 | | 333-210144 | Registered company Final prospectus | 2016-03-11 | 2016-05-04 | 4 | | 333-209874 | Registered company Effective | 2016-03-02 | 2016-03-11 | 2 | | 333-207421 | Registered company Effective | 2015-10-14 | 2015-10-23 | 2 | | 333-205414 | Registered company Effective | 2015-07-01 | 2015-10-15 | 5 | ## Filings 83 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2025-06-09 | [424B4](https://www.sec.gov/Archives/edgar/data/1385818/000143774925019761/0001437749-25-019761-index.htm) Final prospectus | 333-287728 | 0001437749-25-019761 | | 2025-06-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999525001849/9999999995-25-001849-index.htm) Declared effective | 333-287728 | 9999999995-25-001849 | | 2025-06-05 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000143774925019550/0001437749-25-019550-index.htm) Amendment | 333-287728 | 0001437749-25-019550 | | 2025-06-02 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000143774925019189/0001437749-25-019189-index.htm) Registration filed | 333-287728 | 0001437749-25-019189 | | 2025-04-28 | [DRS](https://www.sec.gov/Archives/edgar/data/1385818/000143774925013327/0001437749-25-013327-index.htm) Draft made public | 377-07954 | 0001437749-25-013327 | | 2024-10-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999524003186/9999999995-24-003186-index.htm) Declared effective | 333-282347 | 9999999995-24-003186 | | 2024-09-26 | [S-3](https://www.sec.gov/Archives/edgar/data/1385818/000143774924030073/0001437749-24-030073-index.htm) Shelf registered | 333-282347 | 0001437749-24-030073 | | 2023-06-12 | [424B4](https://www.sec.gov/Archives/edgar/data/1385818/000110465923070432/0001104659-23-070432-index.htm) Final prospectus | 333-271556 | 0001104659-23-070432 | | 2023-06-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999523001685/9999999995-23-001685-index.htm) Declared effective | 333-271556 | 9999999995-23-001685 | | 2023-06-05 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000110465923068133/0001104659-23-068133-index.htm) Amendment | 333-271556 | 0001104659-23-068133 | | 2023-05-01 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000110465923054549/0001104659-23-054549-index.htm) Registration filed | 333-271556 | 0001104659-23-054549 | | 2022-11-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000110465922118759/0001104659-22-118759-index.htm) Shelf takedown | 333-239010 | 0001104659-22-118759 | | 2022-08-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000110465922088697/0001104659-22-088697-index.htm) Shelf takedown | 333-259862 | 0001104659-22-088697 | | 2022-08-08 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000110465922087310/0001104659-22-087310-index.htm) Shelf takedown | 333-259862 | 0001104659-22-087310 | | 2022-06-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999522001844/9999999995-22-001844-index.htm) Declared effective | 333-265479 | 9999999995-22-001844 | | 2022-06-08 | [S-3](https://www.sec.gov/Archives/edgar/data/1385818/000155837022009817/0001558370-22-009817-index.htm) Shelf registered | 333-265479 | 0001558370-22-009817 | | 2022-03-03 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000155837022002704/0001558370-22-002704-index.htm) Shelf takedown | 333-259862 | 0001558370-22-002704 | | 2021-10-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999521003823/9999999995-21-003823-index.htm) Declared effective | 333-259862 | 9999999995-21-003823 | | 2021-09-28 | [S-3](https://www.sec.gov/Archives/edgar/data/1385818/000155837021012833/0001558370-21-012833-index.htm) Shelf registered | 333-259862 | 0001558370-21-012833 | | 2021-06-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000121390021031092/0001213900-21-031092-index.htm) Shelf takedown | 333-239010 | 0001213900-21-031092 | | 2021-02-09 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999521000531/9999999995-21-000531-index.htm) Declared effective | 333-252450 | 9999999995-21-000531 | | 2020-12-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000121390020042392/0001213900-20-042392-index.htm) Shelf takedown | 333-239010 | 0001213900-20-042392 | | 2020-12-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000121390020042053/0001213900-20-042053-index.htm) Shelf takedown | 333-239010 | 0001213900-20-042053 | | 2020-06-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999520001464/9999999995-20-001464-index.htm) Declared effective | 333-239011 | 9999999995-20-001464 | | 2020-06-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999520001463/9999999995-20-001463-index.htm) Declared effective | 333-239010 | 9999999995-20-001463 | | 2020-06-08 | [S-3](https://www.sec.gov/Archives/edgar/data/1385818/000121390020014381/0001213900-20-014381-index.htm) Shelf registered | 333-239010 | 0001213900-20-014381 | | 2020-03-20 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000121390020007010/0001213900-20-007010-index.htm) Shelf takedown | 333-221735 | 0001213900-20-007010 | | 2020-03-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000121390020006269/0001213900-20-006269-index.htm) Shelf takedown | 333-221735 | 0001213900-20-006269 | | 2020-03-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000121390020006183/0001213900-20-006183-index.htm) Shelf takedown | 333-221735 | 0001213900-20-006183 | | 2020-03-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000121390020005175/0001213900-20-005175-index.htm) Shelf takedown | 333-221735 | 0001213900-20-005175 | | 2020-02-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999520000446/9999999995-20-000446-index.htm) Declared effective | 333-236599 | 9999999995-20-000446 | | 2020-02-24 | [S-3](https://www.sec.gov/Archives/edgar/data/1385818/000121390020004645/0001213900-20-004645-index.htm) Shelf registered | 333-236599 | 0001213900-20-004645 | | 2020-01-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999520000094/9999999995-20-000094-index.htm) Declared effective | 333-235695 | 9999999995-20-000094 | | 2020-01-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999520000067/9999999995-20-000067-index.htm) Declared effective | 333-235548 | 9999999995-20-000067 | | 2019-12-17 | [S-3](https://www.sec.gov/Archives/edgar/data/1385818/000165495419014023/0001654954-19-014023-index.htm) Shelf registered | 333-235548 | 0001654954-19-014023 | | 2018-10-05 | [424B4](https://www.sec.gov/Archives/edgar/data/1385818/000121390018013629/0001213900-18-013629-index.htm) Final prospectus | 333-227243 | 0001213900-18-013629 | | 2018-10-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999518002541/9999999995-18-002541-index.htm) Declared effective | 333-227243 | 9999999995-18-002541 | | 2018-10-03 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000121390018013427/0001213900-18-013427-index.htm) Amendment | 333-227243 | 0001213900-18-013427 | | 2018-09-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000121390018013189/0001213900-18-013189-index.htm) Amendment | 333-227243 | 0001213900-18-013189 | | 2018-09-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000121390018012974/0001213900-18-012974-index.htm) Amendment | 333-227243 | 0001213900-18-012974 | | 2018-09-07 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000121390018012289/0001213900-18-012289-index.htm) Registration filed | 333-227243 | 0001213900-18-012289 | | 2018-03-27 | [424B5](https://www.sec.gov/Archives/edgar/data/1385818/000121390018003527/0001213900-18-003527-index.htm) Shelf takedown | 333-220351 | 0001213900-18-003527 | | 2018-03-02 | [424B4](https://www.sec.gov/Archives/edgar/data/1385818/000121390018002521/0001213900-18-002521-index.htm) Final prospectus | 333-222994 | 0001213900-18-002521 | | 2018-03-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999518000520/9999999995-18-000520-index.htm) Declared effective | 333-222994 | 9999999995-18-000520 | | 2018-02-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000121390018002353/0001213900-18-002353-index.htm) Amendment | 333-222994 | 0001213900-18-002353 | | 2018-02-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000121390018002319/0001213900-18-002319-index.htm) Amendment | 333-222994 | 0001213900-18-002319 | | 2018-02-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000121390018002247/0001213900-18-002247-index.htm) Amendment | 333-222994 | 0001213900-18-002247 | | 2018-02-22 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000121390018002224/0001213900-18-002224-index.htm) Amendment | 333-222994 | 0001213900-18-002224 | | 2018-02-12 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000121390018001614/0001213900-18-001614-index.htm) Registration filed | 333-222994 | 0001213900-18-001614 | | 2017-12-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999517003111/9999999995-17-003111-index.htm) Declared effective | 333-221735 | 9999999995-17-003111 | | 2017-11-22 | [S-3](https://www.sec.gov/Archives/edgar/data/1385818/000121390017012517/0001213900-17-012517-index.htm) Shelf registered | 333-221735 | 0001213900-17-012517 | | 2017-10-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999517002766/9999999995-17-002766-index.htm) Declared effective | 333-220351 | 9999999995-17-002766 | | 2017-10-20 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000114420417053498/0001144204-17-053498-index.htm) Amendment | 333-220351 | 0001144204-17-053498 | | 2017-09-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000114420417049333/0001144204-17-049333-index.htm) Amendment | 333-220351 | 0001144204-17-049333 | | 2017-09-22 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000114420417049263/0001144204-17-049263-index.htm) Amendment | 333-220351 | 0001144204-17-049263 | | 2017-09-05 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000114420417046645/0001144204-17-046645-index.htm) Registration filed | 333-220351 | 0001144204-17-046645 | | 2017-04-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999517000933/9999999995-17-000933-index.htm) Declared effective | 333-212100 | 9999999995-17-000933 | | 2017-04-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999517000729/9999999995-17-000729-index.htm) Declared effective | 333-213489 | 9999999995-17-000729 | | 2017-02-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999517000323/9999999995-17-000323-index.htm) Declared effective | 333-213738 | 9999999995-17-000323 | | 2016-10-28 | [424B4](https://www.sec.gov/Archives/edgar/data/1385818/000114420416130343/0001144204-16-130343-index.htm) Final prospectus | 333-213738 | 0001144204-16-130343 | | 2016-10-27 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999516006083/9999999995-16-006083-index.htm) Declared effective | 333-213738 | 9999999995-16-006083 | | 2016-10-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000114420416129863/0001144204-16-129863-index.htm) Amendment | 333-213738 | 0001144204-16-129863 | | 2016-10-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000114420416129428/0001144204-16-129428-index.htm) Amendment | 333-213738 | 0001144204-16-129428 | | 2016-10-11 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000114420416127502/0001144204-16-127502-index.htm) Amendment | 333-213738 | 0001144204-16-127502 | | 2016-09-21 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000114420416124782/0001144204-16-124782-index.htm) Registration filed | 333-213738 | 0001144204-16-124782 | | 2016-09-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999516005724/9999999995-16-005724-index.htm) Declared effective | 333-213489 | 9999999995-16-005724 | | 2016-09-02 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000114420416122687/0001144204-16-122687-index.htm) Registration filed | 333-213489 | 0001144204-16-122687 | | 2016-06-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999516005053/9999999995-16-005053-index.htm) Declared effective | 333-212100 | 9999999995-16-005053 | | 2016-06-17 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000114420416108742/0001144204-16-108742-index.htm) Registration filed | 333-212100 | 0001144204-16-108742 | | 2016-05-04 | [424B4](https://www.sec.gov/Archives/edgar/data/1385818/000114420416098767/0001144204-16-098767-index.htm) Final prospectus | 333-210144 | 0001144204-16-098767 | | 2016-05-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999516004492/9999999995-16-004492-index.htm) Declared effective | 333-210144 | 9999999995-16-004492 | | 2016-04-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000114420416095926/0001144204-16-095926-index.htm) Amendment | 333-210144 | 0001144204-16-095926 | | 2016-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999516003935/9999999995-16-003935-index.htm) Declared effective | 333-209874 | 9999999995-16-003935 | | 2016-03-11 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000114420416087646/0001144204-16-087646-index.htm) Registration filed | 333-210144 | 0001144204-16-087646 | | 2016-03-02 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000114420416085455/0001144204-16-085455-index.htm) Registration filed | 333-209874 | 0001144204-16-085455 | | 2015-10-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999515002862/9999999995-15-002862-index.htm) Declared effective | 333-207421 | 9999999995-15-002862 | | 2015-10-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999515002755/9999999995-15-002755-index.htm) Declared effective | 333-205414 | 9999999995-15-002755 | | 2015-10-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000119312515343855/0001193125-15-343855-index.htm) Registration filed | 333-207421 | 0001193125-15-343855 | | 2015-08-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999515002236/9999999995-15-002236-index.htm) Declared effective | 333-205414 | 9999999995-15-002236 | | 2015-08-07 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000119312515282648/0001193125-15-282648-index.htm) Amendment | 333-205414 | 0001193125-15-282648 | | 2015-07-30 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1385818/000119312515271130/0001193125-15-271130-index.htm) Amendment | 333-205414 | 0001193125-15-271130 | | 2015-07-01 | [S-1](https://www.sec.gov/Archives/edgar/data/1385818/000119312515242983/0001193125-15-242983-index.htm) Registration filed | 333-205414 | 0001193125-15-242983 | | 2007-05-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1385818/999999999507001853/9999999995-07-001853-index.htm) Declared effective | 333-139933 | 9999999995-07-001853 | [All filings of this company](https://equitycapital.markets/filings?cik=1385818) · [CSV](https://equitycapital.markets/filings.csv?cik=1385818) --- Source page: https://equitycapital.markets/company/1385818 · Data: U.S. SEC EDGAR · CC BY 4.0