Company · CIK 1488039 # ATOSSA THERAPEUTICS, INC. | CIK | [1488039](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001488039) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | WA | | Listed | ATOS (Nasdaq) | | First annual or quarterly report | 2012-12-21 | ## Offerings 19 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-279367 | Shelf Effective | 2024-05-13 | 2026-06-12 | 5 | | 333-255411 | Shelf Effective | 2021-04-21 | 2021-04-29 | 2 | | 333-248555 | Shelf Effective | 2020-09-02 | 2021-03-23 | 4 | | 333-252335 | Shelf Effective | 2021-01-22 | 2021-01-29 | 2 | | 333-250820 | Registered company Effective | 2020-11-20 | 2020-12-08 | 3 | | 333-225424 | Registered company Effective | 2018-06-04 | 2018-06-14 | 2 | | 333-223949 | Registered company Final prospectus | 2018-03-27 | 2018-05-10 | 5 | | 333-220572 | Shelf Effective | 2017-09-22 | 2017-12-21 | 3 | | 333-216031 | Registered company Effective | 2017-02-13 | 2017-03-28 | 7 | | 333-192390 | Shelf Effective | 2013-11-18 | 2016-09-01 | 6 | | 333-211797 | Registered company Effective | 2016-06-03 | 2016-06-15 | 2 | | 333-208236 | Registered company Effective | 2015-11-27 | 2015-12-16 | 3 | | 333-205308 | Registered company Effective | 2015-06-26 | 2015-07-08 | 2 | | 333-192285 | Registered company Effective | 2013-11-12 | 2015-05-08 | 5 | | 333-186248 | Registered company Effective | 2013-01-28 | 2014-04-21 | 5 | | 333-187770 | Registered company Effective | 2013-04-05 | 2013-04-16 | 2 | | 333-179500 | IPO Final prospectus | 2012-02-14 | 2012-11-09 | 15 | | 333-169703 | First-time registration Withdrawn | 2010-10-01 | 2011-02-15 | 6 | | 333-165778 | First-time registration Withdrawn | 2010-03-30 | 2010-07-28 | 2 | ## Filings 81 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-06-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000119312526268597/0001193125-26-268597-index.htm) Shelf takedown | 333-279367 | 0001193125-26-268597 | | 2026-02-20 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000119312526061388/0001193125-26-061388-index.htm) Shelf takedown | 333-279367 | 0001193125-26-061388 | | 2024-11-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000095017024128656/0000950170-24-128656-index.htm) Shelf takedown | 333-279367 | 0000950170-24-128656 | | 2024-05-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999524001640/9999999995-24-001640-index.htm) Declared effective | 333-279367 | 9999999995-24-001640 | | 2024-05-13 | [S-3](https://www.sec.gov/Archives/edgar/data/1488039/000095017024058625/0000950170-24-058625-index.htm) Shelf registered | 333-279367 | 0000950170-24-058625 | | 2021-04-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999521001636/9999999995-21-001636-index.htm) Declared effective | 333-255411 | 9999999995-21-001636 | | 2021-04-21 | [S-3](https://www.sec.gov/Archives/edgar/data/1488039/000143774921009473/0001437749-21-009473-index.htm) Shelf registered | 333-255411 | 0001437749-21-009473 | | 2021-03-23 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000143774921006841/0001437749-21-006841-index.htm) Shelf takedown | 333-248555 | 0001437749-21-006841 | | 2021-01-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999521000358/9999999995-21-000358-index.htm) Declared effective | 333-252335 | 9999999995-21-000358 | | 2021-01-22 | [S-3](https://www.sec.gov/Archives/edgar/data/1488039/000143774921001081/0001437749-21-001081-index.htm) Shelf registered | 333-252335 | 0001437749-21-001081 | | 2020-12-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000143774920025664/0001437749-20-025664-index.htm) Shelf takedown | 333-248555 | 0001437749-20-025664 | | 2020-12-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999520003444/9999999995-20-003444-index.htm) Declared effective | 333-250820 | 9999999995-20-003444 | | 2020-12-01 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000143774920024667/0001437749-20-024667-index.htm) Amendment | 333-250820 | 0001437749-20-024667 | | 2020-11-20 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000143774920024290/0001437749-20-024290-index.htm) Registration filed | 333-250820 | 0001437749-20-024290 | | 2020-09-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999520002415/9999999995-20-002415-index.htm) Declared effective | 333-248555 | 9999999995-20-002415 | | 2020-09-02 | [S-3](https://www.sec.gov/Archives/edgar/data/1488039/000143774920019223/0001437749-20-019223-index.htm) Shelf registered | 333-248555 | 0001437749-20-019223 | | 2018-06-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999518001509/9999999995-18-001509-index.htm) Declared effective | 333-225424 | 9999999995-18-001509 | | 2018-06-04 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000161577418004829/0001615774-18-004829-index.htm) Registration filed | 333-225424 | 0001615774-18-004829 | | 2018-05-10 | [424B4](https://www.sec.gov/Archives/edgar/data/1488039/000161577418003583/0001615774-18-003583-index.htm) Final prospectus | 333-223949 | 0001615774-18-003583 | | 2018-05-09 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999518001185/9999999995-18-001185-index.htm) Declared effective | 333-223949 | 9999999995-18-001185 | | 2018-05-03 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000161577418003227/0001615774-18-003227-index.htm) Amendment | 333-223949 | 0001615774-18-003227 | | 2018-04-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000161577418002813/0001615774-18-002813-index.htm) Amendment | 333-223949 | 0001615774-18-002813 | | 2018-03-27 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000161577418002120/0001615774-18-002120-index.htm) Registration filed | 333-223949 | 0001615774-18-002120 | | 2017-12-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000161577417007507/0001615774-17-007507-index.htm) Shelf takedown | 333-220572 | 0001615774-17-007507 | | 2017-10-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999517002602/9999999995-17-002602-index.htm) Declared effective | 333-220572 | 9999999995-17-002602 | | 2017-09-22 | [S-3](https://www.sec.gov/Archives/edgar/data/1488039/000161577417005291/0001615774-17-005291-index.htm) Shelf registered | 333-220572 | 0001615774-17-005291 | | 2017-03-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999517000676/9999999995-17-000676-index.htm) Declared effective | 333-216031 | 9999999995-17-000676 | | 2017-03-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000161577417001284/0001615774-17-001284-index.htm) Amendment | 333-216031 | 0001615774-17-001284 | | 2017-03-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000161577417001273/0001615774-17-001273-index.htm) Amendment | 333-216031 | 0001615774-17-001273 | | 2017-03-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000161577417001190/0001615774-17-001190-index.htm) Amendment | 333-216031 | 0001615774-17-001190 | | 2017-03-21 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000161577417001159/0001615774-17-001159-index.htm) Amendment | 333-216031 | 0001615774-17-001159 | | 2017-03-16 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000161577417001094/0001615774-17-001094-index.htm) Amendment | 333-216031 | 0001615774-17-001094 | | 2017-02-13 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420417007884/0001144204-17-007884-index.htm) Registration filed | 333-216031 | 0001144204-17-007884 | | 2016-09-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000114420416122559/0001144204-16-122559-index.htm) Shelf takedown | 333-192390 | 0001144204-16-122559 | | 2016-06-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999516004911/9999999995-16-004911-index.htm) Declared effective | 333-211797 | 9999999995-16-004911 | | 2016-06-03 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420416106624/0001144204-16-106624-index.htm) Registration filed | 333-211797 | 0001144204-16-106624 | | 2015-12-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999515003298/9999999995-15-003298-index.htm) Declared effective | 333-208236 | 9999999995-15-003298 | | 2015-12-16 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420415071226/0001144204-15-071226-index.htm) Amendment | 333-208236 | 0001144204-15-071226 | | 2015-11-27 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420415068300/0001144204-15-068300-index.htm) Registration filed | 333-208236 | 0001144204-15-068300 | | 2015-07-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999515001868/9999999995-15-001868-index.htm) Declared effective | 333-205308 | 9999999995-15-001868 | | 2015-06-26 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420415039460/0001144204-15-039460-index.htm) Registration filed | 333-205308 | 0001144204-15-039460 | | 2015-06-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000114420415036321/0001144204-15-036321-index.htm) Shelf takedown | 333-192390 | 0001144204-15-036321 | | 2015-05-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999515001270/9999999995-15-001270-index.htm) Declared effective | 333-192285 | 9999999995-15-001270 | | 2014-04-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999514001124/9999999995-14-001124-index.htm) Declared effective | 333-192285 | 9999999995-14-001124 | | 2014-04-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999514001062/9999999995-14-001062-index.htm) Declared effective | 333-186248 | 9999999995-14-001062 | | 2014-01-27 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000114420414004007/0001144204-14-004007-index.htm) Shelf takedown | 333-192390 | 0001144204-14-004007 | | 2014-01-23 | [424B5](https://www.sec.gov/Archives/edgar/data/1488039/000114420414003684/0001144204-14-003684-index.htm) Shelf takedown | 333-192390 | 0001144204-14-003684 | | 2013-12-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999513003560/9999999995-13-003560-index.htm) Declared effective | 333-192285 | 9999999995-13-003560 | | 2013-12-11 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420413066715/0001144204-13-066715-index.htm) Amendment | 333-192285 | 0001144204-13-066715 | | 2013-11-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999513003404/9999999995-13-003404-index.htm) Declared effective | 333-192390 | 9999999995-13-003404 | | 2013-11-18 | [S-3](https://www.sec.gov/Archives/edgar/data/1488039/000114420413062762/0001144204-13-062762-index.htm) Shelf registered | 333-192390 | 0001144204-13-062762 | | 2013-11-12 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420413060623/0001144204-13-060623-index.htm) Registration filed | 333-192285 | 0001144204-13-060623 | | 2013-04-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999513001110/9999999995-13-001110-index.htm) Declared effective | 333-186248 | 9999999995-13-001110 | | 2013-04-17 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420413022365/0001144204-13-022365-index.htm) Amendment | 333-186248 | 0001144204-13-022365 | | 2013-04-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999513001025/9999999995-13-001025-index.htm) Declared effective | 333-187770 | 9999999995-13-001025 | | 2013-04-05 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420413020402/0001144204-13-020402-index.htm) Registration filed | 333-187770 | 0001144204-13-020402 | | 2013-02-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420413006291/0001144204-13-006291-index.htm) Amendment | 333-186248 | 0001144204-13-006291 | | 2013-01-28 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420413004258/0001144204-13-004258-index.htm) Registration filed | 333-186248 | 0001144204-13-004258 | | 2012-11-09 | [424B4](https://www.sec.gov/Archives/edgar/data/1488039/000114420412061002/0001144204-12-061002-index.htm) Final prospectus | 333-179500 | 0001144204-12-061002 | | 2012-11-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1488039/999999999512003176/9999999995-12-003176-index.htm) Declared effective | 333-179500 | 9999999995-12-003176 | | 2012-11-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412059531/0001144204-12-059531-index.htm) Amendment | 333-179500 | 0001144204-12-059531 | | 2012-10-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412057756/0001144204-12-057756-index.htm) Amendment | 333-179500 | 0001144204-12-057756 | | 2012-10-19 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412056912/0001144204-12-056912-index.htm) Amendment | 333-179500 | 0001144204-12-056912 | | 2012-10-04 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412054574/0001144204-12-054574-index.htm) Amendment | 333-179500 | 0001144204-12-054574 | | 2012-08-30 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412049048/0001144204-12-049048-index.htm) Amendment | 333-179500 | 0001144204-12-049048 | | 2012-08-21 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412047228/0001144204-12-047228-index.htm) Amendment | 333-179500 | 0001144204-12-047228 | | 2012-08-13 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412044528/0001144204-12-044528-index.htm) Amendment | 333-179500 | 0001144204-12-044528 | | 2012-06-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412036238/0001144204-12-036238-index.htm) Amendment | 333-179500 | 0001144204-12-036238 | | 2012-06-18 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412035151/0001144204-12-035151-index.htm) Amendment | 333-179500 | 0001144204-12-035151 | | 2012-06-11 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412034079/0001144204-12-034079-index.htm) Amendment | 333-179500 | 0001144204-12-034079 | | 2012-05-21 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412030728/0001144204-12-030728-index.htm) Amendment | 333-179500 | 0001144204-12-030728 | | 2012-04-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420412020447/0001144204-12-020447-index.htm) Amendment | 333-179500 | 0001144204-12-020447 | | 2012-02-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420412007893/0001144204-12-007893-index.htm) Registration filed | 333-179500 | 0001144204-12-007893 | | 2011-02-15 | [RW](https://www.sec.gov/Archives/edgar/data/1488039/000114420411008734/0001144204-11-008734-index.htm) Withdrawn | 333-169703 | 0001144204-11-008734 | | 2011-02-04 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420411006053/0001144204-11-006053-index.htm) Amendment | 333-169703 | 0001144204-11-006053 | | 2011-01-10 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420411001397/0001144204-11-001397-index.htm) Amendment | 333-169703 | 0001144204-11-001397 | | 2010-12-16 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420410066740/0001144204-10-066740-index.htm) Amendment | 333-169703 | 0001144204-10-066740 | | 2010-11-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1488039/000114420410063028/0001144204-10-063028-index.htm) Amendment | 333-169703 | 0001144204-10-063028 | | 2010-10-01 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420410051825/0001144204-10-051825-index.htm) Registration filed | 333-169703 | 0001144204-10-051825 | | 2010-07-28 | [RW](https://www.sec.gov/Archives/edgar/data/1488039/000114420410039594/0001144204-10-039594-index.htm) Withdrawn | 333-165778 | 0001144204-10-039594 | | 2010-03-30 | [S-1](https://www.sec.gov/Archives/edgar/data/1488039/000114420410016530/0001144204-10-016530-index.htm) Registration filed | 333-165778 | 0001144204-10-016530 | [All filings of this company](https://equitycapital.markets/filings?cik=1488039) · [CSV](https://equitycapital.markets/filings.csv?cik=1488039) --- Source page: https://equitycapital.markets/company/1488039 · Data: U.S. SEC EDGAR · CC BY 4.0