Company · CIK 1541157 # Akari Therapeutics Plc | CIK | [1541157](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001541157) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | X0 | | Business address | FL | | Listed | AKTX (Nasdaq) | | First annual or quarterly report | 2013-03-22 | ## Offerings 25 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-297257 | Shelf Effective | 2026-07-02 | 2026-07-13 | 2 | | 333-289962 | Registered company Effective | 2025-08-29 | 2026-07-07 | 3 | | 333-295729 | Registered company Withdrawn | 2026-05-08 | 2026-05-21 | 2 | | 333-292930 | Registered company Effective | 2026-01-23 | 2026-04-15 | 3 | | 333-289056 | Shelf Effective | 2025-07-29 | 2025-12-17 | 4 | | 333-291596 | Registered company Effective | 2025-11-17 | 2025-12-02 | 2 | | 333-287012 | Shelf Effective | 2025-05-06 | 2025-05-14 | 2 | | 333-281995 | Shelf Effective | 2024-09-06 | 2024-09-16 | 3 | | 333-275119 | Shelf Effective | 2023-10-20 | 2023-10-26 | 2 | | 333-233048 | Registered company Effective | 2019-08-06 | 2023-10-23 | 9 | | 333-267840 | Registered company Effective | 2022-10-12 | 2023-10-23 | 5 | | 333-251673 | Shelf Effective | 2020-12-23 | 2023-03-31 | 6 | | 333-227752 | Registered company Effective | 2018-10-09 | 2021-10-01 | 11 | | 333-234219 | Registered company Effective | 2019-10-15 | 2021-10-01 | 5 | | 333-239923 | Registered company Effective | 2020-07-17 | 2021-10-01 | 5 | | 333-258918 | Shelf Effective | 2021-08-19 | 2021-08-31 | 2 | | 333-237389 | Shelf Effective | 2020-03-26 | 2020-04-16 | 2 | | 333-220052 | Shelf Effective | 2017-08-18 | 2019-07-02 | 3 | | 333-198107 | Shelf Effective | 2014-08-13 | 2017-10-19 | 4 | | 333-207443 | Shelf Effective | 2015-10-16 | 2015-10-30 | 2 | | 333-200407 | Registered company Withdrawn | 2014-11-20 | 2015-03-11 | 2 | | 333-185247 | First-time registration Effective | 2012-12-03 | 2014-03-31 | 6 | | 333-187826 | Registered company Effective | 2013-04-10 | 2014-03-31 | 3 | | 333-191880 | Registered company Effective | 2013-10-24 | 2014-03-31 | 3 | | 333-192783 | Registered company Final prospectus | 2013-12-12 | 2014-01-31 | 5 | ## Filings 100 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-07-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999526002279/9999999995-26-002279-index.htm) Declared effective | 333-297257 | 9999999995-26-002279 | | 2026-07-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999526002205/9999999995-26-002205-index.htm) Declared effective | 333-289962 | 9999999995-26-002205 | | 2026-07-02 | [S-3](https://www.sec.gov/Archives/edgar/data/1541157/000149315226031967/0001493152-26-031967-index.htm) Shelf registered | 333-297257 | 0001493152-26-031967 | | 2026-06-26 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000149315226030330/0001493152-26-030330-index.htm) Amendment | 333-289962 | 0001493152-26-030330 | | 2026-05-21 | [RW](https://www.sec.gov/Archives/edgar/data/1541157/000149315226024741/0001493152-26-024741-index.htm) Withdrawn | 333-295729 | 0001493152-26-024741 | | 2026-05-08 | [S-1](https://www.sec.gov/Archives/edgar/data/1541157/000149315226022019/0001493152-26-022019-index.htm) Registration filed | 333-295729 | 0001493152-26-022019 | | 2026-04-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999526001192/9999999995-26-001192-index.htm) Declared effective | 333-292930 | 9999999995-26-001192 | | 2026-04-02 | [DRS](https://www.sec.gov/Archives/edgar/data/1541157/000149315226014977/0001493152-26-014977-index.htm) Draft made public | 377-09211 | 0001493152-26-014977 | | 2026-01-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999526000356/9999999995-26-000356-index.htm) Declared effective | 333-292930 | 9999999995-26-000356 | | 2026-01-23 | [S-1](https://www.sec.gov/Archives/edgar/data/1541157/000149315226003458/0001493152-26-003458-index.htm) Registration filed | 333-292930 | 0001493152-26-003458 | | 2025-12-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000149315225028073/0001493152-25-028073-index.htm) Shelf takedown | 333-289056 | 0001493152-25-028073 | | 2025-12-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999525003483/9999999995-25-003483-index.htm) Declared effective | 333-291596 | 9999999995-25-003483 | | 2025-11-17 | [S-1](https://www.sec.gov/Archives/edgar/data/1541157/000149315225023908/0001493152-25-023908-index.htm) Registration filed | 333-291596 | 0001493152-25-023908 | | 2025-10-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000149315225018268/0001493152-25-018268-index.htm) Shelf takedown | 333-289056 | 0001493152-25-018268 | | 2025-08-29 | [S-1](https://www.sec.gov/Archives/edgar/data/1541157/000164117225026052/0001641172-25-026052-index.htm) Registration filed | 333-289962 | 0001641172-25-026052 | | 2025-07-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999525002439/9999999995-25-002439-index.htm) Declared effective | 333-289056 | 9999999995-25-002439 | | 2025-07-29 | [S-3](https://www.sec.gov/Archives/edgar/data/1541157/000164117225021425/0001641172-25-021425-index.htm) Shelf registered | 333-289056 | 0001641172-25-021425 | | 2025-05-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999525001605/9999999995-25-001605-index.htm) Declared effective | 333-287012 | 9999999995-25-001605 | | 2025-05-06 | [S-3](https://www.sec.gov/Archives/edgar/data/1541157/000095017025064642/0000950170-25-064642-index.htm) Shelf registered | 333-287012 | 0000950170-25-064642 | | 2024-10-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999524003169/9999999995-24-003169-index.htm) Declared effective | 333-282127 | 9999999995-24-003169 | | 2024-09-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000119312524219588/0001193125-24-219588-index.htm) Shelf takedown | 333-281995 | 0001193125-24-219588 | | 2024-09-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999524002847/9999999995-24-002847-index.htm) Declared effective | 333-281995 | 9999999995-24-002847 | | 2024-09-06 | [S-3](https://www.sec.gov/Archives/edgar/data/1541157/000119312524215261/0001193125-24-215261-index.htm) Shelf registered | 333-281995 | 0001193125-24-215261 | | 2023-10-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999523003103/9999999995-23-003103-index.htm) Declared effective | 333-275119 | 9999999995-23-003103 | | 2023-10-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999523003062/9999999995-23-003062-index.htm) Declared effective | 333-267840 | 9999999995-23-003062 | | 2023-10-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999523003060/9999999995-23-003060-index.htm) Declared effective | 333-233048 | 9999999995-23-003060 | | 2023-10-20 | [F-3](https://www.sec.gov/Archives/edgar/data/1541157/000110465923110497/0001104659-23-110497-index.htm) Shelf registered | 333-275119 | 0001104659-23-110497 | | 2023-06-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999523001639/9999999995-23-001639-index.htm) Declared effective | 333-267840 | 9999999995-23-001639 | | 2023-06-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999523001636/9999999995-23-001636-index.htm) Declared effective | 333-233048 | 9999999995-23-001636 | | 2023-03-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000110465923039822/0001104659-23-039822-index.htm) Shelf takedown | 333-251673 | 0001104659-23-039822 | | 2022-11-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999522003234/9999999995-22-003234-index.htm) Declared effective | 333-267840 | 9999999995-22-003234 | | 2022-11-04 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000110465922114953/0001104659-22-114953-index.htm) Amendment | 333-267840 | 0001104659-22-114953 | | 2022-10-12 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000110465922108100/0001104659-22-108100-index.htm) Registration filed | 333-267840 | 0001104659-22-108100 | | 2022-09-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000110465922099945/0001104659-22-099945-index.htm) Shelf takedown | 333-251673 | 0001104659-22-099945 | | 2022-03-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000110465922032164/0001104659-22-032164-index.htm) Shelf takedown | 333-251673 | 0001104659-22-032164 | | 2022-01-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000110465922000597/0001104659-22-000597-index.htm) Shelf takedown | 333-251673 | 0001104659-22-000597 | | 2021-10-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521003736/9999999995-21-003736-index.htm) Declared effective | 333-239923 | 9999999995-21-003736 | | 2021-10-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521003734/9999999995-21-003734-index.htm) Declared effective | 333-234219 | 9999999995-21-003734 | | 2021-10-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521003733/9999999995-21-003733-index.htm) Declared effective | 333-233048 | 9999999995-21-003733 | | 2021-10-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521003732/9999999995-21-003732-index.htm) Declared effective | 333-227752 | 9999999995-21-003732 | | 2021-08-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521003368/9999999995-21-003368-index.htm) Declared effective | 333-258918 | 9999999995-21-003368 | | 2021-08-19 | [F-3](https://www.sec.gov/Archives/edgar/data/1541157/000110465921107461/0001104659-21-107461-index.htm) Shelf registered | 333-258918 | 0001104659-21-107461 | | 2021-04-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521001663/9999999995-21-001663-index.htm) Declared effective | 333-239923 | 9999999995-21-001663 | | 2021-04-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521001646/9999999995-21-001646-index.htm) Declared effective | 333-234219 | 9999999995-21-001646 | | 2021-04-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521001645/9999999995-21-001645-index.htm) Declared effective | 333-233048 | 9999999995-21-001645 | | 2021-04-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521001639/9999999995-21-001639-index.htm) Declared effective | 333-227752 | 9999999995-21-001639 | | 2020-12-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999521000013/9999999995-21-000013-index.htm) Declared effective | 333-251673 | 9999999995-21-000013 | | 2020-12-23 | [F-3](https://www.sec.gov/Archives/edgar/data/1541157/000110465920139239/0001104659-20-139239-index.htm) Shelf registered | 333-251673 | 0001104659-20-139239 | | 2020-09-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999520002500/9999999995-20-002500-index.htm) Declared effective | 333-239923 | 9999999995-20-002500 | | 2020-09-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999520002499/9999999995-20-002499-index.htm) Declared effective | 333-234219 | 9999999995-20-002499 | | 2020-09-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999520002498/9999999995-20-002498-index.htm) Declared effective | 333-233048 | 9999999995-20-002498 | | 2020-09-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999520002497/9999999995-20-002497-index.htm) Declared effective | 333-227752 | 9999999995-20-002497 | | 2020-07-27 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999520001932/9999999995-20-001932-index.htm) Declared effective | 333-239923 | 9999999995-20-001932 | | 2020-07-17 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000110465920084530/0001104659-20-084530-index.htm) Registration filed | 333-239923 | 0001104659-20-084530 | | 2020-05-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999520001111/9999999995-20-001111-index.htm) Declared effective | 333-233048 | 9999999995-20-001111 | | 2020-04-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999520000780/9999999995-20-000780-index.htm) Declared effective | 333-227752 | 9999999995-20-000780 | | 2020-04-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999520000774/9999999995-20-000774-index.htm) Declared effective | 333-237389 | 9999999995-20-000774 | | 2020-03-26 | [F-3](https://www.sec.gov/Archives/edgar/data/1541157/000110465920038458/0001104659-20-038458-index.htm) Shelf registered | 333-237389 | 0001104659-20-038458 | | 2019-10-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999519002399/9999999995-19-002399-index.htm) Declared effective | 333-234219 | 9999999995-19-002399 | | 2019-10-15 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000110465919054215/0001104659-19-054215-index.htm) Registration filed | 333-234219 | 0001104659-19-054215 | | 2019-09-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999519002036/9999999995-19-002036-index.htm) Declared effective | 333-233048 | 9999999995-19-002036 | | 2019-09-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999519002018/9999999995-19-002018-index.htm) Declared effective | 333-227752 | 9999999995-19-002018 | | 2019-08-30 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000114420419043013/0001144204-19-043013-index.htm) Amendment | 333-233048 | 0001144204-19-043013 | | 2019-08-06 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000114420419037896/0001144204-19-037896-index.htm) Registration filed | 333-233048 | 0001144204-19-037896 | | 2019-07-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000114420419033595/0001144204-19-033595-index.htm) Shelf takedown | 333-220052 | 0001144204-19-033595 | | 2019-04-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999519000885/9999999995-19-000885-index.htm) Declared effective | 333-227752 | 9999999995-19-000885 | | 2019-03-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999519000360/9999999995-19-000360-index.htm) Declared effective | 333-227752 | 9999999995-19-000360 | | 2019-03-04 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000114420419011699/0001144204-19-011699-index.htm) Amendment | 333-227752 | 0001144204-19-011699 | | 2019-03-01 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000114420419011563/0001144204-19-011563-index.htm) Amendment | 333-227752 | 0001144204-19-011563 | | 2019-02-14 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000114420419007765/0001144204-19-007765-index.htm) Amendment | 333-227752 | 0001144204-19-007765 | | 2018-10-09 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000114420418052994/0001144204-18-052994-index.htm) Registration filed | 333-227752 | 0001144204-18-052994 | | 2018-02-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999518000489/9999999995-18-000489-index.htm) Declared effective | 333-220052 | 9999999995-18-000489 | | 2017-10-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000114420417053269/0001144204-17-053269-index.htm) Shelf takedown | 333-198107 | 0001144204-17-053269 | | 2017-10-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1541157/000114420417052845/0001144204-17-052845-index.htm) Shelf takedown | 333-198107 | 0001144204-17-052845 | | 2017-08-18 | [F-3](https://www.sec.gov/Archives/edgar/data/1541157/000114420417044192/0001144204-17-044192-index.htm) Shelf registered | 333-220052 | 0001144204-17-044192 | | 2015-10-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999515002919/9999999995-15-002919-index.htm) Declared effective | 333-207443 | 9999999995-15-002919 | | 2015-10-16 | [S-3](https://www.sec.gov/Archives/edgar/data/1541157/000114420415059667/0001144204-15-059667-index.htm) Shelf registered | 333-207443 | 0001144204-15-059667 | | 2015-03-11 | [RW](https://www.sec.gov/Archives/edgar/data/1541157/000114420415015277/0001144204-15-015277-index.htm) Withdrawn | 333-200407 | 0001144204-15-015277 | | 2014-11-20 | [S-1](https://www.sec.gov/Archives/edgar/data/1541157/000114420414070095/0001144204-14-070095-index.htm) Registration filed | 333-200407 | 0001144204-14-070095 | | 2014-08-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999514002571/9999999995-14-002571-index.htm) Declared effective | 333-198107 | 9999999995-14-002571 | | 2014-08-13 | [F-3](https://www.sec.gov/Archives/edgar/data/1541157/000114420414049285/0001144204-14-049285-index.htm) Shelf registered | 333-198107 | 0001144204-14-049285 | | 2014-03-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999514000830/9999999995-14-000830-index.htm) Declared effective | 333-191880 | 9999999995-14-000830 | | 2014-03-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999514000828/9999999995-14-000828-index.htm) Declared effective | 333-187826 | 9999999995-14-000828 | | 2014-03-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999514000824/9999999995-14-000824-index.htm) Declared effective | 333-185247 | 9999999995-14-000824 | | 2014-01-31 | [424B4](https://www.sec.gov/Archives/edgar/data/1541157/000114420414005134/0001144204-14-005134-index.htm) Final prospectus | 333-192783 | 0001144204-14-005134 | | 2014-01-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999514000265/9999999995-14-000265-index.htm) Declared effective | 333-192783 | 9999999995-14-000265 | | 2014-01-28 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000114420414004474/0001144204-14-004474-index.htm) Amendment | 333-192783 | 0001144204-14-004474 | | 2014-01-07 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000114420414000833/0001144204-14-000833-index.htm) Amendment | 333-192783 | 0001144204-14-000833 | | 2013-12-12 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000114420413066785/0001144204-13-066785-index.htm) Registration filed | 333-192783 | 0001144204-13-066785 | | 2013-11-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999513003204/9999999995-13-003204-index.htm) Declared effective | 333-191880 | 9999999995-13-003204 | | 2013-10-24 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000114420413056677/0001144204-13-056677-index.htm) Registration filed | 333-191880 | 0001144204-13-056677 | | 2013-04-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999513001026/9999999995-13-001026-index.htm) Declared effective | 333-187826 | 9999999995-13-001026 | | 2013-04-10 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000114420413020910/0001144204-13-020910-index.htm) Registration filed | 333-187826 | 0001144204-13-020910 | | 2013-04-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999513000850/9999999995-13-000850-index.htm) Declared effective | 333-185247 | 9999999995-13-000850 | | 2013-02-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999513000360/9999999995-13-000360-index.htm) Declared effective | 333-185247 | 9999999995-13-000360 | | 2013-01-22 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000114420413003478/0001144204-13-003478-index.htm) Amendment | 333-185247 | 0001144204-13-003478 | | 2012-12-27 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1541157/000114420412069870/0001144204-12-069870-index.htm) Amendment | 333-185247 | 0001144204-12-069870 | | 2012-12-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1541157/999999999512003476/9999999995-12-003476-index.htm) Declared effective | 333-185197 | 9999999995-12-003476 | | 2012-12-03 | [F-1](https://www.sec.gov/Archives/edgar/data/1541157/000114420412066135/0001144204-12-066135-index.htm) Registration filed | 333-185247 | 0001144204-12-066135 | | 2012-08-24 | [RW](https://www.sec.gov/Archives/edgar/data/1541157/000114420412047937/0001144204-12-047937-index.htm) Withdrawn | 000-54749 | 0001144204-12-047937 | [All filings of this company](https://equitycapital.markets/filings?cik=1541157) · [CSV](https://equitycapital.markets/filings.csv?cik=1541157) --- Source page: https://equitycapital.markets/company/1541157 · Data: U.S. SEC EDGAR · CC BY 4.0