Akari Therapeutics Plc SEC filings AKTX

Akari Therapeutics Plc has 743 filings in SEC EDGAR's recent list, going back to Apr 13, 2012. Its latest annual report, Form 10-K, was filed on Mar 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (shareholder vote results). The company's fiscal year ends on December 31.

Akari Therapeutics Plc SEC filings
Form Description Filed Period
S-8 Employee stock plan registration Oct 30, 2026 —
8-K Current report
Shareholder vote results
Oct 30, 2026 Oct 28, 2026
DEF 14A Proxy statement Oct 1, 2026 Oct 1, 2026
8-K Current report
Officer or director change
Oct 1, 2026 Sep 29, 2026
8-K Current report
Results of operations
Aug 13, 2026 Aug 13, 2026
10-Q Quarterly report Aug 13, 2026 Jun 30, 2026
EFFECT Filing Jul 13, 2026 —
S-3/A Filing Jul 10, 2026 —
S-3/A Filing Jul 8, 2026 —
EFFECT Filing Jul 7, 2026 —
8-K Current report
Shareholder vote results
Jul 2, 2026 Jun 30, 2026
S-3 Shelf registration Jul 2, 2026 —
8-K Current report
Material agreement
Jun 26, 2026 Jun 23, 2026
S-1/A Amended registration statement Jun 26, 2026 —
DEF 14A Proxy statement Jun 4, 2026 Jun 4, 2026
D Filing Jun 3, 2026 —
PRE 14A Preliminary proxy statement May 22, 2026 May 22, 2026
8-K Current report
Material agreement, Unregistered share sale
May 22, 2026 May 20, 2026
RW Filing May 21, 2026 —
10-Q Quarterly report May 19, 2026 Mar 31, 2026
NT 10-Q Filing May 18, 2026 Mar 31, 2026
S-1 Registration statement May 8, 2026 —
EFFECT Filing Apr 15, 2026 —
POS AM Filing Apr 10, 2026 —
DRS Filing Apr 2, 2026 —
F-6/A Filing Mar 31, 2026 —
10-K Annual report Mar 30, 2026 Dec 31, 2025
8-K Current report
Change to shareholder rights, Regulation FD disclosure
Mar 17, 2026 Mar 17, 2026
8-K Current report
Shareholder vote results
Mar 2, 2026 Mar 2, 2026
DEF 14A Proxy statement Feb 2, 2026 Feb 2, 2026
EFFECT Filing Jan 29, 2026 —
UPLOAD Letter from the SEC Jan 27, 2026 —
CORRESP Letter to the SEC Jan 27, 2026 —
S-1 Registration statement Jan 23, 2026 —
PRE 14A Preliminary proxy statement Jan 22, 2026 Jan 22, 2026
8-K Current report
Material agreement, Agreement ended, Unregistered share sale, Regulation FD disclosure
Dec 17, 2025 Dec 16, 2025
424B5 Prospectus supplement Dec 17, 2025 —
8-K Current report
Shareholder vote results
Dec 16, 2025 Dec 15, 2025
8-K Current report
Regulation FD disclosure
Dec 8, 2025 Dec 8, 2025
424B3 Prospectus Dec 5, 2025 —
EFFECT Filing Dec 2, 2025 —
CORRESP Letter to the SEC Dec 1, 2025 —
8-K Current report
Listing notice
Nov 26, 2025 Nov 24, 2025
DEF 14A Proxy statement Nov 17, 2025 Nov 17, 2025
S-1 Registration statement Nov 17, 2025 —
10-Q Quarterly report Nov 13, 2025 Sep 30, 2025
PRE 14A Preliminary proxy statement Nov 7, 2025 Nov 7, 2025
D Filing Oct 24, 2025 —
8-K Current report
Officer or director change
Oct 23, 2025 Oct 22, 2025
8-K Current report
Material agreement, Unregistered share sale
Oct 16, 2025 Oct 14, 2025
424B5 Prospectus supplement Oct 16, 2025 —
8-K Current report
Regulation FD disclosure
Oct 15, 2025 Oct 15, 2025
8-K Current report
Other events
Sep 29, 2025 Sep 26, 2025
8-K Current report
Material agreement, Other events
Sep 25, 2025 Sep 19, 2025
S-1 Registration statement Aug 29, 2025 —
8-K Current report
Material agreement, Unregistered share sale, Officer or director change
Aug 29, 2025 Aug 28, 2025
8-K Current report
Material agreement, Agreement ended, New debt
Aug 21, 2025 Aug 15, 2025
8-K Current report
Regulation FD disclosure
Aug 19, 2025 Aug 19, 2025
10-Q Quarterly report Aug 13, 2025 Jun 30, 2025
EFFECT Filing Jul 31, 2025 —
CORRESP Letter to the SEC Jul 30, 2025 —
UPLOAD Letter from the SEC Jul 30, 2025 —
S-8 Employee stock plan registration Jul 29, 2025 —
S-3 Shelf registration Jul 29, 2025 —
8-K Current report
Officer or director change, Shareholder vote results
Jul 1, 2025 Jun 30, 2025
ARS Annual report to shareholders Jun 6, 2025 Dec 31, 2024
DEF 14A Proxy statement Jun 6, 2025 Jun 6, 2025
PRE 14A Preliminary proxy statement May 23, 2025 May 23, 2025
8-K Current report
Results of operations
May 15, 2025 May 15, 2025
EFFECT Filing May 14, 2025 —
10-Q Quarterly report May 14, 2025 Mar 31, 2025
424B3 Prospectus May 14, 2025 —
CORRESP Letter to the SEC May 12, 2025 —
UPLOAD Letter from the SEC May 9, 2025 —
S-3 Shelf registration May 6, 2025 —
8-K Current report
Results of operations
Apr 16, 2025 Apr 16, 2025
10-K Annual report Apr 15, 2025 Dec 31, 2024
NT 10-K Filing Mar 31, 2025 Dec 31, 2024
8-K Current report
Officer or director change
Mar 20, 2025 Mar 14, 2025
8-K Current report
Material agreement, Unregistered share sale
Mar 3, 2025 Mar 2, 2025
8-K Current report
Regulation FD disclosure
Jan 13, 2025 Jan 13, 2025
8-K Current report
Officer or director change
Dec 18, 2024 Dec 12, 2024
8-K Current report
Officer or director change
Dec 16, 2024 Dec 12, 2024
8-K Current report
Officer or director change
Dec 12, 2024 Dec 6, 2024
10-Q Quarterly report Nov 19, 2024 Sep 30, 2024
NT 10-Q Filing Nov 15, 2024 Sep 30, 2024
8-K Current report
Material agreement, Acquisition or sale of assets, Listing notice, Unregistered share sale, Officer or director change, Regulation FD disclosure
Nov 14, 2024 Nov 13, 2024
8-K Current report
Shareholder vote results, Regulation FD disclosure
Nov 8, 2024 Nov 7, 2024
425 Filing Oct 15, 2024 —
EFFECT Filing Oct 11, 2024 —
424B3 Prospectus Oct 11, 2024 —
CORRESP Letter to the SEC Oct 9, 2024 —
S-4/A Filing Oct 9, 2024 —
8-K Current report
Listing notice
Oct 4, 2024 Oct 1, 2024
CORRESP Letter to the SEC Sep 30, 2024 —
S-4/A Filing Sep 30, 2024 —
UPLOAD Letter from the SEC Sep 26, 2024 —
8-K Current report
Officer or director change, Other events
Sep 18, 2024 Sep 13, 2024
424B5 Prospectus supplement Sep 16, 2024 —
EFFECT Filing Sep 13, 2024 —
S-4 Registration for a merger or exchange Sep 13, 2024 —
CORRESP Letter to the SEC Sep 11, 2024 —
UPLOAD Letter from the SEC Sep 11, 2024 —
S-3 Shelf registration Sep 6, 2024 —
8-K Current report
Other events
Sep 6, 2024 Sep 6, 2024
8-K/A Amended current report
Officer or director change
Aug 23, 2024 Apr 25, 2024
10-Q Quarterly report Aug 19, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 19, 2024 Aug 19, 2024
NT 10-Q Filing Aug 15, 2024 Jun 30, 2024
8-K Current report
Shareholder vote results
Jul 1, 2024 Jun 28, 2024
8-K Current report
Officer or director change
Jun 5, 2024 May 31, 2024
425 Filing Jun 4, 2024 —
8-K Current report
Material agreement, Unregistered share sale
Jun 4, 2024 May 29, 2024
ARS Annual report to shareholders Jun 4, 2024 Dec 31, 2023
DEF 14A Proxy statement Jun 3, 2024 Jun 27, 2024
8-K Current report
Results of operations
May 16, 2024 May 16, 2024
10-Q Quarterly report May 15, 2024 Mar 31, 2024
8-K Current report
Exit or restructuring costs, Officer or director change
May 7, 2024 May 1, 2024
425 Filing May 1, 2024 —
8-K Current report
Officer or director change, Other events
May 1, 2024 Apr 25, 2024
8-K Current report
Listing notice
Apr 11, 2024 Apr 5, 2024
8-K Current report
Results of operations
Apr 1, 2024 Apr 1, 2024
10-K Annual report Mar 29, 2024 Dec 31, 2023
425 Filing Mar 11, 2024 —
8-K Current report
Material agreement, Unregistered share sale
Mar 11, 2024 Mar 11, 2024
425 Filing Mar 5, 2024 —
425 Filing Mar 5, 2024 —
8-K Current report
Material agreement, Regulation FD disclosure
Mar 5, 2024 Mar 4, 2024
D Filing Jan 9, 2024 —
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
Jan 2, 2024 Dec 27, 2023
6-K Current report (foreign issuer) Dec 1, 2023 Dec 1, 2023
6-K Current report (foreign issuer) Nov 16, 2023 Nov 16, 2023
424B3 Prospectus Oct 27, 2023 —
EFFECT Filing Oct 26, 2023 —
CORRESP Letter to the SEC Oct 25, 2023 —
UPLOAD Letter from the SEC Oct 24, 2023 —
EFFECT Filing Oct 23, 2023 —
EFFECT Filing Oct 23, 2023 —
POS AM Filing Oct 20, 2023 —
POS AM Filing Oct 20, 2023 —
F-3 Shelf registration (foreign issuer) Oct 20, 2023 —
D Filing Oct 19, 2023 —
S-8 Employee stock plan registration Oct 12, 2023 —
6-K Current report (foreign issuer) Sep 29, 2023 Jun 30, 2023
6-K Current report (foreign issuer) Sep 21, 2023 Sep 21, 2023
6-K Current report (foreign issuer) Sep 5, 2023 Sep 5, 2023
6-K Current report (foreign issuer) Aug 18, 2023 Aug 18, 2023
F-6 POS Filing Aug 17, 2023 —
6-K Current report (foreign issuer) Aug 15, 2023 Aug 15, 2023
6-K Current report (foreign issuer) Aug 2, 2023 Aug 2, 2023
6-K Current report (foreign issuer) Jul 27, 2023 Jul 27, 2023
6-K Current report (foreign issuer) Jul 25, 2023 Jul 25, 2023
6-K Current report (foreign issuer) Jul 19, 2023 Jul 19, 2023
6-K Current report (foreign issuer) Jul 13, 2023 Jul 13, 2023
6-K Current report (foreign issuer) Jul 11, 2023 Jul 11, 2023
6-K Current report (foreign issuer) Jul 7, 2023 Jul 7, 2023
6-K Current report (foreign issuer) Jul 6, 2023 Jul 6, 2023
6-K Current report (foreign issuer) Jul 5, 2023 Jul 5, 2023
6-K Current report (foreign issuer) Jun 30, 2023 Jun 30, 2023
EFFECT Filing Jun 6, 2023 —
EFFECT Filing Jun 6, 2023 —
6-K Current report (foreign issuer) Jun 6, 2023 Jun 6, 2023
POS AM Filing May 31, 2023 —
POS AM Filing May 31, 2023 —
S-8 Employee stock plan registration May 31, 2023 —
6-K Current report (foreign issuer) May 22, 2023 May 22, 2023
6-K Current report (foreign issuer) May 5, 2023 May 5, 2023
6-K Current report (foreign issuer) May 3, 2023 May 3, 2023
6-K Current report (foreign issuer) May 1, 2023 May 1, 2023
20-F Annual report (foreign issuer) May 1, 2023 Dec 31, 2022
6-K Current report (foreign issuer) Apr 25, 2023 Apr 25, 2023
6-K Current report (foreign issuer) Mar 31, 2023 Mar 31, 2023
424B5 Prospectus supplement Mar 31, 2023 —
6-K Current report (foreign issuer) Mar 29, 2023 Mar 29, 2023
6-K Current report (foreign issuer) Mar 28, 2023 Mar 28, 2023
6-K Current report (foreign issuer) Mar 13, 2023 Mar 13, 2023
6-K Current report (foreign issuer) Feb 21, 2023 Feb 21, 2023
6-K Current report (foreign issuer) Feb 15, 2023 Feb 15, 2023
6-K Current report (foreign issuer) Feb 15, 2023 Feb 15, 2023
6-K Current report (foreign issuer) Feb 13, 2023 Feb 13, 2023
6-K Current report (foreign issuer) Nov 10, 2022 Nov 10, 2022
424B3 Prospectus Nov 9, 2022 —
EFFECT Filing Nov 8, 2022 —
6-K Current report (foreign issuer) Nov 8, 2022 Nov 8, 2022
CORRESP Letter to the SEC Nov 7, 2022 —
F-1/A Form f-1/a Nov 4, 2022 —
6-K Current report (foreign issuer) Oct 28, 2022 Oct 28, 2022
UPLOAD Letter from the SEC Oct 19, 2022 —
F-1 Registration statement (foreign issuer) Oct 12, 2022 —
6-K Current report (foreign issuer) Sep 27, 2022 Jun 30, 2022
D Filing Sep 27, 2022 —
424B5 Prospectus supplement Sep 14, 2022 —
6-K Current report (foreign issuer) Sep 14, 2022 Sep 14, 2022
6-K Current report (foreign issuer) Aug 1, 2022 Aug 1, 2022
6-K Current report (foreign issuer) Jul 29, 2022 Jul 28, 2022
6-K Current report (foreign issuer) Jul 20, 2022 Jul 20, 2022
6-K Current report (foreign issuer) Jul 8, 2022 Jul 7, 2022
6-K Current report (foreign issuer) Jul 5, 2022 Jul 5, 2022
6-K Current report (foreign issuer) Jun 16, 2022 Jun 15, 2022
6-K Current report (foreign issuer) Jun 7, 2022 Jun 6, 2022

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
AKTX (Nasdaq)
Fiscal year ends
December 31
Incorporated in
United Kingdom
Headquarters
Tampa, FL
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1541157
Former names
Celsus Therapeutics Plc. (until Sep 15, 2015); Morria Biopharmaceuticals PLC (until Jun 20, 2013)

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.