Xenetic Biosciences, Inc. SEC filings XBIO

Xenetic Biosciences, Inc. has 484 filings in SEC EDGAR's recent list, going back to Nov 21, 2011. Its latest annual report, Form 10-K, was filed on Mar 12, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 23, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.

Xenetic Biosciences, Inc. SEC filings
Form Description Filed Period
8-K Current report
Regulation FD disclosure
Sep 23, 2026 Sep 23, 2026
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
Sep 16, 2026 Sep 14, 2026
8-K Current report
Results of operations
Aug 7, 2026 Aug 7, 2026
8-K Current report
Results of operations
May 13, 2026 May 13, 2026
8-K Current report
Officer or director change
Apr 24, 2026 Apr 21, 2026
8-K Current report
Results of operations
Mar 13, 2026 Mar 13, 2026
8-K Current report
Other events
Jan 9, 2026 Jan 8, 2026
8-K Current report
Regulation FD disclosure
Dec 11, 2025 Dec 11, 2025
8-K Current report
Results of operations
Nov 13, 2025 Nov 13, 2025
8-K Current report
Material agreement, Other events
Oct 14, 2025 Oct 10, 2025
8-K Current report
Results of operations
Aug 13, 2025 Aug 13, 2025
8-K Current report
Results of operations
May 14, 2025 May 14, 2025
8-K Current report
Auditor change
Apr 10, 2025 Apr 8, 2025
8-K/A Amended current report Mar 19, 2025 Mar 19, 2025
8-K Current report
Results of operations
Mar 19, 2025 Mar 19, 2025
8-K Current report
Shareholder vote results
Dec 13, 2024 Dec 11, 2024
8-K Current report
Results of operations
Nov 13, 2024 Nov 13, 2024
8-K Current report
Material agreement, Regulation FD disclosure
Nov 7, 2024 Nov 1, 2024
8-K Current report
Officer or director change
Oct 31, 2024 Oct 29, 2024
8-K Current report
Results of operations
Aug 14, 2024 Aug 14, 2024
8-K Current report
Officer or director change
Jun 21, 2024 Jun 18, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
May 22, 2024 May 16, 2024
8-K Current report
Results of operations
May 10, 2024 May 10, 2024
8-K Current report
Results of operations
Mar 22, 2024 Mar 22, 2024
8-K Current report
Regulation FD disclosure
Feb 12, 2024 Feb 12, 2024
8-K Current report
Shareholder vote results
Dec 8, 2023 Dec 6, 2023
8-K Current report
Results of operations
Nov 13, 2023 Nov 10, 2023
8-K Current report
Results of operations
Aug 11, 2023 Aug 11, 2023
8-K Current report
Regulation FD disclosure
Jun 6, 2023 Jun 6, 2023
8-K Current report
Other events
Jun 2, 2023 May 30, 2023
8-K Current report
Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure
May 12, 2023 May 11, 2023
8-K Current report
Results of operations
May 11, 2023 May 11, 2023
8-K Current report
Results of operations
Mar 23, 2023 Mar 23, 2023
8-K Current report
Shareholder vote results
Dec 22, 2022 Dec 21, 2022
8-K Current report
Shareholder vote results
Dec 9, 2022 Dec 7, 2022
8-K Current report
Listing notice
Dec 2, 2022 Dec 1, 2022
8-K Current report
Results of operations
Nov 10, 2022 Nov 10, 2022
8-K Current report
Unregistered share sale
Oct 12, 2022 Oct 12, 2022
8-K Current report
Results of operations
Aug 12, 2022 Aug 12, 2022
8-K Current report
Material agreement, Regulation FD disclosure
Jul 7, 2022 Jun 30, 2022
8-K Current report
Listing notice
Jun 6, 2022 Jun 3, 2022
8-K Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
Apr 27, 2022 Apr 26, 2022
8-K Current report
Results of operations
Mar 23, 2022 Mar 23, 2022
8-K Current report
Shareholder vote results
Dec 9, 2021 Dec 7, 2021
8-K Current report
Material agreement
Nov 19, 2021 Nov 19, 2021
8-K Current report
Material agreement
Nov 16, 2021 Nov 15, 2021
8-K Current report
Results of operations
Nov 12, 2021 Nov 12, 2021
8-K Current report
Material agreement, Agreement ended
Oct 15, 2021 Oct 12, 2021
8-K Current report
Regulation FD disclosure
Sep 13, 2021 Sep 13, 2021
8-K Current report
Results of operations
Aug 13, 2021 Aug 13, 2021
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
Jul 28, 2021 Jul 26, 2021
8-K Current report
Officer or director change
Jul 16, 2021 Jul 15, 2021
8-K Current report
Results of operations
May 12, 2021 May 12, 2021
8-K Current report
Results of operations
Mar 17, 2021 Mar 17, 2021
8-K Current report
Regulation FD disclosure
Jan 19, 2021 Jan 19, 2021
8-K Current report
Other events
Dec 16, 2020 Dec 11, 2020
8-K Current report
Material agreement, Other events
Dec 14, 2020 Dec 10, 2020
8-K Current report
Shareholder vote results
Dec 9, 2020 Dec 4, 2020
8-K Current report
Results of operations
Nov 13, 2020 Nov 13, 2020
8-K Current report
Listing notice
Oct 30, 2020 Oct 29, 2020
8-K Current report
Results of operations
Aug 13, 2020 Aug 13, 2020
8-K Current report
Other events
Jun 24, 2020 Jun 22, 2020
8-K Current report
Material agreement, Regulation FD disclosure
Jun 16, 2020 Jun 12, 2020
8-K Current report
Material agreement, Regulation FD disclosure
May 19, 2020 May 15, 2020
8-K Current report
Results of operations
May 14, 2020 May 14, 2020
8-K Current report
Listing notice
Apr 24, 2020 Apr 20, 2020
8-K Current report
Results of operations
Mar 27, 2020 Mar 27, 2020
8-K Current report
Shareholder vote results
Dec 6, 2019 Dec 4, 2019
8-K Current report
Results of operations
Nov 15, 2019 Nov 15, 2019
8-K Current report
Regulation FD disclosure
Oct 8, 2019 Oct 8, 2019
8-K Current report
Officer or director change
Sep 30, 2019 Sep 25, 2019
8-K Current report
Regulation FD disclosure
Sep 9, 2019 Sep 9, 2019
8-K Current report
Results of operations
Aug 15, 2019 Aug 15, 2019
8-K Current report
Material agreement, Unregistered share sale, Officer or director change, Other events
Jul 22, 2019 Jul 17, 2019
8-K Current report
Other events
Jul 17, 2019 Jul 17, 2019
8-K Current report Jul 16, 2019 Jul 16, 2019
8-K Current report
Material agreement
Jul 16, 2019 Jul 15, 2019
8-K Current report
Listing notice
Jul 2, 2019 Jun 28, 2019
8-K Current report
Material agreement, Unregistered share sale
Jun 25, 2019 Jun 24, 2019
8-K Current report
Material agreement, Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results
Jun 24, 2019 Jun 19, 2019
8-K Current report
Material agreement, Other events
Jun 13, 2019 Jun 7, 2019
8-K/A Amended current report
Other events
May 20, 2019 Mar 1, 2019
8-K/A Amended current report
Other events
May 13, 2019 Mar 1, 2019
8-K Current report
Results of operations
May 13, 2019 May 13, 2019
8-K Current report
Material agreement, Unregistered share sale
Mar 7, 2019 Mar 5, 2019
8-K Current report
Other events
Mar 5, 2019 Mar 5, 2019
8-K Current report
Material agreement, Unregistered share sale, Other events
Mar 4, 2019 Mar 1, 2019
8-K Current report
Shareholder vote results
Nov 30, 2018 Nov 28, 2018
8-K Current report
Shareholder vote results
Nov 17, 2017 Nov 15, 2017
8-K Current report
Results of operations
Nov 15, 2017 Nov 15, 2017
8-K Current report
Officer or director change
Nov 3, 2017 Nov 3, 2017
8-K Current report
Material agreement, Other events
Nov 2, 2017 Oct 27, 2017
8-K Current report
Officer or director change, Other events
Nov 1, 2017 Oct 26, 2017
8-K Current report
Other events
Oct 2, 2017 Oct 2, 2017
8-K Current report
Other events
Aug 23, 2017 Aug 16, 2017
8-K Current report
Results of operations
Aug 15, 2017 Aug 15, 2017
8-K Current report
Listing notice, Officer or director change
Aug 14, 2017 Aug 9, 2017
8-K Current report
Other events
Jul 18, 2017 Jul 18, 2017
8-K Current report
Regulation FD disclosure
May 22, 2017 May 22, 2017
8-K Current report
Officer or director change
Apr 27, 2017 Apr 24, 2017
8-K Current report
Unregistered share sale, Officer or director change, Regulation FD disclosure
Apr 4, 2017 Apr 4, 2017
8-K Current report
Bylaw or fiscal year change
Feb 27, 2017 Feb 27, 2017
8-K Current report
Officer or director change, Regulation FD disclosure, Other events
Jan 4, 2017 Jan 1, 2017
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 6, 2016 Dec 2, 2016
8-K Current report
Officer or director change, Regulation FD disclosure
Nov 22, 2016 Nov 21, 2016
8-K Current report
Material agreement, Unregistered share sale, Other events
Sep 23, 2016 Sep 19, 2016
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 12, 2016 Jul 8, 2016
8-K Current report
Unregistered share sale, Officer or director change
Jul 8, 2016 Jul 1, 2016
8-K Current report
Other events
Jun 1, 2016 May 16, 2016
8-K Current report
Officer or director change
May 6, 2016 May 3, 2016
8-K Current report
Acquisition or sale of assets
May 3, 2016 Apr 27, 2016
8-K Current report
Officer or director change, Regulation FD disclosure, Other events
Feb 29, 2016 Feb 29, 2016
8-K Current report
Material agreement, New debt, Unregistered share sale, Other events
Nov 16, 2015 Nov 13, 2015
8-K Current report
Officer or director change, Bylaw or fiscal year change
Sep 30, 2015 Sep 24, 2015
8-K Current report
Other events
Sep 11, 2015 Sep 6, 2015
8-K Current report
Regulation FD disclosure, Other events
Sep 2, 2015 Aug 28, 2015
8-K Current report
Officer or director change
Jul 30, 2015 Jul 29, 2015
8-K Current report
Other events
Jul 8, 2015 Jul 3, 2015
8-K Current report
Auditor change
Jul 1, 2015 Jun 25, 2015
8-K Current report
Officer or director change
Apr 21, 2015 Apr 16, 2015
8-K Current report
Material agreement, Unregistered share sale
Jan 7, 2015 Dec 31, 2014
8-K Current report
Officer or director change
May 6, 2014 Apr 30, 2014
8-K/A Amended current report Apr 10, 2014 Jan 23, 2014
8-K Current report
Auditor change
Apr 10, 2014 Apr 9, 2014
8-K Current report
Officer or director change
Apr 3, 2014 Apr 1, 2014
8-K Current report
Officer or director change
Feb 10, 2014 Feb 7, 2014
8-K/A Amended current report
Unregistered share sale
Feb 5, 2014 Jan 29, 2014
8-K Current report
Material agreement, Unregistered share sale, Other events
Jan 30, 2014 Jan 29, 2014
8-K Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change in control, Officer or director change, Bylaw or fiscal year change
Jan 29, 2014 Jan 23, 2014
8-K Current report
Material agreement
Jan 21, 2014 Jan 16, 2014
8-K Current report
Other events
Jan 14, 2014 Jan 14, 2014
8-K Current report
Other events
Dec 19, 2013 Dec 17, 2013
8-K Current report
Other events
Nov 25, 2013 Nov 19, 2013
8-K/A Amended current report
Other events
Nov 25, 2013 Nov 19, 2013
8-K/A Amended current report
Other events
Nov 14, 2013 Nov 12, 2013
8-K Current report
Other events
Nov 13, 2013 Nov 12, 2013
8-K Current report
Other events
Oct 21, 2013 Oct 21, 2013
8-K Current report
Material agreement, Change in control
Oct 11, 2013 Oct 8, 2013
8-K Current report
Bylaw or fiscal year change, Other events
Feb 27, 2013 Feb 25, 2013
8-K Current report
Exit or restructuring costs, Officer or director change, Bylaw or fiscal year change
Feb 12, 2013 Feb 11, 2013
8-K Current report
Other events
Apr 17, 2012 Apr 16, 2012

Showing 141 filings. 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
XBIO (Nasdaq)
Fiscal year ends
December 31
Incorporated in
NV
Headquarters
Framingham, MA
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1534525
Former names
General Sales & Leasing, Inc. (until Jan 10, 2014); GENERAL AIRCRAFT INC. (until Feb 12, 2013)

Other Pharmaceutical Preparations companies

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