Xenetic Biosciences, Inc.

Symbol
XBIO on Nasdaq
Entity
Company
Business address
945 Concord St., 01701 Framingham, MA
Phone
781-778-7720
State of incorporation
NV
Fiscal year end
December 31
Category
Non-accelerated filer
Smaller reporting company
Former names
General Sales & Leasing, Inc. (to 1/10/2014), GENERAL AIRCRAFT INC. (to 2/12/2013)
All SEC filings
View on sec.gov
Get insider transactions for this issuer
Xenetic Biosciences, Inc. has filed 462 SEC EDGAR filings since 11/21/2011

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open Document | Data Open Filing CURRENT REPORT Nov 13, 2025 Nov 13, 2025 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q FOR SEP 2025 Nov 12, 2025 Sep 30, 2025 001-37937
ARS Open Document Open Filing ANNUAL REPORT TO SECURITY HOLDERS Oct 31, 2025 Dec 31, 2024 001-37937
DEFA14A Open Document Open Filing DEFINITIVE ADDITIONAL MATERIALS Oct 31, 2025 001-37937
DEF 14A Open Document | Data Open Filing DEFINITIVE PROXY STATEMENT Oct 31, 2025 Dec 11, 2025 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Oct 14, 2025 Oct 10, 2025 001-37937
424B5 Open Document Open Filing FORM 424B5 Oct 14, 2025 333-282756
424B5 Open Document Open Filing FORM 424B5 Oct 10, 2025 333-282756
8-K Open Document | Data Open Filing FORM 8-K Aug 13, 2025 Aug 13, 2025 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q FOR JUN 2025 Aug 12, 2025 Jun 30, 2025 001-37937
8-K Open Document | Data Open Filing FORM 8-K May 14, 2025 May 14, 2025 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q FOR MAR 2025 May 13, 2025 Mar 31, 2025 001-37937
10-K/A Open Document | Data Open Filing AMENDMENT #2 TO FORM 10-K May 13, 2025 Dec 31, 2024 001-37937
10-K/A Open Document | Data Open Filing AMENDMENT NO. 1 TO FORM 10-K Apr 29, 2025 Dec 31, 2024 001-37937
8-K Open Document | Data Open Filing FORM 8-K Apr 10, 2025 Apr 8, 2025 001-37937
8-K/A Open Document | Data Open Filing AMENDMENT NO 1 Mar 19, 2025 Mar 19, 2025 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Mar 19, 2025 Mar 19, 2025 001-37937
10-K Open Document | Data Open Filing FORM 10-K FOR DEC 2024 Mar 18, 2025 Dec 31, 2024 001-37937
4 Open Document Open Filing Dec 13, 2024 Dec 11, 2024
4 Open Document Open Filing Dec 13, 2024 Dec 11, 2024
4 Open Document Open Filing Dec 13, 2024 Dec 11, 2024
4 Open Document Open Filing Dec 13, 2024 Dec 11, 2024
8-K Open Document | Data Open Filing CURRENT REPORT Dec 13, 2024 Dec 11, 2024 001-37937
8-K Open Document | Data Open Filing FORM 8-K Nov 13, 2024 Nov 13, 2024 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q FOR SEPT 2024 Nov 12, 2024 Sep 30, 2024 001-37937
8-K Open Document | Data Open Filing FORM 8-K Nov 7, 2024 Nov 1, 2024 001-37937
EFFECT Open Document Open Filing Nov 1, 2024 333-282756
8-K Open Document | Data Open Filing CURRENT REPORT Oct 31, 2024 Oct 29, 2024 001-37937
ARS Open Document Open Filing ANNUAL REPORT TO SECURITY HOLDERS Oct 31, 2024 Dec 31, 2023 001-37937
DEFA14A Open Document Open Filing DEFINITIVE ADDITIONAL MATERIALS Oct 31, 2024 001-37937
DEF 14A Open Document | Data Open Filing DEFINITIVE PROXY Oct 31, 2024 Dec 11, 2024 001-37937
CORRESP Open Document Open Filing Oct 30, 2024
UPLOAD Open Document Open Filing Oct 25, 2024 333-282756
S-3 Open Document | Data Open Filing FORM S-3 Oct 21, 2024 333-282756
8-K Open Document | Data Open Filing FORM 8-K Aug 14, 2024 Aug 14, 2024 001-37937
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 13, 2024 Jun 30, 2024 001-37937
25-NSE Open Document Open Filing Jul 18, 2024 001-37937
4 Open Document Open Filing Jun 21, 2024 Jun 18, 2024
8-K Open Document | Data Open Filing 8-K Jun 21, 2024 Jun 18, 2024 001-37937
8-K Open Document | Data Open Filing FORM 8-K May 22, 2024 May 16, 2024 001-37937
8-K Open Document | Data Open Filing FORM 8-K May 10, 2024 May 10, 2024 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q FOR 3-31-24 May 9, 2024 Mar 31, 2024 001-37937
10-K/A Open Document Open Filing AMENDMENT NO. 1 TO FORM 10-K Apr 26, 2024 Dec 31, 2023 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Mar 22, 2024 Mar 22, 2024 001-37937
10-K Open Document | Data Open Filing FORM 10-K FOR DEC 2023 Mar 21, 2024 Dec 31, 2023 001-37937
SC 13D/A Open Document Open Filing AMENDMENT NO. 2 TO SCHEDULE 13D Mar 18, 2024 005-89709
8-K Open Document | Data Open Filing FORM 8-K Feb 12, 2024 Feb 12, 2024 001-37937
4 Open Document Open Filing Dec 18, 2023 Dec 6, 2023
3 Open Document Open Filing Dec 18, 2023 Dec 6, 2023
4 Open Document Open Filing Dec 13, 2023 Dec 11, 2023
4 Open Document Open Filing Dec 13, 2023 Dec 11, 2023
4 Open Document Open Filing Dec 13, 2023 Dec 11, 2023
4 Open Document Open Filing Dec 8, 2023 Dec 6, 2023
4 Open Document Open Filing Dec 8, 2023 Dec 6, 2023
4 Open Document Open Filing Dec 8, 2023 Dec 6, 2023
4 Open Document Open Filing Dec 8, 2023 Dec 6, 2023
4 Open Document Open Filing Dec 8, 2023 Dec 6, 2023
4 Open Document Open Filing Dec 8, 2023 Dec 6, 2023
8-K Open Document | Data Open Filing FORM 8-K Dec 8, 2023 Dec 6, 2023 001-37937
ARS Open Document Open Filing ANNUAL REPORT Nov 13, 2023 Dec 31, 2022 001-37937
DEF 14A Open Document | Data Open Filing DEFINITIVE PROXY STATEMENT Nov 13, 2023 Dec 6, 2023 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Nov 13, 2023 Nov 10, 2023 001-37937
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 9, 2023 Sep 30, 2023 001-37937
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13D Sep 18, 2023 005-89709
8-K Open Document | Data Open Filing CURRENT REPORT Aug 11, 2023 Aug 11, 2023 001-37937
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 10, 2023 Jun 30, 2023 001-37937
SC 13D Open Document Open Filing SCHEDULE 13D Jun 15, 2023 005-89709
8-K Open Document | Data Open Filing CURRENT REPORT Jun 6, 2023 Jun 6, 2023 001-37937
8-K Open Document | Data Open Filing FORM 8-K Jun 2, 2023 May 30, 2023 001-37937
8-K Open Document | Data Open Filing FORM 8-K May 12, 2023 May 11, 2023 001-37937
8-K Open Document | Data Open Filing 8-K May 11, 2023 May 11, 2023 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q May 11, 2023 Mar 31, 2023 001-37937
10-K/A Open Document Open Filing ANNUAL REPORT AMENDMENT 1 Apr 28, 2023 Dec 31, 2022 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Mar 23, 2023 Mar 23, 2023 001-37937
10-K Open Document | Data Open Filing FORM 10-K Mar 22, 2023 Dec 31, 2022 001-37937
8-K Open Document | Data Open Filing FORM 8-K Dec 22, 2022 Dec 21, 2022 001-37937
4 Open Document Open Filing Dec 9, 2022 Dec 7, 2022
4 Open Document Open Filing Dec 9, 2022 Dec 7, 2022
4 Open Document Open Filing Dec 9, 2022 Dec 7, 2022
4 Open Document Open Filing Dec 9, 2022 Dec 7, 2022
4 Open Document Open Filing Dec 9, 2022 Dec 7, 2022
4 Open Document Open Filing Dec 9, 2022 Dec 7, 2022
8-K Open Document | Data Open Filing CURRENT REPORT Dec 9, 2022 Dec 7, 2022 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Dec 2, 2022 Dec 1, 2022 001-37937
8-K Open Document | Data Open Filing FORM 8-K Nov 10, 2022 Nov 10, 2022 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q Nov 9, 2022 Sep 30, 2022 001-37937
SC 13G Open Document Open Filing SC 13G Oct 21, 2022 005-89709
DEFA14A Open Document Open Filing ADDITIONAL DEFINITIVE PROXY SOLICITING MATERIALS Oct 17, 2022 001-37937
DEF 14A Open Document Open Filing DEFINITIVE PROXY Oct 17, 2022 Dec 7, 2022 001-37937
D Open Document Open Filing Oct 13, 2022 021-461635
8-K Open Document | Data Open Filing FORM 8-K Oct 12, 2022 Oct 12, 2022 001-37937
PRE 14A Open Document Open Filing PRELIMINARY PROXY Oct 3, 2022 Dec 7, 2022 001-37937
8-K Open Document | Data Open Filing FORM 8-K Aug 12, 2022 Aug 12, 2022 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q Aug 11, 2022 Jun 30, 2022 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Jul 7, 2022 Jun 30, 2022 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Jun 6, 2022 Jun 3, 2022 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q May 12, 2022 Mar 31, 2022 001-37937
D Open Document Open Filing May 4, 2022 021-444330
10-K/A Open Document Open Filing AMENDMENT NO. 1 Apr 28, 2022 Dec 31, 2021 001-37937
8-K Open Document | Data Open Filing FORM 8-K Apr 27, 2022 Apr 26, 2022 001-37937
4 Open Document Open Filing Mar 28, 2022 Mar 24, 2022
4 Open Document Open Filing Mar 28, 2022 Mar 24, 2022
4 Open Document Open Filing Mar 28, 2022 Mar 24, 2022
8-K Open Document | Data Open Filing FORM 8-K Mar 23, 2022 Mar 23, 2022 001-37937
10-K Open Document | Data Open Filing FORM 10-K Mar 22, 2022 Dec 31, 2021 001-37937
S-8 Open Document Open Filing FORM S-8 Dec 30, 2021 333-261956
4 Open Document Open Filing Dec 9, 2021 Dec 7, 2021
4 Open Document Open Filing Dec 9, 2021 Dec 7, 2021
4 Open Document Open Filing Dec 9, 2021 Dec 7, 2021
4 Open Document Open Filing Dec 9, 2021 Dec 7, 2021
4 Open Document Open Filing Dec 9, 2021 Dec 7, 2021
8-K Open Document | Data Open Filing CURRENT REPORT Dec 9, 2021 Dec 7, 2021 001-37937
DEFA14A Open Document Open Filing DEFINITIVE ADDITIONAL INFORMATION Dec 2, 2021 001-37937
8-K Open Document | Data Open Filing FORM 8-K Nov 19, 2021 Nov 19, 2021 001-37937
424B5 Open Document Open Filing 424B5 Nov 19, 2021 333-260201
8-K Open Document | Data Open Filing FORM 8-K Nov 16, 2021 Nov 15, 2021 001-37937
8-K Open Document | Data Open Filing CURRENT REPORT Nov 12, 2021 Nov 12, 2021 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q Nov 12, 2021 Sep 30, 2021 001-37937
EFFECT Open Document Open Filing Oct 22, 2021 333-260201
CORRESP Open Document Open Filing Oct 20, 2021
S-3/A Open Document Open Filing AMENDMENT TO FORM S-3 Oct 20, 2021 333-260201
UPLOAD Open Document Open Filing Oct 19, 2021
DEF 14A Open Document Open Filing DEFINITIVE PROXY Oct 15, 2021 Dec 7, 2021 001-37937
8-K Open Document | Data Open Filing FORM 8-K Oct 15, 2021 Oct 12, 2021 001-37937
S-3 Open Document Open Filing REGISTRATION STATEMENT Oct 12, 2021 333-260201
8-K Open Document | Data Open Filing CURRENT REPORT Sep 13, 2021 Sep 13, 2021 001-37937
EFFECT Open Document Open Filing Aug 23, 2021 333-258810
CORRESP Open Document Open Filing Aug 19, 2021
UPLOAD Open Document Open Filing Aug 18, 2021
S-3 Open Document Open Filing FORM S-3 Aug 13, 2021 333-258810
8-K Open Document | Data Open Filing CURRENT REPORT Aug 13, 2021 Aug 13, 2021 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q FOR JUNE 30, 2021 Aug 12, 2021 Jun 30, 2021 001-37937
D Open Document Open Filing Aug 3, 2021 021-408666
8-K Open Document Open Filing FORM 8-K Jul 28, 2021 Jul 26, 2021 001-37937
8-K Open Document Open Filing FORM 8-K Jul 16, 2021 Jul 15, 2021 001-37937
8-K Open Document Open Filing FORM 8-K May 12, 2021 May 12, 2021 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q May 11, 2021 Mar 31, 2021 001-37937
10-K/A Open Document Open Filing FORM 10-K AMENDMENT Apr 28, 2021 Dec 31, 2020 001-37937
4 Open Document Open Filing Mar 22, 2021 Mar 18, 2021
4 Open Document Open Filing Mar 22, 2021 Mar 18, 2021
4 Open Document Open Filing Mar 22, 2021 Mar 18, 2021
8-K Open Document Open Filing FORM 8-K Mar 17, 2021 Mar 17, 2021 001-37937
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 16, 2021 Dec 31, 2020 001-37937
8-K Open Document Open Filing FORM 8-K Jan 19, 2021 Jan 19, 2021 001-37937
SC 13G Open Document Open Filing SCHEDULE 13G Dec 21, 2020 005-89709
8-K Open Document Open Filing CURRENT REPORT Dec 16, 2020 Dec 11, 2020 001-37937
8-K Open Document Open Filing CURRENT REPORT Dec 14, 2020 Dec 10, 2020 001-37937
424B5 Open Document Open Filing PROSPECTUS SUPPLEMENT Dec 11, 2020 333-227572
8-K Open Document Open Filing FORM 8-K Dec 9, 2020 Dec 4, 2020 001-37937
4 Open Document Open Filing Dec 8, 2020 Dec 4, 2020
4 Open Document Open Filing Dec 8, 2020 Dec 4, 2020
4 Open Document Open Filing Dec 8, 2020 Dec 4, 2020
4 Open Document Open Filing Dec 8, 2020 Dec 4, 2020
4 Open Document Open Filing Dec 8, 2020 Dec 4, 2020
8-K Open Document Open Filing FORM 8-K Nov 13, 2020 Nov 13, 2020 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q Nov 12, 2020 Sep 30, 2020 001-37937
8-K Open Document Open Filing FORM 8-K Oct 30, 2020 Oct 29, 2020 001-37937
UPLOAD Open Document Open Filing Oct 14, 2020
DEF 14A Open Document Open Filing DEFINITIVE PROXY Oct 13, 2020 Dec 4, 2020 001-37937
CORRESP Open Document Open Filing Oct 6, 2020
UPLOAD Open Document Open Filing Oct 5, 2020
PRE 14A Open Document Open Filing PRELIMINARY PROXY STATEMENT Sep 30, 2020 Dec 4, 2020 001-37937
8-K Open Document Open Filing FORM 8-K Aug 13, 2020 Aug 13, 2020 001-37937
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 12, 2020 Jun 30, 2020 001-37937
8-K Open Document Open Filing FORM 8-K Jun 24, 2020 Jun 22, 2020 001-37937
8-K Open Document Open Filing FORM 8-K Jun 16, 2020 Jun 12, 2020 001-37937
8-K Open Document Open Filing FORM 8-K May 19, 2020 May 15, 2020 001-37937
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 14, 2020 Mar 31, 2020 001-37937
8-K Open Document Open Filing CURRENT REPORT May 14, 2020 May 14, 2020 001-37937
10-K/A Open Document Open Filing AMENDMENT NO. 1 Apr 29, 2020 Dec 31, 2019 001-37937
8-K Open Document Open Filing CURRENT REPORT Apr 24, 2020 Apr 20, 2020 001-37937
4/A Open Document Open Filing Apr 2, 2020 Sep 26, 2019
S-8 Open Document Open Filing FORMS-8 Apr 1, 2020 333-237529
8-K Open Document Open Filing FORM 8-K Mar 27, 2020 Mar 27, 2020 001-37937
10-K Open Document | Data Open Filing FORM 10-K Mar 26, 2020 Dec 31, 2019 001-37937
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2020 005-89709
SC 13G/A Open Document Open Filing AMENDMENT TO FORM SC 13G Feb 13, 2020 005-89709
SC 13G/A Open Document Open Filing SC 13G/A Feb 10, 2020 005-89709
SC 13G/A Open Document Open Filing XENETIC BIOSCIENCES, INC. Jan 21, 2020 005-89709
SC 13G/A Open Document Open Filing SABBY 13G-A XBIO 1.13.20 Jan 13, 2020 005-89709
4 Open Document Open Filing Dec 6, 2019 Dec 4, 2019
4 Open Document Open Filing Dec 6, 2019 Dec 4, 2019
4 Open Document Open Filing Dec 6, 2019 Dec 4, 2019
4 Open Document Open Filing Dec 6, 2019 Dec 4, 2019
4 Open Document Open Filing Dec 6, 2019 Dec 4, 2019
4 Open Document Open Filing Dec 6, 2019 Dec 4, 2019
4 Open Document Open Filing Dec 6, 2019 Dec 4, 2019
8-K Open Document Open Filing FORM 8-K Dec 6, 2019 Dec 4, 2019 001-37937
8-K Open Document | Data Open Filing FORM 8-K Nov 15, 2019 Nov 15, 2019 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q Nov 14, 2019 Sep 30, 2019 001-37937
DEF 14A Open Document Open Filing NOTICE AND PROXY STATEMENT Nov 8, 2019 Dec 4, 2019 001-37937
SC 13D/A Open Document Open Filing SC 13D/A Oct 23, 2019 005-89709
8-K Open Document Open Filing CURRENT REPORT Oct 8, 2019 Oct 8, 2019 001-37937
4 Open Document Open Filing Sep 30, 2019 Sep 26, 2019
4 Open Document Open Filing Sep 30, 2019 Sep 26, 2019
3 Open Document Open Filing Sep 30, 2019 Sep 26, 2019
8-K Open Document Open Filing FORM 8-K Sep 30, 2019 Sep 25, 2019 001-37937
EFFECT Open Document Open Filing Sep 23, 2019 333-233769
CORRESP Open Document Open Filing Sep 19, 2019
UPLOAD Open Document Open Filing Sep 19, 2019
S-3 Open Document Open Filing FORM S-3 REGISTRATION STATEMENT Sep 13, 2019 333-233769
8-K Open Document Open Filing FORM 8-K Sep 9, 2019 Sep 9, 2019 001-37937
SC 13G Open Document Open Filing SABBY 13G XBIO 9.04.19 Sep 4, 2019 005-89709
8-K Open Document Open Filing FORM 8-K Aug 15, 2019 Aug 15, 2019 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q Aug 14, 2019 Jun 30, 2019 001-37937
SC 13G Open Document Open Filing SC 13G Aug 7, 2019 005-89709
3 Open Document Open Filing Aug 5, 2019 Jul 19, 2019
SC 13D Open Document Open Filing SC 13D Jul 29, 2019 005-89709
SC 13G Open Document Open Filing SC 13G Jul 29, 2019 005-89709
SC 13G Open Document Open Filing ACQUISITION OF BENEFICIAL OWNERSHIP Jul 25, 2019 005-89709
4 Open Document Open Filing Jul 23, 2019 Jul 19, 2019
8-K Open Document Open Filing FORM 8-K Jul 22, 2019 Jul 17, 2019 001-37937
CERT Open Document Open Filing Jul 22, 2019 001-37937
8-A12B Open Document Open Filing FORM 8-A Jul 22, 2019 001-37937
424B5 Open Document Open Filing FORM 424B5 Jul 19, 2019 333-231508
D Open Document Open Filing Jul 18, 2019 021-344619
8-K Open Document Open Filing FORM 8-K Jul 17, 2019 Jul 17, 2019 001-37937
EFFECT Open Document Open Filing Jul 16, 2019 333-231508
8-K Open Document Open Filing FORM 8-K Jul 16, 2019 Jul 16, 2019 001-37937
8-K Open Document Open Filing FORM 8-K Jul 16, 2019 Jul 15, 2019 001-37937
CORRESP Open Document Open Filing Jul 15, 2019
CORRESP Open Document Open Filing Jul 15, 2019
S-1/A Open Document Open Filing AMENDMENT NO. 5 Jul 12, 2019 333-231508
CORRESP Open Document Open Filing Jul 12, 2019
CORRESP Open Document Open Filing Jul 12, 2019
CORRESP Open Document Open Filing Jul 10, 2019
CORRESP Open Document Open Filing Jul 10, 2019
S-1/A Open Document Open Filing AMENDMENT NO. 4 Jul 5, 2019 333-231508
CORRESP Open Document Open Filing Jul 3, 2019
CORRESP Open Document Open Filing Jul 3, 2019
S-1/A Open Document | Data Open Filing AMENDMENT NO. 3 Jul 2, 2019 333-231508
8-K Open Document Open Filing CURRENT REPORT Jul 2, 2019 Jun 28, 2019 001-37937
8-K Open Document Open Filing FORM 8-K Jun 25, 2019 Jun 24, 2019 001-37937
8-K Open Document Open Filing FORM 8-K Jun 24, 2019 Jun 19, 2019 001-37937
S-1/A Open Document Open Filing AMENDMENT NO. 2 TO FORM S-1 Jun 24, 2019 333-231508
425 Open Document Open Filing FILING PURSUANT TO RULE 425 Jun 18, 2019 001-37937
8-K Open Document Open Filing FORM 8-K Jun 13, 2019 Jun 7, 2019 001-37937
425 Open Document Open Filing FORM 8-K Jun 13, 2019 001-37937
CORRESP Open Document Open Filing May 24, 2019
S-1/A Open Document Open Filing AMENDMENT NO. 1 TO FORM S-1 May 24, 2019 333-231508
EFFECT Open Document Open Filing May 22, 2019 333-230637
424B3 Open Document Open Filing FORM 424(B)(3) May 22, 2019 333-230637
UPLOAD Open Document Open Filing May 21, 2019
CORRESP Open Document Open Filing May 21, 2019
S-4/A Open Document | Data Open Filing FORM S-4 AMENDMENT May 20, 2019 333-230637
8-K/A Open Document Open Filing FORM 8-K AMENDMENT May 20, 2019 Mar 1, 2019 001-37937
425 Open Document Open Filing FORM 8-K AMENDMENT May 20, 2019 001-37937
S-1 Open Document | Data Open Filing FORM S-1 REGISTRATION STATEMENT May 15, 2019 333-231508
S-4/A Open Document | Data Open Filing AMENDED REGISTRATION STATEMENT May 13, 2019 333-230637
8-K/A Open Document Open Filing FORM 8-K AMENDMENT May 13, 2019 Mar 1, 2019 001-37937
425 Open Document Open Filing FORM 8-K AMENDMENT May 13, 2019 001-37937
425 Open Document Open Filing 425 May 13, 2019 001-37937
8-K Open Document Open Filing FORM 8-K May 13, 2019 May 13, 2019 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q May 13, 2019 Mar 31, 2019 001-37937
10-K/A Open Document Open Filing FORM 10-K AMENDMENT NO. 1 Apr 30, 2019 Dec 31, 2018 001-37937
CORRESP Open Document Open Filing Apr 24, 2019
UPLOAD Open Document Open Filing Apr 12, 2019
425 Open Document Open Filing PROSPECTUS SUPPLEMENT Apr 1, 2019 001-37937
S-4 Open Document | Data Open Filing REGISTRATION STATEMENT Mar 29, 2019 333-230637
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 29, 2019 Dec 31, 2018 001-37937
CT ORDER Open Document Open Filing Mar 20, 2019 001-37937
SC 13G Open Document Open Filing XENETIC BIOSCIENCES, INC Mar 11, 2019 005-89709
8-K Open Document Open Filing FORM 8-K Mar 7, 2019 Mar 5, 2019 001-37937
424B5 Open Document Open Filing PROSPECTUS SUPPLEMENT Mar 7, 2019 333-227572
425 Open Document Open Filing FORM 8-K Mar 7, 2019 001-37937
D Open Document Open Filing Mar 7, 2019 021-334343
8-K Open Document Open Filing FORM 8-K Mar 5, 2019 Mar 5, 2019 001-37937
425 Open Document Open Filing FORM 8-K Mar 5, 2019 001-37937
8-K Open Document Open Filing FORM 8-K Mar 4, 2019 Mar 1, 2019 001-37937
425 Open Document Open Filing FORM 8-K Mar 4, 2019 001-37937
4 Open Document Open Filing Jan 31, 2019 Mar 14, 2018
4 Open Document Open Filing Nov 30, 2018 Nov 28, 2018
4 Open Document Open Filing Nov 30, 2018 Nov 28, 2018
4 Open Document Open Filing Nov 30, 2018 Nov 28, 2018
4 Open Document Open Filing Nov 30, 2018 Nov 28, 2018
8-K Open Document Open Filing FORM 8-K Nov 30, 2018 Nov 28, 2018 001-37937
DEF 14A Open Document Open Filing DEF 14A Nov 13, 2018 Nov 28, 2018 001-37937
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 9, 2018 Sep 30, 2018 001-37937
EFFECT Open Document Open Filing Oct 12, 2018 333-227572
CORRESP Open Document Open Filing Oct 9, 2018
UPLOAD Open Document Open Filing Oct 5, 2018
S-3 Open Document Open Filing FORM S-3 REGISTRATION STATEMENT Sep 27, 2018 333-227572
10-Q Open Document | Data Open Filing FORM 10-Q Aug 10, 2018 Jun 30, 2018 001-37937
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2018 Mar 31, 2018 001-37937
CT ORDER Open Document Open Filing May 3, 2018 001-37937
10-K/A Open Document Open Filing AMENDMENT NO. 1 Apr 30, 2018 Dec 31, 2017 001-37937
10-K Open Document | Data Open Filing FORM 10-K Mar 30, 2018 Dec 31, 2017 001-37937
S-8 Open Document Open Filing FORM S-8 Dec 22, 2017 333-222272
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2017 Nov 15, 2017
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2017 Nov 15, 2017
8-K Open Document Open Filing FORM 8-K Nov 17, 2017 Nov 15, 2017 001-37937
8-K Open Document Open Filing FORM 8-K Nov 15, 2017 Nov 15, 2017 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q Nov 14, 2017 Sep 30, 2017 001-37937
8-K Open Document Open Filing FORM 8-K Nov 3, 2017 Nov 3, 2017 001-37937
DEFR14A Open Document Open Filing REVISED DEFINITIVE PROXY STATEMENT Nov 3, 2017 001-37937
8-K Open Document Open Filing CURRENT REPORT Nov 2, 2017 Oct 27, 2017 001-37937
8-K Open Document Open Filing FORM 8-K Nov 1, 2017 Oct 26, 2017 001-37937
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 30, 2017 Oct 26, 2017
3 Open Document Open Filing PRIMARY DOCUMENT Oct 27, 2017 Jan 23, 2014
3 Open Document Open Filing PRIMARY DOCUMENT Oct 27, 2017 Jan 23, 2014
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 13, 2017 Oct 11, 2017
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 13, 2017 Oct 11, 2017
8-K Open Document Open Filing FORM 8-K Oct 2, 2017 Oct 2, 2017 001-37937
3 Open Document Open Filing OWNERSHIP DOCUMENT Sep 12, 2017 Aug 14, 2017
3 Open Document Open Filing OWNERSHIP DOCUMENT Aug 29, 2017 Aug 14, 2017
4 Open Document Open Filing OWNERSHIP DOCUMENT Aug 23, 2017 Aug 9, 2017
8-K Open Document Open Filing FORM 8-K Aug 23, 2017 Aug 16, 2017 001-37937
4 Open Document Open Filing OWNERSHIP DOCUMENT Aug 22, 2017 Aug 9, 2017
3 Open Document Open Filing OWNERSHIP DOCUMENT Aug 22, 2017 Aug 14, 2017
8-K Open Document Open Filing FORM 8-K Aug 15, 2017 Aug 15, 2017 001-37937
10-Q Open Document | Data Open Filing FORM 10-Q Aug 14, 2017 Jun 30, 2017 001-37937
8-K Open Document Open Filing FORM 8-K Aug 14, 2017 Aug 9, 2017 001-37937
8-K Open Document Open Filing 8-K Jul 18, 2017 Jul 18, 2017 001-37937
SC 13D Open Document Open Filing SC 13D Jul 13, 2017 005-89709
DEF 14A Open Document Open Filing DEFINITIVE PROXY Jun 22, 2017 Jul 18, 2017 001-37937
3/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 15, 2017 Nov 1, 2016
3/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 15, 2017 Nov 1, 2016
3/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 15, 2017 Nov 1, 2016
4/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 15, 2017 Dec 20, 2016
3/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 15, 2017 Nov 1, 2016
4/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 15, 2017 Dec 20, 2016
3/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 15, 2017 Nov 1, 2016
PRE 14A Open Document Open Filing PRELIMINARY PROXY Jun 9, 2017 Jul 18, 2017 001-37937
8-K Open Document Open Filing FORM 8-K May 22, 2017 May 22, 2017 001-37937
S-8 Open Document Open Filing FORM S-8 May 16, 2017 333-218024
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2017 Mar 31, 2017 001-37937
DEF 14C Open Document Open Filing DEF 14C May 2, 2017 Feb 10, 2017 001-37937
10-K/A Open Document Open Filing AMENDED ANNUAL REPORT May 1, 2017 Dec 31, 2016 001-37937
8-K Open Document Open Filing FORM 8-K Apr 27, 2017 Apr 24, 2017 001-37937
4 Open Document Open Filing FORM 4 SUBMISSION Apr 4, 2017 Apr 3, 2017
3 Open Document Open Filing FORM 3 SUBMISSION Apr 4, 2017 Apr 3, 2017
8-K Open Document Open Filing FORM 8-K Apr 4, 2017 Apr 4, 2017 001-37937
10-K Open Document | Data Open Filing FORM 10-K Mar 31, 2017 Dec 31, 2016 001-37937
PRE 14C Open Document Open Filing PRE 14C Mar 22, 2017 Feb 10, 2017 001-37937
8-K Open Document Open Filing 8-K Feb 27, 2017 Feb 27, 2017 001-37937
3 Open Document Open Filing OWNERSHIP DOCUMENT Jan 6, 2017 Jan 1, 2017
8-K Open Document Open Filing 8-K Jan 4, 2017 Jan 1, 2017 001-37937
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 23, 2016 Dec 20, 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 23, 2016 Dec 20, 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 23, 2016 Dec 20, 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 23, 2016 Dec 20, 2016
8-K Open Document Open Filing 8-K Dec 6, 2016 Dec 2, 2016 001-37937
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 6, 2016 Dec 2, 2016
3 Open Document Open Filing OWNERSHIP DOCUMENT Nov 30, 2016 Nov 21, 2016
SC 13D Open Document Open Filing SC 13D Nov 22, 2016 005-89709
3 Open Document Open Filing OWNERSHIP DOCUMENT Nov 22, 2016 Nov 1, 2016
8-K Open Document Open Filing 8-K Nov 22, 2016 Nov 21, 2016 001-37937
3 Open Document Open Filing OWNERSHIP DOCUMENT Nov 21, 2016 Nov 1, 2016
3 Open Document Open Filing OWNERSHIP DOCUMENT Nov 21, 2016 Nov 1, 2016
3 Open Document Open Filing OWNERSHIP DOCUMENT Nov 21, 2016 Nov 1, 2016
3 Open Document Open Filing OWNERSHIP DOCUMENT Nov 15, 2016 Nov 1, 2016
3 Open Document Open Filing OWNERSHIP DOCUMENT Nov 15, 2016 Nov 1, 2016
10-Q Open Document | Data Open Filing 10-Q Nov 14, 2016 Sep 30, 2016 001-37937
424B4 Open Document Open Filing PROSPECTUS SUPPLEMENT Nov 3, 2016 333-211249
EFFECT Open Document Open Filing Nov 1, 2016 333-211249
CERTNAS Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 1, 2016 001-37937
8-A12B/A Open Document Open Filing FORM 8-A12B Nov 1, 2016 001-37937
8-A12B Open Document Open Filing FORM 8-A12B Nov 1, 2016 001-37937
CORRESP Open Document Open Filing Oct 31, 2016
CORRESP Open Document Open Filing Oct 31, 2016
S-1/A Open Document | Data Open Filing FORM S-1 AMENDMENT Oct 31, 2016 333-211249
CORRESP Open Document Open Filing Oct 28, 2016
CORRESP Open Document Open Filing Oct 28, 2016
S-1/A Open Document Open Filing FORM S-1 AMENDMENT Oct 27, 2016 333-211249
S-1/A Open Document | Data Open Filing FORM S-1 AMENDMENT Oct 27, 2016 333-211249
CORRESP Open Document Open Filing Oct 26, 2016
CORRESP Open Document Open Filing Oct 26, 2016
CORRESP Open Document Open Filing Oct 26, 2016
CORRESP Open Document Open Filing Oct 24, 2016
CORRESP Open Document Open Filing Oct 24, 2016
S-1/A Open Document | Data Open Filing FORM S-1 AMENDMENT Oct 21, 2016 333-211249
CORRESP Open Document Open Filing Oct 11, 2016
S-1/A Open Document | Data Open Filing AMENDMENT TO S-1 REGISTRATION STATEMENT Oct 11, 2016 333-211249
UPLOAD Open Document Open Filing Oct 5, 2016
8-K Open Document Open Filing FORM 8-K Sep 23, 2016 Sep 19, 2016 333-178082
S-1/A Open Document | Data Open Filing AMENDMENT NO. 4 Sep 23, 2016 333-211249
10-Q Open Document | Data Open Filing FORM 10-Q Aug 15, 2016 Jun 30, 2016 333-178082
S-1/A Open Document Open Filing AMENDMENT TO FORM S-1 REGISTRATION STATEMENT Jul 14, 2016 333-211249
8-K Open Document Open Filing 8-K Jul 12, 2016 Jul 8, 2016 333-178082
S-1/A Open Document Open Filing FORM S-1, AMENDMENT 2 Jul 8, 2016 333-211249
8-K Open Document Open Filing FORM 8-K Jul 8, 2016 Jul 1, 2016 333-178082
S-1/A Open Document | Data Open Filing FORM S-1 AMENDMENT Jun 24, 2016 333-211249
CORRESP Open Document Open Filing Jun 23, 2016
8-K Open Document | Data Open Filing 8-K Jun 1, 2016 May 16, 2016 333-178082
UPLOAD Open Document Open Filing May 23, 2016
10-Q Open Document | Data Open Filing XENETIC BIOSCIENCES, INC. QUARTERLY REPORT May 16, 2016 Mar 31, 2016 333-178082
S-1 Open Document | Data Open Filing S-1 May 9, 2016 333-211249
10-K/A Open Document Open Filing FORM 10-K AMENDMENT May 6, 2016 Dec 31, 2015 333-178082
8-K Open Document Open Filing 8-K May 6, 2016 May 3, 2016 333-178082
8-K Open Document Open Filing CURRENT REPORT ON FORM 8-K May 3, 2016 Apr 27, 2016 333-178082
10-K/A Open Document Open Filing XENETIC BIOSCIENCES, INC. ANNUAL REPORT Apr 29, 2016 Dec 31, 2015 333-178082
10-K Open Document | Data Open Filing FORM 10-K Mar 30, 2016 Dec 31, 2015 333-178082
8-K Open Document Open Filing 8-K Feb 29, 2016 Feb 29, 2016 333-178082
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 16, 2015 Sep 30, 2015 333-178082
8-K Open Document Open Filing CURRENT REPORT ON FORM 8-K Nov 16, 2015 Nov 13, 2015 333-178082
8-K Open Document Open Filing MAINBODY Sep 30, 2015 Sep 24, 2015 333-178082
CT ORDER Open Document Open Filing Sep 15, 2015 333-178082
8-K Open Document Open Filing MAINBODY Sep 11, 2015 Sep 6, 2015 333-178082
8-K Open Document Open Filing CURRENT REPORT ON FORM 8-K Sep 2, 2015 Aug 28, 2015 333-178082
10-Q Open Document | Data Open Filing FORM 10-Q Aug 19, 2015 Jun 30, 2015 333-178082
NT 10-Q Open Document Open Filing EXTENSION Aug 17, 2015 Jun 30, 2015 333-178082
8-K Open Document Open Filing MAINBODY Jul 30, 2015 Jul 29, 2015 333-178082
10-K/A Open Document | Data Open Filing FORM 10-K AMENDMENT Jul 20, 2015 Dec 31, 2013 333-178082
8-K Open Document Open Filing FORM 8-K Jul 8, 2015 Jul 3, 2015 333-178082
8-K Open Document Open Filing FORM 8-K Jul 1, 2015 Jun 25, 2015 333-178082
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 20, 2015 Mar 31, 2015 333-178082
NT 10-Q Open Document Open Filing EXTENSION May 18, 2015 Mar 31, 2015 333-178082
10-K/A Open Document Open Filing 10-K/A Apr 30, 2015 Dec 31, 2014 333-178082
8-K Open Document Open Filing MAINBODY Apr 21, 2015 Apr 16, 2015 333-178082
10-K Open Document | Data Open Filing ANNUAL REPORT Apr 15, 2015 Dec 31, 2014 333-178082
NT 10-K Open Document Open Filing NOTICE OF LATE FILING Apr 1, 2015 Dec 31, 2014 333-178082
10-K/A Open Document Open Filing FORM 10-K AMENDMENT Feb 18, 2015 Dec 31, 2013 333-178082
8-K Open Document Open Filing FORM 8-K Jan 7, 2015 Dec 31, 2014 333-178082
10-Q Open Document | Data Open Filing FORM 10-Q Nov 14, 2014 Sep 30, 2014 333-178082
10-Q Open Document | Data Open Filing 10-Q Aug 14, 2014 Jun 30, 2014 333-178082
10-Q Open Document | Data Open Filing FORM 10-Q May 20, 2014 Mar 31, 2014 333-178082
NT 10-Q Open Document Open Filing MAINBODY May 15, 2014 Mar 31, 2014 333-178082
8-K Open Document Open Filing MAINBODY May 6, 2014 Apr 30, 2014 333-178082
10-K/A Open Document | Data Open Filing 10-K/A Apr 30, 2014 Dec 31, 2013 333-178082
10-K Open Document Open Filing FORM 10-K Apr 15, 2014 Dec 31, 2013 333-178082
8-K/A Open Document Open Filing 8-K/A Apr 10, 2014 Jan 23, 2014 333-178082
8-K Open Document Open Filing MAINBODY Apr 10, 2014 Apr 9, 2014 333-178082
8-K Open Document Open Filing MAINBODY Apr 3, 2014 Apr 1, 2014 333-178082
NT 10-K Open Document Open Filing MAINBODY Mar 31, 2014 Dec 31, 2013 333-178082
8-K Open Document Open Filing MAINBODY Feb 10, 2014 Feb 7, 2014 333-178082
8-K/A Open Document Open Filing MAINBODY Feb 5, 2014 Jan 29, 2014 333-178082
8-K Open Document Open Filing FORM 8-K Jan 30, 2014 Jan 29, 2014 333-178082
8-K Open Document Open Filing MAINBODY Jan 29, 2014 Jan 23, 2014 333-178082
8-K Open Document Open Filing MAINBODY Jan 21, 2014 Jan 16, 2014 333-178082
8-K Open Document Open Filing MAINBODY Jan 14, 2014 Jan 14, 2014 333-178082
10-Q Open Document | Data Open Filing MAINBODY Jan 10, 2014 Nov 30, 2013 333-178082