DZS INC. SEC EDGAR Filings (CIK 0001101680)

SEC EDGAR filings, ownership reports, and insider transactions for DZS INC..

Industry
Telephone & Telegraph Apparatus (Office Of Manufacturing)
Business address
5700 Tennyson Parkway, Suite 400, Plano, TX, 75024
State of incorporation
DE
Fiscal year end
31 December
Former names
DASAN ZHONE SOLUTIONS INC (to 07 Oct 2020), ZHONE TECHNOLOGIES INC (to 07 Sep 2016), TELLIUM INC (to 13 Nov 2003)
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DZS INC. has filed 1,293 SEC EDGAR filings since 22 Sep 2000

Latest Filings

Recent SEC filings for DZS INC. including 4, SCHEDULE 13D/A, 8-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 17 Dec 2025 04 Dec 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 17 Dec 2025 005-61973
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Mar 2025 14 Mar 2025 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Mar 2025 04 Mar 2025 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Jan 2025 29 Jan 2025 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2025 31 Dec 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Dec 2024 25 Dec 2024 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 11 Dec 2024 10 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 09 Dec 2024 06 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Dec 2024 04 Dec 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Nov 2024 30 Sep 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2024 07 Nov 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2024 06 Nov 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Oct 2024 25 Oct 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Oct 2024 16 Oct 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Oct 2024 15 Oct 2024 000-32743
25-NSE Open 25-NSE document View SEC filing for 25-NSE 15 Oct 2024 000-32743
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 08 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 30 Sep 2024
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 26 Sep 2024 31 May 2024 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 23 Sep 2024 20 Sep 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Sep 2024 09 Sep 2024 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2024 06 Sep 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Sep 2024 10 Sep 2024 000-32743
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 05 Sep 2024 31 May 2024 000-32743
S-8 Open S-8 document View SEC filing for S-8 S-8 05 Sep 2024 333-281940
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Sep 2024 03 Sep 2024 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Sep 2024 30 Jun 2024 000-32743
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 23 Aug 2024 01 Apr 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Aug 2024 20 Aug 2024 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 20 Aug 2024 31 Mar 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2024 13 Aug 2024 000-32743
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 13 Aug 2024 31 Dec 2023 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 Aug 2024 30 Sep 2023 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q/A 13 Aug 2024 30 Jun 2023 000-32743
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 13 Aug 2024 31 Mar 2023 000-32743
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 13 Aug 2024 31 Dec 2022 000-32743
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 13 Aug 2024 30 Sep 2022 000-32743
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 13 Aug 2024 30 Jun 2022 000-32743
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 13 Aug 2024 31 Mar 2022 000-32743
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 12 Aug 2024 30 Jun 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2024 06 Aug 2024 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2024 02 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 11 Jun 2024 10 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jun 2024 31 May 2024 000-32743
SD Open SD document View SEC filing for SD SD 31 May 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 May 2024 14 May 2024 000-32743
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 10 May 2024 31 Mar 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2024 07 May 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 May 2024 03 May 2024 000-32743
3 Open 3 document View SEC filing for 3 FORM 3 01 May 2024 22 Apr 2024
3 Open 3 document View SEC filing for 3 FORM 3 01 May 2024 22 Apr 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Apr 2024 22 Apr 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Apr 2024 22 Apr 2024 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 19 Apr 2024 10 Feb 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Apr 2024 01 Apr 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Mar 2024 20 Mar 2024 000-32743
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NT 10-K 18 Mar 2024 31 Dec 2023 000-32743
3 Open 3 document View SEC filing for 3 FORM 3 26 Feb 2024 16 Feb 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Feb 2024 16 Feb 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Feb 2024 06 Feb 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jan 2024 08 Jan 2024 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Jan 2024 17 Jan 2024 000-32743
3 Open 3 document View SEC filing for 3 FORM 3 16 Jan 2024 03 Jan 2024
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 16 Jan 2024 005-61973
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Jan 2024 29 Dec 2023 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2024 31 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2024 31 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2024 31 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2024 31 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2024 31 Dec 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Nov 2023 10 Nov 2023 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Nov 2023 07 Nov 2023 000-32743
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 09 Nov 2023 30 Sep 2023 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 01 Oct 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 01 Oct 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 30 Sep 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 30 Sep 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 30 Sep 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 30 Sep 2023
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 30 Sep 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Sep 2023 22 Sep 2023 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Sep 2023 12 Sep 2023 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Aug 2023 15 Aug 2023 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Aug 2023 09 Aug 2023 000-32743
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 09 Aug 2023 30 Jun 2023 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 03 Aug 2023 02 Aug 2023
3 Open 3 document View SEC filing for 3 FORM 3 25 Jul 2023 21 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 01 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 01 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 01 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 01 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 01 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 01 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2023 10 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2023 10 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2023 10 Jun 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Jun 2023 30 May 2023 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 01 Jun 2023 30 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 01 Jun 2023 30 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 01 Jun 2023 30 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 01 Jun 2023 30 May 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Jun 2023 31 May 2023 000-32743
SD Open SD document View SEC filing for SD SD 30 May 2023 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 May 2023 31 Mar 2023 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 May 2023 08 May 2023 000-32743
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Apr 2023 000-32743
ARS Open ARS document View SEC filing for ARS ARS 17 Apr 2023 31 Dec 2022 000-32743
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 17 Apr 2023 000-32743
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 17 Apr 2023 000-32743
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 06 Apr 2023 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 04 Apr 2023 31 Mar 2023
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 10 Mar 2023 31 Dec 2022 000-32743
3 Open 3 document View SEC filing for 3 FORM 3 02 Mar 2023 20 Feb 2023
3 Open 3 document View SEC filing for 3 FORM 3 02 Mar 2023 20 Feb 2023
3 Open 3 document View SEC filing for 3 FORM 3 02 Mar 2023 20 Feb 2023
3 Open 3 document View SEC filing for 3 FORM 3 02 Mar 2023 20 Feb 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Feb 2023 22 Feb 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Feb 2023 22 Feb 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Feb 2023 15 Feb 2023 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Feb 2023 16 Feb 2023 000-32743
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 15 Feb 2023 005-61973
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2023 31 Dec 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 21 Nov 2022 005-61973
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Nov 2022 21 Nov 2022
424B5 Open 424B5 document View SEC filing for 424B5 424B5 18 Nov 2022 333-262634
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Nov 2022 16 Nov 2022 000-32743
424B5 Open 424B5 document View SEC filing for 424B5 424B5 16 Nov 2022 333-262634
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 Nov 2022 30 Sep 2022 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Nov 2022 01 Nov 2022 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2022 01 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Aug 2022 02 Aug 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Aug 2022 30 Jun 2022 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Aug 2022 01 Aug 2022 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 01 Jul 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2022 10 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2022 10 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Jun 2022 07 Jun 2022 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jun 2022 02 Jun 2022 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2022 30 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2022 30 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2022 30 May 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Jun 2022 27 May 2022 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 May 2022 31 May 2022 000-32743
SD Open SD document View SEC filing for SD SD 27 May 2022 000-32743
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 13 May 2022 12 May 2022 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 May 2022 12 May 2022 000-32743
EFFECT Open EFFECT document View SEC filing for EFFECT 11 May 2022 333-262634
CORRESP Open CORRESP document View SEC filing for CORRESP 09 May 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2022 31 Mar 2022 000-32743
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 03 May 2022 333-262634
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2022 02 May 2022 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2022 02 May 2022 000-32743
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 19 Apr 2022 000-32743
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 19 Apr 2022 02 Jun 2022 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 31 Mar 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Mar 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 18 Mar 2022
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 18 Mar 2022 333-262634
S-8 Open S-8 document View SEC filing for S-8 S-8 09 Mar 2022 333-263395
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 09 Mar 2022 31 Dec 2021 000-32743
CORRESP Open CORRESP document View SEC filing for CORRESP 17 Feb 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Feb 2022
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 15 Feb 2022
SC 13G Open SC 13G document View SEC filing for SC 13G 11 Feb 2022 005-61973
S-3 Open S-3 document View SEC filing for S-3 S-3 10 Feb 2022 333-262634
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Feb 2022 09 Feb 2022 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Feb 2022 10 Feb 2022 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jan 2022 10 Jan 2022 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2022 31 Dec 2021
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 17 Nov 2021 16 Nov 2021 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Nov 2021 16 Nov 2021 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2021 30 Sep 2021 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Nov 2021 01 Nov 2021 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Oct 2021 01 Oct 2021
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 05 Oct 2021 01 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 30 Sep 2021
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 10 Aug 2021 30 Jun 2021 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Aug 2021 30 Jun 2021 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Aug 2021 02 Aug 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 04 Aug 2021 02 Aug 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Aug 2021 03 Aug 2021 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Aug 2021 29 Jul 2021 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Aug 2021 02 Aug 2021 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jul 2021 01 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jul 2021 01 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jul 2021 01 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jul 2021 31 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jul 2021 31 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jul 2021 31 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jul 2021 31 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jul 2021 31 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jul 2021 31 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2021 10 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2021 10 Jun 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jun 2021 07 Jun 2021 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Jun 2021 01 Jun 2021 000-32743
SD Open SD document View SEC filing for SD SD 28 May 2021 000-32743
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 May 2021 27 May 2021 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2021 31 Mar 2021 000-32743
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8-K Open 8-K document View SEC filing for 8-K DZSI - 8K - PNC CREDIT FACILITY 2.26.19 28 Feb 2019 28 Feb 2019 000-32743
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8-K Open 8-K document View SEC filing for 8-K 8-K 2016 ANNUAL SHAREHOLDER MEETING 30 Oct 2017 30 Oct 2017 000-32743
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8-K Open 8-K document View SEC filing for 8-K 8-K REVERSE SPLIT 01 Mar 2017 27 Feb 2017 000-32743
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8-K Open 8-K document View SEC filing for 8-K FORM 8-K ITEM 8.01 OTHER EVENTS 29 Aug 2016 26 Aug 2016 000-32743
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DEFM14A Open DEFM14A document View SEC filing for DEFM14A DEFM14A 08 Aug 2016 000-32743
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8-K Open 8-K document View SEC filing for 8-K FORM 8-K 21 Jul 2016 21 Jul 2016 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2016 27 May 2016
SD Open SD document View SEC filing for SD CONFLICT MINERALS 31 May 2016 000-32743
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SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 21 Apr 2016 005-61973
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NT 10-K Open NT 10-K document View SEC filing for NT 10-K NT 10-K ZHONE TECHNOLOGIES INC FORM 12B-25 16 Mar 2016 31 Dec 2015 000-32743
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Feb 2016 23 Feb 2016 000-32743
8-K Open 8-K document View SEC filing for 8-K 8-K BOARD CHANGE 03 Feb 2016 03 Feb 2016 000-32743
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q THIRD QUARTER 9.30.15 05 Nov 2015 30 Sep 2015 000-32743
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8-K Open 8-K document View SEC filing for 8-K 8-K 22 Jul 2015 22 Jul 2015 000-32743
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SD Open SD document View SEC filing for SD SD 01 Jun 2015 000-32743
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q FIRST QUARTER 3.31.2015 08 May 2015 31 Mar 2015 000-32743
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 May 2015 05 May 2015
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 May 2015 05 May 2015
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DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 28 Mar 2014 13 May 2014 000-32743
S-8 Open S-8 document View SEC filing for S-8 S-8 05 Mar 2014 333-194334
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 10 May 2012 31 Mar 2012 000-32743
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 19 Apr 2012 19 Apr 2012 000-32743
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 10 Apr 2012 22 May 2012 000-32743
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 15 Mar 2012 333-180148
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8-K Open 8-K document View SEC filing for 8-K FORM 8-K 29 Nov 2011 28 Nov 2011 000-32743
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8-K Open 8-K document View SEC filing for 8-K FORM 8-K 12 May 2011 10 May 2011 000-32743
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S-8 Open S-8 document View SEC filing for S-8 FORM S-8 16 Mar 2010 333-165510
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About this filer

DZS INC. files with the SEC under CIK 0001101680. This page aggregates EDGAR filings and related ownership activity.

Industry: Telephone & Telegraph Apparatus.

See insider transactions for this issuer.

FAQ

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