Ribbon Communications Inc. reports

Company location: Plano, TX
Fiscal year end: 31 December

Ribbon Communications Inc. has filed 721 SEC EDGAR filings since 28 Jun 2017

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SEC filing history

Showing 526-550 of 721 matching filings.

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25

Current page

22

8-K File 001-38267

FORM 8-K

Filing date: 28 Jan 2020
Reporting date: 27 Jan 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFM14A File 001-38267

DEFM14A

Filing date: 10 Jan 2020
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-38267

FORM 8-K

Filing date: 02 Jan 2020
Reporting date: 27 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

PREM14A File 001-38267

PREM14A

Filing date: 24 Dec 2019
Reporting date: 20 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Dec 2019
Reporting date: 16 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Dec 2019
Reporting date: 16 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Dec 2019
Reporting date: 16 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Dec 2019
Reporting date: 16 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Dec 2019
Reporting date: 16 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Dec 2019
Reporting date: 16 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 25 Nov 2019
Reporting date: 01 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-38267

FORM 8-K

Filing date: 20 Nov 2019
Reporting date: 20 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-38267

FORM 8-K

Filing date: 20 Nov 2019
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 15 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-90164

SC 13D/A

Filing date: 18 Nov 2019
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-38267

8-K

Filing date: 14 Nov 2019
Reporting date: 14 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-38267

8-K

Filing date: 14 Nov 2019
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-38267

8-K

Filing date: 14 Nov 2019
Reporting date: 13 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-38267

10-Q

Filing date: 31 Oct 2019
Reporting date: 30 Sep 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-38267

8-K

Filing date: 30 Oct 2019
Reporting date: 30 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

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