Ribbon Communications Inc.

Quarterly Report for period ending 2023-09-30

Quarterly Report for period ending 2023-06-30

Quarterly Report for period ending 2023-03-31

Annual Report for period ending 2022-12-31

Annual Report for period ending 2022-12-31

Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 2022-12-31

Quarterly Report for period ending 2022-09-30

Quarterly Report for period ending 2022-06-30

Quarterly Report for period ending 2022-03-31

Annual Report for period ending 2021-12-31

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)

Notice of Effectiveness

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Notice of Effectiveness

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Exempt (Private) Offering

Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Neuberger Berman Group LLC: Major Shareholders

Neuberger Berman Group LLC: Major Shareholders

PARADIGM CAPITAL MANAGEMENT INC/NY: Major Shareholders

Macken Patrick W: Statement of changes in beneficial ownership of securities

LOPEZ MIGUEL A: Statement of changes in beneficial ownership of securities

Bucci Sam: Statement of changes in beneficial ownership of securities

Marmurek Eric S: Statement of changes in beneficial ownership of securities

GRAYSON BRUNS H: Statement of changes in beneficial ownership of securities

Redington Dan: Statement of changes in beneficial ownership of securities

LOPEZ MIGUEL A: Statement of changes in beneficial ownership of securities

Registration statement for specified transactions by certain issuers

Registration statement for specified transactions by certain issuers

Registration statement for specified transactions by certain issuers

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Prospectus filed pursuant to Rule 424(b)(3)

Definitive proxy statements

Preliminary proxy statement not related to a contested matter or merger/acquisition

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statements

Definitive proxy statements

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statements

Definitive proxy statement relating to a merger, acquisition, or disposition

Preliminary proxy statement relating to a merger, acquisition, or disposition

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.