Financial reports
10-K
2023 FY
Annual report
28 Feb 24
10-Q
2023 Q3
Quarterly report
26 Oct 23
10-Q
2023 Q2
Quarterly report
27 Jul 23
10-Q
2023 Q1
Quarterly report
28 Apr 23
10-K/A
2022 FY
Annual report (amended)
28 Apr 23
10-K
2022 FY
Annual report
31 Mar 23
NT 10-K
Notice of late annual filing
16 Mar 23
10-Q
2022 Q3
Quarterly report
28 Oct 22
10-Q
2022 Q2
Quarterly report
28 Jul 22
10-Q
2022 Q1
Quarterly report
10 May 22
Current reports
8-K
Ribbon Communications Inc. Reports First Quarter 2024 Financial Results
24 Apr 24
8-K
Shareholder Nominations Pursuant to Exchange Act Rule 14a-11
13 Mar 24
8-K
Ribbon Communications Inc. Reports Fourth Quarter and Full Year 2023 Financial Results
14 Feb 24
8-K
Ribbon Communications Inc. Reports Third Quarter 2023 Financial Results
25 Oct 23
8-K
Amendments to Articles of Incorporation or Bylaws
4 Aug 23
8-K
Ribbon Communications Inc. Reports Second Quarter 2023 Financial Results
26 Jul 23
8-K
Departure of Directors or Certain Officers
26 May 23
8-K
Ribbon Communications Inc. Reports First Quarter 2023 Financial Results
26 Apr 23
8-K
Ribbon Completes $55 Million Preferred Stock
30 Mar 23
8-K
Ribbon Announces $55 Million Preferred Stock Private Placement Financing and Amendment to Credit Facility
27 Mar 23
Registration and prospectus
S-3/A
Shelf registration (amended)
17 May 23
S-3
Shelf registration
4 Apr 23
S-3
Shelf registration
14 Sep 22
D
$52.07M in equity, sold $52.07M, 13 investors
25 Aug 22
S-8
Registration of securities for employees
29 Jul 22
S-8
Registration of securities for employees
2 Jun 20
S-8
Registration of securities for employees
16 Mar 20
S-8
Registration of securities for employees
1 Aug 19
S-8
Registration of securities for employees
6 Aug 18
S-8
Registration of securities for employees
31 Oct 17
Proxies
DEF 14A
Definitive proxy
12 Apr 24
DEF 14A
Definitive proxy
20 Jun 23
PRE 14A
Preliminary proxy
6 Jun 23
DEFA14A
Additional proxy soliciting materials
8 Apr 22
DEF 14A
Definitive proxy
8 Apr 22
DEFA14A
Additional proxy soliciting materials
9 Apr 21
DEF 14A
Definitive proxy
9 Apr 21
DEF 14A
Definitive proxy
29 Apr 20
DEFM14A
Proxy related to merger
9 Jan 20
PREM14A
Preliminary proxy related to merger
24 Dec 19
Other
SD
Conflict minerals disclosure
31 May 23
EFFECT
Notice of effectiveness
22 May 23
CORRESP
Correspondence with SEC
18 May 23
CORRESP
Correspondence with SEC
9 May 23
CORRESP
Correspondence with SEC
8 May 23
UPLOAD
Letter from SEC
5 Apr 23
EFFECT
Notice of effectiveness
26 Sep 22
CORRESP
Correspondence with SEC
21 Sep 22
UPLOAD
Letter from SEC
21 Sep 22
SD
Conflict minerals disclosure
31 May 22