A business in context

RBBN research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-07 · 8010 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001708055-26-000070

  2. 8-K · Current report

    Report date 2026-07-28 · 0001104659-26-087534 · Items 2.02,9.01

  3. 4 · Ownership change

    Report date 2026-07-15 · 0001708055-26-000062

  4. 4 · Ownership change

    Report date 2026-07-15 · 0001708055-26-000061

  5. 4 · Ownership change

    Report date 2026-06-15 · 0001708055-26-000058

  6. 4 · Ownership change

    Report date 2026-06-15 · 0001708055-26-000057

  7. 4 · Ownership change

    Report date 2026-06-15 · 0001708055-26-000056

  8. 4 · Ownership change

    Report date 2026-06-15 · 0001708055-26-000055

  9. 4 · Ownership change

    Report date 2026-06-15 · 0001708055-26-000054

  10. 4 · Ownership change

    Report date 2026-06-15 · 0001708055-26-000053

  11. 8-K · Current report

    Report date 2026-06-17 · 0001104659-26-074930 · Items 7.01,9.01

  12. 8-K · Current report

    Report date 2026-06-03 · 0001104659-26-070981 · Items 5.07

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001708055-26-000028

  14. 8-K · Current report

    Report date 2026-04-28 · 0001104659-26-050356 · Items 2.02,5.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-06-03 · 0001104659-26-044643

  16. 8-K · Current report

    Report date 2026-04-15 · 0001104659-26-043511 · Items 5.02,9.01

  17. 10-K · Annual report

    Report date 2025-12-31 · 0001708055-26-000012

  18. 8-K · Current report

    Report date 2026-02-05 · 0001104659-26-010898 · Items 2.02,9.01

  19. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001708055-25-000035

  20. 8-K · Current report

    Report date 2025-10-22 · 0001104659-25-101530 · Items 2.02,9.01

  21. 8-K · Current report

    Report date 2025-08-29 · 0001104659-25-085750 · Items 5.02

  22. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001708055-25-000007

  23. 8-K · Current report

    Report date 2025-07-23 · 0001104659-25-070009 · Items 2.02,9.01

  24. 8-K · Current report

    Report date 2025-05-28 · 0001104659-25-054927 · Items 5.02,5.03,5.07,9.01

  25. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001708055-25-000003

  26. 8-K · Current report

    Report date 2025-04-29 · 0001104659-25-041242 · Items 2.02,9.01

  27. DEF 14A · Proxy statement

    Report date 2025-05-28 · 0001104659-25-034540

  28. 10-K · Annual report

    Report date 2024-12-31 · 0001558370-25-001773

  29. 8-K · Current report

    Report date 2025-02-12 · 0001104659-25-012169 · Items 2.02,9.01

  30. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001708055-24-000014

  31. 8-K · Current report

    Report date 2024-10-23 · 0001104659-24-110863 · Items 2.02,9.01

  32. 8-K · Current report

    Report date 2024-10-03 · 0001104659-24-106285 · Items 5.02,9.01

  33. 8-K · Current report

    Report date 2024-08-13 · 0001104659-24-088719 · Items 5.02,9.01

  34. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001708055-24-000010

  35. 8-K · Current report

    Report date 2024-07-24 · 0001104659-24-082334 · Items 2.02,9.01

  36. 8-K · Current report

    Report date 2024-06-21 · 0001104659-24-074398 · Items 1.01,1.02,2.03,8.01,9.01

  37. 8-K · Current report

    Report date 2024-06-04 · 0001104659-24-069090 · Items 5.07

  38. 10-Q · Quarterly report

    Report date 2024-03-31 · 0001708055-24-000007

  39. 8-K · Current report

    Report date 2024-04-24 · 0001104659-24-050937 · Items 2.02,9.01

  40. DEF 14A · Proxy statement

    Report date 2024-06-04 · 0001104659-24-046780

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 21 transaction rows21AExercise / conversion: 64 transaction rows64MTax / exercise payment: 26 transaction rows26FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

111 matching transaction rows. Showing 1–50.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-16
2026-06-17
Tamone TanyaM · Exercise / conversion
Acquired
Common Stock42500.0
2026-06-16
2026-06-17
Tamone TanyaM · Exercise / conversion
Disposed
RSUs
Derivative security
42500.00.0
2026-06-16
2026-06-17
Mair ScottM · Exercise / conversion
Acquired
Common Stock67500.0
2026-06-16
2026-06-17
Mair ScottM · Exercise / conversion
Disposed
RSUs
Derivative security
67500.00.0
2026-06-16
2026-06-17
SHANI SHAULM · Exercise / conversion
Acquired
Common Stock42500.0
2026-06-16
2026-06-17
SHANI SHAULM · Exercise / conversion
Disposed
RSUs
Derivative security
42500.00.0
2026-06-16
2026-06-17
INFANTE BEATRIZ VM · Exercise / conversion
Acquired
Common Stock42500.0
2026-06-16
2026-06-17
INFANTE BEATRIZ VM · Exercise / conversion
Disposed
RSUs
Derivative security
42500.00.0
2026-06-16
2026-06-17
GRAYSON BRUNS HM · Exercise / conversion
Acquired
Common Stock42500.0
2026-06-16
2026-06-17
GRAYSON BRUNS HM · Exercise / conversion
Disposed
RSUs
Derivative security
42500.00.0
2026-06-16
2026-06-17
EWING R STEWART JRM · Exercise / conversion
Acquired
Common Stock42500.0
2026-06-16
2026-06-17
EWING R STEWART JRM · Exercise / conversion
Disposed
RSUs
Derivative security
42500.00.0
2026-06-15
2026-06-17
Bucci SamA · Grant / award
Acquired
PSUs
Derivative security
100000.00.0
2026-06-15
2026-06-17
Bucci SamA · Grant / award
Acquired
Performance-Based RSUs (PSUs)
Derivative security
150000.00.0
2026-06-15
2026-06-17
Bucci SamA · Grant / award
Acquired
Restructed Stock Unites (RSUs)
Derivative security
250000.00.0
2026-06-15
2026-06-17
McCaffery Stephen J.A · Grant / award
Acquired
Performance-Based RSUs (PSUs)
Derivative security
120000.00.0
2026-06-15
2026-06-17
McCaffery Stephen J.A · Grant / award
Acquired
Restructed Stock Unites (RSUs)
Derivative security
200000.00.0
2026-06-15
2026-06-17
McCaffery Stephen J.A · Grant / award
Acquired
PSUs
Derivative security
80000.00.0
2026-06-15
2026-06-17
Marmurek Eric SA · Grant / award
Acquired
PSUs
Derivative security
60000.00.0
2026-06-15
2026-06-17
Marmurek Eric SA · Grant / award
Acquired
Restructed Stock Unites (RSUs)
Derivative security
150000.00.0
2026-06-15
2026-06-17
Marmurek Eric SA · Grant / award
Acquired
Performance-Based RSUs (PSUs)
Derivative security
90000.00.0
2026-06-15
2026-06-17
Macken Patrick WA · Grant / award
Acquired
Restructed Stock Unites (RSUs)
Derivative security
162500.00.0
2026-06-15
2026-06-17
Macken Patrick WA · Grant / award
Acquired
PSUs
Derivative security
65000.00.0
2026-06-15
2026-06-17
Macken Patrick WA · Grant / award
Acquired
Performance-Based RSUs (PSUs)
Derivative security
97500.00.0
2026-06-15
2026-06-17
Tamone TanyaA · Grant / award
Acquired
Restricted Stock Units (RSUs)
Derivative security
63197.00.0
2026-06-15
2026-06-17
SILVER LOUISA · Grant / award
Acquired
Restricted Stock Units (RSUs)
Derivative security
63197.00.0
2026-06-15
2026-06-17
Mair ScottA · Grant / award
Acquired
Restricted Stock Units (RSUs)
Derivative security
63197.00.0
2026-06-15
2026-06-17
SHANI SHAULA · Grant / award
Acquired
Restricted Stock Units (RSUs)
Derivative security
63197.00.0
2026-06-15
2026-06-17
INFANTE BEATRIZ VA · Grant / award
Acquired
Restricted Stock Units (RSUs)
Derivative security
63197.00.0
2026-06-15
2026-06-17
GRAYSON BRUNS HA · Grant / award
Acquired
Restricted Stock Units (RSUs)
Derivative security
63197.00.0
2026-06-15
2026-06-17
EWING R STEWART JRA · Grant / award
Acquired
Restricted Stock Units (RSUs)
Derivative security
63197.00.0
2026-05-15
2026-05-19
Macken Patrick WM · Exercise / conversion
Acquired
Common Stock54168.0
2026-05-15
2026-05-19
Macken Patrick WF · Tax / exercise payment
Disposed
Common Stock24267.02.63
2026-05-15
2026-05-19
Macken Patrick WF · Tax / exercise payment
Disposed
Common Stock20284.02.63
2026-05-15
2026-05-19
Macken Patrick WM · Exercise / conversion
Acquired
Common Stock44831.0
2026-05-15
2026-05-19
Macken Patrick WF · Tax / exercise payment
Disposed
Common Stock14688.02.63
2026-05-15
2026-05-19
Macken Patrick WM · Exercise / conversion
Acquired
Common Stock32790.0
2026-05-15
2026-05-19
Macken Patrick WM · Exercise / conversion
Disposed
RSUs
Derivative security
44831.00.0
2026-05-15
2026-05-19
Macken Patrick WM · Exercise / conversion
Disposed
RSUs
Derivative security
54168.00.0
2026-05-15
2026-05-19
Macken Patrick WM · Exercise / conversion
Disposed
PSUs
Derivative security
32790.00.0
2026-05-15
2026-05-19
Bucci SamF · Tax / exercise payment
Disposed
Common Stock28233.02.63
2026-05-15
2026-05-19
Bucci SamF · Tax / exercise payment
Disposed
Common Stock20650.02.63
2026-05-15
2026-05-19
Bucci SamM · Exercise / conversion
Acquired
Common Stock38578.0
2026-05-15
2026-05-19
Bucci SamM · Exercise / conversion
Acquired
Common Stock52743.0
2026-05-15
2026-05-19
Bucci SamM · Exercise / conversion
Acquired
Common Stock83335.0
2026-05-15
2026-05-19
Bucci SamF · Tax / exercise payment
Disposed
Common Stock44609.02.63
2026-05-15
2026-05-19
Bucci SamM · Exercise / conversion
Disposed
PSUs
Derivative security
38578.00.0
2026-05-15
2026-05-19
Bucci SamM · Exercise / conversion
Disposed
RSUs
Derivative security
52743.00.0
2026-05-15
2026-05-19
Bucci SamM · Exercise / conversion
Disposed
RSUs
Derivative security
83335.00.0
2026-05-15
2026-05-19
Marmurek Eric SF · Tax / exercise payment
Disposed
Common Stock10247.02.63

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

gleif · direct parent (accounting consolidation)JPMORGAN CHASE & CO.
gleif · ultimate parent (accounting consolidation)JPMORGAN CHASE & CO.
SEC issuer · 0001708055Ribbon Communications Inc.
Legal Entity Identifier
549300L1E8Z8RL7CUL52
GLEIF legal name
RIBBON COMMUNICATIONS INC.
Entity / LEI registration status
ACTIVE / LAPSED
Reference data updated
2023-08-04T16:51:18Z

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Ribbon Communications · alias · wikidata
  • Ribbon Communications US LLC · alias · wikidata
  • Sonus Networks, Inc. · former SEC name · 2017-07-28 to 2017-11-28
  • Solstice Sapphire Investments, Inc. · former SEC name · 2017-06-28 to 2017-10-27
Explore headquarters map ↗

Revenue in constant purchasing power

USD revenue expressed in 2026-07 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$833.88M$887.63M
2023-12-31$826.34M$905.52M
2022-12-31$819.76M$935.19M
2021-12-31$844.96M$1.04B
2020-12-31$843.79M$1.09B
2019-12-31$563.11M$735.44M
2018-12-31$577.90M$768.46M

Bureau of Labor Statistics · retrieved 2026-09-07 · 9 selected series; gaps remain missing

Explore the CPI history ↗