Ribbon Communications Q1 revenue $163M (-10% YoY), GAAP loss $34M; CFO Townsend resigns, Marmurek promoted

Ribbon Communications Inc.

2026-Q1 EPS reported -$0.20 revenue$162,606,000

Revenue $163M (-10% YoY); GAAP net loss $34M ($0.20 EPS loss) vs $26M loss YoY.
Non-GAAP adjusted EBITDA loss $8M vs positive $6M prior year; GAAP gross margin 42.9% vs 45.4%.
CFO John Townsend resigns effective April 30 for other opportunity; Rick Marmurek promoted to CFO, CAO effective May 1.
Management expects Q2 growth and strong H2; cites new Data Center Interconnect wins, AIOps traction, AWS collaboration.

item 2.02 item 5.02 item 9.01

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Departed

John Townsend

Executive Vice President, Chief Financial Officer

RBBN · Ribbon Communications Inc.

Effective: 2026-04-30
Successor: Eric “Rick” Marmurek
Filed: April 28, 2026, 7:59 PM ET

announced that John Townsend, Executive Vice President, Chief Financial Officer of the Company, has notified the Company that he is resigning effective April 30, 2026 to pursue another professional opportunity.

Appointed

Eric “Rick” Marmurek

Executive Vice President, Chief Financial Officer and Chief Accounting Officer

RBBN · Ribbon Communications Inc.

Effective: 2026-05-01
Filed: April 28, 2026, 7:59 PM ET

the Company announced that it is promoting Eric “Rick” Marmurek to the position of Executive Vice President, Chief Financial Officer and Chief Accounting Officer of the Company effective May 1, 2026.

Key facts

Extracted from this filing and checked against the source text.

Earnings Releases SEC 8-K Item 2.02 confidence 0.98

Ribbon Communications Inc. reported the first quarter of 2026 results: revenue $163 million, net income ($34) million, EPS $(0.20) per diluted share.

Period: the first quarter of 2026
Revenue: $163 million
Net income: ($34) million
EPS: $(0.20) per diluted share
Result: reported results

Exact text from the filing

enterprises, and critical infrastructure operators in modernizing and safeguarding their networks and services. First Quarter 2026 Highlights Financial Results 1 : · Revenue was $163 million, compared to $181 million for the first quarter of 2025 · GAAP Operating Loss was ($32) million, compared to ($20) million for the first quarter of 2025 · Non-GAAP Adjusted

View on SEC.gov

Executive change SEC 8-K Item 5.02 confidence 1.0

John Townsend departed as Executive Vice President, Chief Financial Officer at Ribbon Communications Inc..

Action: resigning
Role: Executive Vice President, Chief Financial Officer

Exact text from the filing

announced that John Townsend, Executive Vice President, Chief Financial Officer of the Company, has notified the Company that he is resigning effective April 30, 2026 to pursue another professional opportunity.

View on SEC.gov

Executive change SEC 8-K Item 5.02 confidence 1.0

Eric “Rick” Marmurek was appointed as Executive Vice President, Chief Financial Officer and Chief Accounting Officer at Ribbon Communications Inc..

Action: promoted
Role: Executive Vice President, Chief Financial Officer and Chief Accounting Officer

Exact text from the filing

the Company announced that it is promoting Eric “Rick” Marmurek to the position of Executive Vice President, Chief Financial Officer and Chief Accounting Officer of the Company effective May 1, 2026.

View on SEC.gov

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Ribbon Communications Inc. filing history →

Source: SEC EDGAR

accession 0001104659-26-050356

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