The increase year-over-year in non-GAAP operating expenses was a result of market-driven deferred comp expense, variable and labor comp, engineering projects, and travel increases, partially offset by lower non-recurring and legal expenses.

Feb 3, 2022 / receipt, needs a key / Mike Fogliano, CFO | earnings call 2022-02-03 | transcript 7fd6e7a8-7607-4ee7-8efd-91907278b6d9 | chars 13071-13311 | segment 12

So... You know, the whole thing to that is, you know, when do people start traveling? When does air travel start picking back up again?

Feb 3, 2022 / receipt, needs a key / Mike, other | earnings call 2022-02-03 | transcript 7fd6e7a8-7607-4ee7-8efd-91907278b6d9 | chars 44392-44527 | segment 45

The year-over-year decrease in operating expenses was a result of lower labor expenses in both R&D and SG&A and lower travel and marketing-related expenses, partially offset by market-driven increases in our deferred compensation expense and contract services costs.

May 6, 2021 / receipt, needs a key / Mike, CFO | earnings call 2021-05-06 | transcript f9dc8fbf-f007-4fd3-8c21-45b04a97fb16 | chars 13273-13539 | segment 13

From an organizational perspective, we continue to maintain a disciplined approach to operational expenses. The structural changes that we have implemented over the last year continue to improve our operational efficiency. In the past 18 months, we have reduced our non-GAAP quarterly operating expenses by almost 12 million, or 19%, through disciplined expense management.

Feb 4, 2021 / receipt, needs a key / Tom Stanton, CEO | earnings call 2021-02-04 | transcript 931b6a56-a72d-4463-8c98-c72e033f072c | chars 5850-6223 | segment 5

The year-over-year decreases in operating expenses were a result of lower labor expenses in both R&D and SG&A as a result of our restructuring program, and lower travel-related expenses partially offset by increases in contract services costs, restructuring expenses, and market-driven increases in our deferred comp expense.

Feb 4, 2021 / receipt, needs a key / Mike, CFO | earnings call 2021-02-04 | transcript 931b6a56-a72d-4463-8c98-c72e033f072c | chars 13143-13468 | segment 13

The non-GAAP year-over-year decrease in operating expenses was primarily the result of our expense reduction efforts and lower travel expenses year-over-year partially offset by an increase in contract services.

Feb 4, 2021 / receipt, needs a key / Mike, CFO | earnings call 2021-02-04 | transcript 931b6a56-a72d-4463-8c98-c72e033f072c | chars 13807-14018 | segment 14

Project Manager | {"ats": "workday", "city": null, "state": null, "job_id": "/job/Ottawa-ON/Project-Manager_R005797-1", "remote": false, "category": "other", "function": "other", "location": "Ottawa,

company_statement / Sep 15, 2026 / receipt

expanding from service to provider to high-growth adjacent markets.

ir_statement / Sep 15, 2026 / receipt

Includes true-up of expenses for a Business Efficiency Program designed to optimize the assets and business processes following the business combination with Adtran Networks.

ir_statement / Sep 15, 2026 / receipt

Includes reduced previously accrued cost for the Company's Business Efficiency Program, which was designed to optimize the assets and business processes following the business combination with Adtran

ir_statement / Sep 15, 2026 / receipt

Continued opex control protects operating margin through the revenue trough and positions us for leverage as volume recovers.

ir_statement / Sep 15, 2026 / receipt

Growing list of engagements with hyperscalers on both MicroMux Quattro and LiteWave 800

ir_statement / Sep 15, 2026 / receipt

Refinancing strengthens the balance sheet

ir_statement / Sep 15, 2026 / receipt

Enterprise/ICP grew 47% year over year and now represents 25.4% of revenue, up from 18.3% a year ago.

ir_statement / Sep 15, 2026 / receipt

Maintaining opex discipline while increasing investment in next-generation optical, including pluggable optics solutions, alongside increased investments in software led by our AI application suite.

ir_statement / Sep 15, 2026 / receipt

Lab Technician | {"ats": "workday", "city": null, "state": null, "job_id": "/job/Adtran-Huntsville-HQ/Lab-Technician_R005933", "remote": false, "category": "other", "function": "operations", "location

company_statement / Sep 14, 2026 / receipt

Software Development Engineer I | {"ats": "workday", "city": null, "state": null, "job_id": "/job/Adtran-Huntsville-HQ/Software-Development-Engineer-I_R005903", "remote": false, "category": "other", "

company_statement / Sep 14, 2026 / receipt

Software Engineer | {"ats": "workday", "city": null, "state": null, "job_id": "/job/Hyderabad/Software-Engineer_R005740", "remote": false, "category": "other", "function": "engineering", "location": "

company_statement / Sep 8, 2026 / receipt