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ADTRAN Holdings, Inc.

Nasdaq-listed company. Follow earnings, filings, products, capital and the competitive forces moving the company.

TICKERADTN
CORENasdaq-listed company
WATCHEarnings + filings + operating news
STATUSContinuously updated
LIVE / ADTN COVERAGE

What’s moving ADTRAN Holdings, Inc. now

Current reporting with the operating signal separated from the noise.

01
ADTRAN Holdings, Inc. reports second quarter 2026 financial results

ADTRAN Holdings, Inc. reports second quarter 2026 financial results

The story matters when it changes ADTRAN Holdings, Inc.’s customers, execution, competitive position or capital requirements.

Watch next: confirmation in a company filing, official release or regulator record.
02
ADTRAN Holdings, Inc. announces certain preliminary second quarter 2026 results

ADTRAN Holdings, Inc. announces certain preliminary second quarter 2026 results

The development tests whether ADTRAN Holdings, Inc. can turn product investment into adoption, revenue and durable advantage.

Watch next: confirmation in a company filing, official release or regulator record.
03
ADTRAN Holdings, Inc. reports first quarter 2026 financial results

ADTRAN Holdings, Inc. reports first quarter 2026 financial results

The story matters when it changes ADTRAN Holdings, Inc.’s customers, execution, competitive position or capital requirements.

Watch next: confirmation in a company filing, official release or regulator record.
04
ADTRAN Holdings, Inc.: Adtran and GLDS expand partnership to deliver billing-driven, zero-touch automation for subscriber lifecycle management

ADTRAN Holdings, Inc.: Adtran and GLDS expand partnership to deliver billing-driven, zero-touch automation for subscriber lifecycle management

The story matters when it changes ADTRAN Holdings, Inc.’s customers, execution, competitive position or capital requirements.

Watch next: official volume, pricing, inventory and segment margin.
05
ADTRAN Holdings, Inc. (ADTN) Q3 2025 Earnings Call Transcript

ADTRAN Holdings, Inc. (ADTN) Q3 2025 Earnings Call Transcript

Investors are testing whether ADTRAN Holdings, Inc.’s operating performance supports its strategy and valuation.

Watch next: the filing, cash flow, guidance and capital-expenditure plan.
06
ADTRAN Holdings, Inc. (ADTN) Q1 2025 Earnings Call Transcript

ADTRAN Holdings, Inc. (ADTN) Q1 2025 Earnings Call Transcript

Investors are testing whether ADTRAN Holdings, Inc.’s operating performance supports its strategy and valuation.

Watch next: the filing, cash flow, guidance and capital-expenditure plan.
07
ADTRAN Holdings, Inc. reports preliminary fourth quarter and full-year 2024 financial results

ADTRAN Holdings, Inc. reports preliminary fourth quarter and full-year 2024 financial results

The story matters when it changes ADTRAN Holdings, Inc.’s customers, execution, competitive position or capital requirements.

Watch next: confirmation in a company filing, official release or regulator record.
08
ADTRAN Holdings, Inc. to release fourth quarter 2024 financial results on February 26, 2025

ADTRAN Holdings, Inc. to release fourth quarter 2024 financial results on February 26, 2025

The story matters when it changes ADTRAN Holdings, Inc.’s customers, execution, competitive position or capital requirements.

Watch next: confirmation in a company filing, official release or regulator record.
PRIMARY DOCUMENTS / SEC EDGAR

Latest ADTN filings.

Investor-relevant reports are shown first, followed by the company’s other recent official submissions.

10-QQuarterly financial reportFiled 2026-08-04 · Period 2026-06-30SEC ↗10-QQuarterly financial reportFiled 2026-05-05 · Period 2026-03-31SEC ↗10-KAnnual financial reportFiled 2026-02-26 · Period 2025-12-31SEC ↗8-KMaterial company eventFiled 2026-08-10 · Period 2026-08-10SEC ↗8-KMaterial company eventFiled 2026-08-04 · Period 2026-08-03SEC ↗8-KMaterial company eventFiled 2026-07-23 · Period 2026-07-21SEC ↗DEF 14AProxy and shareholder meetingFiled 2026-03-27 · Period 2026-03-27SEC ↗4Official SEC filingFiled 2026-08-10 · Period 2026-08-10SEC ↗
EARNINGS / QUARTERLY TRACKER

ADTRAN Holdings, Inc., quarter by quarter.

Results, guidance and earnings coverage are grouped only when the source headline identifies the reporting period.