norm: adtranManufacturing · USno LEI · CIK 0000926282Max severity: Low

Canonical registry

Adtran, Inc.

ent_019e5934dc79c4e355ba4f26e991020d

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Disclosures

1

SEC 10-K Item 1C · 1 jurisdiction

Incidents

—

no linked incident in sample

Max affected reported

—

no filed count in sample

Leak-site claims

0

none in sample

Identity resolution

Canonical name: Adtran, Inc.
Normalized: adtran— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: 0000926282
Domain: adtran.com

Disclosure history (1)newest first

FEDERALSEC 10-K Item 1Cas victim2026-02-26
Adtran, Inc. (CIK 0000926282) filed its 10-K on February 26, 2026. The filing contains no disclosure of a cybersecurity incident, unauthorized access, or data breach under Item 1C or elsewhere. The document is a standard annual financial report.