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DEFA14AThe Ballot

ADTRAN Holdings, Inc. files DEFA14A

Filed Mar 30, 2021 · 5y ago · Accession 0001193125-21-099308

Plain English

DEFA14A filed with the SEC.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
ADTN
CIK
926282
Form type
DEFA14A
Filing date
Mar 30, 2021
Report date
Document
d38452ddefa14a.htm
Size
232 KB