FilingIndex
11-KThe Record

ADTRAN Holdings, Inc. files 11-K

Filed Jun 27, 2018 · 8y ago · Accession 0001564590-18-016268

Plain English

11-K 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
11-K
Filing date
Jun 27, 2018
Report date
Dec 31, 2017
Document
adtn-11k_20171231.htm
Size
604 KB