0000926282-21-000009.txt : 20210301 0000926282-21-000009.hdr.sgml : 20210301 20210301094004 ACCESSION NUMBER: 0000926282-21-000009 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210225 FILED AS OF DATE: 20210301 DATE AS OF CHANGE: 20210301 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Centis Ronald CENTRAL INDEX KEY: 0001769038 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24612 FILM NUMBER: 21694667 MAIL ADDRESS: STREET 1: 505 OLD COURSE CIRCLE CITY: MCKINNEY STATE: TX ZIP: 75070 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ADTRAN INC CENTRAL INDEX KEY: 0000926282 STANDARD INDUSTRIAL CLASSIFICATION: TELEPHONE & TELEGRAPH APPARATUS [3661] IRS NUMBER: 630918200 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 901 EXPLORER BLVD CITY: HUNTSVILLE STATE: AL ZIP: 35806 BUSINESS PHONE: 256-963-8220 MAIL ADDRESS: STREET 1: 901 EXPLORER BLVD CITY: HUNTSVILLE STATE: AL ZIP: 35806 4 1 primary_doc.xml PRIMARY DOCUMENT X0306 4 2021-02-25 0 0000926282 ADTRAN INC ADTN 0001769038 Centis Ronald 901 EXPLORER BOULEVARD HUNTSVILLE AL 35806 0 1 0 0 SVP, Operations Common Stock 2021-02-25 4 F 0 149 17.1 D 21836.257 D Amy Moss, by power of attorney 2021-03-01