Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001306550-23-004122
Filing Date
2023-01-26
Accepted
2023-01-26 08:52:11
Documents
1

Document Format Files

Seq Description Document Type Size
1 us00486h1059_012623.txt SC 13G/A 11555
  Complete submission text file 0001306550-23-004122.txt   13311
Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN Holdings, Inc. (Subject) CIK: 0000926282 (see all company filings)

IRS No.: 872164282 | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-44919 | Film No.: 23554342
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies