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ADTRAN Holdings, Inc. 
 AL
  SEC # 926282


        
1  Related Registrant:   

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1,950  SEC Filings
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  from  2/7/96  to  3/27/24  (Yesterday)

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  Filer / Offerer   Owner / Insider   Issuer / Subject Company   Filing Agent   
 
Most-Recent Filing:    ‘ARS’ — Annual Report to Security Holders — for 12/31/23 — Filed as:  Filer / Offerer 
 
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notifications of all
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Filings
involving  ADTRAN Holdings, Inc. 

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Forms
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, Documents
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& Exhibits
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 in  474 Filings
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 Filed as:  Filer / Offerer  or  Owner / Insider


        
Latest Filing  Type    Category    Description        Documents
     
3/27/24 New Document this Past Month!ARSUpdate:  Annual Reports to Security Holders  New Document this Past Month! 3
3/27/24 New Document this Past Month!DEFA14AProxy:  Definitive Additional Proxy Soliciting Materials — Schedule 14A  New Document this Past Month! 7
3/27/24 New Document this Past Month!DEF 14AProxy:  Definitive Proxy Statements — Schedule 14A  New Document this Past Month!  — Financial Reports
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28
3/15/24 New Document this Past Month!10-KUpdate:  Annual Reports — Form 10-K  New Document this Past Month!  — Financial Reports
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29
3/15/24 New Document this Past Month!8-KUpdate:  Current Reports — Form 8-K  New Document this Past Month!  — Press Releases
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& Conference Calls
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 — Financial Reports
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192

8-K Items: 
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1/22/24
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  Business & Operations: 
Entry into a Material Definitive Agreement — Item 1.01 — ‘EX-10’
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11
2/8/23 OLD"Termination of a Material Definitive Agreement — Item 1.02  OLD  — ‘EX-10’
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2
7/15/22 OLD
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  Financial Info: 
Completion of Acquisition or Disposition of Assets — Item 2.01  OLD  — ‘EX-2’
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2
3/15/24 New Document this Past Month!"Results of Operations and Financial Condition — Item 2.02  New Document this Past Month!  — Financial Reports
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97
1/22/24"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant — Item 2.03 — ‘EX-10’
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4
7/8/22 OLD
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  Securities & Trading: 
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing — Item 3.01  OLD 2
7/8/22 OLD"Material Modifications to Rights of Security Holders — Item 3.03  OLD  — ‘EX-4’
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1
2/20/24
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  Accountants & Accounting: 
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review — Item 4.022
7/8/22 OLD
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  Governance & Management: 
Changes in Control of Registrant — Item 5.01  OLD 1
12/6/23"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers — Item 5.02 — List of Directors & Officers
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38
10/24/23"Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year — Item 5.03 — ‘EX-3’
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5
6/30/22 OLD"Temporary Suspension of Trading Under Registrant’s Employee Benefit Plans — Item 5.04  OLD 1
5/12/23"Submission of Matters to a Vote of Security Holders — Item 5.0715
2/27/24
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  Disclosures: 
Regulation FD Disclosure — Item 7.01 — ‘EX-99’
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12
1/19/23 OLD
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  Events: 
Other Events — Item 8.01  OLD 13
3/15/24 New Document this Past Month!
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  Financials: 
Financial Statements and Exhibits — Item 9.01  New Document this Past Month!  — Financial Reports
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154

3/14/24 New Document this Past Month!10-QUpdate:  Quarterly Reports — Form 10-Q  New Document this Past Month!  — Financial Reports
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90
2/29/24 New Document this Past Month!NT 10-KUpdate:  Notice of a Late Filing of a Form 10-K Annual Report — Form 12b-25  New Document this Past Month! 1
8/10/23NT 10-QUpdate:  Notices of Late Filings of Form 10-Q Quarterly Reports — Form 12b-252
6/28/2311-KUpdate:  Annual Reports by Employee Stock Purchase, Savings and Similar Plans — Form 11-K27
5/26/23SDUpdate:  Specialized Disclosure Reports re: Uses of Conflict Minerals — Form SD10
12/23/22 OLDS-3ASRRegistration:  Automatic Shelf Registration Statement by a Well-Known Issuer — Form S-3  OLD 1
7/21/22 OLD15-12GRegistration:  Certification of a Termination of Registration of a Class of Securities — Form 15  OLD 1
7/11/22 OLDS-8Registration:  Registration Statements – Securities for Certain Employee Benefit Plans — Form S-8  OLD 13
7/11/22 OLD8-K12BRegistration:  Notice of Securities Deemed to be Registered by a Successor Issuer — Form 8-K  OLD  — Financial Reports
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1
7/8/22 OLDS-8 POSRegistration:  Post-Effective Amendments of Form S-8 Registrations  OLD 13
7/8/22 OLD425Registration:  Prospectuses and Communications – Mergers  OLD 22
12/2/21 OLDDEFM14AProxy:  Definitive Proxy Statement – Merger or Acquisition — Schedule 14A  OLD 1
10/18/17 OLDCORRESPComment:  Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ]  OLD  — All Correspondence with the SEC
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22
4/30/15 OLDDEFR14AProxy:  Definitive Revised Proxy Soliciting Materials — Schedule 14A  OLD 3
7/26/12 OLDCT ORDERSEC:  SEC Confidential Treatment Order  OLD 1
3/29/02 OLD10-K405Update:  Annual Reports — Reg. S-K – Item 405 — Form 10-K  OLD 2
2/27/02 OLDSC TO-IOwnership:  Tender-Offer Statements by Issuers — Schedule TO  OLD 4
3/13/97 OLDPRE 14AProxy:  Preliminary Proxy Statement — Schedule 14A  OLD 1

General Exhibits: 
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3/15/24 New Exhibit this Past Month!EX-23Consents of Experts and Counsel  New Exhibit this Past Month! 73
3/15/24 New Exhibit this Past Month!EX-10Material Contracts  New Exhibit this Past Month! 95
3/15/24 New Exhibit this Past Month!EX-24Powers of Attorney  New Exhibit this Past Month! 31
3/15/24 New Exhibit this Past Month!EX-21Subsidiaries Lists  New Exhibit this Past Month! 20
10/24/23EX-3Articles of Incorporation/Organization and Bylaws8
5/26/23EX-1Underwriting Agreements and Conflict Minerals Reports  (and mislabeled “1st Exhibits”)10
5/10/23EX-4Instruments, Including Indentures, Defining the Rights of Security Holders10
12/23/22 OLDEX-FILING FEESFiling Fees  OLD 3
12/23/22 OLDEX-5Opinions of Counsel re: Legality  OLD 15
8/30/21 OLDEX-2Plans of Acquisitions, Reorganizations, Arrangements, Liquidations and Successions  OLD 4
3/31/97 OLDEX-13Annual or Quarterly Report to Security Holders  OLD 1

Additional Exhibits: 
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3/15/24 New Exhibit this Past Month!EX-99Miscellaneous Exhibits, such as Press Releases  New Exhibit this Past Month!  — Press Releases
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& Conference Calls
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215

Financials: 
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3/27/24 New Report this Past Month!XML  &  R#IDEA Financial Reports Info  New Report this Past Month!  — Financial Reports
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5,825
3/27/24 New Exhibit this Past Month!EX-101.*XBRL Data  (XBRL Files)  New Exhibit this Past Month! 540
3/27/24 New Exhibit this Past Month!JSONXBRL Instances as JavaScript Object Notation Data  (JSON Files)  New Exhibit this Past Month! 102
3/27/24 New Folder this Past Month!ZIPXBRL Zipped Folders
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  (Folders of XBRL Files)  New Folder this Past Month! 
135
3/15/24 New Exhibit this Past Month!EX-31Certifications — §302 – SOA’02  New Exhibit this Past Month! 91
3/15/24 New Exhibit this Past Month!EX-32Certifications — §906 – SOA’02  New Exhibit this Past Month! 90
3/15/24 New Workbook this Past Month!EXCELIDEA Workbooks of Financial Reports Info  New Workbook this Past Month!  — Workbooks of Financial Reports
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141
11/14/00 OLDEX-27Financial Data Schedules {Pre-XBRL}  OLD  — Financial Reports
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29
11/12/97 OLDEX-11Statements re: Computations of Earnings Per Share  OLD 7

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3/27/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 468


Forms
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, Documents
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& Exhibits
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 in  1,502 Filings
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 Filed re:  Issuer / Subject Company


        
New Filing!  List all Money Managers that own this Security Issuer:  CUSIPs 00738A and 00486H
 

        
Latest Filing  Type    Category    Description        Documents
     
3/25/24 New Document this Past Month!SC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G  New Document this Past Month! 152
1/30/244Ownership:  Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 41,204
5/1/233Ownership:  Initial Statements of Beneficial Ownership of Securities by Insiders — Form 338
7/20/22 OLDSC 13DOwnership:  Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D  OLD 2
7/11/22 OLD25-NSETrading:  Notice by a Securities Exchange of the Removal from Listing and Registration of Matured, Redeemed or Retired Securities — Form 25  OLD 1
7/8/22 OLD425Registration:  Prospectuses and Communications – Mergers  OLD 79
3/19/19 OLD5Ownership:  Annual Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 5  OLD 6
2/27/02 OLDSC TO-IOwnership:  Tender-Offer Statements by Issuers — Schedule TO  OLD 4

Letters: 
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10/31/17 OLDLETTERComment and Other Letters from the SEC  [ a.k.a. UPLOAD ]  OLD  — All Correspondence with the SEC16

General Exhibits: 
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5/25/23EX-24Powers of Attorney53

Additional Exhibits: 
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7/20/22 OLDEX-99Miscellaneous Exhibits, such as Press Releases  OLD 22

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7/8/22 OLDGRAPHICPhotos, Images and Graphs  OLD 147


        

Filings History

Year    # of Filings
In descending order
2024 30
2023 101
2022 209
2021 159
2020 101
2019 109
2018 93
2017 97
2016 83
2015 78
2014 89
2013 94
2012 92
2011 61
2010 44
2009 61
2008 59
2007 80
2006 53
2005 62
2004 53
2003 81
2002 17
2001 7
2000 8
1999 9
1998 6
1997 9
1996 5

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