Anne DelSanto - 01 Jul 2026 Form 3 Insider Report for ADTRAN Holdings, Inc. (ADTN)

Reporting relationship: Director
Issuer ticker: ADTN
Reported as of: 01 Jul 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 01 Jul 2026, 16:52:59 UTC
Prior SEC filing: 08 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Dan Ragsdale, by power of attorney

Key filing fact

Anne DelSanto filed Form 3 for ADTRAN Holdings, Inc. (ADTN) on 01 Jul 2026.

Key facts

This page summarizes Anne DelSanto's Form 3 filing for ADTRAN Holdings, Inc. (ADTN).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 01 Jul 2026, 16:52.

Change

Previous filing in this sequence was filed on 08 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001770310 Primary reporting owner

DelSanto Anne

Relationship: Director
Address: C/O ADTRAN HOLDINGS, INC., 901 EXPLORER BOULEVARD, HUNTSVILLE
Signature: /s/ Dan Ragsdale, by power of attorney
Signature date: 01 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ADTN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 0
Date: 01 Jul 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

SEC remarks

The appointment of Ms. DelSanto as Director of ADTRAN Holdings, Inc. (the "Company") was effective on July 1, 2026. At such time, no securities or derivative securities of the Company were beneficially owned by Ms. DelSanto. Exhibit listing: Exhibit 24 Power of Attorney