Kathryn A. Walker - 31 Dec 2025 Form 4 Insider Report for ADTRAN Holdings, Inc. (ADTN)

Role
Director
Signature
/s/ Dan Ragsdale, by power of attorney
Issuer symbol
ADTN
Transactions as of
31 Dec 2025
Net transactions value
$0
Form type
4
Filing time
05 Jan 2026, 18:28:11 UTC
Previous filing
03 Jan 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Walker Kathryn A Director C/O ADTRAN HOLDINGS, INC., 901 EXPLORER BOULEVARD, HUNTSVILLE /s/ Dan Ragsdale, by power of attorney 05 Jan 2026 0001264261

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ADTN Common Stock Award $0 +13,809 +16% $0.000000 98,663 31 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents a restricted stock award grant that vests in full on the first anniversary of the date of grant.