THOMAS R. STANTON - 26 Jan 2026 Form 4 Insider Report for ADTRAN Holdings, Inc. (ADTN)

Signature
/s/ Dan Ragsdale, by power of attorney
Issuer symbol
ADTN
Transactions as of
26 Jan 2026
Net transactions value
-$114,641
Form type
4
Filing time
28 Jan 2026, 17:04:24 UTC
Previous filing
27 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
STANTON THOMAS R Chairman & CEO, Director C/O ADTRAN HOLDINGS, INC., 901 EXPLORER BOULEVARD, HUNTSVILLE /s/ Dan Ragsdale, by power of attorney 28 Jan 2026 0001191219

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ADTN Common Stock Award $0 +27,973 +3% $0.000000 967,878 26 Jan 2026 Direct F1
transaction ADTN Common Stock Tax liability $114,641 -12,407 -1.3% $9.24 955,471 26 Jan 2026 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares represent the vesting of performance stock units that were awarded pursuant to a grant on January 20, 2023 under the Amended and Restated ADTRAN Holdings, Inc. 2020 Employee Stock Incentive Plan.
F2 Shares delivered to the Issuer for the payment of withholding taxes due upon the vesting of previously granted performance stock units.