THOMAS R. STANTON - 24 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
24 Jan 2026
Net transactions value
-$307,659
Form type
4
Filing time
27 Jan 2026, 17:03:05 UTC
Previous filing
22 Jan 2026
Next filing
28 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 27 Jan 2026 0001191219

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ADTN Common Stock Tax liability $167,459 -17,535 -1.8% $9.55 954,314 24 Jan 2026 Direct F1
transaction ADTN Common Stock Tax liability $140,200 -14,409 -1.5% $9.73 939,905 26 Jan 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares delivered to the Issuer for the payment of withholding taxes due upon the vesting of previously granted restricted stock units.