Skip to main content
Signal8
STANTON THOMAS R profile photo

Thomas R. Stanton

CIK: 0001191219

Transaction Breakdown

Open Market Buys (P)1 (5.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)14 (70.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ADTRAN Holdings, Inc. logo
ADTN

ADTRAN Holdings, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (20 total)

  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Apr 1, 2026
    Award(A)
    Direct
    170.7K shares-
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 26, 2026
    Award(A)
    Direct
    28K shares-
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 26, 2026
    Tax Payment(F)
    Direct
    12.4K shares at avg. $9.24$115K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 26, 2026
    Tax Payment(F)
    Direct
    14.4K shares at avg. $9.73$140K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 24, 2026
    Tax Payment(F)
    Direct
    17.5K shares at avg. $9.55$167K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 20, 2026
    Tax Payment(F)
    Direct
    10.2K shares at avg. $9.24$95K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Nov 24, 2025
    Purchase(P)
    Direct
    40.9K shares at avg. $7.33$300K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Nov 17, 2025
    Tax Payment(F)
    Direct
    3.4K shares at avg. $7.33$25K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jul 13, 2025
    Tax Payment(F)
    Direct
    5.7K shares at avg. $9.20$52K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Apr 13, 2025
    Tax Payment(F)
    Direct
    5.4K shares at avg. $7.62$41K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 26, 2025
    Tax Payment(F)
    Direct
    9.5K shares at avg. $10.31$98K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 24, 2025
    Award(A)
    Direct
    39.7K shares-
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 24, 2025
    Award(A)
    Direct
    159.8K shares-
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 24, 2025
    Tax Payment(F)
    Direct
    10.3K shares at avg. $10.31$106K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 24, 2025
    Award(A)
    Direct
    39.4K shares-
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 20, 2025
    Tax Payment(F)
    Direct
    6.4K shares at avg. $10.19$65K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Jan 13, 2025
    Tax Payment(F)
    Direct
    6K shares at avg. $10.01$60K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Nov 17, 2024
    Tax Payment(F)
    Direct
    16.8K shares at avg. $7.75$130K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Nov 16, 2024
    Tax Payment(F)
    Direct
    5.6K shares at avg. $7.75$43K
  • ADTRAN Holdings, Inc. logo
    ADTN

    ADTRAN Holdings, Inc.

    Oct 13, 2024
    Tax Payment(F)
    Direct
    3.7K shares at avg. $5.91$22K

1-20 of 20

About STANTON THOMAS R

STANTON THOMAS R (SEC CIK 0001191219) files insider reports with the SEC as Chairman & CEO of ADTRAN Holdings, Inc. (ADTN).

Signal8 holds 14 ownership filings by STANTON THOMAS R, all Form 4s, filed between Oct 15, 2024 and Apr 3, 2026. Those filings report 20 transactions, from Oct 13, 2024 to Apr 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on STANTON THOMAS R's filings is in HUNTSVILLE, AL.

Recent filings by STANTON THOMAS R

  • Apr 1, 2026: Grant or award of ADTN shares (Form 4, code A).
  • Jan 26, 2026: Grant or award of ADTN shares (Form 4, code A).
  • Jan 26, 2026: Tax withholdings of ADTN shares (2 lines, Form 4, code F).
  • Jan 24, 2026: Tax withholding of ADTN shares (Form 4, code F).
  • Jan 20, 2026: Tax withholding of ADTN shares (Form 4, code F).

Other insiders filing for ADTRAN Holdings, Inc. (ADTN)

How to read Form 4 transaction codes