Thomas R. Stanton
Chairman & CEO at ADTRAN Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: ADTRAN Holdings Inc., 3 years.
ADTRAN Holdings Inc.
Director · Chairman & CEO
Chief executive roles
ADTRAN Holdings Inc.
· Chairman & CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Apr 1, 2026 | ADTRAN Holdings Inc. | Grant or award | +170,723 | — | — |
| Jan 26, 2026 | ADTRAN Holdings Inc. | Grant or award | +27,973 | — | — |
| Jan 26, 2026 | ADTRAN Holdings Inc. | Shares withheld for tax | −12,407 | $9.24 | $114,641 |
| Jan 26, 2026 | ADTRAN Holdings Inc. | Shares withheld for tax | −14,409 | $9.73 | $140,200 |
| Jan 24, 2026 | ADTRAN Holdings Inc. | Shares withheld for tax | −17,535 | $9.55 | $167,459 |
| Jan 20, 2026 | ADTRAN Holdings Inc. | Shares withheld for tax | −10,247 | $9.24 | $94,682 |
| Nov 24, 2025 | ADTRAN Holdings Inc. | Open-market purchase | +40,928 | $7.33 | $300,002 |
| Nov 17, 2025 | ADTRAN Holdings Inc. | Shares withheld for tax | −3,355 | $7.33 | $24,592 |
| Jul 13, 2025 | ADTRAN Holdings Inc. | Shares withheld for tax | −5,663 | $9.20 | $52,100 |
| Apr 13, 2025 | ADTRAN Holdings Inc. | Shares withheld for tax | −5,408 | $7.62 | $41,209 |
| Jan 26, 2025 | ADTRAN Holdings Inc. | Shares withheld for tax | −9,536 | $10.31 | $98,316 |
| Jan 24, 2025 | ADTRAN Holdings Inc. | Grant or award | +39,375 | — | — |
| Jan 24, 2025 | ADTRAN Holdings Inc. | Shares withheld for tax | −10,307 | $10.31 | $106,265 |
| Jan 24, 2025 | ADTRAN Holdings Inc. | Grant or award | +159,844 | — | — |
| Jan 20, 2025 | ADTRAN Holdings Inc. | Shares withheld for tax | −6,395 | $10.19 | $65,165 |
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