STANTON THOMAS R (CIK 1191219) reported 17 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-03). Recent activity: Buy ADTN (170,723 shares), Buy ADTN (39,735 shares), Buy ADTN (27,973 shares), Sell ADTN (12,407 shares), Sell ADTN (17,535 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-03 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Buy | 170,723 | $0 |
| 2026-03-05 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Buy | 39,735 | $0 |
| 2026-01-28 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Buy | 27,973 | $0 |
| 2026-01-28 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 12,407 | $114,641 |
| 2026-01-27 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 17,535 | $167,459 |
| 2026-01-27 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 14,409 | $140,200 |
| 2026-01-22 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 10,247 | $94,682 |
| 2025-11-25 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Buy | 40,928 | $300,002 |
| 2025-11-19 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 3,355 | $24,592 |
| 2025-07-15 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 5,663 | $52,100 |
| 2025-04-15 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 5,408 | $41,209 |
| 2025-01-28 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Buy | 39,375 | $0 |
| 2025-01-28 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 10,307 | $106,265 |
| 2025-01-28 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Buy | 159,844 | $0 |
| 2025-01-28 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 9,536 | $98,316 |
| 2025-01-22 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 6,395 | $65,165 |
| 2025-01-15 | ADTRAN Holdings, Inc. (ADTN) | Chairman & CEO | Sell | 6,018 | $60,240 |
Source: SEC Form 4 filings · as of 2026-04-03