ADTRAN Holdings, Inc. (ADTN)
Nasdaq · Telephone & Telegraph Apparatus
What they're doing
Between 2026-08-02 and 2026-10-31, public records show 2 signals for ADTRAN Holdings, Inc.. Most notable: 2026-08-10: Filed 8-K disclosing director or officer change; 2026-10-29: Filed 8-K disclosing director or officer change. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-10-31 from public records.
Signals, last 12 months
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing material agreement
- Material 8-K filingFiled 8-K disclosing director or officer change
- Large insider saleGlingener Christoph (officer) sold $1.3M of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Insider purchaseTheodosopoulos Nikos (director) bought $100k of stock
- Insider purchaseSTANTON THOMAS R (director) bought $300k of stock
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-10-27 | Terlinde Christian | director | A | 8,721 | 0 | $0 |
| 2026-05-20 | Wilson James Denson Jr | officer | S | 9,332 | 14.72 | $137,367 |
| 2026-05-20 | Wilson James Denson Jr | officer | G | 10,469 | 0 | $0 |
| 2026-05-08 | Glingener Christoph | officer | M | 22,277 | 12.17 | $271,111 |
| 2026-05-08 | Glingener Christoph | officer | S | 22,277 | 15 | $334,155 |
| 2026-05-07 | Glingener Christoph | officer | S | 84,895 | 15.06 | $1,278,519 |
| 2026-05-07 | Glingener Christoph | officer | M | 84,895 | 12.17 | $1,033,172 |
| 2026-05-07 | Glingener Christoph | officer | S | 41,220 | 14.73 | $607,171 |
| 2026-05-07 | Glingener Christoph | officer | M | 41,220 | 7.01 | $288,952 |
| 2026-04-01 | Wilson James Denson Jr | officer | A | 24,908 | 0 | $0 |
| 2026-04-01 | Santo Timothy P | officer | A | 28,252 | 0 | $0 |
| 2026-04-01 | STANTON THOMAS R | director | A | 170,723 | 0 | $0 |
| 2026-03-19 | Santo Timothy P | officer | F | 1,501 | 11.9 | $17,862 |
| 2026-03-04 | Jacqueline Hourigan Rice | director | S | 14,406 | 10.29 | $148,238 |
| 2026-01-26 | Wilson James Denson Jr | officer | F | 1,309 | 9.24 | $12,095 |
| 2026-01-26 | Wilson James Denson Jr | officer | A | 3,777 | 0 | $0 |
| 2026-01-26 | Wilson James Denson Jr | officer | F | 1,087 | 9.24 | $10,044 |
| 2026-01-26 | STANTON THOMAS R | director | F | 12,407 | 9.24 | $114,641 |
| 2026-01-26 | STANTON THOMAS R | director | A | 27,973 | 0 | $0 |
| 2026-01-26 | Wilson James Denson Jr | officer | F | 998 | 9.73 | $9,711 |
| 2026-01-26 | STANTON THOMAS R | director | F | 14,409 | 9.73 | $140,200 |
| 2026-01-24 | Wilson James Denson Jr | officer | F | 1,227 | 9.55 | $11,718 |
| 2026-01-24 | STANTON THOMAS R | director | F | 17,535 | 9.55 | $167,459 |
| 2026-01-20 | Wilson James Denson Jr | officer | F | 765 | 9.24 | $7,069 |
| 2026-01-20 | STANTON THOMAS R | director | F | 10,247 | 9.24 | $94,682 |
| 2025-12-31 | Walker Kathryn A | director | A | 13,809 | 0 | $0 |
| 2025-12-31 | Theodosopoulos Nikos | director | A | 13,809 | 0 | $0 |
| 2025-12-31 | McCray Gregory James | director | A | 13,809 | 0 | $0 |
| 2025-12-31 | Nair Balan | director | A | 13,809 | 0 | $0 |
| 2025-12-31 | HUSS H FENWICK | director | A | 13,809 | 0 | $0 |
| 2025-12-31 | Jacqueline Hourigan Rice | director | A | 13,809 | 0 | $0 |
| 2025-11-28 | Santo Timothy P | officer | P | 6,150 | 8.02 | $49,323 |
| 2025-11-26 | Theodosopoulos Nikos | director | P | 12,859 | 7.81 | $100,429 |
| 2025-11-24 | STANTON THOMAS R | director | P | 40,928 | 7.33 | $300,002 |
| 2025-11-17 | Wilson James Denson Jr | officer | F | 468 | 7.33 | $3,430 |
| 2025-11-17 | STANTON THOMAS R | director | F | 3,355 | 7.33 | $24,592 |
| 2025-07-13 | STANTON THOMAS R | director | F | 5,663 | 9.2 | $52,100 |
| 2025-04-13 | STANTON THOMAS R | director | F | 5,408 | 7.62 | $41,209 |
| 2025-03-19 | Santo Timothy P | officer | A | 20,444 | 0 | $0 |
| 2025-01-26 | Wilson James Denson Jr | officer | F | 845 | 10.31 | $8,712 |
| 2025-01-26 | Dopfer Ulrich | officer | F | 1,167 | 10.31 | $12,032 |
| 2025-01-26 | STANTON THOMAS R | director | F | 9,536 | 10.31 | $98,316 |
| 2025-01-24 | STANTON THOMAS R | director | A | 39,735 | 0 | $0 |
| 2025-01-24 | Wilson James Denson Jr | officer | F | 4,208 | 10.31 | $43,384 |
| 2025-01-24 | Wilson James Denson Jr | officer | A | 16,096 | 0 | $0 |
| 2025-01-24 | Wilson James Denson Jr | officer | A | 14,163 | 0 | $0 |
| 2025-01-24 | Glingener Christoph | officer | A | 13,870 | 0 | $0 |
| 2025-01-24 | Glingener Christoph | officer | A | 13,907 | 0 | $0 |
| 2025-01-24 | Dopfer Ulrich | officer | A | 16,384 | 0 | $0 |
| 2025-01-24 | Dopfer Ulrich | officer | A | 16,291 | 0 | $0 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
7-day average 23 views/day vs 90-day median 30.