ADTRAN Holdings, Inc. (ADTN) · Insider trading
What ADTRAN Holdings's directors, officers and largest holders bought and sold themselves, from the Form 4 each of them files with the SEC within two business days of a trade. Open-market purchases and sales first: those are the trades somebody chose to make at the market price.
Bought, 12 months
$499,754
3 insiders, 4 trades
Sold, 12 months
$2.51M
3 insiders, 89% under a plan
Net, 12 months
−$2.01M
bought less sold
Latest filing
2026-08-10
filings read to 2026-10-19
Who traded, two years
| Insider | Bought | Sold | Trades | Last trade | Holds after |
|---|---|---|---|---|---|
| Glingener ChristophChief Technology Officer | – | $2.22M | 3 | 2026-05-08 | 46,645 |
| Stanton Thomas RDirector, Chairman & CEO | $300,002 | – | 1 | 2025-11-24 | 982,096 |
| Jacqueline Hourigan RiceDirector | – | $148,238 | 1 | 2026-03-04 | 13,809 |
| Wilson James Denson JrChief Revenue Officer | – | $137,367 | 1 | 2026-05-20 | 143,277 |
| Theodosopoulos NikosDirector | $100,429 | – | 1 | 2025-11-26 | 52,154 |
| Santo Timothy PSVP of Finance; CFO | $99,323 | – | 2 | 2026-08-06 | 59,924 |
Open-market purchases and sales
Newest first. “Plan” marks a trade made under a 10b5-1 plan set up in advance.
| Date | Insider | Trade | Shares | Price | Value | Holds after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-06 | Santo Timothy PSVP of Finance; CFO | Buy | 6,579 | 7.60 | $50,000 | 59,924 | Form 4 |
| 2026-05-20 | Wilson James Denson JrChief Revenue Officer | Sale | 9,332 | 14.72 | $137,367 | 143,277 | Form 4 |
| 2026-05-08 | Glingener ChristophChief Technology Officer | Saleplan | 22,277 | 15.00 | $334,155 | 46,645 | Form 4 |
| 2026-05-07 | Glingener ChristophChief Technology Officer | Saleplan | 41,220 | 14.73 | $607,171 | 46,645 | Form 4 |
| 2026-05-07 | Glingener ChristophChief Technology Officer | Saleplan | 84,895 | 15.06 | $1.28M | 46,645 | Form 4 |
| 2026-03-04 | Jacqueline Hourigan RiceDirector | Sale | 14,406 | 10.29 | $148,238 | 13,809 | Form 4 |
| 2025-11-28 | Santo Timothy PSVP of Finance; CFO | Buy | 6,150 | 8.02 | $49,323 | 26,594 | Form 4 |
| 2025-11-26 | Theodosopoulos NikosDirector | Buy | 12,859 | 7.81 | $100,429 | 52,154 | Form 4 |
| 2025-11-24 | Stanton Thomas RDirector, Chairman & CEO | Buy | 40,928 | 7.33 | $300,002 | 982,096 | Form 4 |
Grants, exercises and other transactions
Pay, tax and paperwork rather than a choice to trade at the market price. Two years.
28 × grant or award25 × shares withheld for tax3 × option exercise2 × gift
Show them
| Date | Insider | What | Shares | Price | Holds after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-10 | Glingener ChristophChief Technology Officer | Grant or award A | +27,924 | – | 83,953 | Form 4 |
| 2026-07-24 | Glingener ChristophChief Technology Officer | Grant or award A | +9,384 | – | 56,029 | Form 4 |
| 2026-07-01 | DelSanto AnneDirector | Grant or award A | +4,399 | – | 4,399 | Form 4 |
| 2026-05-20 | Wilson James Denson JrChief Revenue Officer | Gift G | −10,469 | – | 132,808 | Form 4 |
| 2026-05-08 | Glingener ChristophChief Technology Officer | Option exercise M | +22,277 | 12.17 | 68,922 | Form 4 |
| 2026-05-07 | Glingener ChristophChief Technology Officer | Option exercise M | +41,220 | 7.01 | 87,865 | Form 4 |
| 2026-05-07 | Glingener ChristophChief Technology Officer | Option exercise M | +84,895 | 12.17 | 131,540 | Form 4 |
| 2026-04-01 | Stanton Thomas RDirector, Chairman & CEO | Grant or award A | +170,723 | – | 1,126,554 | Form 4 |
| 2026-04-01 | Santo Timothy PSVP of Finance; CFO | Grant or award A | +28,252 | – | 53,345 | Form 4 |
| 2026-04-01 | Wilson James Denson JrChief Revenue Officer | Grant or award A | +24,908 | – | 152,609 | Form 4 |
| 2026-03-19 | Santo Timothy PSVP of Finance; CFO | Shares withheld for tax F | −1,501 | 11.90 | 25,093 | Form 4 |
| 2026-01-26 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −1,309 | 9.24 | 127,701 | Form 4/A |
| 2026-01-26 | Stanton Thomas RDirector, Chairman & CEO | Grant or award A | +27,973 | – | 967,878 | Form 4 |
| 2026-01-26 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −12,407 | 9.24 | 955,471 | Form 4 |
| 2026-01-26 | Wilson James Denson JrChief Revenue Officer | Grant or award A | +3,777 | – | 129,010 | Form 4 |
| 2026-01-26 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −14,409 | 9.73 | 939,905 | Form 4 |
| 2026-01-24 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −17,535 | 9.55 | 954,314 | Form 4 |
| 2026-01-24 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −1,227 | 9.55 | 126,231 | Form 4 |
| 2026-01-20 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −10,247 | 9.24 | 971,849 | Form 4 |
| 2026-01-20 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −765 | 9.24 | 127,458 | Form 4 |
| 2025-12-31 | Jacqueline Hourigan RiceDirector | Grant or award A | +13,809 | – | 28,215 | Form 4 |
| 2025-12-31 | Huss H FenwickDirector | Grant or award A | +13,809 | – | 107,600 | Form 4 |
| 2025-12-31 | Nair BalanDirector | Grant or award A | +13,809 | – | 125,373 | Form 4 |
| 2025-12-31 | McCray Gregory JamesDirector | Grant or award A | +13,809 | – | 72,893 | Form 4 |
| 2025-12-31 | Theodosopoulos NikosDirector | Grant or award A | +13,809 | – | 65,963 | Form 4 |
| 2025-12-31 | Walker Kathryn ADirector | Grant or award A | +13,809 | – | 98,663 | Form 4 |
| 2025-11-17 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −3,355 | 7.33 | 941,168 | Form 4 |
| 2025-11-17 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −468 | 7.33 | 128,223 | Form 4 |
| 2025-07-13 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −5,663 | 9.20 | 944,523 | Form 4 |
| 2025-04-13 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −5,408 | 7.62 | 950,186 | Form 4 |
| 2025-03-19 | Santo Timothy PSVP of Finance; CFO | Grant or award A | +20,444 | – | 20,444 | Form 4 |
| 2025-01-26 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −9,536 | 10.31 | 955,594 | Form 4 |
| 2025-01-26 | Dopfer UlrichChief Financial Officer | Shares withheld for tax F | −1,167 | 10.31 | 48,195 | Form 4 |
| 2025-01-26 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −845 | 10.31 | 128,691 | Form 4 |
| 2025-01-24 | Stanton Thomas RDirector, Chairman & CEO | Grant or award A | +39,735 | – | 815,953 | Form 4/A |
| 2025-01-24 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −10,307 | 10.31 | 805,286 | Form 4 |
| 2025-01-24 | Dopfer UlrichChief Financial Officer | Grant or award A | +16,291 | – | 37,591 | Form 4 |
| 2025-01-24 | Dopfer UlrichChief Financial Officer | Shares withheld for tax F | −4,613 | 10.31 | 32,978 | Form 4 |
| 2025-01-24 | Dopfer UlrichChief Financial Officer | Grant or award A | +16,384 | – | 49,362 | Form 4 |
| 2025-01-24 | Glingener ChristophChief Technology Officer | Grant or award A | +13,907 | – | 32,775 | Form 4 |
| 2025-01-24 | Glingener ChristophChief Technology Officer | Grant or award A | +13,870 | – | 46,645 | Form 4 |
| 2025-01-24 | Wilson James Denson JrChief Revenue Officer | Grant or award A | +16,096 | – | 119,581 | Form 4 |
| 2025-01-24 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −4,208 | 10.31 | 115,373 | Form 4 |
| 2025-01-24 | Wilson James Denson JrChief Revenue Officer | Grant or award A | +14,163 | – | 129,536 | Form 4 |
| 2025-01-20 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −6,395 | 10.19 | 776,218 | Form 4 |
| 2025-01-20 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −765 | 10.19 | 103,485 | Form 4 |
| 2025-01-13 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −6,018 | 10.01 | 782,613 | Form 4 |
| 2024-12-31 | Nair BalanDirector | Grant or award A | +14,406 | – | 111,564 | Form 4 |
| 2024-12-31 | Jacqueline Hourigan RiceDirector | Grant or award A | +14,406 | – | 30,755 | Form 4 |
| 2024-12-31 | Jacqueline Hourigan RiceDirector | Gift G | −16,349 | – | 14,406 | Form 4 |
| 2024-12-31 | Huss H FenwickDirector | Grant or award A | +14,406 | – | 93,791 | Form 4 |
| 2024-12-31 | Walker Kathryn ADirector | Grant or award A | +14,406 | – | 84,854 | Form 4 |
| 2024-12-31 | McCray Gregory JamesDirector | Grant or award A | +14,406 | – | 59,084 | Form 4 |
| 2024-12-31 | Theodosopoulos NikosDirector | Grant or award A | +14,406 | – | 39,295 | Form 4 |
| 2024-11-17 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −16,773 | 7.75 | 788,631 | Form 4 |
| 2024-11-17 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −2,340 | 7.75 | 104,250 | Form 4 |
| 2024-11-16 | Stanton Thomas RDirector, Chairman & CEO | Shares withheld for tax F | −5,572 | 7.75 | 805,404 | Form 4 |
| 2024-11-16 | Wilson James Denson JrChief Revenue Officer | Shares withheld for tax F | −794 | 7.75 | 106,590 | Form 4 |
How to read it
- Buy, sale
- Code P and S on the form: shares bought or sold in the market, at the market price. The other codes are mostly pay (a grant, an option exercised) or tax (shares the company withheld), and say little about what the insider thinks of the price.
- Plan
- A sale or purchase under a Rule 10b5-1 plan, set up in advance and running on its own schedule. Since April 2023 the form has a box for it. Much executive selling is planned and says more about diversifying than about the company.
- Holds after
- The shares the insider still held after the trade, in the form the trade was in (directly, or indirectly through a trust or a fund).
- Value
- Shares times the price the form reports, which is often an average over several fills on the day.
Read from the SEC's own quarterly data sets of Forms 3, 4 and 5, and from each day's filings since the last one. A correcting amendment replaces the lines it restates. Every row links to its filing. None of this is advice: insiders sell for many reasons, and buy for fewer.