There have been 50 recent insider transactions recorded for ADTRAN Holdings, Inc. (ADTN), including 20 buys and 28 sells. Total insider buying was valued at $449.75K and total insider selling at $7.37M.
Notable insiders with recent activity include Glingener Christoph, Dopfer Ulrich, Stanton Thomas R. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ADTN
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-05-15 |
Glingener Christoph |
CEO of Adva |
Disposition |
85,383 |
$19.08 |
$1.63M |
- |
| 2026-05-15 |
Dopfer Ulrich |
Chief Financial Officer |
Disposition |
124,641 |
$19.08 |
$2.38M |
- |
| 2026-04-01 |
Stanton Thomas R |
Chairman & CEO |
RSU Award |
170,723 |
- |
- |
1,126,554 |
| 2026-04-01 |
Wilson James Denson Jr |
Chief Revenue Officer |
RSU Award |
24,908 |
- |
- |
152,609 |
| 2026-04-01 |
Santo Timothy P |
SVP of Finance; CFO |
RSU Award |
28,252 |
- |
- |
53,345 |
| 2026-03-19 |
Santo Timothy P |
SVP of Finance; CFO |
Tax Withholding of RSU |
1,501 |
$11.90 |
$17.86K |
25,093 |
| 2026-03-04 |
Jacqueline Hourigan Rice |
Director |
Informative Sell |
14,406 |
$10.29 |
$148.24K |
13,809 |
| 2026-01-26 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
14,409 |
$9.73 |
$140.2K |
939,905 |
| 2026-01-26 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
998 |
$9.73 |
$9.71K |
125,233 |
| 2026-01-26 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
12,407 |
$9.24 |
$114.64K |
955,471 |
| 2026-01-26 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
1,087 |
$9.24 |
$10.04K |
127,923 |
| 2026-01-26 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
1,309 |
$9.24 |
$12.1K |
127,701 |
| 2026-01-24 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
17,535 |
$9.55 |
$167.46K |
954,314 |
| 2026-01-24 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
1,227 |
$9.55 |
$11.72K |
126,231 |
| 2026-01-20 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
10,247 |
$9.24 |
$94.68K |
971,849 |
| 2026-01-20 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
765 |
$9.24 |
$7.07K |
127,458 |
| 2025-12-31 |
Huss H Fenwick |
Director |
RSU Award |
13,809 |
- |
- |
107,600 |
| 2025-12-31 |
Walker Kathryn A |
Director |
RSU Award |
13,809 |
- |
- |
98,663 |
| 2025-12-31 |
Mccray Gregory James |
Director |
RSU Award |
13,809 |
- |
- |
72,893 |
| 2025-12-31 |
Nair Balan |
Director |
RSU Award |
13,809 |
- |
- |
125,373 |
| 2025-12-31 |
Theodosopoulos Nikos |
Director |
RSU Award |
13,809 |
- |
- |
65,963 |
| 2025-12-31 |
Jacqueline Hourigan Rice |
Director |
RSU Award |
13,809 |
- |
- |
28,215 |
| 2025-11-28 |
Santo Timothy P |
SVP of Finance; CFO |
Informative Buy |
6,150 |
$8.02 |
$49.32K |
26,594 |
| 2025-11-26 |
Theodosopoulos Nikos |
Director |
Informative Buy |
12,859 |
$7.81 |
$100.43K |
52,154 |
| 2025-11-24 |
Stanton Thomas R |
Chairman & CEO |
Informative Buy |
40,928 |
$7.33 |
$300K |
982,096 |
| 2025-11-17 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
3,355 |
$7.33 |
$24.59K |
941,168 |
| 2025-11-17 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
468 |
$7.33 |
$3.43K |
128,223 |
| 2025-07-13 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
5,663 |
$9.20 |
$52.1K |
944,523 |
| 2025-05-15 |
Glingener Christoph |
CEO of Adva |
Disposition |
107,172 |
$12.17 |
$1.3M |
- |
| 2025-05-15 |
Dopfer Ulrich |
Chief Financial Officer |
Disposition |
61,830 |
$12.17 |
$752.47K |
- |
| 2025-04-13 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
5,408 |
$7.62 |
$41.21K |
950,186 |
| 2025-03-19 |
Santo Timothy P |
SVP of Finance; CFO |
RSU Award |
20,444 |
- |
- |
20,444 |
| 2025-03-10 |
Santo Timothy P |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-01-26 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
9,536 |
$10.31 |
$98.32K |
955,594 |
| 2025-01-26 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
845 |
$10.31 |
$8.71K |
128,691 |
| 2025-01-26 |
Dopfer Ulrich |
Chief Financial Officer |
Tax Withholding of RSU |
1,167 |
$10.31 |
$12.03K |
48,195 |
| 2025-01-24 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
10,307 |
$10.31 |
$106.27K |
805,286 |
| 2025-01-24 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
4,208 |
$10.31 |
$43.38K |
115,373 |
| 2025-01-24 |
Glingener Christoph |
Chief Technology Officer |
RSU Award |
13,907 |
- |
- |
32,775 |
| 2025-01-24 |
Dopfer Ulrich |
Chief Financial Officer |
Tax Withholding of RSU |
4,613 |
$10.31 |
$47.56K |
32,978 |
| 2025-01-24 |
Stanton Thomas R |
Chairman & CEO |
RSU Award |
39,735 |
- |
- |
815,953 |
| 2025-01-20 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
6,395 |
$10.19 |
$65.17K |
776,218 |
| 2025-01-20 |
Wilson James Denson Jr |
Chief Revenue Officer |
Tax Withholding of RSU |
765 |
$10.19 |
$7.8K |
103,485 |
| 2025-01-13 |
Stanton Thomas R |
Chairman & CEO |
Tax Withholding of RSU |
6,018 |
$10.01 |
$60.24K |
782,613 |
| 2024-12-31 |
Huss H Fenwick |
Director |
RSU Award |
14,406 |
- |
- |
93,791 |
| 2024-12-31 |
Walker Kathryn A |
Director |
RSU Award |
14,406 |
- |
- |
84,854 |
| 2024-12-31 |
Mccray Gregory James |
Director |
RSU Award |
14,406 |
- |
- |
59,084 |
| 2024-12-31 |
Nair Balan |
Director |
RSU Award |
14,406 |
- |
- |
111,564 |
| 2024-12-31 |
Theodosopoulos Nikos |
Director |
RSU Award |
14,406 |
- |
- |
39,295 |
| 2024-12-31 |
Jacqueline Hourigan Rice |
Director |
Gift (Given) |
16,349 |
- |
- |
14,406 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry