ADTRAN Holdings Inc.
Last updated September 27, 2026
Organization details
- Legal name
- ADTRAN Holdings Inc.
- Former names
- Adtran Inc
- Ownership
- Public
- Status
- Active
- SIC code
- 3661 — Telephone & Telegraph Apparatus
- Headquarters city
- Huntsville
- Headquarters state / province
- Alabama
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- ADTN
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000926282
- EIN
- 87-2164282
Board of directors
-
Anne DelSanto · DirectorSince 2026
-
Balan Nair · DirectorSince 2023
-
Brian Protiva · DirectorSince 2023
-
Gregory James McCray · DirectorSince 2023
-
H. Fenwick Huss · DirectorSince 2023
-
Hourigan Rice Jacqueline · DirectorSince 2023
-
Johanna Hey · DirectorSince 2023
-
Kathryn A. Walker · DirectorSince 2023
-
Nikos Theodosopoulos · DirectorSince 2023
-
Thomas R. Stanton · Director · Chairman & CEOSince 2023
Chief executives
Thomas R. Stanton
· Chairman & CEO
Dates unknown
Director election results
Annual meeting of May 13, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
91.2%
-
93.6%
-
95.3%
-
95.5%
-
97.1%
Board connections
4 of this board's directors also sit on 7 other boards.
- via Anne DelSanto
- via Nikos Theodosopoulos
- via Gregory James McCray
- via Balan Nair
- via Gregory James McCray
- via Nikos Theodosopoulos
- via Balan Nair
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.
- Bought, last 12 months
- $499,754
- 4 purchases by 3 insiders
- Sold, last 12 months
- $2,505,449
- 5 sales by 3 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 10, 2026 | Glingener Christoph Officer (Chief Technology Officer) | Grant or award | +27,924 | — | — |
| Aug 6, 2026 | Santo Timothy P Officer (SVP of Finance; CFO) | Open-market purchase | +6,579 | $7.60 | $50,000 |
| Jul 24, 2026 | Glingener Christoph Officer (Chief Technology Officer) | Grant or award | +9,384 | — | — |
| Jul 1, 2026 | Anne DelSanto Director | Grant or award | +4,399 | — | — |
| May 20, 2026 | Wilson James Denson Jr Officer (Chief Revenue Officer) | Open-market sale | −9,332 | $14.72 | $137,367 |
| May 20, 2026 | Wilson James Denson Jr Officer (Chief Revenue Officer) | Gift | −10,469 | — | — |
| May 8, 2026 | Glingener Christoph Officer (Chief Technology Officer) | Option exercise | +22,277 | $12.17 | $271,111 |
| May 8, 2026 | Glingener Christoph Officer (Chief Technology Officer) | Open-market sale | −22,277 | $15.00 | $334,155 |
| May 7, 2026 | Glingener Christoph Officer (Chief Technology Officer) | Option exercise | +41,220 | $7.01 | $288,952 |
| May 7, 2026 | Glingener Christoph Officer (Chief Technology Officer) | Open-market sale | −41,220 | $14.73 | $607,171 |
| May 7, 2026 | Glingener Christoph Officer (Chief Technology Officer) | Option exercise | +84,895 | $12.17 | $1,033,172 |
| May 7, 2026 | Glingener Christoph Officer (Chief Technology Officer) | Open-market sale | −84,895 | $15.06 | $1,278,519 |
| Apr 1, 2026 | Wilson James Denson Jr Officer (Chief Revenue Officer) | Grant or award | +24,908 | — | — |
| Apr 1, 2026 | Santo Timothy P Officer (SVP of Finance; CFO) | Grant or award | +28,252 | — | — |
| Apr 1, 2026 | Thomas R. Stanton Director, Officer (Chairman & CEO) | Grant or award | +170,723 | — | — |
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