ADTRAN Holdings, Inc (ADTN) insider trading
Every open-market stock purchase and sale by ADTRAN Holdings, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Timothy P Santo (CFO) bought $50K in the last 90 days, growing their stake 12%.
Last 12 months: insiders bought $500K (4 buys) and sold $2.5M (3 sales). Last close $6.69 on Oct 21, 2026.
Recent ADTN insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 10, 2026 | Christoph Glingener (CTO) | Bought (not open market) | — |
| Aug 6, 2026 | Timothy P Santo (CFO) | Bought | $50K |
| Jul 24, 2026 | Christoph Glingener (CTO) | Bought (not open market) | — |
| Jul 1, 2026 | Anne DelSanto (Insider) | Bought (not open market) | — |
| May 20, 2026 | James Denson Wilson Jr (C-suite exec) | Sold | $137K |
| May 20, 2026 | James Denson Wilson Jr (C-suite exec) | Sold (not open market) | — |
| May 8, 2026 | Christoph Glingener (CTO) | Sold | $334K |
| May 8, 2026 | Christoph Glingener (CTO) | Bought (not open market) | — |
| May 7, 2026 | Christoph Glingener (CTO) | Sold | $1.3M |
| May 7, 2026 | Christoph Glingener (CTO) | Sold | $607K |
| May 7, 2026 | Christoph Glingener (CTO) | Bought (not open market) | — |
| May 7, 2026 | Christoph Glingener (CTO) | Bought (not open market) | — |
| Apr 1, 2026 | Thomas R Stanton (CEO) | Bought (not open market) | — |
| Apr 1, 2026 | Timothy P Santo (CFO) | Bought (not open market) | — |
| Apr 1, 2026 | James Denson Wilson Jr (C-suite exec) | Bought (not open market) | — |
| Mar 19, 2026 | Timothy P Santo (CFO) | Sold (not open market) | $17.9K |
| Mar 4, 2026 | Hourigan Rice Jacqueline (Insider) | Sold | $148K |
| Jan 26, 2026 | Thomas R Stanton (CEO) | Sold (not open market) | $140K |
| Jan 26, 2026 | Thomas R Stanton (CEO) | Sold (not open market) | $115K |
| Jan 26, 2026 | James Denson Wilson Jr (C-suite exec) | Sold (not open market) | $12.1K |
| Jan 26, 2026 | James Denson Wilson Jr (C-suite exec) | Sold (not open market) | $10K |
| Jan 26, 2026 | James Denson Wilson Jr (C-suite exec) | Sold (not open market) | $9.7K |
| Jan 26, 2026 | James Denson Wilson Jr (C-suite exec) | Bought (not open market) | — |
| Jan 26, 2026 | Thomas R Stanton (CEO) | Bought (not open market) | — |
| Jan 24, 2026 | Thomas R Stanton (CEO) | Sold (not open market) | $167K |
Who's trading ADTN
- Christoph Glingener, CTO: sold $2.2M (3 sales), last Aug 10, 2026
- Timothy P Santo, CFO: bought $99.3K (2 buys), last Aug 6, 2026
- Anne DelSanto, Insider: other filings, last Jul 1, 2026
- James Denson Wilson Jr, C-suite exec: sold $137K (1 sale), last May 20, 2026
- Thomas R Stanton, CEO: bought $300K (1 buy), last Apr 1, 2026
- Hourigan Rice Jacqueline, Insider: sold $148K (1 sale), last Mar 4, 2026
- H Fenwick Huss, Insider: other filings, last Dec 31, 2025
- Nikos Theodosopoulos, Insider: bought $100K (1 buy), last Dec 31, 2025
- Kathryn A Walker, Insider: other filings, last Dec 31, 2025
- Gregory James McCray, Insider: other filings, last Dec 31, 2025
- Balan Nair, Insider: other filings, last Dec 31, 2025
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