Thomas R Stanton insider trades: ADTRAN Holdings (ADTN) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Thomas reports to the SEC
Open-market buys and sales
9 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Nov 24, 2025 | ADTN | ↑ Buy | 40,928 | $7.33 | $300K | Direct | Nov 25, 2025 (1d) |
| Dec 7, 2022 | ADTN | ↑ Buy | 652 | $19.21 | $13K | Direct | Dec 9, 2022 (2d) |
| Sep 4, 2022 | ADTN | ↑ Buy | 296 | $22.90 | $7K | Direct | Sep 6, 2022 (2d) |
| Apr 28, 2015 | ADTN | ↑ Buy | 31,200 | $16.05 | $501K | Direct | Apr 29, 2015 (1d) |
| Jan 26, 2011 | ADTN | ↓ Sell | 210,634 | $41.50 | $8.7M | Direct | Jan 28, 2011 (2d) |
| May 25, 2010 | ADTN | ↓ Sell | 33,502 | $26.94 | $903K | Direct | May 27, 2010 (2d) |
| Apr 24, 2009 | ADTN | ↓ Sell | 100,000 | $21.00 | $2.1M | Direct | Apr 24, 2009 (0d) |
| Aug 11, 2008 | ADTN | ↓ Sell | 70,616 | $24.07 | $1.7M | Direct | Aug 12, 2008 (1d) |
| May 7, 2007 | ADTN | ↓ Sell | 30,888 | $25.55 | $789K | Direct | May 7, 2007 (0d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other ADTN insiders
Open-market trades in the last 12 months
About Thomas R Stanton's insider trades
Thomas R Stanton is Chairman & CEO at ADTRAN Holdings (ADTN). Since May 7, 2007, Thomas has reported 4 open-market purchases worth $820K and 5 sales worth $14.2M on SEC Form 4. In the last 12 months: 1 buy ($300K).
Their filings also include grants and awards (71 filings), shares withheld for taxes (33 filings), option exercises (8 filings), shares returned to the company (2 filings). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every ADTN insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.