| Date | Insider | Type | Value | |
|---|---|---|---|---|
| Apr 1, 26 | Santo Timothy P | Grant | - | |
| Apr 1, 26 | STANTON THOMAS R | Grant | - | |
| Apr 1, 26 | Wilson James Denson Jr | Grant | - | |
| Nov 28, 25 | Santo Timothy P | Buy | $49K | |
| Nov 26, 25 | Theodosopoulos Nikos | Buy | $100K | |
| Nov 24, 25 | STANTON THOMAS R | Buy | $300K | |
| Nov 17, 25 | STANTON THOMAS R | Other | $25K | |
| Nov 17, 25 | Wilson James Denson Jr | Other | $3K | |
| Jul 13, 25 | STANTON THOMAS R | Other | $52K | |
| Apr 13, 25 | STANTON THOMAS R | Other | $41K |
ADTRAN INC is seeing coordinated insider buying. 3 insiders purchased shares in the last 30 days, with total buy volume of $450K. Overall insider sentiment is bearish (86% sales).
ADTRAN INC (ADTN) has recorded 2 142 insider operations, including 33 open-market purchases ($2.2M), 198 sales ($114.2M) and 1 911 other operations (stock option exercises, grants, tax dispositions, donations). The insider sentiment is bearish (86% sales).
ADTRAN INC shows moderate insider activity with 4 active months out of the last 12, typical of a company whose trading windows are concentrated around financial disclosures.
Among the most active insiders are STANTON THOMAS R (CEO), Protiva Brian (CEO) & Foliano Michael (CFO), with respectively 244, 29, 164 transactions.
Across all 2 142 recorded transactions, the breakdown by type is: grant (995, 46%), exercise (572, 27%), sales (198, 9%), disposition (141, 7%), tax (138, 6%).
Data sourced from regulatory filings (SEC Form 4, AMF, BaFin, FI, and other European authorities).
ADTRAN INC has recorded 2 142 insider operations in total, including 33 open-market purchases ($2.2M), 198 sales ($114.2M) and 1 911 other operations (stock option exercises, grants, tax dispositions, donations). The most recent transaction was recorded on April 1, 2026.
Insiders at ADTRAN INC are currently net sellers, with 14% purchases and 86% sales across all reported transactions. Total buy volume is $2.2M versus $114.2M in sales, indicating a bearish insider sentiment.
InsiderLens tracks 42 insiders at ADTRAN INC (ADTN). STANTON THOMAS R (CEO, 244 tx), Protiva Brian (CEO, 29 tx), Foliano Michael (CFO, 164 tx). Data is sourced from mandatory regulatory filings for persons with access to privileged information.
The insider signal for ADTN is bearish, based on a 14% buy ratio across 231 buy and sell transactions reported to financial regulators. Transactions from C-suite executives (CEO, CFO) and board members are generally considered the most informative signals.
Insider trading data for ADTRAN INC comes from official regulatory filings: SEC Form 4 (United States), AMF (France), BaFin (Germany), FI (Sweden), and other European financial authorities. These filings are mandatory for directors, officers, and holders of more than 10% of a company's shares. InsiderLens aggregates and normalizes this data for analysis.