ADTN — Insider Trading Activity
One insider at ADTN put personal money into the stock on the open market this window, led by the CFO, with nobody selling.
What this means for ADTN
ADTN is not showing a cluster buy or a step-change versus its own baseline, so what the window amounts to is a single insider acting alone. Who is buying. The most credible buyer in this window is the company’s CFO (< $100K), growing their stake by 12%. That insider’s track record: past buys beat the S&P 500 1 of 1 time (avg +97% vs S&P over 6 mo). Overall credibility score: 25/100 (Low).
By the numbers. One insider filed 1 open-market purchase at ADTN over the window, 6,579 shares in all at an average of $7.60 a share, most recently on August 6, 2026. No insider sold ADTN stock on the open market in that period.
How we read these filings — which transaction codes count, how the cluster and credibility thresholds are set, and what the signals have and haven’t predicted — is written up in the insider trading methodology.
ADTN insider filings, one by one
The single Form 4 filing from the last 90 days, with share count, dollar amount and date.
Other tickers with the same signal
Companies of a comparable size whose Form 4 filings tripped the same insider buying flag as ADTN in this window.
- CSWC insider trading — 1 buyer, credibility 13/100
- HWBK insider trading — 1 buyer, credibility 16/100
- CLIK insider trading — 1 buyer, credibility 22/100
- ATO insider trading — 1 buyer, credibility 15/100
- ALCO insider trading — 1 buyer, credibility 16/100