ALT — Insider Trading Activity
One insider at ALT put personal money into the stock on the open market this window, led by the CEO, with nobody selling.
What this means for ALT
ALT 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 CEO (< $100K). That insider’s track record: past buys beat the S&P 500 0 of 2 times (avg −28% vs S&P over 6 mo). Overall credibility score: 18/100 (Low).
By the numbers. One insider filed 1 open-market purchase at ALT over the window, 15,000 shares in all at an average of $2.95 a share, most recently on August 13, 2026. No insider sold ALT 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.
ALT 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 ALT in this window.
- AWRE insider trading — 1 buyer, credibility 23/100
- AMPG insider trading — 1 buyer, credibility 20/100
- INLX insider trading — 2 buyers, credibility 8/100
- ANIK insider trading — 1 buyer, credibility 12/100
- LIN insider trading — 1 buyer, credibility 15/100