
Form4Alpha — Insider Trading Alerts
Know when insiders buy - get alerts, AI takes & custom rules
What it does
Form4Alpha tracks every SEC Form 4 insider trade in real time. Unlike other insider-trading trackers, it does not stop at raw data: set custom alert rules combining ticker, price, value, cluster-buy detection, and insider role with AND/OR logic, and get one email when they match. Get an AI-generated take on any trade in 4 modes: Standard, Statistical, Skeptical, or Bold. Browsing is free forever — alerts and AI are the Pro upgrade.
Form4Alpha — SEC Form 4 insider trading tracker
Does the same job
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Commerce · 26d ago · equitybee.com
Launched alongside, August 2026
the whole month →- TL
Life & fun · 10d ago · louisabraham.github.io


- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io


I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 17d ago · simedw.com