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Stock Stalker

See every insider trade as it gets filed.

Executives, directors, and major shareholders are all required to disclose their trades to the SEC. Stock Stalker reads those Form 4 filings and turns them into something you can actually browse. Look up any company by name or ticker, see how much stock the people running it really hold, and get a push notification when someone on your watchlist files. The core features are free and your watchlist follows you between devices.

  • Search any company by name or ticker
  • See what executives actually hold
  • Every SEC Form 4 filing, parsed and readable
  • Push alerts when a watched insider files
  • Filing detail down to the individual trade
  • Watchlist synced across your devices
  • Free to use, no subscription needed

Built with

  • Expo SDK 55
  • React Native
  • Expo Router
  • TanStack Query
  • Firebase
  • Zustand