Developer releases three focused Apify actors for Docker, lead extraction, and SEC filings

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A developer has published three lightweight, single-purpose Apify actors, each built to query one official data source rather than function as a general-purpose scraper. The Docker Hub Image Tracker queries the Docker Hub v2 API to surface real changes to a repository — such as digest, size, architecture, or push timestamps — within a configurable time window. The Website Lead Extractor uses Crawlee's CheerioCrawler to crawl static or server-rendered sites and pull emails, phone numbers, and social profile links directly from raw HTML, without a headless browser. The Insider Trading Alert reads SEC EDGAR's structured XML feed of Form 4 filings, allowing users to filter insider stock transactions by ticker, transaction type, and minimum value. All three tools are available on Apify on a pay-per-event basis and access data directly from their respective official APIs.

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