VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS ★

PRICE: 5 CENTS

Sunday, December 14, 2025

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Tool Comparison

CatalystWire vs Insider Monitor comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

CatalystWire adds News coverage that Insider Monitor skips.

Insider Monitor includes Insider Data categories that CatalystWire omits.

Insider Monitor keeps a free entry point that CatalystWire lacks.

In depth comparison

CatalystWire logo

CatalystWire

catalystwire.co

RNS-first discovery tool for UK equities. Uses AI to scan and categorize London Stock Exchange RNS announcements in real time (e.g., management changes, turnarounds). Best suited to event‑driven and small/mid‑cap investors tracking UK market catalysts. Public docs do not show a pricing table or API; fields left intentionally minimal pending vendor confirmation.

Platforms

Web

Pricing

Subscription

Quick highlights

  • AI scanning of hundreds of RNS announcements per day to surface potential catalysts.
  • Real‑time classification of market‑moving events as they are released.
  • UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM).

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Insider Monitor logo

Insider Monitor

insider-monitor.com

Free, U.S.-focused insider‑trading tracker centered on SEC Forms 3/4/5. Provides near‑real‑time (‘minutes or seconds’ after filing) feeds of insider purchases/sales, weekly/monthly Top‑10 lists, and “officer cluster buys” over the past two weeks. Includes company and trader pages with CIK cross‑references and direct links to the SEC for each transaction. No login, alerts, or API are advertised; this is a lightweight, public reference site.

Platforms

Web

Pricing

Free

Quick highlights

  • Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day.
  • Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks.
  • Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases.
  • Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020.
  • Company & trader dossiers: symbol/issuer pages and insider pages with year/month summaries and per‑trade details, including CIK references and SEC source links.

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Where they differ

CatalystWire

Distinct strengths include:

News
  • AI scanning of hundreds of RNS announcements per day to surface potential catalysts.
  • Real‑time classification of market‑moving events as they are released.
  • UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM).

Insider Monitor

Distinct strengths include:

Insider Data
  • Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day.
  • Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks.
  • Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases.
  • Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020.

Feature-by-feature breakdown

AttributeCatalystWireInsider Monitor
Categories

Which research workflows each platform targets

Shared: Regulatory Filings Monitoring

Unique: News

Shared: Regulatory Filings Monitoring

Unique: Insider Data

Asset types

Supported asset classes and universes

Stocks

Stocks, Closed-End Funds

Experience levels

Who each product is built for

Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web

Web

Pricing

High-level pricing models

Subscription

Free

Key features

Core capabilities called out by each vendor

Unique

  • AI scanning of hundreds of RNS announcements per day to surface potential catalysts.
  • Real‑time classification of market‑moving events as they are released.
  • UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM).

Unique

  • Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day.
  • Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks.
  • Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases.
  • Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020.
  • Company & trader dossiers: symbol/issuer pages and insider pages with year/month summaries and per‑trade details, including CIK references and SEC source links.
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Frequently Asked Questions

Which workflows do CatalystWire and Insider Monitor both support?

Both platforms cover Regulatory Filings Monitoring workflows, so you can research those use cases in either tool before digging into the feature differences below.

Which tool offers a free plan?

Insider Monitor offers a free entry point, while CatalystWire requires a paid subscription. Review the pricing table to see how the paid tiers compare.

How can you access CatalystWire and Insider Monitor?

Both CatalystWire and Insider Monitor prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

CatalystWire differentiates itself with AI scanning of hundreds of RNS announcements per day to surface potential catalysts., Real‑time classification of market‑moving events as they are released., and UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM)., whereas Insider Monitor stands out for Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day., Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks., and Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases..

Keep exploring

Keep exploring

Stay on top of related tools

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.

Recommended tools

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Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.