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insider-trading

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Get insider trading activity (SEC Form 4 filings) for one or more stocks. Use when user asks about insider buying/selling, executive transactions, insider sentiment, or Form 4 activity.

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How to use this skill

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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/staskh/trading_skills/blob/HEAD/.claude/skills/insider-trading/SKILL.md

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Insider Trading

Fetch recent insider transactions from Yahoo Finance (SEC Form 4 data).

Instructions

Note: If uv is not installed or pyproject.toml is not found, replace uv run python with python in all commands below.

uv run python scripts/insider_trading.py SYMBOLS [--days DAYS]

Arguments

  • SYMBOLS - Single ticker or comma-separated list (e.g., NVDA or NVDA,PLTR,GOOG)
  • --days - Trailing days to look back (default: 90)

Output

Returns JSON with:

  • transactions - List of insider trades with insider name, role, transaction type, shares, price, value, date, ownership type
  • summary - Net sentiment (net_buying, net_selling, neutral), buy/sell counts and values

For multiple symbols, results are ranked by net buying value (most buying first).

Use Cases

  • "Show me insider buys for NVDA in the last 90 days"
  • "Compare insider activity across NVDA, PLTR, GOOG"
  • "Which of these stocks has the most insider selling recently?"

Dependencies

  • yfinance

Timezone

All timestamps and time-based calculations must use the America/New_York timezone. All JSON output must include generated_at (NY time string) and data_delay fields.