Know What CEOs Are Buying.
In Seconds, Not Days.
Every Form 4 filing across 17,325+ public companies — parsed, scored for conviction, and delivered to your inbox in under 60 seconds.
All data sourced directly from SEC EDGAR.
SEC Form 4 Feed
Jensen Huang
CEO
NVDA
+$4,240,000
2m ago
Tim Cook
CEO
AAPL
+$2,710,000
14m ago
Satya Nadella
CEO
MSFT
+$1,420,000
41m ago
Andy Jassy
CEO
AMZN
+$1,100,000
1h ago
Mark Zuckerberg
CEO
META
+$3,830,000
2h ago
Source: SEC Form 4 Filings. Data updated every 15 seconds.
Three Steps. Under 60 Seconds.
Monitor
17,325+ public companies. Every Form 3, Form 4, and Schedule 13D filed with the SEC. Continuous monitoring, no gaps.
Analyze
80% of insider filings are routine compensation or pre-scheduled 10b5-1 plans. Our scoring model isolates the 20% that signal genuine conviction — and tells you why.
Deliver
Filing to inbox: under 60 seconds. The average retail investor sees the same data 24–48 hours later. 25% of abnormal returns from insider purchases accrue within 5 trading days.
Why Insider Buying Matters
10.2%
Annual Outperformance
Corporate insider purchase portfolios outperformed the market by 10.2% per year over the study period.
Source: Jeng, Metrick & Zeckhauser, Harvard/Wharton, 1999
25%
Returns in First 5 Days
One quarter of abnormal returns following insider purchases accrue within the first 5 trading days of the filing. Speed of delivery is not a feature — it is the thesis.
Source: Jeng, Metrick & Zeckhauser, Harvard/Wharton, 1999
60%
Predictive of 1-Year Returns
Aggregate insider trading activity predicts up to 60% of variation in one-year-ahead market returns.
Source: Seyhun, Journal of Law and Economics, 1992
NVDA / NVIDIA Corp
BUY
SEC Form 4
Transaction Data
AI Analysis
CONTEXT
340% above historical average purchase size for this executive.
HISTORICAL PERFORMANCE
Huang's last 3 purchases preceded an average 18% 60-day price gain.
SENTIMENT SCORE
“Huang's purchase is the largest individual open-market buy since Q2 2026, signaling immense internal confidence in upcoming product cycles.”
$4.2B
Tracked Monthly
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Alerts Sent (24h)
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Companies Monitored
See the Pattern
Insider Buying vs Stock Price (S&P 500)
Monthly Insider Buying Activity ($B)
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25-page analysis
- Insider buying history (12 months)
- Financial health breakdown
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The CEO Alpha Report
50,247 CEO stock purchases. 12 years of data. 7 filters that separated the 23.4% winners from the noise.
- Every CEO purchase that scored 75+ conviction in the last 30 days
- The 7-filter methodology: what we track, how we score it, what we ignore
- Sector-by-sector insider sentiment — which industries executives are buying into
- One explicit verdict per featured stock: BUY, CAUTION, or WAIT
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Last week: 847 Form 4 filings. 23 triggered high-conviction alerts. Free users received the digest on Monday.
Frequently Asked Questions
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