CEO Karp's large-scale selling after derivative exercises is a notable signal, though the dollar amount is tiny relative to market cap. Given the model's poor track record on PLTR (avg -5.58% T+20 alpha, 38% win rate), this cluster should be treated as a modest negative signal rather than a strong bearish call. Watch for any subsequent Form 4 filings from other C-suite insiders — a broader cluster would amplify the bearish read.
Price Chart
Executive Summary
Palantir CEO Alexander Karp executed a massive derivative exercise and open-market sale cluster on August 20, 2026, selling ~492,000 shares for approximately $85.8M. Director Alexander Moore also sold $609K worth of shares on August 17. The total open-market sales of ~$86.4M represent about 0.02% of Palantir's $432B market cap — a trivial proportion, but the CEO's concentrated selling pattern warrants attention given the company's elevated valuation and the historical underperformance of prior neutral calls on this ticker.
Key Financial Metrics
Key Facts
- CEO Alexander Karp sold ~492,000 shares for ~$85.8M on August 20, 2026
- Director Alexander Moore sold 3,500 shares for $609K on August 17, 2026
- Total open-market sales: ~$86.4M, representing ~0.02% of $432B market cap
- Karp's sales followed derivative exercises/conversions of 2.4M shares at $0 (non-cash)
- Prior PLTR reports show avg T+20 alpha of -5.58% and 38% win rate, suggesting the model has been too optimistic
Financial Impact
CEO sold ~$85.8M of stock; director sold $609K; total insider selling ~$86.4M
Risk Factors
- CEO selling could signal peak valuation concerns
- Derivative exercises followed by immediate sales suggest tax-driven or liquidity planning, not necessarily bearish conviction
- Prior PLTR reports have underperformed, suggesting the stock may not react to insider sales as expected
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-PLTR-1787616205741 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 3, 2026 29d ago | Press Release | $182.53 $167.23 | ▼ −8.38% | ▼ −7.23% | $190.04 (+4.11%) |
Aug 25, 2026 5w ago | Insider Cluster | $172.73 $179.92 | ▲ +4.16% | ▲ +4.70% | $190.04 (+10.02%) |
Aug 25, 2026 5w ago | Insider Cluster | $172.73 $179.92 | ▼ −4.16% | ▼ −4.70% | $190.04 (−10.02%) |
Aug 11, 2026 7w ago | Insider Cluster | $174.94 $171.55 | ▼ −1.94% | ▼ −1.54% | $190.04 (+8.63%) |
Aug 11, 2026 7w ago | Insider Cluster | $174.94 $171.55 | ▼ −1.94% | ▼ −1.54% | $190.04 (+8.63%) |
Jul 2, 2026 13w ago | ANALYST-UPGRADE | $129.30 $129.04 | ▼ −0.20% | ▼ −1.13% | $190.04 (+46.98%) |
Jun 18, 2026 15w ago | Insider Cluster | $128.47 $107.27 | ▼ −16.50% | ▼ −14.84% | $190.04 (+47.93%) |
Jun 16, 2026 15w ago | ANALYST-UPGRADE | $133.25 $116.70 | ▼ −12.42% | ▼ −10.19% | $190.04 (+42.62%) |
Jun 3, 2026 17w ago | Insider Cluster | $142.21 $130.21 | ▼ −8.44% | ▼ −4.62% | $190.04 (+33.64%) |
May 23, 2026 18w ago | Insider Cluster | $136.61 $152.20 | ▲ +11.41% | ▲ +10.20% | $190.04 (+39.11%) |
US Market Status
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