The CEO's post-earnings sale is a modest cautionary signal, but the dollar amount is immaterial relative to the $8.4B market cap. The strong Q2 beat and raised guidance are the dominant narrative. Traders should watch for any additional insider selling in the next 30 days; a pattern of sustained CEO selling would be more concerning. For now, the cluster does not negate the bullish earnings read.
Price Chart
Executive Summary
Tempus AI CEO Eric Lefkofsky and Director David Epstein sold a combined ~$862K in shares within a week of the company's strong Q2 2026 earnings report. The CEO's $846K sale is the dominant transaction, occurring just after the company reported its first GAAP-net-income quarter and raised guidance. While the earnings were bullish, the insider selling—especially by the CEO—introduces a cautionary signal that partially offsets the positive fundamental story.
Key Financial Metrics
Key Facts
- CEO Eric Lefkofsky sold 20,500 shares at ~$41.34 for ~$846K on 2026-07-28.
- Director David Epstein sold 370 shares at $43.40 for ~$16K on 2026-08-03.
- Total insider selling in the cluster: ~$862K, representing ~0.01% of Tempus AI's $8.4B market cap.
- The cluster follows Tempus AI's Q2 2026 earnings (8-K filed 2026-07-30), which showed revenue of $382.5M (+22% YoY), first GAAP net income of $5.6M, and raised FY2026 guidance to $1.595-$1.605B.
- The CEO's sale is an open-market transaction, not a tax-withholding or option exercise.
Financial Impact
~$862K in insider selling, or ~0.01% of market cap — trivial relative to company size.
Risk Factors
- CEO selling after strong earnings could signal peak valuation concerns or personal diversification needs.
- Historical performance on TEM reports shows poor T+20 outcomes (avg -25.6% alpha), suggesting the stock may be prone to mean-reversion after positive catalysts.
- The Personalis acquisition (~$1.5B) adds integration risk and potential dilution.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-TEM-1786003892883 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 3, 2026 28d ago | Insider Cluster | $64.62 $62.21 | ▼ −3.73% | ▼ −2.52% | $76.41 (+18.25%) |
Sep 3, 2026 28d ago | Insider Cluster | $64.62 $62.21 | ▼ −3.73% | ▼ −2.52% | $76.41 (+18.25%) |
Sep 1, 2026 4w ago | Insider Cluster | $62.27 $61.28 | ▼ −1.59% | ▼ −1.67% | $76.41 (+22.71%) |
Aug 28, 2026 5w ago | Insider Cluster | $64.04 $64.62 | ▼ −0.91% | ▼ −0.80% | $76.41 (−19.32%) |
Aug 25, 2026 5w ago | 144 | $68.48 $61.94 | ▲ +9.55% | ▲ +9.43% | $76.41 (−11.58%) |
Aug 25, 2026 5w ago | Insider Cluster | $68.73 $62.27 | ▼ −9.40% | ▼ −8.86% | $76.41 (+11.17%) |
Aug 21, 2026 6w ago | Insider Cluster | $72.69 $64.04 | ▲ +11.90% | ▲ +12.37% | $76.41 (−5.12%) |
Aug 19, 2026 6w ago | 144 | $66.65 $70.69 | ▲ +6.06% | ▲ +4.95% | $76.41 (+14.64%) |
Aug 18, 2026 6w ago | Insider Cluster | $49.36 $68.73 | ▼ −39.24% | ▼ −39.44% | $76.41 (−54.80%) |
Aug 11, 2026 7w ago | Insider Cluster | $55.69 $49.36 | ▼ −11.37% | ▼ −10.96% | $76.41 (+37.21%) |
US Market Status
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