Tempus AI ($TEM) CEO & Chairman Eric Lefkofsky Sells $19.37M in Stock Under 10b5-1 Plan
Tempus AI, Inc.
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Filing Summary
# Insider Trade Alert: Tempus AI, Inc. ($TEM)
**Insider:** Eric P. Lefkofsky (CEO and Chairman, 10% Owner)
**Transaction Date:** September 22, 2026
**Filing Date:** September 24, 2026
### Transaction Summary
* **Action:** Open Market Sale (Rule 10b5-1 Plan)
* **Shares Sold:** 250,000
* **Average Price:** ~$77.47 (Price range: $75.83 - $78.90)
* **Total Transaction Value:** $19,366,629.62
* **Post-Transaction Holdings:** 36,396,625 shares (Direct & Indirect)
### Significance
High — Large-scale scheduled monetization by the CEO and Chairman totaling ~$19.4M across multiple affiliated entities and foundations, executed pursuant to a pre-established Rule 10b5-1 trading plan adopted on March 8, 2026.
Comprehensive Analysis
Executive Summary
On September 24, 2026, Eric P. Lefkofsky, CEO, Chairman, and 10% Owner of Tempus AI, Inc. ($TEM), disclosed the sale of 250,000 shares of Class A Common Stock. The sales were executed on September 22, 2026, at weighted average prices ranging from $76.57 to $78.86 per share, generating gross proceeds of approximately $19.37 million.
Transaction Details
The disposals occurred across four affiliated indirect entities controlled or overseen by Lefkofsky:
- Gray Media, LLC: Sold 57,500 shares across multiple price tranches ($76.57–$78.86), leaving 8,545,283 shares remaining.
- Blue Media, LLC: Sold 135,000 shares across multiple price tranches ($76.57–$78.86), leaving 14,850,469 shares remaining.
- Lefkofsky Family Foundation: Sold 7,500 shares across multiple price tranches ($76.57–$78.86), leaving 802,131 shares remaining.
- Vas.org Foundation: Sold 50,000 shares across multiple price tranches ($76.57–$78.86), leaving 100,000 shares remaining.
All sales were transacted pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 8, 2026.
Post-Transaction Holdings
Following the transactions, Lefkofsky maintains substantial equity ownership totaling 36,396,625 shares of Class A Common Stock:
- Direct Ownership: 2,098,130 shares
- Indirect Holdings:
- Blue Media, LLC: 14,850,469 shares
- Gray Media, LLC: 8,545,283 shares
- Lefkofsky Family 2025 GRAT: 5,715,203 shares
- Lefkofsky Family 2026 GRAT: 4,284,797 shares
- Lefkofsky Family Foundation: 802,131 shares
- Vas.org Foundation: 100,000 shares
- 346 Long LLC: 406 shares
- Black Media, LLC: 206 shares
Market Impact & Significance
This trade is evaluated as High significance strictly due to the executive's role (Founder/CEO/Chairman) and the significant dollar proceeds (~$19.37M). However, the sale represented less than 1% of his combined direct and indirect equity stake, and execution was governed by a pre-planned 10b5-1 plan adopted months earlier.
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Important Disclaimer
This content is drawn from public SEC filings and may contain errors. It is for informational purposes only and is not investment, legal, or tax advice.
Nothing here is a recommendation to buy, sell, or hold any security. Do your own due diligence.