Form 4: Tempus AI CEO Sells Shares
Insider Transaction (Form 4)
Eric P Lefkofsky, CEO and Chairman, a Director and 10% owner of Tempus AI, Inc., sold 200,000 shares of common stock on September 17, 2026.
Summary
- Open-market sale: disposed of 52,558 Class A Common Stock at $80.52 ($4,231,970) on September 17, 2026; holds 8,607,725 after (Indirect).
- Open-market sale: disposed of 4,942 Class A Common Stock at $81.09 ($400,747) on September 17, 2026; holds 8,602,783 after (Indirect).
- Open-market sale: disposed of 123,391 Class A Common Stock at $80.52 ($9,935,443) on September 17, 2026; holds 14,997,078 after (Indirect).
- Open-market sale: disposed of 11,609 Class A Common Stock at $81.09 ($941,374) on September 17, 2026; holds 14,985,469 after (Indirect).
- Open-market sale: disposed of 6,855 Class A Common Stock at $80.52 ($551,965) on September 17, 2026; holds 810,276 after (Indirect).
- Open-market sale: disposed of 645 Class A Common Stock at $81.09 ($52,303) on September 17, 2026; holds 809,631 after (Indirect).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $16,113,802 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Eric P Lefkofsky — Director, Officer (CEO and Chairman), 10% owner
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-17 | Open-market sale | Class A Common Stock | 52,558 | $81 | $4.2M | 8,607,725 |
| 2026-09-17 | Open-market sale | Class A Common Stock | 4,942 | $81 | $400.7K | 8,602,783 |
| 2026-09-17 | Open-market sale | Class A Common Stock | 123,391 | $81 | $9.9M | 14,997,078 |
| 2026-09-17 | Open-market sale | Class A Common Stock | 11,609 | $81 | $941.4K | 14,985,469 |
| 2026-09-17 | Open-market sale | Class A Common Stock | 6,855 | $81 | $552.0K | 810,276 |
| 2026-09-17 | Open-market sale | Class A Common Stock | 645 | $81 | $52.3K | 809,631 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-17 | Open-market sale (52,558 shares) |
| 2026-09-17 | Open-market sale (4,942 shares) |
| 2026-09-17 | Open-market sale (123,391 shares) |
| 2026-09-17 | Open-market sale (11,609 shares) |
| 2026-09-17 | Open-market sale (6,855 shares) |
| 2026-09-17 | Open-market sale (645 shares) |
Keywords
insider transaction, Form 4, TEM, Tempus AI, Inc., bearish, Eric P Lefkofsky
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