The Form 4 filing, a report of insider stock trades, was filed on October 29, 2026. It covers sales made on October 27, 2026, by Eric P. Lefkofsky, Tempus AI's CEO and chairman.
Transaction details
| Transaction | |
|---|---|
| Date of Earliest Transaction | 2026-10-27 |
| Date of Latest Transaction | 2026-10-27 |
| Buy/Sell | sell |
| Transaction Count | 24 |
| Shares Transacted | 250,000 |
| Price | $70.36 |
| Total Transaction Value | $17,589,636.70 |
| Insider | |
| Ticker Symbol | TEM |
| Company | Tempus AI, Inc. |
| Insider Name | LEFKOFSKY ERIC P |
| Insider Title | CEO and Chairman |
| Sector - Industry | Other - Unclassified |
| Holdings | |
| Total Shares Owned After Transaction | 50,000 |
| Position Size Change | 83.33% |
| Filing | |
| Filing Date | 2026-10-29 |
| SEC Link | View filing |
FAQ
What type of transaction is this?
These were sales of Tempus AI (TEM) stock, reported under transaction code S. The activity spans 24 transactions by one insider in one filing.
What was the average price of the transaction?
The average sale price was $70.36 per share, rounded from $70.3585468. That average covers the 24 reported transactions. Prices for the individual sales were not available.
How did this transaction affect the insider's holdings?
He sold 250,000 shares, leaving a reported balance of 50,000 shares. The sales represented 83.33% of the 300,000 shares held before the sales.
What's the total transaction value?
The total sale value was $17,589,636.70 for all 24 transactions.
Are there any special circumstances around this transaction?
The available information includes a Rule 10b5-1 trading-plan reference. These plans set trading instructions in advance. No footnote text was available to confirm which of the 24 sales the reference covers. The plan's start date and trading schedule are unknown. The reference alone does not establish whether the plan met the rule's legal requirements.
For research purposes only; not investment advice.