Tempus AI Co-Founder Eric Lefkofsky Files Intent to Sell $7.77M in Class A Common Stock
TEM sits 27% above its 52-week low of $36.22.
Summary
Co-founder Eric Lefkofsky intends to sell $7.77 million worth of Tempus AI stock, continuing a pattern of insider sales.
Key Events · Ownership and Investor Activity · TEM
-
Co-Founder Files Intent to Sell
Eric Lefkofsky, a co-founder, officer, director, and 10% stockholder, has filed a Form 144 to sell 166,250 shares of Class A Common Stock.
-
Significant Proposed Sale Value
The proposed sale is valued at approximately $7.77 million, representing a notable insider disposition.
-
Continuation of Insider Selling Pattern
This filing is part of an ongoing trend, with Lefkofsky and related entities having already sold over $21 million in shares over the past three months.
Analysis · TEM · Technology
Eric Lefkofsky, a co-founder, officer, director, and 10% stockholder of Tempus AI, has filed a Form 144 indicating his intent to sell 166,250 shares of Class A Common Stock, valued at approximately $7.77 million. This proposed sale, executed through entities he manages, represents a notable insider disposition. This filing follows a pattern of insider sales over the past 90 days, with over $21 million in shares already sold by Lefkofsky and related entities. While the company recently announced a strategic collaboration, this ongoing insider selling could be perceived as a negative signal regarding long-term conviction, despite the company's reported revenue growth and narrowed losses.
How filings like this one have moved
In the 30 days to Sep 11, 2026, 30.5% of the 1996 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.21%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, TEM was trading at $45.88 on NASDAQ in the Technology sector, with a market capitalization of approximately $8.1B. The 52-week trading range was $36.22 to $104.32. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.