Tempus AI, Inc. insider trading

Every open-market purchase and sale by Tempus AI, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchases, 5 years $20.5M 11 trades by 1 insider 3 months later: median −21.7% (−22.6% vs S&P 500) Insider sales, 5 years $957M 185 trades by 15 insiders 3 months later: median +0.4% (+3.5% vs S&P 500)

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.

Tempus AI, Inc. insider open-market trades
Date	Insider	Trade	Shares	Price	Value	1M after	3M after	6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Tempus AI, Inc.’s insiders pay?

From December 12, 2024 to August 20, 2026, 11 insiders reported 0 open-market purchases and 50 sales not made under a pre-set plan in Tempus AI, Inc. After sales, the shares moved −8.3% against the index over 12 months (a negative figure means selling was the right call).

Tempus AI, Inc.: each insider's record
Insider	Role	12 months after their purchases	Beat the S&P 500	Sales	12 months after their sales	Latest report
Lefkofsky Eric P	CEO and Chairman	—	—	10	−30.6% (8)	August 20, 2026
Fukushima Ryan	CEO, Data	—	—	9	+1.2% (5)	August 20, 2026
Bartolucci Ryan M	Chief Accounting Officer	—	—	6	+21.1% (2)	August 20, 2026
Rogers James William	Chief Financial Officer	—	—	6	+1.6% (3)	May 21, 2026
Leonsis Theodore	Director	—	—	5	−30.6% (5)	August 28, 2025
Phelps Erik	EVP & Chief Admin & Legal Off	—	—	5	−12.7% (4)	November 20, 2025
Polovin Andrew	EVP, Chief Legal Officer	—	—	4	+1.6% (3)	May 21, 2026
Keywell Bradley A	10% owner	—	—	2	+36.5% (2)	January 17, 2025
Frederick Wayne A.I.	Director	—	—	1	—	December 9, 2025
Red Sky Ventures LLC	10% owner	—	—	1	+45.1% (1)	December 12, 2024
Schoenherr Thomas Edward	CEO, Diagnostics	—	—	1	—	May 21, 2026

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Tempus AI, Inc.

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Tempus AI, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After 1 selling crowd, +65.3%. One company's history is too short to judge by; the test across every company is the better guide.

Month	Crowd	3 months on, vs S&P 500	6 months	12 months
December 31, 2024	8 selling	+44.9%	+65.3%	+72.9%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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