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Who

Eric P. Lefkofsky

CEO and Chairman

Company insider

Files Form 4 as: CEO and Chairman, Tempus AI; Chief Executive Officer, Groupon; Director and 10% owner, Echo Global Logistics; Director, Innerworkings.

In numbers

Trades disclosed
597
Buys
18
Sells
127
Bought
$14.0M
Sold
$931.3M
Companies
4
Companies where not an officer
2
First trade
8 Sep 2008
Last trade
22 Sep 2026
Last filed
24 Sep 2026

Companies traded

Where they are an officer
TEM Tempus AIDirector, Officer, 10% owner · IT Services & Consulting · last 22 Sep 20260 buys · 43 sells
GRPN GrouponDirector, Officer, 10% owner · Advertising & Marketing · last 14 May 20243 buys · 54 sells
Everywhere else they filed: board seats, 10% stakes, other companies
Echo Global LogisticsDirector, 10% owner · last 3 Jan 201412 buys · 24 sells
InnerworkingsDirector · last 15 Aug 20123 buys · 6 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
90Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$566K7,394 at $76.57filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$342K4,420 at $77.29filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$164K2,091 at $78.23filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$1,89324 at $78.86filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$492K6,431 at $76.57filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$2.3M29,367 at $77.29filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$1.1M14,042 at $78.23filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$13K160 at $78.86filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$2.6M33,770 at $77.29filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$1.3M16,152 at $78.23filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$15K184 at $78.86filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$1.3M17,359 at $76.57filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$6.1M79,259 at $77.29filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$3.0M37,950 at $78.23filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$34K432 at $78.86filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$74K965 at $76.57filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$566K7,394 at $76.57filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$2.6M33,770 at $77.29filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$1.3M16,152 at $78.23filing
22 Sep 2026filed 24 Sep 2026TEM Tempus AIIT Services & ConsultingSEC FORM 4 Sold$15K184 at $78.86filing

The newest 500 lines are listed; the numbers count every line.

Sectors

Communications57
Technology43
Not placed45

Buys in green, sells in red, by the company’s sector.

Related people

Thomas Edward SchoenherrCEO, Diagnostics · CEO, Diagnostics at Tempus AI, filing Form 4 there in the last year
Kyle NetzlyChief Accounting Officer · Chief Accounting Officer at Groupon, filing Form 4 there in the last year
Andrew PolovinEVP, Chief Legal Officer · EVP, Chief Legal Officer at Tempus AI, filing Form 4 there in the last year
Ryan FukushimaCEO, Data · CEO, Data at Tempus AI, filing Form 4 there in the last year
Ryan M. BartolucciChief Accounting Officer · Chief Accounting Officer at Tempus AI, filing Form 4 there in the last year
David R. EpsteinDirector · Also traded TEM in the last 90 days
Jennifer A. DoudnaDirector · Also traded TEM in the last 90 days
Nadja WestDirector · Also traded TEM in the last 90 days