Insider Trading & Ownership of Eric Paul Lefkofsky

Location
Wilmongton, DE
Summary
The estimated net worth of Eric Paul Lefkofsky is at least $1,998,179,305 dollars as of 27 Mar 2026. Eric Paul Lefkofsky is the CEO and Chairman, Director, 10%+ Owner of Tempus AI, Inc. and owns shares of Tempus AI, Inc. (TEM) stock worth about $1.96B. Eric Paul Lefkofsky is the 10%+ Owner of Groupon, Inc. and owns shares of Groupon, Inc. (GRPN) stock worth about $40.92M. Eric Paul Lefkofsky is the 10%+ Owner of Personalis, Inc. and owns shares of Personalis, Inc. (PSNL) stock worth about $193.5K.
Signature
/s/ Andrew Polovin, Attorney-in-Fact
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Quick Takeaways

  • Eric Paul Lefkofsky has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $1,998,179,305.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Tempus AI, Inc. ($1,957,069,612).
  • Past-year value change for that position: -$192,140,822.

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Eric Paul Lefkofsky

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
TEM Tempus AI, Inc. CEO and Chairman, Director, 10%+ Owner $1,957,069,612 -$192,140,822 -8.9% 26 Mar 2026
GRPN Groupon, Inc. 10%+ Owner $40,916,193 14 May 2024
PSNL Personalis, Inc. 10%+ Owner $193,500 28 Nov 2023

Insider Transactions Reported by Eric Paul Lefkofsky:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.