Form 4 Tracker
Eric P Lefkofsky

Director, CEO and Chairman, 10% Owner · 8 filings · Latest: Sep 22, 2026

Tempus AI, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
TEM
Eric Lefkofsky—Mar 26, 2026
Proposed Sale
$46.76166,250$7.8M—
TEM
LEFKOFSKY ERIC PDirector, CEO and Chairman, 10% OwnerFeb 19, 2026
Sale
$58.89179,837$10.6M1,989,626
TEM
Eric Paul Lefkofsky—Feb 19, 2026
Proposed Sale
$56.1613,587$763.0K—
TEM
Eric Lefkofsky—Feb 19, 2026
Proposed Sale
$56.16166,250$9.3M—
TEM
LEFKOFSKY ERIC PDirector, CEO and Chairman, 10% OwnerJan 28, 2026
Sale
$65.56166,250$10.9M16,055,469
TEM
Eric Lefkofsky—Jan 28, 2026
Proposed Sale
$66.81166,250$11.1M—
TEM
Eric Lefkofsky—Dec 18, 2025
Proposed Sale
$64.61166,250$10.7M—
TEM
Eric Lefkofsky—Nov 20, 2025
Proposed Sale
$70.40166,250$11.7M—
TEM
Eric Lefkofsky—Nov 20, 2025
Proposed Sale
$69.09166,250$11.5M—
TEM
Eric Paul Lefkofsky—Nov 18, 2025
Proposed Sale
$66.3916,829$1.1M—
TEM
Eric Lefkofsky—Oct 28, 2025
Proposed Sale
$91.58332,500$30.5M—
TEM
Eric Lefkofsky—Sep 25, 2025
Proposed Sale
$84.13332,500$28.0M—
TEM
Eric Lefkofsky—Aug 27, 2025
Proposed Sale
$75.90332,500$25.2M—
TEM
Eric Paul Lefkofsky—Aug 19, 2025
Proposed Sale
$78.4517,458$1.4M—
TEM
Eric Paul Lefkofsky—Jun 17, 2025
Proposed Sale
$72.00500,000$36.0M—
TEM
Eric Paul Lefkofsky—May 20, 2025
Proposed Sale
$63.7416,752$1.1M—
TEM
Eric P. Lefkofsky—Mar 5, 2025
Proposed Sale
$52.73812,345$42.8M—
TEM
LEFKOFSKY ERIC P—Feb 12, 2025
Proposed Sale
$71.21535,000$38.1M—
TEM
LEFKOFSKY ERIC P—Jan 29, 2025
Proposed Sale
$51.02520,000$26.5M—
TEM
LEFKOFSKY ERIC P—Jan 24, 2025
Proposed Sale
$54.8485,788$4.7M—