Skip to content
sellModerate cluster of 510b5-1 plan

Eric P Lefkofsky sold $16M of TEM

CEO and Chairman at Tempus AI, Inc.. 200,000 shares at an average of $80.57, traded Sep 17, 2026, filed Sep 18, 2026.

Warning score
45
Value
$16M
200,000 shares
Holdings after
809,631
-2% from before
From 52-week low
+93%
low $41.55, close $80.36
From 52-week high
-22%
high $103.25, as of Sep 17, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $16.1M at market
    +25
  • Share of holdings sold
    Sold 2.3% of holdings
    0
  • Cluster
    5 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

TEMOct 9, 2026 · close 70.93
Since filing Sep 18, 2026: -8.9%SPY +2.2% · excess -11.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001114357-26-000038, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 17, 2026SOpen-market sale
Class A Common Stockindirect: By Gray Media, LLC10b5-1
-52,558$80.52$4.2M8,607,72524 d ago
Sep 17, 2026SOpen-market sale
Class A Common Stockindirect: By Gray Media, LLC10b5-1
-4,942$81.09$401k8,602,78324 d ago
Sep 17, 2026SOpen-market sale
Class A Common Stockindirect: By Blue Media, LLC10b5-1
-123,391$80.52$9.9M14,997,07824 d ago
Sep 17, 2026SOpen-market sale
Class A Common Stockindirect: By Blue Media, LLC10b5-1
-11,609$81.09$941k14,985,46924 d ago
Sep 17, 2026SOpen-market sale
Class A Common Stockindirect: By Lefkofsky Family Foundation10b5-1
-6,855$80.52$552k810,27624 d ago
Sep 17, 2026SOpen-market sale
Class A Common Stockindirect: By Lefkofsky Family Foundation10b5-1
-645$81.09$52k809,63124 d ago

Related signals

Other insiders at Tempus AI, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
48Moderate
TEMsell 510b5-1
Tempus AI, Inc.
Thomas Edward Schoenherr
CEO, Diagnostics
$874k
10,281 shares
-12%
45Moderate
TEMsell 510b5-1
Tempus AI, Inc.
Eric P Lefkofsky
CEO and Chairman
$19M
250,000 shares
-3%
33Weak
TEMsell 510b5-1
Tempus AI, Inc.
Ryan M Bartolucci
Chief Accounting Officer
$530k
7,062 shares
-10%
27Weak
TEMsell 510b5-1
Tempus AI, Inc.
Ryan Fukushima
CEO, Data
$49k
700 shares
-4%
22Weak
TEMsell 510b5-1
Tempus AI, Inc.
Andrew Polovin
EVP, Chief Legal Officer
$221k
2,951 shares
-2%
16Weak
TEMsell 410b5-1
Tempus AI, Inc.
Jennifer A Doudna
director
$44k
676 shares
-3%
10Weak
TEMsell 410b5-1
Tempus AI, Inc.
David R Epstein
director
$16k
250 shares
-1%
65Notable
TEMsell 410b5-1
Tempus AI, Inc.
Ryan Fukushima
CEO, Data
$1.9M
30,846 shares
-65%
22Weak
TEMsell 410b5-1
Tempus AI, Inc.
Nadja West
director
$207k
3,000 shares
-9%
25Weak
TEMsell
Tempus AI, Inc.
Ryan M Bartolucci
Chief Accounting Officer
$120k
1,834 shares
-4%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Eric P Lefkofsky sold $16M of TEM | InsiderTell