Transaction · 0001114357-26-000020

LEFKOFSKY ERIC P

LEFKOFSKY ERIC P, CHAIR, reported an open-market or private sale at Tempus AI, Inc. involving 97279.000000 shares for an estimated $4561412.31. Reported holdings after the transaction were 15523469.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCHAIR
TEMTempus AI, Inc.
Filing timeMay 29
Trade dateMay 27, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$50.47
Pre-filing
1mo ago +4.4%1w ago -9.1%1d ago -7.5%
Returns since
7d -8.0%30d +11.2%90d +38.6%180d +38.6%1y +38.6%

TEM price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
TEM since 2026-05-29Filed 98 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001114357-26-000020
Class A Common Stock
Transaction date
May 27, 2026
Filed May 29, 2026, 08:15 PM · 2d delay
Shares
97.2k sh
$4.68k per share
Estimated value
-$456M
Computed from shares × price
Holdings after
15.5M sh
Indirect · By Blue Media, LLC

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Large Sale Repeat Seller 10b5-1 Detected
-6score
Filing-only score

-6

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CEO and Chairman

Officer YesDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2025.

  2. F2

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.53 to $46.52 inclusive. The Reporting Person undertakes to provide to the Iss…

  3. F3

    The Reporting Person is (i) a member of, and controls a limited liability company that is a member of, 346 Long LLC, (ii) the sole manager of each of Black Media, LLC, Blue Media, LLC and Gray Media,…

  4. F4

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.53 to $47.47 inclusive.

Original filing · 0001114357-26-000020
Related transactions

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Same reporting owner
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TEM