Transaction · 0001114357-26-000032

LEFKOFSKY ERIC P

LEFKOFSKY ERIC P, CHAIR, reported an open-market or private sale at Tempus AI, Inc. involving 132591.000000 shares for an estimated $6577839.51. Reported holdings after the transaction were 2098130.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCHAIR
TEMTempus AI, Inc.
Filing timeAug 21
Trade dateAug 18, 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
$72.69
Pre-filing
1mo ago -27.8%1w ago -23.4%1d ago -29.0%
Returns since
7d -11.9%30d -14.3%90d -14.3%180d -14.3%1y -14.3%

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 2026-08-21Filed 13 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
0001114357-26-000032
Class A Common Stock
Transaction date
Aug 18, 2026
Filed Aug 21, 2026, 01:00 AM · 3d delay
Shares
132k sh
$4.96k per share
Estimated value
-$657M
Computed from shares × price
Holdings after
2.09M sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Large Sale
+6score
Filing-only score

+6

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

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

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

    Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units. This sale is mandated by the Issuer…

  2. F2

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.35 to $49.99 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,…

Original filing · 0001114357-26-000032
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

TEM