Eric Paul Lefkofsky - 27 May 2026 Form 4 Insider Report for Tempus AI, Inc. (TEM)

Reporting relationship: CEO and Chairman, Director, 10%+ Owner
Issuer ticker: TEM
Reported as of: 27 May 2026
Net transaction value: -$7,763,312
SEC form: 4
Accepted by SEC: 29 May 2026, 16:15:14 UTC
Prior SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrew Polovin, Attorney-in-Fact

Key filing fact

Eric Paul Lefkofsky filed Form 4 for Tempus AI, Inc. (TEM) on 29 May 2026.

Key facts

This page summarizes Eric Paul Lefkofsky's Form 4 filing for Tempus AI, Inc. (TEM).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 29 May 2026, 16:15.

Change

Previous filing in this sequence was filed on 21 May 2026.
Current net transaction value: -$7,763,312.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001114357 Primary reporting owner

LEFKOFSKY ERIC P

Relationship: CEO and Chairman, Director, 10%+ Owner
Address: C/O TEMPUS AI, INC., 600 WEST CHICAGO AVENUE, SUITE 510, CHICAGO
Signature: /s/ Andrew Polovin, Attorney-in-Fact
Signature date: 29 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TEM transaction

Class A Common Stock

Sale

Transaction value: $412,390
Shares: -8,932
Change %: -0.1%
Price: $46.17
Shares after: 8,832,851
Date: 27 May 2026
Ownership: By Gray Media, LLC
Footnotes: F1, F2, F3

TEM transaction

Class A Common Stock

Sale

Transaction value: $1,140,271
Shares: -24,318
Change %: -0.28%
Price: $46.89
Shares after: 8,808,533
Date: 27 May 2026
Ownership: By Gray Media, LLC
Footnotes: F1, F3, F4

TEM transaction

Class A Common Stock

Sale

Transaction value: $1,649,239
Shares: -35,721
Change %: -0.23%
Price: $46.17
Shares after: 15,620,748
Date: 27 May 2026
Ownership: By Blue Media, LLC
Footnotes: F1, F2, F3

TEM transaction

Class A Common Stock

Sale

Transaction value: $4,561,412
Shares: -97,279
Change %: -0.62%
Price: $46.89
Shares after: 15,523,469
Date: 27 May 2026
Ownership: By Blue Media, LLC
Footnotes: F1, F3, F4

TEM holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,230,721
Date: 27 May 2026
Ownership: Direct

TEM holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 406
Date: 27 May 2026
Ownership: By 346 Long LLC
Footnotes: F3

TEM holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000,000
Date: 27 May 2026
Ownership: By Lefkofsky Family 2025 GRAT
Footnotes: F3

TEM holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 206
Date: 27 May 2026
Ownership: By Black Media, LLC
Footnotes: F3

TEM holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 832,131
Date: 27 May 2026
Ownership: By Lefkofsky Family Foundation
Footnotes: F3

TEM holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 250,000
Date: 27 May 2026
Ownership: By Vas.org Foundation
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

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

Footnote 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 Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (4).

Footnote 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, LLC, (iii) a trustee of each of Lefkofsky Family Foundation and Vas.org Foundation. The Reporting Person's spouse is the trustee of the Lefkofsky Family 2025 GRAT.

Footnote 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.

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