Skip to content
Baker Capital StrategiesMARKETS. FILINGS. PERSPECTIVE.
Powered by THEMA

BAKER CAPITAL STRATEGIES

Get the free weekly BCS email.

Selected company filings and market updates, delivered by email. Your first report will follow soon.

  • Your weekly BCS reportMarket updates and links to filings you can explore.
  • THEMA at launchWe’ll send directions for setting up your filing alerts when THEMA officially opens.

One signup for the weekly email and your free THEMA Basic account at launch.

Already registered or a CSW member?Log in to THEMA →

At least 8 characters. This also creates your free THEMA account for launch.

You’re signing up for the weekly BCS email and THEMA launch/setup updates. Unsubscribe using the link in any email. Privacy policy · Terms

BCS

Notice of Proposed Sale · 144

Tempus AI, Inc.

TEMNASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Aug 25, 2026Accepted Aug 25, 2026, 4:57 PM EDTFiling CIK 1114357Accession 0001968582-26-000880
Share

Structured filing — 144

primary_doc.xml

Open full document ↗

Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer
Tempus AI, Inc.
Issuer CIK
0001717115
SEC file number
001-42130
Phone
800-976-5448
Person for whose account securities are to be sold
Eric Lefkofsky
Relationships to issuer
Officer · Director · 10% Stockholder
Street
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Class A Common Stock250,00016,542,500173,390,96708/25/2026NASDAQJ.P. Morgan Securities LLC

Broker / market maker — proposed row 1, entry 1

Name
J.P. Morgan Securities LLC
Street
270 Park Avenue, 10th Floor
City
New York
State / country code
NY
Postal code
10017

Acquisition of securities to be sold

Acquisition of securities to be sold · 4 reported rows
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Class A Common Stock01/22/2025Stock CompensationIssuer135,000N01/22/2025Compensation
Class A Common Stock09/14/2017Direct InvestmentIssuer57,500N09/14/2017Cash
Class A Common Stock03/05/2020Direct InvestmentIssuer7,500N03/05/2020Cash
Class A Common Stock12/04/2025DonationBlue Media LLC who acquired the shares on 09/24/201550,000N12/04/2025Donation

Sales reported in the preceding three months

Sales reported in the preceding three months · 8 reported rows
SellerSecuritySale dateAmount soldGross proceeds
Blue Media, LLCClass A Common Stock05/27/2026133,0006,210,943
Blue Media, LLCClass A Common Stock06/29/2026133,0007,645,208.81
Blue Media, LLCClass A Common Stock07/28/2026135,0005,678,417
Gray Media, LLCClass A Common Stock05/27/202633,2501,552,736
Gray Media, LLCClass A Common Stock06/29/202633,2501,911,302.2
Gray Media, LLCClass A Common Stock07/28/202657,5002,418,585
Lefkofsky Family FoundationClass A Common Stock07/28/20267,500315,468
Vas.org FoundationClass A Common Stock07/28/202650,0002,103,118

Seller — prior-sale row 1, entry 1

Name
Blue Media, LLC
Street
C/o Tempus AI, Inc.
Street (continued)
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Seller — prior-sale row 2, entry 1

Name
Blue Media, LLC
Street
C/o Tempus AI, Inc.
Street (continued)
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Seller — prior-sale row 3, entry 1

Name
Blue Media, LLC
Street
C/o Tempus AI, Inc.
Street (continued)
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Seller — prior-sale row 4, entry 1

Name
Gray Media, LLC
Street
C/o Tempus AI, Inc.
Street (continued)
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Seller — prior-sale row 5, entry 1

Name
Gray Media, LLC
Street
C/o Tempus AI, Inc.
Street (continued)
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Seller — prior-sale row 6, entry 1

Name
Gray Media, LLC
Street
C/o Tempus AI, Inc.
Street (continued)
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Seller — prior-sale row 7, entry 1

Name
Lefkofsky Family Foundation
Street
C/o Tempus AI, Inc.
Street (continued)
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Seller — prior-sale row 8, entry 1

Name
Vas.org Foundation
Street
C/o Tempus AI, Inc.
Street (continued)
600 West Chicago Avenue, Suite 510
City
Chicago
State / country code
IL
Postal code
60654

Prior-sale reporting

Nothing to report for the preceding three months
N

Remarks

This form relates to sales by Blue Media, LLC (135,000 shares), Gray Media, LLC (57,500 shares), Lefkofsky Family Foundation (7,500 shares) and Vas.org Foundation (50,000 shares) of which Mr. Lefkofsky is the authorized signatory.

Notice signature

Notice date
08/25/2026
Signed
/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Eric Lefkofsky
Plan adoption dates
03/08/2026

Company context

Tempus is a technology company advancing precision medicine through the practical application of artificial intelligence in healthcare. With one of the world’s largest libraries of multimodal data, and an operating system to make that data accessible and useful, Tempus provides AI-enabled precision medicine solutions to physicians to deliver personalized patient care and in parallel facilitates discovery, development and delivery of optimal therapeutics. The goal is for each patient to benefit from the treatment of others who came before by providing physicians with tools that learn as the company gathers more data. For more information, visit tempus.com.

Current securities

Recent company filings

  1. 4 filingOct 29, 2026
  2. SCHEDULE 13G/A - filed by KEYWELL BRADLEY A regarding Tempus AI, Inc.Oct 28, 2026
  3. 144 filingOct 27, 2026
  4. Other EventsOct 23, 2026
  5. EFFECT filingOct 21, 2026

Privacy choices

BCS measures page use with Google Analytics using regional consent settings. You can change your preference here. Charts and market data remain available.

Essential functions — always available. Security, navigation, registration and remembering these choices.

Audience analytics

Analytics cookies are off by default for visitors Google identifies in the EEA, UK or Switzerland until allowed. Limited measurement without analytics cookies may still occur under those regional defaults.

TradingView charts, quotes and the economic calendar load automatically as page content. TradingView receives network and browser information and may collect its own usage analytics. This choice controls BCS’s Google Analytics only.

Google advertising is not enabled. Direct sponsor links do not load advertising trackers on BCS.

Turning analytics off stops future Google Analytics activity here. It does not erase information already received by the provider. Read the privacy policy.