Company: TEM
Filing Date: 2025-03-07
Form Type: 424B3
Source: 0001193125-25-049935
Chunk: 46

Company: Tempus AI, Inc.
Filing Date: 2025-03-07
Form: 424B3
Chunk 46
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 Lefkofsky, our Chief Executive Officer, Founder and Chairman. |

| (2) | The Schiehallion Fund Limited and Scottish Mortgage Investment Trust plc are controlled by Baillie 
 Gifford & Co., a holder of more than 5% of our capital stock.                                      |

Series G-4Convertible Preferred Stock Financing In October 2023, we sold an aggregate of 785,245 shares of our Series G-4convertible preferred stock at a price per share of $57.3069 for an aggregate purchase price of approximately $45.0 million in private placements to accredited investors. The table below sets forth the number of shares of our Series G-4preferred stock purchased by our executive officers, directors, holders of more than 5% of our capital stock, and their affiliated entities or immediate family members, as applicable. Pursuant to the terms of our Series G-4preferred stock, in connection with our IPO, each share of Series G-4preferred stock converted into a number of shares of our Class A common stock equal to (i) $57.3069 per share, plus any accrued and unpaid dividends on such share, divided by $31.45, which represented 85% of the public offering price in our IPO. The holders of our Series G-4convertible preferred stock were entitled to paid-in-kinddividends at a rate of 5.25% of the original issue price, payable in shares of Series G-4convertible preferred stock. In addition, in July 2024 we paid an aggregate of approximately $2.3 million to former holders of Series G-4preferred stock because pursuant to the terms of the Series G-4preferred stock, each holder was entitled to an amount equal to 5% of the per share price for each share of Series G-4preferred stock purchased by such holder, in the event that following our IPO, the average of the last trading price on each trading day during the ten day trading period beginning on the first day of trading of 30

our Class A common stock is less than 110% of the price per share of Class A common stock sold in our IPO. The holders of our Series G-4preferred stock listed below are entitled to specified registration rights. See the section titled “Description of Securities—Registration Rights” for additional information regarding these registration rights.

| Participants                       |     | Number of Series     
 G-4 Shares           
 Originally Purchased |         |     | Aggregate      
 Purchase Price