Tempus AI (TEM): ARK Investment Management reduced its stake -665K shares

9.36M

Shares reported · -665K vs prior quarter

4.4%

Disclosed portfolio weight

$766M

Reported value

Holdings as of

Sep 30, 2026

Filed

Nov 13, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Sep 22, 2026Insider · 1 personInsiders: 16 sales (~$19.4M)
2. Sep 25, 2026FDAFDA device clearance: Tempus ECG-MR
3. Sep 25, 2026InsiderCEO sold ~$874K of TEM shares in the open market
4. Oct 27, 2026Insider · 1 personInsiders: 24 sales (~$17.6M)
5. Oct 28, 20265% stakeBradley A. Keywell reported a passive stake (13G) of 3.5%
6. Nov 2, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
7. Nov 2, 2026Insider · 2 peopleInsiders: 2 sales (~$33K)
8. Nov 6, 20265% stakeARK Investment Management LLC reported a passive stake (13G) of 4.9%

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Tempus AI

For Tempus AI, OQRO holds 45 insider filings (SEC Form 4 or Form 144), 3 fund holdings reports (13F) and 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its TEM page.

How this filing works

• SEC Form 13F

Other disclosures at Tempus AI

• SEC Schedule 13GNov 6, 2026
• SEC Form 4Nov 4, 2026
• SEC Form 4Nov 4, 2026
• SEC Form 144Nov 2, 2026
• SEC Form 4Oct 29, 2026
• SEC Form 4Oct 29, 2026

Everything OQRO holds on this company is on its TEM page.