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Who

Tempus AI, Inc.

10% owner

Company insider

Files Form 4 as: 10% owner, Personalis.

In numbers

Trades disclosed
29
Buys
11
Sells
0
Bought
$23.2M
Sold
$0
Companies
1
Companies where not an officer
1
First trade
16 Aug 2024
Last trade
22 Dec 2025
Last filed
13 Feb 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
PSNL Personalis10% owner · Diagnostics & Labs · last 22 Dec 202511 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
06Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
22 Dec 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$250K28,000 at $8.93filing
22 Dec 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$250K28,000 at $8.93filing
19 Dec 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K29,641 at $8.39filing
19 Dec 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K29,641 at $8.39filing
18 Dec 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K31,430 at $7.91filing
18 Dec 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K31,430 at $7.91filing
17 Dec 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K31,650 at $7.86filing
17 Dec 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K31,650 at $7.86filing
25 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$98K9,712 at $10.08filing
25 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$153K13,888 at $11.00filing
25 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$98K9,712 at $10.08filing
25 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$153K13,888 at $11.00filing
24 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K25,225 at $9.87filing
24 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K25,225 at $9.87filing
21 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$88K9,900 at $8.84filing
21 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$162K16,599 at $9.74filing
21 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$88K9,900 at $8.84filing
21 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$162K16,599 at $9.74filing
20 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K28,827 at $8.63filing
20 Nov 2025filed 13 Feb 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Bought$249K28,827 at $8.63filing

Sectors

Health Care11

Buys in green, sells in red, by the company’s sector.

Related people

Stephen Michael MooreSVP and Chief Legal Officer · SVP and Chief Legal Officer at Personalis, filing Form 4 there in the last year
Aaron TachibanaCFO and COO · CFO and COO at Personalis, filing Form 4 there in the last year
Christopher M. HallChief Executive Officer · Chief Executive Officer at Personalis, filing Form 4 there in the last year
Richard ChenPresident and CMO · President and CMO at Personalis, filing Form 4 there in the last year
Karin EasthamDirector · Director at Personalis, filing Form 4 there in the last year