Tempus AI, Inc. (TEM) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, the three largest insider holders of TEM are Eric P Lefkofsky (Ceo And Chairman, 26.49Mn shares), Sky Ventures Llc Red (TenPercentOwner, 16.56Mn shares), Sky Ventures Llc Red (TenPercentOwner, 14.61Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Eric P Lefkofsky Ceo And Chairman 0 26,489,477 27 Feb, 2025
Sky Ventures Llc Red 16,560,249 0 25 Jun, 2024
Sky Ventures Llc Red 0 14,610,249 12 Dec, 2024
Ryan Fukushima Chief Executive Officer, Data 769,347 0 20 Feb, 2026
Ryan Fukushima Chief Operating Officer 0 148,808 07 Jan, 2026
James William Rogers Chief Financial Officer 127,248 0 04 Mar, 2026
Andrew Polovin Evp, Chief Legal Officer 126,918 0 20 Feb, 2026
Erik Phelps Evp, Chief Admin. Officer 79,816 0 20 Feb, 2026
Ryan M Bartolucci Chief Accounting Officer 54,157 0 20 Feb, 2026
Scott Gottlieb 34,836 0 22 May, 2025
Nadja West 32,068 0 22 May, 2025
Wayne A.I. Frederick 24,836 0 09 Dec, 2025
Jennifer A Doudna 22,702 0 06 Jan, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Mar, 2026 James William Rogers Class A Common Stock D 11,414 $50.69 127,248 D S
19 Feb, 2026 Andrew Polovin Class A Common Stock D 8,143 $59.05 99,447 D S
19 Feb, 2026 Erik Phelps Class A Common Stock D 3,814 $60.00 85,466 D S
19 Feb, 2026 James William Rogers Class A Common Stock D 10,084 $59.05 101,166 D S
19 Feb, 2026 Ryan Fukushima Class A Common Stock D 9,592 $59.05 694,354 D S
19 Feb, 2026 Ryan M Bartolucci Class A Common Stock D 2,902 $59.05 41,159 D S
20 Feb, 2026 Andrew Polovin Class A Common Stock A 38,420 $0.00 137,867 D A
20 Feb, 2026 Ryan Fukushima Class A Common Stock A 74,993 $0.00 769,347 D A
19 Feb, 2026 Erik Phelps Class A Common Stock D 5,650 $59.05 79,816 D S
20 Feb, 2026 James William Rogers Class A Common Stock A 37,496 $0.00 138,662 D A
20 Feb, 2026 Ryan M Bartolucci Class A Common Stock A 12,998 $0.00 54,157 D A
20 Feb, 2026 Andrew Polovin Class A Common Stock D 10,849 $60.30 127,018 D S
20 Feb, 2026 Andrew Polovin Class A Common Stock D 100 $60.97 126,918 D S
05 Jan, 2026 Ryan Fukushima Class A Common Stock D 5,000 $64.26 148,808 I S
02 Jan, 2026 Jennifer A Doudna Class A Common Stock D 1,250 $60.17 22,702 D S
16 Dec, 2025 Erik Phelps Class A Common Stock D 1,302 $67.42 89,280 D S
11 Dec, 2025 James William Rogers Class A Common Stock D 4,209 $72.09 127,007 D S
11 Dec, 2025 James William Rogers Class A Common Stock D 11,982 $73.31 115,025 D S
11 Dec, 2025 James William Rogers Class A Common Stock D 3,775 $74.08 111,250 D S
05 Dec, 2025 Wayne A.I. Frederick Class A Common Stock D 3,675 $77.23 24,836 D S