As of April 22, 2026, the three largest insider holders of TEM are Eric P Lefkofsky (Ceo And Chairman, 26.49Mn shares), Eric P Lefkofsky (Ceo And Chairman, 24.66Mn shares), Sky Ventures Llc Red (TenPercentOwner, 16.56Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Eric P Lefkofsky | Ceo And Chairman | 0 | 26,489,477 | 27 Feb, 2025 |
| Eric P Lefkofsky | Ceo And Chairman | 0 | 24,664,502 | 27 Mar, 2026 |
| Sky Ventures Llc Red | - | 16,560,249 | 0 | 25 Jun, 2024 |
| Bradley A Keywell | - | 0 | 15,218,365 | 22 Jan, 2025 |
| Sky Ventures Llc Red | - | 0 | 14,610,249 | 12 Dec, 2024 |
| Eric P Lefkofsky | Ceo And Chairman | 0 | 9,939,620 | 20 Jun, 2024 |
| Eric P Lefkofsky | Ceo And Chairman | 2,253,056 | 0 | 20 Feb, 2026 |
| Ryan Fukushima | Chief Executive Officer, Data | 769,347 | 0 | 20 Feb, 2026 |
| Erik Phelps | Evp Chief Admin Legal Off | 295,365 | 0 | 13 Jun, 2024 |
| 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 |
| Peter J Barris | - | 115,511 | 0 | 22 May, 2025 |
| Erik Phelps | Evp, Chief Admin. Officer | 79,816 | 0 | 20 Feb, 2026 |
| Theodore Leonsis | - | 0 | 66,756 | 28 Aug, 2025 |
| Ryan M Bartolucci | Chief Accounting Officer | 54,157 | 0 | 20 Feb, 2026 |
| Theodore Leonsis | - | 0 | 43,550 | 13 May, 2025 |
| Scott Gottlieb | - | 34,836 | 0 | 22 May, 2025 |
| Scott Gottlieb | - | 32,839 | 0 | 03 Apr, 2025 |
| Nadja West | - | 32,068 | 0 | 22 May, 2025 |
| Nadja West | - | 30,071 | 0 | 19 Mar, 2025 |
| Wayne A.I. Frederick | - | 28,511 | 0 | 22 May, 2025 |
| David R Epstein | - | 26,421 | 0 | 03 Dec, 2025 |
| David R Epstein | - | 25,801 | 0 | 04 Mar, 2026 |
| Wayne A.I. Frederick | - | 24,836 | 0 | 09 Dec, 2025 |
| Jennifer A Doudna | - | 24,628 | 0 | 13 Nov, 2025 |
| Jennifer A Doudna | - | 22,702 | 0 | 06 Jan, 2026 |
| Theodore Leonsis | - | 15,511 | 0 | 22 May, 2025 |
| Eric D Belcher | - | 15,511 | 0 | 22 May, 2025 |
| Eric D Belcher | - | 0 | 14,033 | 20 Jun, 2024 |
| Peter J Barris | - | 13,514 | 0 | 17 Jun, 2024 |
| Eric D Belcher | - | 13,514 | 0 | 17 Jun, 2024 |
| Theodore Leonsis | - | 13,514 | 0 | 17 Jun, 2024 |
| Eric P Lefkofsky | Ceo And Chairman | 0 | 406 | 22 May, 2025 |
* 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 26 Mar, 2026 | Eric P Lefkofsky | Class A Common Stock | D | 16,388 | $45.78 | 8,891,895 | I | S |
| 26 Mar, 2026 | Eric P Lefkofsky | Class A Common Stock | D | 14,915 | $46.91 | 8,876,980 | I | S |
| 26 Mar, 2026 | Eric P Lefkofsky | Class A Common Stock | D | 1,947 | $47.42 | 8,875,033 | I | S |
| 26 Mar, 2026 | Eric P Lefkofsky | Class A Common Stock | D | 65,559 | $45.78 | 15,856,910 | I | S |
| 26 Mar, 2026 | Eric P Lefkofsky | Class A Common Stock | D | 59,657 | $46.91 | 15,797,253 | I | S |
| 26 Mar, 2026 | Eric P Lefkofsky | Class A Common Stock | D | 7,784 | $47.42 | 15,789,469 | I | S |
| 02 Mar, 2026 | David R Epstein | Class A Common Stock | D | 250 | $50.69 | 25,801 | D | S |
| 02 Mar, 2026 | James William Rogers | Class A Common Stock | D | 11,414 | $50.69 | 127,248 | D | S |
| 19 Feb, 2026 | Erik Phelps | Class A Common Stock | D | 3,814 | $60.00 | 85,466 | D | S |
| 19 Feb, 2026 | Andrew Polovin | Class A Common Stock | D | 8,143 | $59.05 | 99,447 | D | S |
| 19 Feb, 2026 | Ryan M Bartolucci | Class A Common Stock | D | 2,902 | $59.05 | 41,159 | D | S |
| 19 Feb, 2026 | Ryan Fukushima | Class A Common Stock | D | 9,592 | $59.05 | 694,354 | D | S |
| 19 Feb, 2026 | Eric P Lefkofsky | Class A Common Stock | D | 8,552 | $58.31 | 8,932,981 | I | S |
| 19 Feb, 2026 | James William Rogers | Class A Common Stock | D | 10,084 | $59.05 | 101,166 | D | S |
| 19 Feb, 2026 | Erik Phelps | Class A Common Stock | D | 5,650 | $59.05 | 79,816 | D | S |
| 19 Feb, 2026 | Eric P Lefkofsky | Class A Common Stock | D | 23,775 | $59.04 | 8,909,206 | I | S |
| 20 Feb, 2026 | Ryan Fukushima | Class A Common Stock | A | 74,993 | $0.00 | 769,347 | D | A |
| 20 Feb, 2026 | Ryan M Bartolucci | Class A Common Stock | A | 12,998 | $0.00 | 54,157 | D | A |
| 20 Feb, 2026 | James William Rogers | Class A Common Stock | A | 37,496 | $0.00 | 138,662 | D | A |
| 20 Feb, 2026 | Andrew Polovin | Class A Common Stock | A | 38,420 | $0.00 | 137,867 | D | A |