LEFKOFSKY ERIC P - Insider Non-Derivative Transactions at Tempus AI, Inc. (TEM) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 18, 2025, LEFKOFSKY ERIC P's relationship to Tempus AI, Inc. (TEM) is Director,Officer,TenPercentOwner (CEO and Chairman), and currently has 16,307,316 shares of Class A Common Stock, and 0 shares of Non-Voting Common Stock.
The charts below show the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other TEM insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
LEFKOFSKY ERIC P - Insider Non-Derivative Transactions of TEM Class A Common Stock
LEFKOFSKY ERIC P - Insider Non-Derivative Transactions at TEM
Items per page:
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 2801 | 66.04 | 8974783 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 2800 | 64.92 | 8977584 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 18960 | 64.12 | 8980384 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 5118 | 63.08 | 8999344 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 3571 | 62.26 | 9004462 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 11207 | 66.04 | 16188469 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 11238 | 64.92 | 16199676 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 75913 | 64.12 | 16210914 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 20489 | 63.08 | 16286827 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 14153 | 62.26 | 16307316 |
| Nov 25, 2025 | Sell -- (Class A Common Stock) | 33250 | 74.1 | 9008033 |
| Nov 25, 2025 | Sell -- (Class A Common Stock) | 133000 | 74.1 | 16571469 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 3783 | 72.2 | 9041283 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 8841 | 71.63 | 9045066 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 3074 | 70.58 | 9053907 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 2041 | 69.43 | 9056981 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 910 | 68.38 | 9059022 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 1913 | 67.39 | 9059932 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 6467 | 66.33 | 9061845 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 6221 | 65.59 | 9068312 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 15138 | 72.2 | 16704469 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 35362 | 71.63 | 16719607 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 12295 | 70.58 | 16754969 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 8158 | 69.43 | 16767264 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 3640 | 68.38 | 16775422 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 7660 | 67.39 | 16779062 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 25866 | 66.33 | 16786722 |
| Nov 21, 2025 | Sell -- (Class A Common Stock) | 24881 | 65.59 | 16812588 |
| Nov 19, 2025 | Sell -- (Class A Common Stock) | 5262 | 66.15 | 2003213 |
| Nov 19, 2025 | Sell -- (Class A Common Stock) | 11567 | 65.26 | 2008475 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 975 | 91.55 | 9074532 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 8723 | 90.28 | 9075507 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 30190 | 89.5 | 9084230 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 17622 | 88.59 | 9114420 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 8990 | 87.42 | 9132042 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 3903 | 91.55 | 17337470 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 34841 | 90.28 | 17341373 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 120794 | 89.5 | 17376214 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 70472 | 88.59 | 17497008 |
| Oct 29, 2025 | Sell -- (Class A Common Stock) | 35990 | 87.42 | 17567480 |
| Sep 26, 2025 | Sell -- (Class A Common Stock) | 10659 | 77.88 | 9141032 |
| Sep 26, 2025 | Sell -- (Class A Common Stock) | 25084 | 77.21 | 9151691 |
| Sep 26, 2025 | Sell -- (Class A Common Stock) | 14709 | 76.11 | 9176775 |
| Sep 26, 2025 | Sell -- (Class A Common Stock) | 16049 | 75.09 | 9191484 |
| Sep 26, 2025 | Sell -- (Class A Common Stock) | 42634 | 77.88 | 17603470 |
| Sep 26, 2025 | Sell -- (Class A Common Stock) | 100334 | 77.21 | 17646104 |
| Sep 26, 2025 | Sell -- (Class A Common Stock) | 58835 | 76.11 | 17746438 |
| Sep 26, 2025 | Sell -- (Class A Common Stock) | 64196 | 75.09 | 17805273 |
| Aug 28, 2025 | Sell -- (Class A Common Stock) | 3562 | 75.47 | 9207533 |
| Aug 28, 2025 | Sell -- (Class A Common Stock) | 24373 | 74.59 | 9211095 |
| Aug 28, 2025 | Sell -- (Class A Common Stock) | 32287 | 73.81 | 9235468 |
| Aug 28, 2025 | Sell -- (Class A Common Stock) | 6278 | 72.89 | 9267755 |
| Aug 28, 2025 | Sell -- (Class A Common Stock) | 14255 | 75.47 | 17869469 |
| Aug 28, 2025 | Sell -- (Class A Common Stock) | 97494 | 74.59 | 17883724 |
| Aug 28, 2025 | Sell -- (Class A Common Stock) | 129142 | 73.81 | 17981218 |
| Aug 28, 2025 | Sell -- (Class A Common Stock) | 25109 | 72.89 | 18110360 |
| Aug 20, 2025 | Sell -- (Class A Common Stock) | 425 | 75.61 | 2020042 |
| Aug 20, 2025 | Sell -- (Class A Common Stock) | 17033 | 74.63 | 2020467 |
| Jul 29, 2025 | Sell -- (Class A Common Stock) | 1434 | 65.23 | 9274033 |
| Jul 29, 2025 | Sell -- (Class A Common Stock) | 4962 | 64.09 | 9275467 |
| Jul 29, 2025 | Sell -- (Class A Common Stock) | 10007 | 63.12 | 9280429 |
| Jul 29, 2025 | Sell -- (Class A Common Stock) | 16847 | 62.16 | 9290436 |
| Jul 29, 2025 | Sell -- (Class A Common Stock) | 5735 | 65.23 | 18135469 |
| Jul 29, 2025 | Sell -- (Class A Common Stock) | 19848 | 64.09 | 18141204 |
| Jul 29, 2025 | Sell -- (Class A Common Stock) | 40029 | 63.12 | 18161052 |
| Jul 29, 2025 | Sell -- (Class A Common Stock) | 67388 | 62.16 | 18201081 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 4829 | 71.21 | 9307283 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 11651 | 70.37 | 9312112 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 19969 | 69.35 | 9323763 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 11751 | 68.7 | 9343732 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 1800 | 67.31 | 9355483 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 13606 | 71.16 | 15427132 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 51202 | 70.26 | 15440738 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 103155 | 69.17 | 15491940 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 23931 | 68.39 | 15595095 |
| Jun 19, 2025 | Sell -- (Class A Common Stock) | 8106 | 67.22 | 15619026 |
| Jun 18, 2025 | Sell -- (Class A Common Stock) | 2269 | 71.08 | 9357283 |
| Jun 18, 2025 | Sell -- (Class A Common Stock) | 30180 | 70.36 | 9359552 |
| Jun 18, 2025 | Sell -- (Class A Common Stock) | 17551 | 69.4 | 9389732 |
| Jun 18, 2025 | Sell -- (Class A Common Stock) | 7589 | 71.11 | 15627132 |
| Jun 18, 2025 | Sell -- (Class A Common Stock) | 123861 | 70.37 | 15634721 |
| Jun 18, 2025 | Sell -- (Class A Common Stock) | 68550 | 69.41 | 15758582 |
| May 21, 2025 | J -- (Class A Common Stock) | 219 | 0 | 406 |
| May 21, 2025 | Sell -- (Class A Common Stock) | 23 | 63.7 | 4878837 |
| May 21, 2025 | Sell -- (Class A Common Stock) | 16729 | 63.21 | 4878860 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 7195 | 51.61 | 9407283 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 6469 | 50.6 | 9414478 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 17134 | 49.53 | 9420947 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 19202 | 48.85 | 9438081 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 1859 | 51.67 | 25827132 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 47301 | 50.99 | 25828991 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 56439 | 50.11 | 25876292 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 94401 | 49.11 | 25932731 |
| Mar 6, 2025 | Sell -- (Class A Common Stock) | 35951 | 52.96 | 9457283 |
| Mar 6, 2025 | Sell -- (Class A Common Stock) | 12334 | 52.18 | 9493234 |
| Mar 6, 2025 | Sell -- (Class A Common Stock) | 33030 | 51.09 | 9505568 |
| Mar 6, 2025 | Sell -- (Class A Common Stock) | 18685 | 50.25 | 9538598 |
| Mar 6, 2025 | Sell -- (Class A Common Stock) | 11500 | 52.73 | 26027132 |
| Mar 6, 2025 | Sell -- (Class A Common Stock) | 27132 | 51.66 | 26038632 |
| Mar 6, 2025 | Sell -- (Class A Common Stock) | 255738 | 50.96 | 26065764 |
| Mar 6, 2025 | Sell -- (Class A Common Stock) | 167975 | 50.17 | 26321502 |
| Feb 28, 2025 | Sell -- (Class A Common Stock) | 1580928 | 58.75 | 0 |
| Feb 28, 2025 | Sell -- (Class A Common Stock) | 145966 | 58.75 | 0 |
| Feb 28, 2025 | Sell -- (Class A Common Stock) | 1397589 | 58.75 | 0 |
| Feb 28, 2025 | Sell -- (Class A Common Stock) | 115751 | 58.75 | 0 |
| Feb 28, 2025 | J -- (Class A Common Stock) | 132880 | 0 | 115751 |
| Feb 28, 2025 | J -- (Class A Common Stock) | 3372045 | 0 | 1580928 |
| Feb 28, 2025 | G -- (Class A Common Stock) | 100000 | 0 | 26489477 |
| Feb 21, 2025 | Sell -- (Class A Common Stock) | 69231 | 74.09 | 4895589 |
| Feb 20, 2025 | J -- (Class A Common Stock) | 112 | 0 | 187 |
| Feb 20, 2025 | Sell -- (Class A Common Stock) | 18509 | 82.47 | 4964820 |
| Feb 20, 2025 | Sell -- (Class A Common Stock) | 16437 | 81.59 | 4983329 |
| Feb 20, 2025 | Sell -- (Class A Common Stock) | 19409 | 80.63 | 4999766 |
| Feb 20, 2025 | Sell -- (Class A Common Stock) | 30285 | 79.65 | 5019175 |
| Feb 15, 2025 | Sell -- (Class A Common Stock) | 2300 | 87.37 | 5049460 |
| Feb 15, 2025 | Sell -- (Class A Common Stock) | 32200 | 86.87 | 5051760 |
| Feb 15, 2025 | Sell -- (Class A Common Stock) | 11589 | 85.58 | 5083960 |
| Feb 15, 2025 | Sell -- (Class A Common Stock) | 33914 | 84.7 | 5095549 |
| Feb 14, 2025 | Sell -- (Class A Common Stock) | 5000 | 80.28 | 5129463 |
| Feb 14, 2025 | Sell -- (Class A Common Stock) | 23332 | 79.81 | 5134463 |
| Feb 14, 2025 | Sell -- (Class A Common Stock) | 24896 | 78.51 | 5157795 |
| Feb 14, 2025 | Sell -- (Class A Common Stock) | 11165 | 77.68 | 5182691 |
| Feb 14, 2025 | Sell -- (Class A Common Stock) | 14201 | 76.43 | 5193856 |
| Feb 13, 2025 | Sell -- (Class A Common Stock) | 84948 | 70.02 | 5208057 |
| Feb 8, 2025 | Sell -- (Class A Common Stock) | 8436 | 68.69 | 5293005 |
| Feb 8, 2025 | Sell -- (Class A Common Stock) | 39747 | 67.7 | 5301441 |
| Feb 8, 2025 | Sell -- (Class A Common Stock) | 32205 | 67.01 | 5341188 |
| Feb 7, 2025 | Sell -- (Class A Common Stock) | 200 | 69.32 | 5373393 |
| Feb 7, 2025 | Sell -- (Class A Common Stock) | 16641 | 68.41 | 5373593 |
| Feb 7, 2025 | Sell -- (Class A Common Stock) | 68268 | 67.76 | 5390234 |
| Feb 6, 2025 | Sell -- (Class A Common Stock) | 32784 | 67.8 | 5458502 |
| Feb 6, 2025 | Sell -- (Class A Common Stock) | 41701 | 67.32 | 5491286 |
| Feb 1, 2025 | Sell -- (Class A Common Stock) | 400 | 59.86 | 5532987 |
| Feb 1, 2025 | Sell -- (Class A Common Stock) | 24118 | 58.84 | 5533387 |
| Feb 1, 2025 | Sell -- (Class A Common Stock) | 57538 | 57.94 | 5557505 |
| Jan 31, 2025 | Sell -- (Class A Common Stock) | 77626 | 54.63 | 5615043 |
| Jan 30, 2025 | Sell -- (Class A Common Stock) | 10221 | 54.45 | 5692669 |
| Jan 30, 2025 | Sell -- (Class A Common Stock) | 68897 | 53.77 | 5702890 |
| Jan 25, 2025 | Sell -- (Class A Common Stock) | 3100 | 54.75 | 5771787 |
| Jan 25, 2025 | Sell -- (Class A Common Stock) | 11355 | 53.84 | 5774887 |
| Jan 25, 2025 | Sell -- (Class A Common Stock) | 71333 | 53.26 | 5786242 |
| Jan 24, 2025 | J -- (Class A Common Stock) | 75 | 0 | 75 |
| Jan 24, 2025 | Sell -- (Class A Common Stock) | 145450 | 53.36 | 5857575 |
| Jan 24, 2025 | Sell -- (Class A Common Stock) | 365467 | 52.79 | 6003025 |
| Jan 24, 2025 | Sell -- (Class A Common Stock) | 47110 | 51.83 | 6368492 |
| Jan 24, 2025 | Sell -- (Class A Common Stock) | 377 | 49.29 | 6415602 |
| Jan 24, 2025 | Sell -- (Class A Common Stock) | 61987 | 48.57 | 6415979 |
| Jan 24, 2025 | Sell -- (Class A Common Stock) | 24677 | 48 | 6477966 |
| Jan 23, 2025 | Sell -- (Class A Common Stock) | 2600 | 52.46 | 6502643 |
| Jan 23, 2025 | Sell -- (Class A Common Stock) | 41747 | 51.82 | 6505243 |
| Jan 23, 2025 | Sell -- (Class A Common Stock) | 60587 | 50.7 | 6546990 |
| Jan 23, 2025 | Sell -- (Class A Common Stock) | 238699 | 49.84 | 6607577 |
| Jan 23, 2025 | Sell -- (Class A Common Stock) | 101967 | 49.06 | 6846276 |
| Jan 23, 2025 | Sell -- (Class A Common Stock) | 30609 | 47.78 | 6948243 |
| Dec 19, 2024 | Sell -- (Class A Common Stock) | 4469 | 39.32 | 9557283 |
| Dec 19, 2024 | Sell -- (Class A Common Stock) | 3338 | 38.26 | 9561752 |
| Dec 19, 2024 | Sell -- (Class A Common Stock) | 42193 | 37.36 | 9565090 |
| Dec 19, 2024 | Sell -- (Class A Common Stock) | 4666 | 39.38 | 26589477 |
| Dec 19, 2024 | Sell -- (Class A Common Stock) | 16176 | 38.33 | 26594143 |
| Dec 19, 2024 | Sell -- (Class A Common Stock) | 116813 | 37.34 | 26610319 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 3929136 | 0 | 0 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 1604275 | 0 | 0 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 5998 | 0 | 0 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 1503796 | 0 | 0 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 2120792 | 0 | 0 |
| Jun 18, 2024 | C -- (Non-Voting Common Stock) | 1400000 | 0 | 0 |
| Jun 18, 2024 | Acquisition -- (Class A Common Stock) | 5998 | 0 | 5998 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 145875 | 0 | 145875 |
| Jun 18, 2024 | Acquisition -- (Class A Common Stock) | 91 | 0 | 145966 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 248476 | 0 | 248476 |
| Jun 18, 2024 | Acquisition -- (Class A Common Stock) | 155 | 0 | 248631 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 1397589 | 0 | 1397589 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 1500071 | 0 | 1500071 |
| Jun 18, 2024 | Acquisition -- (Class A Common Stock) | 3725 | 0 | 1503796 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 1603279 | 0 | 1603279 |
| Jun 18, 2024 | Acquisition -- (Class A Common Stock) | 996 | 0 | 1604275 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 2111415 | 0 | 2111415 |
| Jun 18, 2024 | Acquisition -- (Class A Common Stock) | 9377 | 0 | 2120792 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 2283991 | 0 | 2283991 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 1030 | 0 | 2285021 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 125382 | 0 | 2410403 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 1068346 | 0 | 3478749 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 3911762 | 0 | 3911762 |
| Jun 18, 2024 | Acquisition -- (Class A Common Stock) | 17374 | 0 | 3929136 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 1400000 | 0 | 6978852 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 982283 | 0 | 9607283 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 4585 | 0 | 19938946 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 1256361 | 0 | 21195307 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 1746323 | 0 | 22941630 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 911957 | 0 | 23853587 |
| Jun 18, 2024 | J -- (Class A Common Stock) | 2020698 | 0 | 25874285 |
| Jun 15, 2024 | F -- (Class A Common Stock) | 37148 | 37 | 5578852 |
| Jun 14, 2024 | Acquisition -- (Class A Common Stock) | 5616000 | 0 | 5616000 |
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