Tempus AI (TEM)
Tempus AI on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as services-computer programming, data processing, etc..
25.4M
Short interest
settlement 2026-10-15
3.5
Days to cover
+0.3 days vs prior
45.9%
Short share of volume
2026-10-28
1,582
Fails to deliver
settlement 2026-09-28
Tue 3 Nov
Next earnings
estimated date
-$74.0M
Insider flow, 90 days
0 buys, 89 sells
As of 2026-10-28.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in TEM is 25,375,199 shares, down 2,684,151 shares over the last month. Over the last 48 readings it ranged from 3,474,517 shares (31 October 2024) to 38,063,948 shares (15 June 2026). At the reported average volume of 7.1M shares a day that is 3.5 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/tem" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 25,375,199 | +1.0% | 7,148,966 | 3.55 |
| 2026-09-30 | 25,118,706 | -10.5% | 7,789,909 | 3.22 |
| 2026-09-15 | 28,059,350 | -4.8% | 5,441,625 | 5.16 |
| 2026-08-31 | 29,464,296 | -1.4% | 10,096,237 | 2.92 |
| 2026-08-14 | 29,871,832 | -10.1% | 4,118,426 | 7.25 |
| 2026-07-31 | 33,229,165 | +9.4% | 5,672,784 | 5.86 |
| 2026-07-15 | 30,360,084 | -9.7% | 4,754,910 | 6.38 |
| 2026-06-30 | 33,602,707 | -11.7% | 6,744,990 | 4.98 |
| 2026-06-15 | 38,063,948 | +22.3% | 7,867,486 | 4.84 |
| 2026-05-29 | 31,128,255 | -11.5% | 5,981,791 | 5.20 |
| 2026-05-15 | 35,165,579 | +31.4% | 7,205,959 | 4.88 |
| 2026-04-30 | 26,764,328 | -3.5% | 5,020,120 | 5.33 |
| 2026-04-15 | 27,725,365 | +0.3% | 5,634,460 | 4.92 |
| 2026-03-31 | 27,631,960 | +10.1% | 4,403,314 | 6.28 |
| 2026-03-13 | 25,090,144 | +4.6% | 5,034,916 | 4.98 |
| 2026-02-27 | 23,985,152 | +5.5% | 5,766,835 | 4.16 |
| 2026-02-13 | 22,734,155 | +5.6% | 5,628,588 | 4.04 |
| 2026-01-30 | 21,536,982 | +0.6% | 4,866,891 | 4.43 |
| 2026-01-15 | 21,400,146 | +6.6% | 6,133,870 | 3.49 |
| 2025-12-31 | 20,072,376 | +10.9% | 3,925,764 | 5.11 |
| 2025-12-15 | 18,105,823 | -9.7% | 3,082,646 | 5.87 |
| 2025-11-28 | 20,059,073 | -9.6% | 4,866,286 | 4.12 |
| 2025-11-14 | 22,191,260 | +4.1% | 7,313,752 | 3.03 |
| 2025-10-31 | 21,312,329 | -3.7% | 5,957,899 | 3.58 |
| 2025-10-15 | 22,128,294 | -7.2% | 8,146,102 | 2.72 |
| 2025-09-30 | 23,836,724 | -9.7% | 8,995,184 | 2.65 |
| 2025-09-15 | 26,385,668 | +8.4% | 8,850,271 | 2.98 |
| 2025-08-29 | 24,329,629 | -6.3% | 11,201,203 | 2.17 |
| 2025-08-15 | 25,968,715 | +12.1% | 12,150,365 | 2.14 |
| 2025-07-31 | 23,170,876 | -3.4% | 9,005,364 | 2.57 |
| 2025-07-15 | 23,978,592 | +8.8% | 8,345,785 | 2.87 |
| 2025-06-30 | 22,042,641 | +12.4% | 9,772,607 | 2.26 |
| 2025-06-13 | 19,611,628 | -8.9% | 14,656,162 | 1.34 |
| 2025-05-30 | 21,531,668 | +2.2% | 17,814,718 | 1.21 |
| 2025-05-15 | 21,065,816 | +11.0% | 15,744,229 | 1.34 |
| 2025-04-30 | 18,971,221 | -8.4% | 9,458,462 | 2.01 |
| 2025-04-15 | 20,708,811 | +3.8% | 10,198,930 | 2.03 |
| 2025-03-31 | 19,957,970 | +16.0% | 10,372,367 | 1.92 |
| 2025-03-14 | 17,205,688 | +21.4% | 10,671,262 | 1.61 |
| 2025-02-28 | 14,176,355 | +11.2% | 18,960,634 | 1.00 |
| 2025-02-14 | 12,745,225 | +1.3% | 20,726,587 | 1.00 |
| 2025-01-31 | 12,585,124 | +9.8% | 15,134,741 | 1.00 |
| 2025-01-15 | 11,464,348 | +31.4% | 4,161,973 | 2.75 |
| 2024-12-31 | 8,725,452 | +42.1% | 3,971,513 | 2.20 |
| 2024-12-13 | 6,140,633 | +20.3% | 4,073,070 | 1.51 |
| 2024-11-29 | 5,106,334 | +22.1% | 1,165,423 | 4.38 |
| 2024-11-15 | 4,180,503 | +20.3% | 1,882,476 | 2.22 |
| 2024-10-31 | 3,474,517 | +19.6% | 674,699 | 5.15 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 28 October 2026, the short share of TEM volume is 45.9%, up 7.1 points over the last five sessions. Over the last 30 readings it ranged from 30.8% (18 September 2026) to 61.6% (6 October 2026). The latest reading is in line with the 30-session average of 46.7%, on 3.1M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-28 | 1.4M | 3.1M | 45.9% | 3,965 |
| 2026-10-27 | 1.2M | 2.0M | 61.6% | 85,930 |
| 2026-10-26 | 841K | 1.6M | 51.1% | 885 |
| 2026-10-23 | 1.0M | 1.9M | 56.0% | 3,861 |
| 2026-10-22 | 1.3M | 2.7M | 46.8% | 2,916 |
| 2026-10-21 | 577K | 1.5M | 38.8% | 43 |
| 2026-10-20 | 805K | 1.9M | 43.1% | 5,167 |
| 2026-10-19 | 625K | 1.8M | 35.7% | 108,303 |
| 2026-10-16 | 1.3M | 3.0M | 44.7% | 22,722 |
| 2026-10-15 | 1.3M | 3.2M | 40.1% | 2,149 |
| 2026-10-14 | 1.3M | 2.9M | 44.1% | 6,464 |
| 2026-10-13 | 921K | 1.8M | 50.3% | 9,346 |
| 2026-10-12 | 734K | 1.8M | 41.1% | 131 |
| 2026-10-09 | 1.2M | 3.1M | 38.1% | 3,682 |
| 2026-10-08 | 1.5M | 3.2M | 45.7% | 5,986 |
| 2026-10-07 | 2.1M | 3.9M | 55.5% | 172,863 |
| 2026-10-06 | 4.8M | 7.9M | 61.6% | 262,630 |
| 2026-10-05 | 1.6M | 3.4M | 45.4% | 2,246 |
| 2026-10-02 | 872K | 2.1M | 40.9% | 1,969 |
| 2026-10-01 | 1.4M | 3.3M | 42.3% | 6,112 |
| 2026-09-30 | 1.2M | 2.2M | 51.4% | 4,151 |
| 2026-09-29 | 1.7M | 3.2M | 53.0% | 5,177 |
| 2026-09-28 | 1.4M | 2.9M | 47.6% | 703 |
| 2026-09-25 | 2.4M | 4.3M | 56.6% | 2,268 |
| 2026-09-24 | 2.7M | 5.7M | 48.1% | 5,752 |
| 2026-09-23 | 1.1M | 2.5M | 42.6% | 12,432 |
| 2026-09-22 | 1.3M | 2.6M | 50.3% | 32,525 |
| 2026-09-21 | 1.2M | 2.6M | 45.5% | 3,267 |
| 2026-09-18 | 1.1M | 3.6M | 30.8% | 14,382 |
| 2026-09-17 | 4.0M | 8.5M | 46.5% | 125,641 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 28 September 2026, the fails-to-deliver balance in TEM is 1,582 shares, up 1,062 shares over the last settlement date. Over the last 30 readings it ranged from 12 shares (4 September 2026) to 174,923 shares (31 August 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-28 | 1,582 | $85.01 | $134K |
| 2026-09-25 | 520 | $82.24 | $43K |
| 2026-09-21 | 97,881 | $77.84 | $7.6M |
| 2026-09-18 | 13,400 | $80.36 | $1.1M |
| 2026-09-17 | 4,264 | $69.97 | $298K |
| 2026-09-16 | 43,060 | $68.85 | $3.0M |
| 2026-09-15 | 3,957 | $62.21 | $246K |
| 2026-09-14 | 200 | $59.01 | $12K |
| 2026-09-11 | 77 | $58.74 | $5K |
| 2026-09-10 | 22 | $61.28 | $1K |
| 2026-09-09 | 224 | $64.29 | $14K |
| 2026-09-08 | 11,071 | $64.62 | $715K |
| 2026-09-04 | 12 | $64.66 | $776 |
| 2026-08-31 | 174,923 | $64.04 | $11.2M |
| 2026-08-27 | 15,287 | $68.48 | $1.0M |
| 2026-08-25 | 87,739 | $66.17 | $5.8M |
| 2026-08-24 | 10,810 | $72.69 | $786K |
| 2026-08-21 | 27,889 | $66.65 | $1.9M |
| 2026-08-20 | 18,490 | $61.25 | $1.1M |
| 2026-08-18 | 60,748 | $51.64 | $3.1M |
| 2026-08-17 | 27,801 | $52.10 | $1.4M |
| 2026-08-14 | 14,336 | $54.29 | $778K |
| 2026-08-12 | 50,893 | $55.69 | $2.8M |
| 2026-08-11 | 445 | $55.06 | $25K |
| 2026-08-10 | 24,149 | $52.05 | $1.3M |
| 2026-08-07 | 1,409 | $46.12 | $65K |
| 2026-08-06 | 1,150 | $46.70 | $54K |
| 2026-08-05 | 3,913 | $47.05 | $184K |
| 2026-08-04 | 63,716 | $46.05 | $2.9M |
| 2026-07-20 | 20,310 | $52.47 | $1.1M |
Insider trades
SEC Form 4, newest first. JSONInsiders at TEM reported 89 open-market sells worth $74.0M in the last 90 days and no open-market buys. Latest filing: Schoenherr Thomas Edward (CEO, Diagnostics) on 2026-09-25.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-09-25 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 10K | $85.00 | $874K | 77K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 160 | $78.86 | $13K | 100K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 14K | $78.23 | $1.1M | 100K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 29K | $77.29 | $2.3M | 114K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 6K | $76.57 | $492K | 144K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 24 | $78.86 | $2K | 802K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 2K | $78.23 | $164K | 802K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 4K | $77.29 | $342K | 804K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 965 | $76.57 | $74K | 809K |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 432 | $78.86 | $34K | 14.9M |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 38K | $78.23 | $3.0M | 14.9M |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 79K | $77.29 | $6.1M | 14.9M |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 17K | $76.57 | $1.3M | 15.0M |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 184 | $78.86 | $15K | 8.5M |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 16K | $78.23 | $1.3M | 8.5M |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 34K | $77.29 | $2.6M | 8.6M |
| 2026-09-22 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 7K | $76.57 | $566K | 8.6M |
| 2026-09-17 | Polovin Andrew | EVP, Chief Legal Officer | Sell | 3K | $75.00 | $221K | 135K |
| 2026-09-17 | Bartolucci Ryan M | Chief Accounting Officer | Sell | 7K | $75.00 | $530K | 61K |
| 2026-09-17 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 645 | $81.09 | $52K | 810K |
| 2026-09-17 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 7K | $80.52 | $552K | 810K |
| 2026-09-17 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 12K | $81.09 | $941K | 15.0M |
| 2026-09-17 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 123K | $80.52 | $9.9M | 15.0M |
| 2026-09-17 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 5K | $81.09 | $401K | 8.6M |
| 2026-09-17 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 53K | $80.52 | $4.2M | 8.6M |
| 2026-09-16 | Fukushima Ryan | CEO, Data | Sell | 700 | $70.00 | $49K | 16K |
| 2026-09-01 | Fukushima Ryan | CEO, Data | Sell | 1K | $64.63 | $65K | 17K |
| 2026-09-01 | Fukushima Ryan | CEO, Data | Sell | 6K | $63.80 | $376K | 18K |
| 2026-09-01 | Fukushima Ryan | CEO, Data | Sell | 11K | $62.64 | $683K | 23K |
| 2026-09-01 | Fukushima Ryan | CEO, Data | Sell | 13K | $62.12 | $810K | 34K |
| 2026-09-01 | Epstein David R | Director | Sell | 250 | $65.55 | $16K | 31K |
| 2026-09-01 | Doudna Jennifer A | Director | Sell | 676 | $65.55 | $44K | 25K |
| 2026-08-28 | West Nadja | Director | Sell | 3K | $69.00 | $207K | 32K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 681 | $70.58 | $48K | 150K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 11K | $69.83 | $780K | 151K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 20K | $68.97 | $1.4M | 162K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 9K | $68.13 | $608K | 181K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 4K | $67.01 | $245K | 190K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 3K | $65.98 | $226K | 194K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 2K | $64.70 | $122K | 197K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 660 | $64.03 | $42K | 199K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 102 | $70.58 | $7K | 817K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 2K | $69.83 | $116K | 817K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 3K | $68.96 | $199K | 819K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 1K | $68.13 | $93K | 822K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 578 | $67.01 | $39K | 823K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 515 | $65.98 | $34K | 824K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 284 | $64.70 | $18K | 824K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 101 | $64.03 | $6K | 825K |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 2K | $70.58 | $130K | 15.1M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 30K | $69.83 | $2.1M | 15.1M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 53K | $68.97 | $3.6M | 15.2M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 24K | $68.13 | $1.6M | 15.2M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 10K | $67.01 | $666K | 15.2M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 9K | $65.98 | $611K | 15.2M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 5K | $64.70 | $330K | 15.2M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 2K | $64.03 | $115K | 15.3M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 782 | $70.58 | $55K | 8.7M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 13K | $69.83 | $897K | 8.7M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 22K | $68.97 | $1.6M | 8.7M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 10K | $68.13 | $701K | 8.7M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 4K | $67.01 | $283K | 8.7M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 4K | $65.98 | $260K | 8.7M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 2K | $64.70 | $140K | 8.7M |
| 2026-08-25 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 760 | $64.03 | $49K | 8.7M |
| 2026-08-21 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 3K | $70.00 | $189K | 87K |
| 2026-08-21 | Fukushima Ryan | CEO, Data | Sell | 14K | $70.00 | $1.0M | 47K |
| 2026-08-19 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 494 | $61.23 | $30K | 90K |
| 2026-08-19 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 900 | $60.45 | $54K | 90K |
| 2026-08-19 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 3K | $59.97 | $180K | 91K |
| 2026-08-19 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 500 | $57.94 | $29K | 94K |
| 2026-08-19 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 100 | $56.47 | $6K | 95K |
| 2026-08-19 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 3K | $55.97 | $173K | 95K |
| 2026-08-19 | Rogers James William | Chief Financial Officer | Sell | 26K | $60.00 | $1.6M | 106K |
| 2026-08-19 | Polovin Andrew | EVP, Chief Legal Officer | Sell | 8K | $56.00 | $444K | 138K |
| 2026-08-18 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 9K | $49.61 | $458K | 98K |
| 2026-08-18 | Rogers James William | Chief Financial Officer | Sell | 23K | $49.61 | $1.1M | 132K |
| 2026-08-18 | Polovin Andrew | EVP, Chief Legal Officer | Sell | 22K | $49.61 | $1.1M | 146K |
| 2026-08-18 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 133K | $49.61 | $6.6M | 2.1M |
| 2026-08-18 | Fukushima Ryan | CEO, Data | Sell | 41K | $49.61 | $2.0M | 562K |
| 2026-08-18 | Bartolucci Ryan M | Chief Accounting Officer | Sell | 6K | $49.61 | $306K | 68K |
| 2026-08-14 | West Nadja | Director | Sell | 3K | $53.90 | $162K | 35K |
| 2026-08-12 | Fukushima Ryan | CEO, Data | Gift | 62K | $0.00 | $0 | 62K |
| 2026-08-07 | Fukushima Ryan | CEO, Data | Sell | 20K | $50.04 | $1.0M | 124K |
| 2026-08-03 | Fukushima Ryan | CEO, Data | Sell | 3K | $46.94 | $120K | 144K |
| 2026-08-03 | Fukushima Ryan | CEO, Data | Sell | 16K | $46.57 | $738K | 147K |
| 2026-08-03 | Fukushima Ryan | CEO, Data | Sell | 3K | $45.33 | $141K | 162K |
| 2026-08-03 | Fukushima Ryan | CEO, Data | Sell | 1K | $44.33 | $58K | 165K |
| 2026-08-03 | Fukushima Ryan | CEO, Data | Sell | 1K | $43.25 | $43K | 167K |
| 2026-08-03 | Epstein David R | Director | Sell | 370 | $43.40 | $16K | 31K |
| 2026-07-29 | Rogers James William | Chief Financial Officer | Grant | 40K | $0.00 | $0 | 155K |
| 2026-07-29 | Polovin Andrew | EVP, Chief Legal Officer | Grant | 40K | $0.00 | $0 | 168K |
| 2026-07-28 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 5K | $42.95 | $229K | 200K |
| 2026-07-28 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 27K | $42.36 | $1.1M | 205K |
| 2026-07-28 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 18K | $41.34 | $736K | 232K |
| 2026-07-28 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 798 | $42.95 | $34K | 825K |
| 2026-07-28 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 4K | $42.36 | $171K | 825K |
| 2026-07-28 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 3K | $41.34 | $110K | 829K |
| 2026-07-28 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 14K | $42.95 | $617K | 15.3M |
| 2026-07-28 | LEFKOFSKY ERIC P | CEO and Chairman | Sell | 73K | $42.36 | $3.1M | 15.3M |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON50 Form 144 notices on file for TEM worth $66.3M at the prices reported; 21 in the last 90 days worth $21.4M. Latest: THOMAS SCHOENHERR filed on 2026-09-25 to sell 10,281 shares ($846K) from 2026-09-25.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-09-25 | THOMAS SCHOENHERROfficer | 10K | $846K | 0.006% | 2026-09-25 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-09-17 | ANDREW POLOVINOfficer | 3K | $206K | 0.002% | 2026-09-17 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-09-17 | RYAN BARTOLUCCIOfficer | 9K | $651K | 0.005% | 2026-09-17 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-09-16 | VANESSA KUBOOfficer | 700 | $48K | 0.000% | 2026-09-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-09-01 | VANESSA KUBOOfficer | 31K | $1.9M | 0.018% | 2026-09-01 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-09-01 | JENNIFER DOUDNADirector | 676 | $43K | 0.000% | 2026-09-01 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-21 | THOMAS SCHOENHERROfficer | 3K | $180K | 0.002% | 2026-08-21 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-21 | VANESSA KUBOOfficer | 14K | $952K | 0.008% | 2026-08-21 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | Thomas Edward SchoenherrOfficer | 9K | $477K | 0.005% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | THOMAS SCHOENHERROfficer | 8K | $399K | 0.005% | 2026-08-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | James William RogersOfficer | 23K | $1.2M | 0.013% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | JAMES ROGERSOfficer | 26K | $1.3M | 0.015% | 2026-08-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | Andrew PolovinOfficer | 22K | $1.1M | 0.013% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | ANDREW POLOVINOfficer | 8K | $391K | 0.005% | 2026-08-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | Eric Paul LefkofskyOfficer, Director, 10% Stockholder | 133K | $6.8M | 0.076% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | Ryan FukushimaOfficer | 41K | $2.1M | 0.023% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-19 | Ryan M. BartolucciOfficer | 6K | $319K | 0.004% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-14 | NADJA WESTDirector | 6K | $326K | 0.003% | 2026-08-14 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-07 | VANESSA KUBOOfficer | 20K | $922K | 0.011% | 2026-08-07 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-03 | VANESSA KUBOOfficer | 24K | $1.0M | 0.014% | 2026-08-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-03 | DAVID R. EPSTEINDirector | 990 | $43K | 0.001% | 2026-08-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-07-08 | VANESSA KUBOOfficer | 33K | $2.0M | 0.019% | 2026-07-08 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-07-06 | VANESSA L KUBOOfficer | 10K | $603K | 0.006% | 2026-07-06 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-06-25 | JAMES ROGERSOfficer | 12K | $599K | 0.007% | 2026-06-25 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-20 | Thomas Edward SchoenherrOfficer | 2K | $69K | 0.001% | 2026-05-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-20 | James William RogersOfficer | 11K | $473K | 0.006% | 2026-05-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-20 | Andrew PolovinOfficer | 9K | $380K | 0.005% | 2026-05-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-20 | Erik PhelpsOfficer | 6K | $280K | 0.004% | 2026-05-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-20 | Eric Paul LefkofskyOfficer, Director, 10% Stockholder | 22K | $974K | 0.013% | 2026-05-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-20 | Ryan FukushimaOfficer | 14K | $591K | 0.008% | 2026-05-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-20 | Ryan M. BartolucciOfficer | 4K | $180K | 0.002% | 2026-05-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-04-15 | JENNIFER DOUDNADirector | 3K | $166K | 0.002% | 2026-04-15 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-03-02 | JAMES ROGERSOfficer | 14K | $723K | 0.008% | 2026-03-02 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-03-02 | DAVID R. EPSTEINDirector | 870 | $46K | 0.001% | 2026-03-02 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-20 | ANDREW POLOVINOfficer | 11K | $657K | 0.006% | 2026-02-20 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-20 | ERIK PHELPSOfficer | 4K | $229K | 0.002% | 2026-02-20 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-19 | James William RogersOfficer | 10K | $566K | 0.006% | 2026-02-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-19 | Andrew PolovinOfficer | 8K | $457K | 0.005% | 2026-02-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-19 | Erik PhelpsOfficer | 6K | $317K | 0.003% | 2026-02-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-19 | ERIK PHELPSOfficer | 4K | $214K | 0.002% | 2026-02-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-19 | Eric LefkofskyOfficer, Director, 10% Stockholder | 166K | $9.3M | 0.096% | 2026-02-19 | J.P. Morgan Securities LLC |
| 2026-02-19 | Eric Paul LefkofskyOfficer, Director, 10% Stockholder | 14K | $763K | 0.008% | 2026-02-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-19 | Ryan FukushimaOfficer | 10K | $539K | 0.006% | 2026-02-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-19 | Ryan M. BartolucciOfficer | 3K | $163K | 0.002% | 2026-02-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-01-28 | Eric LefkofskyOfficer, Director, 10% Stockholder | 166K | $11.1M | 0.096% | 2026-01-28 | J.P. Morgan Securities LLC |
| 2025-12-18 | Eric LefkofskyOfficer, Director, 10% Stockholder | 166K | $10.7M | 0.096% | 2025-12-18 | J.P. Morgan Securities LLC |
| 2025-12-16 | ERIK PHELPSOfficer | 1K | $89K | 0.001% | 2025-12-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-11 | JAMES ROGERSOfficer | 20K | $1.5M | 0.012% | 2025-12-11 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-05 | WAYNE FREDERICKDirector | 4K | $284K | 0.002% | 2025-12-05 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-11-24 | ANDREW POLOVINOfficer | 13K | $905K | 0.007% | 2025-11-24 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON7 holders report 5% or more of TEM in their latest filing, all on Schedule 13G (passive). The largest reported stake is Eric Paul Lefkofsky at 24.0% of the class (42,767,997 shares), filed 2026-02-10 for an event on 2025-12-31.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-10-28 | 13G/Ano. 2 | Bradley A. Keywellindividual | 6.1M | 3.5% | 2025-06-18 |
| 2026-10-28 | 13G/Ano. 2 | Churchill Investments 21 LLCcorporation | 3.3M | 1.9% | 2025-06-18 |
| 2026-10-28 | 13G/Ano. 2 | BK TL21 LLCcorporation | 2.2M | 1.3% | 2025-06-18 |
| 2026-10-28 | 13G/Ano. 2 | The Keywell Foundation Incother entity | 358K | 0.0% | 2025-06-18 |
| 2026-05-07 | 13G/Ano. 4 | BAILLIE GIFFORD & COinvestment adviser | 8.6M | 5.0% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 1 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
| 2026-03-06 | 13G | ARK Investment Management LLCinvestment adviser | 9.4M | 5.4% | 2026-02-28 |
| 2026-03-06 | 13G | Catherine D. Woodparent holding company, individual | 9.4M | 5.4% | 2026-02-28 |
| 2026-02-10 | 13G/Ano. 2 | Eric Paul Lefkofskyindividual | 42.8M | 24.0% | 2025-12-31 |
| 2026-02-10 | 13G/Ano. 2 | Blue Media, LLCother entity | 21.1M | 11.8% | 2025-12-31 |
| 2026-02-10 | 13G/Ano. 2 | Lefkofsky Family 2025 GRATother entity | 10.0M | 5.8% | 2025-12-31 |
| 2026-02-10 | 13G/Ano. 2 | Gray Media, LLCother entity | 9.0M | 5.2% | 2025-12-31 |
| 2025-11-13 | 13G/Ano. 3 | Red Sky Ventures LLCother entity | 8.1M | 4.7% | 2025-09-30 |
| 2025-11-13 | 13G/Ano. 3 | Kimberly Jo Keywellindividual | 8.1M | 4.7% | 2025-09-30 |
13F holders
Tracked managers holding TEM at their latest 13F. JSON5 of the 30 tracked managers held TEM at their latest 13F, $742.3M in total at quarter-end prices. ARK Investment Management is the largest at $580.6M (3.8% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 1 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| ARK Investment Management | 2026-06-30 | 10.0M | $580.6M | 3.77% | +415K |
| Citadel Advisors | 2026-06-30 | 2.5M | $145.5M | 0.02% | +1.9M |
| Millennium Management | 2026-06-30 | 146K | $8.5M | 0.00% | new |
| AQR Capital Management | 2026-06-30 | 70K | $4.0M | 0.00% | new |
| Two Sigma Investments | 2026-06-30 | 64K | $3.7M | 0.00% | -736K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Tempus AI in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Tempus AI (TEM), SEC CIK 1717115, listed on Nasdaq, classified by the SEC as services-computer programming, data processing, etc.. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-28.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-28.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-09-25.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-10-28.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-07-30.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-09-25.JSON and CSV
- Company record
- EDGAR filing index for CIK 1717115Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
Other companies the SEC classifies as services-computer programming, data processing, etc.
Other company pages
Datasets
Frequently Asked Questions
How much of TEM is sold short?
25,375,199 shares were held short at the 2026-10-15 settlement, 3.5 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is TEM's daily short volume?
On 2026-10-28, 1,406,395 of the 3,062,323 TEM shares reported to FINRA were sold short, 45.9% of the day's reported volume. Short volume is a flow for one day, not a position.
Does TEM have fails to deliver?
The SEC's latest file shows 1,582 TEM shares failed to deliver at settlement 2026-09-28. Fails are reported per settlement date and published twice a month with a lag.
Are TEM insiders buying or selling?
Insiders at TEM reported 89 open-market sells worth $74.0M in the last 90 days and no open-market buys. Latest filing: Schoenherr Thomas Edward (CEO, Diagnostics) on 2026-09-25.
Have TEM insiders filed to sell?
50 Form 144 notices on file for TEM worth $66.3M at the prices reported; 21 in the last 90 days worth $21.4M. Latest: THOMAS SCHOENHERR filed on 2026-09-25 to sell 10,281 shares ($846K) from 2026-09-25.
Who owns 5% or more of TEM?
7 holders report 5% or more of TEM in their latest filing, all on Schedule 13G (passive). The largest reported stake is Eric Paul Lefkofsky at 24.0% of the class (42,767,997 shares), filed 2026-02-10 for an event on 2025-12-31.
Which tracked 13F managers own TEM?
5 of the 30 tracked 13F managers held TEM shares at their latest filing, $742.3M in all. The largest: Cathie Wood's ARK Investment Management (10.0M shares, $580.6M), Ken Griffin's Citadel Advisors (2.5M shares, $145.5M), Izzy Englander's Millennium Management (146K shares, $8.5M), Cliff Asness's AQR Capital Management (70K shares, $4.0M), Two Sigma Investments (64K shares, $3.7M).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.