Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 9/14/2026 10:02:20 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
$95,620 ($37.13) M
2 Insiders 23 Insiders
3 Transactions 31 Transactions
8/14/2026 to 9/14/2026
3 Month
Buy/Sell Ratio 0.06
6%
94%
Buy Sell
$6.57 M ($101.58) M
10 Insiders 49 Insiders
15 Transactions 100 Transactions
6/14/2026 to 9/14/2026
6 Month
Buy/Sell Ratio 0.07
6%
94%
Buy Sell
$16.21 M ($226.55) M
15 Insiders 72 Insiders
26 Transactions 187 Transactions
3/14/2026 to 9/14/2026
12 Month
Buy/Sell Ratio 0.04
4%
96%
Buy Sell
$18.11 M ($420.43) M
23 Insiders 102 Insiders
37 Transactions 437 Transactions
9/14/2025 to 9/14/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months
Name Value Transactions
Burning Rock Biotech Ltd
$11,648,315 8
AMERICAN SHARED HOSPITAL SERVICES
$1,337,147 1
Biodesix Inc
$1,111,422 3
MDxHealth SA
$1,000,000 1
Caris Life Sciences, Inc.
$990,080 1
Caris Life Sciences, Inc.
$501,426 1
Billiontoone, Inc.
$414,000 1
Lumexa Imaging Holdings, Inc.
$253,750 1
Lumexa Imaging Holdings, Inc.
$223,113 1
Billiontoone, Inc.
$150,000 1

Most Insider Selling

12 months
Name Value Transactions
Natera, Inc.
($59,981,355) 15
Natera, Inc.
($40,528,525) 17
Guardant Health, Inc.
($39,688,811) 4
Natera, Inc.
($34,893,028) 2
Guardant Health, Inc.
($22,032,189) 2
Natera, Inc.
($21,195,534) 25
Natera, Inc.
($17,359,641) 36
Natera, Inc.
($17,257,277) 14
Natera, Inc.
($15,143,977) 2
GRAIL, Inc.
($12,763,744) 6

Most Unique Insiders Buying (>25K)

12 months
Name Unique insiders Total Trades
Billiontoone, Inc. 4 4
Caris Life Sciences, Inc. 3 3
Lumexa Imaging Holdings, Inc. 2 2
Burning Rock Biotech Ltd 1 8
Biodesix Inc 1 2
Aclarion, Inc. 1 1
MDxHealth SA 1 1
AMERICAN SHARED HOSPITAL SERVICES 1 1
YD Bio Ltd 1 1

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Guardant Health, Inc. 13 28
Veracyte, Inc. 11 32
Natera, Inc. 10 145
LABCORP HOLDINGS INC. 9 14
Quest Diagnostics Inc 8 16
Caredx, Inc. 7 17
Radnet, Inc. 7 11
Exact Sciences Corp 5 7
Castle Biosciences Inc 4 41
GRAIL, Inc. 4 24

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
Natera, Inc. 0.00 $0 ($22,861,215) 0.00 $0 ($118,349,477) 0.00 $0 ($222,999,405)
Guardant Health, Inc. 0.00 $0 ($6,975,578) 0.00 $0 ($55,454,657) 0.00 $0 ($79,546,038)
Quest Diagnostics Inc 0.00 $0 ($2,427,200) 0.00 $0 ($4,744,888) 0.00 $0 ($11,496,039)
Castle Biosciences Inc 0.00 $0 ($1,262,929) 0.00 $0 ($4,160,229) 0.00 $0 ($10,444,602)
GRAIL, Inc. 0.00 $0 ($1,096,677) 0.00 $0 ($12,717,365) 0.00 $0 ($31,776,055)
LABCORP HOLDINGS INC. 0.00 $0 ($954,060) 0.00 $0 ($5,096,841) 0.00 $0 ($11,621,259)
Veracyte, Inc. 0.00 $0 ($942,112) 0.00 $0 ($3,012,538) 0.00 $0 ($10,338,830)
Billiontoone, Inc. 0.00 $0 ($279,817) 0.00 $0 ($6,072,877) 0.11 $678,000 ($6,072,877)
Exagen Inc. 0.00 $0 ($148,782) 0.00 $0 ($148,782) 0.00 $0 ($628,187)
Fulgent Genetics, Inc. 0.00 $0 ($117,132) 0.00 $0 ($223,475) 0.00 $0 ($677,576)
Sera Prognostics, Inc. 0.00 $0 ($63,274) 0.00 $0 ($153,891) 0.00 $0 ($548,314)
YD Bio Ltd -- $79,630 $0 -- $79,630 $0 -- $79,630 $0
Aclarion, Inc. -- $15,990 $0 -- $176,585 $0 -- $176,647 $0
Caredx, Inc. -- $0 $0 0.00 $0 ($5,741,024) 0.00 $0 ($6,639,864)
Radnet, Inc. -- $0 $0 0.00 $0 ($4,849,677) 0.00 $0 ($15,912,090)
Celcuity Inc. -- $0 $0 0.00 $0 ($3,517,000) 0.00 $0 ($7,417,554)
Burning Rock Biotech Ltd -- $0 $0 -- $11,648,315 $0 -- $11,648,315 $0
MDxHealth SA -- $0 $0 -- $1,000,000 $0 -- $1,000,000 $0
AMERICAN SHARED HOSPITAL SERVICES -- $0 $0 -- $1,337,147 $0 -- $1,337,147 $0
Fortrea Holdings Inc. -- $0 $0 0.00 $0 ($2,306,478) 0.00 $0 ($2,306,478)
Caris Life Sciences, Inc. -- $0 $0 -- $1,491,506 $0 -- $1,601,839 $0
Lumexa Imaging Holdings, Inc. -- $0 $0 -- $476,863 $0 -- $476,863 $0
Personalis, Inc. -- $0 $0 -- $0 $0 0.00 $0 ($266,212)
Exact Sciences Corp -- $0 $0 -- $0 $0 0.00 $0 ($1,740,409)
Biodesix Inc -- $0 $0 -- $0 $0 -- $1,111,422 $0