Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 8/4/2026 10:01:49 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
-- ($10.04) M
0 Insiders 13 Insiders
0 Transactions 24 Transactions
7/4/2026 to 8/4/2026
3 Month
Buy/Sell Ratio 0.07
6%
94%
Buy Sell
$9.54 M ($142.73) M
10 Insiders 52 Insiders
16 Transactions 98 Transactions
5/4/2026 to 8/4/2026
6 Month
Buy/Sell Ratio 0.08
7%
93%
Buy Sell
$15.00 M ($191.82) M
10 Insiders 75 Insiders
17 Transactions 193 Transactions
2/4/2026 to 8/4/2026
12 Month
Buy/Sell Ratio 0.05
4%
96%
Buy Sell
$18.91 M ($398.17) M
20 Insiders 97 Insiders
32 Transactions 445 Transactions
8/4/2025 to 8/4/2026

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
Biodesix Inc
$2,611,422 4
AMERICAN SHARED HOSPITAL SERVICES
$1,337,147 1
Caris Life Sciences, Inc.
$990,080 1
Caris Life Sciences, Inc.
$501,426 1
Billiontoone, Inc.
$414,000 1
Fortrea Holdings Inc.
$407,150 2
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.
($43,598,095) 13
Natera, Inc.
($40,009,848) 16
Guardant Health, Inc.
($39,868,184) 3
Natera, Inc.
($34,893,028) 2
Guardant Health, Inc.
($33,345,427) 3
Natera, Inc.
($17,167,769) 13
Natera, Inc.
($15,143,977) 2
Natera, Inc.
($15,007,892) 24
Natera, Inc.
($13,217,785) 35
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
Fortrea Holdings Inc. 2 3
Lumexa Imaging Holdings, Inc. 2 2
Burning Rock Biotech Ltd 1 8
Biodesix Inc 1 3
AMERICAN SHARED HOSPITAL SERVICES 1 1

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Guardant Health, Inc. 13 29
Natera, Inc. 10 137
Veracyte, Inc. 10 29
Radnet, Inc. 9 18
Quest Diagnostics Inc 8 17
LABCORP HOLDINGS INC. 7 12
Exact Sciences Corp 5 8
Castle Biosciences Inc 4 39
GRAIL, Inc. 4 24
Caredx, Inc. 4 14

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
Natera, Inc. 0.00 $0 ($6,187,503) 0.00 $0 ($89,025,495) 0.00 $0 ($193,852,587)
Billiontoone, Inc. 0.00 $0 ($2,915,799) 0.00 $0 ($5,661,477) 0.12 $678,000 ($5,661,477)
Castle Biosciences Inc 0.00 $0 ($556,175) 0.00 $0 ($2,930,659) 0.00 $0 ($10,092,792)
Quest Diagnostics Inc 0.00 $0 ($376,288) 0.00 $0 ($8,558,822) 0.00 $0 ($9,789,714)
Caredx, Inc. -- $0 $0 0.00 $0 ($1,836,505) 0.00 $0 ($2,769,725)
Guardant Health, Inc. -- $0 $0 0.00 $0 ($48,479,079) 0.00 $0 ($90,662,182)
LABCORP HOLDINGS INC. -- $0 $0 0.00 $0 ($5,596,192) 0.00 $0 ($10,393,403)
Fulgent Genetics, Inc. -- $0 $0 0.00 $0 ($106,343) 0.00 $0 ($681,473)
Veracyte, Inc. -- $0 $0 0.00 $0 ($5,278,126) 0.00 $0 ($9,629,850)
Sera Prognostics, Inc. -- $0 $0 0.00 $0 ($194,471) 0.00 $0 ($764,390)
Exagen Inc. -- $0 $0 0.00 $0 ($103,807) 0.00 $0 ($679,768)
Radnet, Inc. -- $0 $0 0.00 $0 ($4,849,677) 0.00 $0 ($22,756,655)
Celcuity Inc. -- $0 $0 0.00 $0 ($3,517,000) 0.00 $0 ($7,417,554)
Aclarion, Inc. -- $0 $0 -- $50,915 $0 -- $50,977 $0
Burning Rock Biotech Ltd -- $0 $0 -- $11,648,315 $0 -- $11,648,315 $0
AMERICAN SHARED HOSPITAL SERVICES -- $0 $0 -- $1,337,147 $0 -- $1,337,147 $0
Fortrea Holdings Inc. -- $0 $0 0.00 $0 ($105,497) 4.81 $507,168 ($105,497)
GRAIL, Inc. -- $0 $0 0.00 $0 ($15,575,732) 0.00 $0 ($30,842,008)
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 ($1,802,808)
Biodesix Inc -- $0 $0 -- $0 $0 -- $2,611,422 $0