Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 6/18/2026 10:01:40 PM
1 Month
Buy/Sell Ratio 0.01
0%
100%
Buy Sell
$253,750 ($50.05) M
1 Insiders 35 Insiders
1 Transactions 46 Transactions
5/18/2026 to 6/18/2026
3 Month
Buy/Sell Ratio 0.08
7%
93%
Buy Sell
$6.27 M ($75.81) M
7 Insiders 48 Insiders
7 Transactions 80 Transactions
3/18/2026 to 6/18/2026
6 Month
Buy/Sell Ratio 0.04
4%
96%
Buy Sell
$6.27 M ($143.12) M
7 Insiders 65 Insiders
7 Transactions 187 Transactions
12/18/2025 to 6/18/2026
12 Month
Buy/Sell Ratio 0.03
2%
98%
Buy Sell
$8.25 M ($280.04) M
17 Insiders 97 Insiders
19 Transactions 411 Transactions
6/18/2025 to 6/18/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months
Name Value Transactions
Burning Rock Biotech Ltd
$5,466,143 1
Caris Life Sciences, Inc.
$630,000 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
Caris Life Sciences, Inc.
$157,500 1
Billiontoone, Inc.
$150,000 1
Fortrea Holdings Inc.
$100,018 1
Billiontoone, Inc.
$60,000 1

Most Insider Selling

12 months
Name Value Transactions
Natera, Inc.
($41,042,948) 17
Natera, Inc.
($38,558,055) 9
Guardant Health, Inc.
($27,238,215) 2
Natera, Inc.
($14,868,098) 25
GRAIL, Inc.
($12,929,044) 11
GRAIL, Inc.
($12,763,744) 6
Natera, Inc.
($11,011,477) 1
Natera, Inc.
($9,242,799) 21
Natera, Inc.
($7,122,627) 15
LABCORP HOLDINGS INC.
($6,954,299) 4

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
Burning Rock Biotech Ltd 1 1
Lumexa Imaging Holdings, Inc. 1 1

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Natera, Inc. 10 114
Veracyte, Inc. 10 28
Guardant Health, Inc. 10 20
LABCORP HOLDINGS INC. 9 17
Radnet, Inc. 8 16
Quest Diagnostics Inc 7 16
Caredx, Inc. 5 15
Exact Sciences Corp 5 8
Castle Biosciences Inc 4 36
GRAIL, Inc. 4 26

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
Natera, Inc. 0.00 $0 ($33,126,777) 0.00 $0 ($87,173,489) 0.00 $0 ($133,028,604)
Guardant Health, Inc. 0.00 $0 ($6,097,073) 0.00 $0 ($8,585,060) 0.00 $0 ($41,984,861)
Radnet, Inc. 0.00 $0 ($2,838,934) 0.00 $0 ($4,704,228) 0.00 $0 ($22,255,706)
Billiontoone, Inc. 0.00 $0 ($2,475,703) 0.00 $0 ($2,475,703) 0.27 $678,000 ($2,475,703)
Quest Diagnostics Inc 0.00 $0 ($1,941,400) 0.00 $0 ($8,182,534) 0.00 $0 ($9,413,426)
Veracyte, Inc. 0.00 $0 ($1,474,980) 0.00 $0 ($5,080,891) 0.00 $0 ($9,432,616)
Caredx, Inc. 0.00 $0 ($1,349,092) 0.00 $0 ($2,553,817) 0.00 $0 ($2,955,556)
LABCORP HOLDINGS INC. 0.00 $0 ($201,084) 0.00 $0 ($5,596,192) 0.00 $0 ($13,068,530)
Castle Biosciences Inc 0.00 $0 ($177,837) 0.00 $0 ($2,673,508) 0.00 $0 ($9,036,758)
Fulgent Genetics, Inc. 0.00 $0 ($106,343) 0.00 $0 ($106,343) 0.00 $0 ($681,473)
GRAIL, Inc. 0.00 $0 ($91,070) 0.00 $0 ($15,575,732) 0.00 $0 ($31,657,432)
Sera Prognostics, Inc. 0.00 $0 ($90,617) 0.00 $0 ($206,411) 0.00 $0 ($764,942)
Fortrea Holdings Inc. 0.00 $0 ($78,617) 0.00 $0 ($105,497) 4.81 $507,168 ($105,497)
Lumexa Imaging Holdings, Inc. -- $253,750 $0 -- $253,750 $0 -- $253,750 $0
Exagen Inc. -- $0 $0 0.00 $0 ($103,807) 0.00 $0 ($679,768)
Aclarion, Inc. -- $0 $0 -- $50,915 $0 -- $50,977 $0
Burning Rock Biotech Ltd -- $0 $0 -- $5,466,143 $0 -- $5,466,143 $0
Caris Life Sciences, Inc. -- $0 $0 -- $501,426 $0 -- $1,298,466 $0
Personalis, Inc. -- $0 $0 -- $0 $0 0.00 $0 ($273,393)
Exact Sciences Corp -- $0 $0 -- $0 $0 0.00 $0 ($1,802,808)
Celcuity Inc. -- $0 $0 -- $0 $0 0.00 $0 ($420,767)