Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 5/4/2026 10:05:48 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
-- ($16.31) M
0 Insiders 11 Insiders
0 Transactions 14 Transactions
4/4/2026 to 5/4/2026
3 Month
Buy/Sell Ratio 0.12
11%
89%
Buy Sell
$5.47 M ($44.22) M
1 Insiders 41 Insiders
1 Transactions 86 Transactions
2/4/2026 to 5/4/2026
6 Month
Buy/Sell Ratio 0.04
3%
97%
Buy Sell
$6.25 M ($174.46) M
9 Insiders 64 Insiders
9 Transactions 216 Transactions
11/4/2025 to 5/4/2026
12 Month
Buy/Sell Ratio 0.04
3%
97%
Buy Sell
$11.48 M ($295.90) M
13 Insiders 93 Insiders
20 Transactions 439 Transactions
5/4/2025 to 5/4/2026

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
Biodesix Inc
$3,928,047 6
Caris Life Sciences, Inc.
$630,000 1
Billiontoone, Inc.
$414,000 1
Fortrea Holdings Inc.
$407,150 2
Caris Life Sciences, Inc.
$258,293 2
Billiontoone, Inc.
$150,000 1
Fortrea Holdings Inc.
$100,018 1
Billiontoone, Inc.
$60,000 1
Billiontoone, Inc.
$48,000 1

Most Insider Selling

12 months
Name Value Transactions
Natera, Inc.
($32,727,277) 16
Natera, Inc.
($28,405,394) 13
Guardant Health, Inc.
($27,238,215) 2
Natera, Inc.
($17,708,936) 1
Natera, Inc.
($13,914,010) 24
GRAIL, Inc.
($13,339,063) 12
GRAIL, Inc.
($12,763,744) 6
Natera, Inc.
($12,648,874) 33
Guardant Health, Inc.
($11,227,101) 4
Natera, Inc.
($11,011,477) 1

Most Unique Insiders Buying (>25K)

12 months
Name Unique insiders Total Trades
Billiontoone, Inc. 4 4
Fortrea Holdings Inc. 2 3
Caris Life Sciences, Inc. 2 3
Biodesix Inc 1 5
Burning Rock Biotech Ltd 1 1

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Natera, Inc. 11 126
Veracyte, Inc. 10 26
Guardant Health, Inc. 10 21
Radnet, Inc. 10 19
LABCORP HOLDINGS INC. 8 18
Quest Diagnostics Inc 8 17
Caredx, Inc. 5 12
Exact Sciences Corp 5 9
Castle Biosciences Inc 4 38
GRAIL, Inc. 3 26

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
GRAIL, Inc. 0.00 $0 ($11,529,618) 0.00 $0 ($23,207,417) 0.00 $0 ($31,976,380)
Natera, Inc. 0.00 $0 ($4,212,529) 0.00 $0 ($85,841,328) 0.00 $0 ($134,376,279)
Guardant Health, Inc. 0.00 $0 ($355,150) 0.00 $0 ($24,467,680) 0.00 $0 ($49,227,540)
Caredx, Inc. 0.00 $0 ($217,156) 0.00 $0 ($1,115,996) 0.00 $0 ($2,006,636)
LABCORP HOLDINGS INC. -- $0 $0 0.00 $0 ($5,402,293) 0.00 $0 ($13,507,629)
Exact Sciences Corp -- $0 $0 0.00 $0 ($445,000) 0.00 $0 ($1,973,421)
Quest Diagnostics Inc -- $0 $0 0.00 $0 ($6,480,834) 0.00 $0 ($7,778,827)
Fulgent Genetics, Inc. -- $0 $0 0.00 $0 ($454,101) 0.00 $0 ($673,267)
Veracyte, Inc. -- $0 $0 0.00 $0 ($6,784,190) 0.00 $0 ($7,880,589)
Sera Prognostics, Inc. -- $0 $0 0.00 $0 ($381,207) 0.00 $0 ($830,329)
Castle Biosciences Inc -- $0 $0 0.00 $0 ($6,579,993) 0.00 $0 ($9,580,627)
Exagen Inc. -- $0 $0 0.00 $0 ($103,807) 0.00 $0 ($679,768)
Radnet, Inc. -- $0 $0 0.00 $0 ($9,299,397) 0.00 $0 ($26,398,035)
Celcuity Inc. -- $0 $0 0.00 $0 ($3,900,554) 0.00 $0 ($8,718,924)
Aclarion, Inc. -- $0 $0 -- $62 $0 -- $62 $0
Burning Rock Biotech Ltd -- $0 $0 -- $5,466,143 $0 -- $5,466,143 $0
Caris Life Sciences, Inc. -- $0 $0 -- $110,333 $0 -- $897,833 $0
Billiontoone, Inc. -- $0 $0 -- $678,000 $0 -- $678,000 $0
Personalis, Inc. -- $0 $0 -- $0 $0 0.00 $0 ($292,579)
Biodesix Inc -- $0 $0 -- $0 $0 -- $3,928,047 $0
Fortrea Holdings Inc. -- $0 $0 -- $0 $0 -- $507,168 $0