Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 5/1/2026 10:07:44 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
-- ($16.16) M
0 Insiders 11 Insiders
0 Transactions 13 Transactions
4/1/2026 to 5/1/2026
3 Month
Buy/Sell Ratio 0.08
7%
93%
Buy Sell
$5.47 M ($68.84) M
1 Insiders 42 Insiders
1 Transactions 95 Transactions
2/1/2026 to 5/1/2026
6 Month
Buy/Sell Ratio 0.04
3%
97%
Buy Sell
$6.15 M ($154.31) M
8 Insiders 65 Insiders
8 Transactions 214 Transactions
11/1/2025 to 5/1/2026
12 Month
Buy/Sell Ratio 0.03
2%
98%
Buy Sell
$7.45 M ($252.05) M
12 Insiders 91 Insiders
13 Transactions 409 Transactions
5/1/2025 to 5/1/2026

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
Billiontoone, Inc.
$414,000 1
Fortrea Holdings Inc.
$407,150 2
Caris Life Sciences, Inc.
$157,500 1
Billiontoone, Inc.
$150,000 1
Fortrea Holdings Inc.
$100,018 1
Billiontoone, Inc.
$60,000 1
Billiontoone, Inc.
$48,000 1
Caris Life Sciences, Inc.
$9,540 1

Most Insider Selling

12 months
Name Value Transactions
Natera, Inc.
($32,727,277) 16
Guardant Health, Inc.
($27,238,215) 2
GRAIL, Inc.
($15,954,351) 7
Natera, Inc.
($15,468,536) 5
GRAIL, Inc.
($14,974,930) 13
Natera, Inc.
($13,914,010) 24
Natera, Inc.
($11,011,477) 1
Natera, Inc.
($8,903,986) 20
Radnet, Inc.
($7,539,394) 4
GRAIL, Inc.
($7,269,793) 9

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 2
Burning Rock Biotech Ltd 1 1

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Natera, Inc. 10 104
Veracyte, Inc. 10 26
Radnet, Inc. 10 18
Guardant Health, Inc. 9 19
LABCORP HOLDINGS INC. 8 18
Quest Diagnostics Inc 8 17
Caredx, Inc. 5 12
Exact Sciences Corp 5 9
Castle Biosciences Inc 4 35
GRAIL, Inc. 3 29

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 ($38,199,075)
Natera, Inc. 0.00 $0 ($4,062,781) 0.00 $0 ($75,495,867) 0.00 $0 ($99,985,597)
Guardant Health, Inc. 0.00 $0 ($355,150) 0.00 $0 ($17,779,716) 0.00 $0 ($42,919,908)
Caredx, Inc. 0.00 $0 ($217,156) 0.00 $0 ($1,115,996) 0.00 $0 ($2,006,636)
Personalis, Inc. -- $0 $0 0.00 $0 ($266,212) 0.00 $0 ($292,579)
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 ($750,409) 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 ($387,347) 0.00 $0 ($830,329)
Castle Biosciences Inc -- $0 $0 0.00 $0 ($6,783,775) 0.00 $0 ($8,858,921)
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 ($26,042,535)
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 -- $9,540 $0 -- $797,040 $0
Billiontoone, Inc. -- $0 $0 -- $678,000 $0 -- $678,000 $0
Celcuity Inc. -- $0 $0 -- $0 $0 0.00 $0 ($420,767)
Fortrea Holdings Inc. -- $0 $0 -- $0 $0 -- $507,168 $0