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Industry - Medical Laboratories
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Services
Health Services
Include option trades
Include indirect trades
Latest data: 9/9/2025 10:04:53 PM
1 Month
Buy/Sell Ratio 0.14
12%
88%
Buy
Sell
$1.80 M
($13.19) M
3 Insiders
30 Insiders
3 Transactions
41 Transactions
8/9/2025 to 9/9/2025
3 Month
Buy/Sell Ratio 0.08
7%
93%
Buy
Sell
$2.79 M
($33.23) M
5 Insiders
49 Insiders
6 Transactions
107 Transactions
6/9/2025 to 9/9/2025
6 Month
Buy/Sell Ratio 0.04
4%
96%
Buy
Sell
$4.11 M
($97.87) M
5 Insiders
67 Insiders
8 Transactions
218 Transactions
3/9/2025 to 9/9/2025
12 Month
Buy/Sell Ratio 0.05
4%
96%
Buy
Sell
$10.86 M
($219.89) M
13 Insiders
85 Insiders
21 Transactions
452 Transactions
9/9/2024 to 9/9/2025
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Kamin Peter
Psychemedics Corp
$3,312,823
1
Schuler Jack W
Biodesix Inc
$3,310,049
6
Kim Paul
Fulgent Genetics, Inc.
$1,596,470
1
Conroy Kevin T
Exact Sciences Corp
$1,001,325
1
Brille Brian J
Caris Life Sciences, Inc.
$630,000
1
Neupert Peter M
Fortrea Holdings Inc.
$407,150
2
Denton John Russel
Caris Life Sciences, Inc.
$157,500
1
Kennedy Lawrence T. Jr
Biodesix Inc
$137,630
3
Patience John
Biodesix Inc
$103,710
1
Russell Erin L
Fortrea Holdings Inc.
$100,018
1
Most Insider Selling
12 months
Name
Value
Transactions
Rabinowitz Matthew
Natera, Inc.
($44,615,464)
13
Chapman Steven Leonard
Natera, Inc.
($24,469,900)
14
Botha Roelof
Natera, Inc.
($14,793,563)
1
Sheena Jonathan
Natera, Inc.
($13,555,237)
31
Talasaz Amirali
Guardant Health, Inc.
($11,910,936)
5
Moshkevich Solomon
Natera, Inc.
($11,532,293)
22
Brophy Michael Burkes
Natera, Inc.
($11,306,075)
15
Jayanathan Ranjan
Radnet, Inc.
($7,512,425)
2
Davis J. E.
Quest Diagnostics Inc
($6,602,074)
1
Sorensen Alma Gregory
Radnet, Inc.
($5,674,100)
2
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Biodesix Inc
4
11
Fortrea Holdings Inc.
2
3
Caris Life Sciences, Inc.
2
2
Exact Sciences Corp
1
1
Fulgent Genetics, Inc.
1
1
Exagen Inc.
1
1
Psychemedics Corp
1
1
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Natera, Inc.
10
121
Veracyte, Inc.
9
19
LABCORP HOLDINGS INC.
8
21
Radnet, Inc.
8
17
Sera Prognostics, Inc.
7
28
Quest Diagnostics Inc
7
19
Castle Biosciences Inc
5
48
Caredx, Inc.
5
12
Guardant Health, Inc.
5
11
GRAIL, Inc.
3
17
Companies with activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Radnet, Inc.
0.00
$0
($6,045,105)
0.00
$0
($13,412,168)
0.00
$0
($19,030,120)
Natera, Inc.
0.00
$0
($2,276,886)
0.00
$0
($36,849,298)
0.00
$0
($132,260,811)
Castle Biosciences Inc
0.00
$0
($1,567,625)
0.00
$0
($2,301,988)
0.00
$0
($6,030,033)
LABCORP HOLDINGS INC.
0.00
$0
($1,505,440)
0.00
$0
($7,762,841)
0.00
$0
($10,729,711)
Quest Diagnostics Inc
0.00
$0
($720,875)
0.00
$0
($8,853,410)
0.00
$0
($11,204,339)
Veracyte, Inc.
0.00
$0
($233,133)
0.00
$0
($554,297)
0.00
$0
($6,247,198)
Exagen Inc.
0.00
$0
($200,362)
0.00
$0
($200,362)
0.33
$66,448
($200,362)
GRAIL, Inc.
0.00
$0
($162,630)
0.00
$0
($7,971,203)
0.00
$0
($10,574,082)
Sera Prognostics, Inc.
0.00
$0
($157,162)
0.00
$0
($417,087)
0.00
$0
($2,249,793)
Guardant Health, Inc.
0.00
$0
($138,475)
0.00
$0
($12,743,944)
0.00
$0
($13,052,860)
Fulgent Genetics, Inc.
0.00
$0
($121,029)
0.00
$0
($219,166)
4.74
$1,596,470
($336,631)
Exact Sciences Corp
0.00
$0
($62,400)
0.00
$0
($233,012)
2.76
$1,001,325
($363,072)
Biodesix Inc
--
$1,500,000
$0
--
$2,816,624
$0
--
$3,587,846
$0
Fortrea Holdings Inc.
--
$303,468
$0
--
$507,168
$0
--
$507,168
$0
Caredx, Inc.
--
$0
$0
0.00
$0
($1,507,607)
0.00
$0
($1,789,107)
Personalis, Inc.
--
$0
$0
0.00
$0
($26,367)
0.00
$0
($241,065)
Celcuity Inc.
--
$0
$0
0.00
$0
($4,818,370)
0.00
$0
($4,824,057)
Caris Life Sciences, Inc.
--
$0
$0
--
$787,500
$0
--
$787,500
$0
Psychemedics Corp
--
$0
$0
--
$0
$0
4.40
$3,312,823
($753,664)