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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: 10/29/2025 10:06:27 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy
Sell
--
($16.08) M
0 Insiders
22 Insiders
0 Transactions
38 Transactions
9/29/2025 to 10/29/2025
3 Month
Buy/Sell Ratio 0.05
4%
96%
Buy
Sell
$3.12 M
($65.84) M
3 Insiders
49 Insiders
7 Transactions
113 Transactions
7/29/2025 to 10/29/2025
6 Month
Buy/Sell Ratio 0.04
4%
96%
Buy
Sell
$5.22 M
($123.67) M
5 Insiders
68 Insiders
11 Transactions
220 Transactions
4/29/2025 to 10/29/2025
12 Month
Buy/Sell Ratio 0.05
4%
96%
Buy
Sell
$11.97 M
($261.87) M
13 Insiders
88 Insiders
24 Transactions
472 Transactions
10/29/2024 to 10/29/2025
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Schuler Jack W
Biodesix Inc
$4,421,471
9
Kamin Peter
Psychemedics Corp
$3,312,823
1
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.
($56,384,839)
18
Chapman Steven Leonard
Natera, Inc.
($23,920,172)
13
Eltoukhy Helmy
Guardant Health, Inc.
($17,835,995)
1
Botha Roelof
Natera, Inc.
($14,793,563)
1
Sheena Jonathan
Natera, Inc.
($13,743,765)
33
Moshkevich Solomon
Natera, Inc.
($12,282,756)
23
Talasaz Amirali
Guardant Health, Inc.
($11,910,936)
5
Brophy Michael Burkes
Natera, Inc.
($11,846,043)
14
Ofman Joshua J.
GRAIL, Inc.
($9,720,081)
11
Jayanathan Ranjan
Radnet, Inc.
($7,512,425)
2
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Biodesix Inc
4
13
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
129
Radnet, Inc.
9
22
Veracyte, Inc.
8
22
LABCORP HOLDINGS INC.
8
20
Quest Diagnostics Inc
8
19
Sera Prognostics, Inc.
7
26
Guardant Health, Inc.
7
13
Castle Biosciences Inc
5
43
Caredx, Inc.
5
12
GRAIL, Inc.
3
21
Companies with activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
GRAIL, Inc.
0.00
$0
($7,380,891)
0.00
$0
($14,991,658)
0.00
$0
($16,224,148)
Natera, Inc.
0.00
$0
($6,518,330)
0.00
$0
($41,001,002)
0.00
$0
($145,433,446)
Exact Sciences Corp
0.00
$0
($990,000)
0.00
$0
($1,223,012)
0.82
$1,001,325
($1,223,012)
Veracyte, Inc.
0.00
$0
($465,182)
0.00
$0
($1,096,398)
0.00
$0
($6,607,037)
Exagen Inc.
0.00
$0
($375,598)
0.00
$0
($575,961)
0.12
$66,448
($575,961)
Quest Diagnostics Inc
0.00
$0
($270,317)
0.00
$0
($1,297,992)
0.00
$0
($11,196,131)
Castle Biosciences Inc
0.00
$0
($60,282)
0.00
$0
($2,088,823)
0.00
$0
($5,649,726)
Guardant Health, Inc.
0.00
$0
($9,507)
0.00
$0
($30,696,432)
0.00
$0
($31,015,613)
Sera Prognostics, Inc.
0.00
$0
($7,077)
0.00
$0
($442,983)
0.00
$0
($2,047,193)
Caredx, Inc.
--
$0
$0
0.00
$0
($1,119,436)
0.00
$0
($1,789,107)
Personalis, Inc.
--
$0
$0
0.00
$0
($26,367)
0.00
$0
($241,065)
LABCORP HOLDINGS INC.
--
$0
$0
0.00
$0
($6,976,784)
0.00
$0
($10,499,711)
Fulgent Genetics, Inc.
--
$0
$0
0.00
$0
($219,166)
4.74
$1,596,470
($336,631)
Biodesix Inc
--
$0
$0
--
$3,928,047
$0
--
$4,699,268
$0
Radnet, Inc.
--
$0
$0
0.00
$0
($17,098,638)
0.00
$0
($23,457,890)
Celcuity Inc.
--
$0
$0
0.00
$0
($4,818,370)
0.00
$0
($4,818,370)
Fortrea Holdings Inc.
--
$0
$0
--
$507,168
$0
--
$507,168
$0
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)