Industry - Medical Laboratories

Include option trades

Include indirect trades

Latest data: 6/13/2025 10:04:30 PM

1 Month

Buy/Sell Ratio 0.08

7%

93%

Buy	Sell
$1.32 M	($15.76) M
1 Insiders	25 Insiders
2 Transactions	32 Transactions

5/13/2025 to 6/13/2025

3 Month

Buy/Sell Ratio 0.02

2%

98%

Buy	Sell
$1.32 M	($56.64) M
1 Insiders	48 Insiders
2 Transactions	108 Transactions

3/13/2025 to 6/13/2025

6 Month

Buy/Sell Ratio 0.03

2%

98%

Buy	Sell
$2.91 M	($107.85) M
2 Insiders	62 Insiders
3 Transactions	242 Transactions

12/13/2024 to 6/13/2025

12 Month

Buy/Sell Ratio 0.19

16%

84%

Buy	Sell
$38.68 M	($202.36) M
12 Insiders	83 Insiders
18 Transactions	431 Transactions

6/13/2024 to 6/13/2025

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Fairmount Funds Management Llc Viridian Therapeutics, Inc.\De	$30,000,000	1
Kamin Peter Psychemedics Corp	$3,312,823	1
Schuler Jack W Biodesix Inc	$1,810,049	5
Kim Paul Fulgent Genetics, Inc.	$1,596,470	1
Conroy Kevin T Exact Sciences Corp	$1,001,325	1
Mahoney Stephen F. Viridian Therapeutics, Inc.\De	$499,262	1
Kennedy Lawrence T. Jr Biodesix Inc	$137,630	3
Beetham Thomas W. Viridian Therapeutics, Inc.\De	$117,050	1
Patience John Biodesix Inc	$103,710	1
Black Jeffrey G. Exagen Inc.	$66,448	1

Most Insider Selling

12 months

Name	Value	Transactions
Rabinowitz Matthew Natera, Inc.	($35,991,123)	7
Chapman Steven Leonard Natera, Inc.	($23,489,592)	14
Botha Roelof Natera, Inc.	($14,793,563)	1
Sheena Jonathan Natera, Inc.	($13,649,101)	28
Talasaz Amirali Guardant Health, Inc.	($11,910,936)	5
Brophy Michael Burkes Natera, Inc.	($11,164,839)	18
Moshkevich Solomon Natera, Inc.	($9,570,482)	17
Davis J. E. Quest Diagnostics Inc	($6,602,074)	1
Sorensen Alma Gregory Radnet, Inc.	($5,674,100)	2
Fesko John Natera, Inc.	($5,515,384)	12

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
Biodesix Inc	4	10
Viridian Therapeutics, Inc.\De	3	3
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	106
LABCORP HOLDINGS INC.	10	20
Radnet, Inc.	10	19
Veracyte, Inc.	9	23
Sera Prognostics, Inc.	7	32
Quest Diagnostics Inc	7	19
Castle Biosciences Inc	5	50
Caredx, Inc.	5	9
Fulgent Genetics, Inc.	4	8
GRAIL, Inc.	3	14

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Radnet, Inc.	0.00	$0	($6,625,763)	0.00	$0	($8,896,203)	0.00	$0	($17,384,453)
Guardant Health, Inc.	0.00	$0	($6,168,736)	0.00	$0	($12,129,581)	0.00	$0	($12,424,489)
Natera, Inc.	0.00	$0	($2,089,035)	0.00	$0	($57,938,442)	0.00	$0	($119,587,244)
LABCORP HOLDINGS INC.	0.00	$0	($624,000)	0.00	$0	($4,331,891)	0.00	$0	($13,358,622)
Fulgent Genetics, Inc.	0.00	$0	($98,137)	16.27	$1,596,470	($98,137)	3.81	$1,596,470	($419,108)
Veracyte, Inc.	0.00	$0	($76,410)	0.00	$0	($2,591,938)	0.00	$0	($6,574,278)
Sera Prognostics, Inc.	0.00	$0	($54,153)	0.00	$0	($1,247,482)	0.00	$0	($2,276,071)
Personalis, Inc.	0.00	$0	($19,186)	0.00	$0	($76,760)	0.00	$0	($255,467)
Biodesix Inc	--	$1,316,624	$0	--	$1,316,624	$0	--	$2,087,846	$0
Caredx, Inc.	--	$0	$0	0.00	$0	($974,239)	0.00	$0	($2,322,245)
Quest Diagnostics Inc	--	$0	$0	0.00	$0	($10,204,939)	0.00	$0	($10,848,547)
Castle Biosciences Inc	--	$0	$0	0.00	$0	($2,330,992)	0.00	$0	($5,361,138)
GRAIL, Inc.	--	$0	$0	0.00	$0	($7,028,247)	0.00	$0	($10,643,780)
Viridian Therapeutics, Inc.\De	--	$0	$0	--	$0	$0	--	$30,616,312	$0
Exact Sciences Corp	--	$0	$0	--	$0	$0	7.70	$1,001,325	($130,060)
Exagen Inc.	--	$0	$0	--	$0	$0	--	$66,448	$0
Celcuity Inc.	--	$0	$0	--	$0	$0	0.00	$0	($17,108)
Psychemedics Corp	--	$0	$0	--	$0	$0	4.40	$3,312,823	($753,664)