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Buy/Sell Ratio
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Last 3 Months
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Medical - Diagnostics & Research Industry
Insider Buy/Sell Details for the Medical - Diagnostics & Research Industry — Last 3 Months
Extreme outlier transactions (>3σ) are excluded.
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Ratio
0.0:1
Daily Buy & Sell Volume
Log Scale
Transactions
(551)
All (551)
Buys (13)
Sells (538)
Company
Insider
Title
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Date (newest)
Total Value
% of Holdings
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Natera, Inc.
(NTRA)
ROSENMAN HERM
— Director
Jun 24, 2026
Sale
Shares
16,530
Price
$250.00
Total Value
$4.13M
Shares Held After
4,250
% of Holdings
79.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Sakakibara Shan Riku
— Chief Product Officer
Jun 24, 2026
Sale
Shares
4,000
Price
$110.00
Total Value
$440.00K
Shares Held After
208,000
% of Holdings
1.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Sakakibara Shan Riku
— Chief Product Officer
Jun 24, 2026
Sale
Shares
4,000
Price
$110.00
Total Value
$440.00K
Shares Held After
212,000
% of Holdings
1.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Cho Dennis
— Senior Vice President, Chief Legal Officer & Corporate Secretary
Jun 24, 2026
Sale
Shares
14,205
Price
$89.75
Total Value
$1.27M
Shares Held After
105,141
% of Holdings
11.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Burning Rock Biotech Ltd
(BNR)
Han Yusheng
— Director
Jun 23, 2026
Purchase
Shares
5,990
Price
$7.50
Total Value
$44.92K
Shares Held After
18,129,186
% of Holdings
0.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Burning Rock Biotech Ltd
(BNR)
Han Yusheng
— Director
Jun 22, 2026
Purchase
Shares
104,650
Price
$7.45
Total Value
$779.67K
Shares Held After
18,123,196
% of Holdings
0.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Green Paula
— SVP of Human Resources
Jun 22, 2026
Sale
Shares
291
Price
$87.32
Total Value
$25.41K
Shares Held After
120,414
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Cho Dennis
— Senior Vice President, Chief Legal Officer & Corporate Secretary
Jun 22, 2026
Sale
Shares
346
Price
$87.32
Total Value
$30.21K
Shares Held After
119,346
% of Holdings
0.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Leproust Emily M.
— Director
Jun 22, 2026
Sale
Shares
1,688
Price
$87.32
Total Value
$147.40K
Shares Held After
842,919
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
POTTER MYRTLE S
— Director
Jun 22, 2026
Sale
Shares
1,556
Price
$131.16
Total Value
$204.08K
Shares Held After
20,971
% of Holdings
6.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Tariq Musa
— Director
Jun 22, 2026
Sale
Shares
1,951
Price
$131.16
Total Value
$255.89K
Shares Held After
11,048
% of Holdings
15.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
RadNet, Inc.
(RDNT)
SWARTZ DAVID L
— Director
Jun 18, 2026
Sale
Shares
2,699
Price
$53.89
Total Value
$145.45K
Shares Held After
177,013
% of Holdings
1.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
15
Price
$222.14
Total Value
$3.33K
Shares Held After
18,782
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
301
Price
$221.39
Total Value
$66.64K
Shares Held After
18,797
% of Holdings
1.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
71
Price
$220.46
Total Value
$15.65K
Shares Held After
19,098
% of Holdings
0.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
96
Price
$219.13
Total Value
$21.04K
Shares Held After
19,169
% of Holdings
0.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
267
Price
$218.18
Total Value
$58.25K
Shares Held After
19,265
% of Holdings
1.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
244
Price
$221.46
Total Value
$54.04K
Shares Held After
18,782
% of Holdings
1.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
122
Price
$220.93
Total Value
$26.95K
Shares Held After
19,026
% of Holdings
0.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
128
Price
$219.26
Total Value
$28.06K
Shares Held After
19,148
% of Holdings
0.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 17, 2026
Sale
Shares
256
Price
$218.14
Total Value
$55.84K
Shares Held After
19,276
% of Holdings
1.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Burning Rock Biotech Ltd
(BNR)
Han Yusheng
— Director
Jun 16, 2026
Purchase
Shares
111,110
Price
$9.00
Total Value
$999.96K
Shares Held After
18,018,546
% of Holdings
0.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
RadNet, Inc.
(RDNT)
Wesdorp Cornelis
— Pres & CEO, Digital Health
Jun 16, 2026
Sale
Shares
4,750
Price
$58.11
Total Value
$276.02K
Shares Held After
69,075
% of Holdings
6.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
Oelschlager Kristen M
— Chief Operating Officer
Jun 16, 2026
Sale
Shares
8,587
Price
$20.71
Total Value
$177.84K
Shares Held After
30,460
% of Holdings
22.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Chapman Rowan E
— Director
Jun 16, 2026
Sale
Shares
2,964
Price
$216.78
Total Value
$642.54K
Shares Held After
3,124
% of Holdings
48.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Tariq Musa
— Director
Jun 16, 2026
Sale
Shares
116
Price
$130.19
Total Value
$15.10K
Shares Held After
8,796
% of Holdings
1.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Kalia Kumud
— Chief Information Officer
Jun 15, 2026
Sale
Shares
600
Price
$131.08
Total Value
$78.65K
Shares Held After
40,814
% of Holdings
1.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Kalia Kumud
— Chief Information Officer
Jun 15, 2026
Purchase
Shares
600
Price
$130.76
Total Value
$78.46K
Shares Held After
41,414
% of Holdings
1.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 15, 2026
Sale
Shares
300
Price
$213.54
Total Value
$64.06K
Shares Held After
249,352
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 15, 2026
Sale
Shares
500
Price
$212.42
Total Value
$106.21K
Shares Held After
249,652
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 15, 2026
Sale
Shares
600
Price
$211.34
Total Value
$126.80K
Shares Held After
250,152
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jun 15, 2026
Sale
Shares
1,750
Price
$210.29
Total Value
$368.01K
Shares Held After
250,752
% of Holdings
0.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
ten Bosch John Roderick
— Senior Vice President of Laboratory Operations
Jun 15, 2026
Sale
Shares
1,416
Price
$101.47
Total Value
$143.68K
Shares Held After
34,968
% of Holdings
3.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
ten Bosch John Roderick
— Senior Vice President of Laboratory Operations
Jun 15, 2026
Sale
Shares
1,416
Price
$101.47
Total Value
$143.68K
Shares Held After
36,384
% of Holdings
3.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
563
Price
$104.32
Total Value
$58.73K
Shares Held After
1,000
% of Holdings
36.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
2,398
Price
$103.63
Total Value
$248.50K
Shares Held After
1,563
% of Holdings
60.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
2,978
Price
$102.60
Total Value
$305.54K
Shares Held After
3,961
% of Holdings
42.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
2,461
Price
$101.37
Total Value
$249.47K
Shares Held After
6,939
% of Holdings
26.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
1,000
Price
$100.05
Total Value
$100.05K
Shares Held After
9,400
% of Holdings
9.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
600
Price
$98.74
Total Value
$59.25K
Shares Held After
10,400
% of Holdings
5.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
230
Price
$104.47
Total Value
$24.03K
Shares Held After
11,000
% of Holdings
2.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
2,889
Price
$103.68
Total Value
$299.54K
Shares Held After
11,230
% of Holdings
20.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
2,816
Price
$102.77
Total Value
$289.41K
Shares Held After
14,119
% of Holdings
16.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
2,361
Price
$101.55
Total Value
$239.77K
Shares Held After
16,935
% of Holdings
12.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jun 15, 2026
Sale
Shares
1,704
Price
$100.37
Total Value
$171.03K
Shares Held After
19,296
% of Holdings
8.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jun 15, 2026
Sale
Shares
278
Price
$20.66
Total Value
$5.74K
Shares Held After
12,646
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jun 15, 2026
Sale
Shares
278
Price
$20.66
Total Value
$5.74K
Shares Held After
12,646
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jun 15, 2026
Sale
Shares
278
Price
$20.66
Total Value
$5.74K
Shares Held After
12,646
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jun 15, 2026
Sale
Shares
278
Price
$20.66
Total Value
$5.74K
Shares Held After
12,646
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jun 15, 2026
Sale
Shares
1,153
Price
$20.66
Total Value
$23.82K
Shares Held After
35,755
% of Holdings
3.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
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Showing 1–50 of 551 transactions (page 1 of 12)
Version: v26.7.3