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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
(463)
All (463)
Buys (13)
Sells (450)
Company
Insider
Title
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Date (newest)
Total Value
% of Holdings
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CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 1, 2026
Sale
Shares
278
Price
$24.29
Total Value
$6.75K
Shares Held After
12,368
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 1, 2026
Sale
Shares
278
Price
$24.29
Total Value
$6.75K
Shares Held After
12,368
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 1, 2026
Sale
Shares
278
Price
$24.29
Total Value
$6.75K
Shares Held After
12,368
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 1, 2026
Sale
Shares
1,153
Price
$24.29
Total Value
$28.01K
Shares Held After
34,602
% of Holdings
3.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 1, 2026
Sale
Shares
1,357
Price
$24.29
Total Value
$32.96K
Shares Held After
40,710
% of Holdings
3.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 1, 2026
Sale
Shares
6,214
Price
$24.29
Total Value
$150.94K
Shares Held After
21,479
% of Holdings
22.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
(CRL)
FOSTER JAMES C
— Director
Jun 29, 2026
Sale
Shares
75,000
Price
$225.00
Total Value
$16.88M
Shares Held After
31,596
% of Holdings
70.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
ten Bosch John Roderick
— SVP of Laboratory Operations
Jun 29, 2026
Sale
Shares
1,416
Price
$120.00
Total Value
$169.92K
Shares Held After
33,552
% of Holdings
4.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CareDx, Inc.
(CDNA)
Hanna John Walter JR
— Director
Jun 29, 2026
Sale
Shares
39,900
Price
$29.24
Total Value
$1.17M
Shares Held After
661,959
% of Holdings
5.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Talasaz AmirAli
— Director
Jun 29, 2026
Sale
Shares
40
Price
$153.00
Total Value
$6.12K
Shares Held After
1,881,336
% of Holdings
0.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Talasaz AmirAli
— Director
Jun 29, 2026
Sale
Shares
46,663
Price
$152.20
Total Value
$7.10M
Shares Held After
1,881,376
% of Holdings
2.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Talasaz AmirAli
— Director
Jun 29, 2026
Sale
Shares
70,513
Price
$151.47
Total Value
$10.68M
Shares Held After
1,928,039
% of Holdings
3.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Talasaz AmirAli
— Director
Jun 29, 2026
Sale
Shares
25,812
Price
$150.53
Total Value
$3.89M
Shares Held After
1,998,552
% of Holdings
1.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Personalis, Inc.
(PSNL)
Tachibana Aaron
— CFO AND COO
Jun 29, 2026
Sale
Shares
4,982
Price
$14.00
Total Value
$69.75K
Shares Held After
198,833
% of Holdings
2.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Burning Rock Biotech Ltd
(BNR)
Han Yusheng
— Director
Jun 26, 2026
Purchase
Shares
24,900
Price
$8.00
Total Value
$199.09K
Shares Held After
18,404,086
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CareDx, Inc.
(CDNA)
Hanna John Walter JR
— Director
Jun 26, 2026
Sale
Shares
100
Price
$29.00
Total Value
$2.90K
Shares Held After
661,959
% of Holdings
0.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Talasaz AmirAli
— Director
Jun 26, 2026
Sale
Shares
52,935
Price
$151.16
Total Value
$8.00M
Shares Held After
1,881,336
% of Holdings
2.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Talasaz AmirAli
— Director
Jun 26, 2026
Sale
Shares
64,037
Price
$150.49
Total Value
$9.64M
Shares Held After
1,934,271
% of Holdings
3.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Personalis, Inc.
(PSNL)
Hall Christopher M
— Director
Jun 26, 2026
Sale
Shares
100,000
Price
$13.15
Total Value
$1.31M
Shares Held After
235,986
% of Holdings
29.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Personalis, Inc.
(PSNL)
Tachibana Aaron
— CFO AND COO
Jun 26, 2026
Sale
Shares
51,251
Price
$13.18
Total Value
$675.49K
Shares Held After
198,833
% of Holdings
20.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Leproust Emily M.
— Director
Jun 25, 2026
Sale
Shares
18,880
Price
$95.00
Total Value
$1.79M
Shares Held After
824,039
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Davies Scott M
— Chief Legal Officer
Jun 25, 2026
Sale
Shares
615
Price
$180.00
Total Value
$110.70K
Shares Held After
20,953
% of Holdings
2.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Burning Rock Biotech Ltd
(BNR)
Han Yusheng
— Director
Jun 24, 2026
Purchase
Shares
250,000
Price
$8.00
Total Value
$2.00M
Shares Held After
18,379,186
% of Holdings
1.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
RABINOWITZ DANIEL
— SEC. AND CHIEF LEGAL OFFICER
Jun 24, 2026
Sale
Shares
11,130
Price
$253.39
Total Value
$2.82M
Shares Held After
189,094
% of Holdings
5.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
RABINOWITZ DANIEL
— SEC. AND CHIEF LEGAL OFFICER
Jun 24, 2026
Sale
Shares
5,066
Price
$252.31
Total Value
$1.28M
Shares Held After
200,224
% of Holdings
2.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
RABINOWITZ DANIEL
— SEC. AND CHIEF LEGAL OFFICER
Jun 24, 2026
Sale
Shares
1,200
Price
$251.60
Total Value
$301.91K
Shares Held After
205,290
% of Holdings
0.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
RABINOWITZ DANIEL
— SEC. AND CHIEF LEGAL OFFICER
Jun 24, 2026
Sale
Shares
16,204
Price
$250.25
Total Value
$4.06M
Shares Held After
206,490
% of Holdings
7.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
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
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Version: v26.5.2