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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
(508)
All (508)
Buys (13)
Sells (495)
Company
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Title
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Date (newest)
Total Value
% of Holdings
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Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 15, 2026
Sale
Shares
390
Price
$273.01
Total Value
$106.47K
Shares Held After
18,392
% of Holdings
2.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 15, 2026
Sale
Shares
40
Price
$276.38
Total Value
$11.06K
Shares Held After
18,032
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 15, 2026
Sale
Shares
170
Price
$275.26
Total Value
$46.79K
Shares Held After
18,072
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 15, 2026
Sale
Shares
90
Price
$274.26
Total Value
$24.68K
Shares Held After
18,242
% of Holdings
0.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 15, 2026
Sale
Shares
450
Price
$273.05
Total Value
$122.87K
Shares Held After
18,332
% of Holdings
2.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Chapman Rowan E
— Director
Jul 15, 2026
Sale
Shares
135
Price
$274.82
Total Value
$37.10K
Shares Held After
4,663
% of Holdings
2.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Personalis, Inc.
(PSNL)
Chen Richard
— President and CMO
Jul 15, 2026
Sale
Shares
100,000
Price
$15.15
Total Value
$1.51M
Shares Held After
173,880
% of Holdings
36.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 14, 2026
Sale
Shares
278
Price
$22.92
Total Value
$6.37K
Shares Held After
12,090
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 14, 2026
Sale
Shares
278
Price
$22.92
Total Value
$6.37K
Shares Held After
12,090
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 14, 2026
Sale
Shares
278
Price
$22.92
Total Value
$6.37K
Shares Held After
12,090
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 14, 2026
Sale
Shares
278
Price
$22.92
Total Value
$6.37K
Shares Held After
12,090
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 14, 2026
Sale
Shares
1,153
Price
$22.92
Total Value
$26.43K
Shares Held After
33,449
% of Holdings
3.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 14, 2026
Sale
Shares
1,357
Price
$22.92
Total Value
$31.10K
Shares Held After
39,353
% of Holdings
3.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Jul 14, 2026
Sale
Shares
550
Price
$22.92
Total Value
$12.61K
Shares Held After
21,479
% of Holdings
2.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Neuronetics, Inc.
(STIM)
Chernett Jorey
— 10% Owner
Jul 14, 2026
Purchase
Shares
35,000
Price
$1.78
Total Value
$62.30K
Shares Held After
10,588,988
% of Holdings
0.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 13, 2026
Sale
Shares
500
Price
$268.39
Total Value
$134.19K
Shares Held After
246,202
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 13, 2026
Sale
Shares
450
Price
$267.72
Total Value
$120.47K
Shares Held After
246,702
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 13, 2026
Sale
Shares
500
Price
$266.75
Total Value
$133.38K
Shares Held After
247,152
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 13, 2026
Sale
Shares
400
Price
$265.15
Total Value
$106.06K
Shares Held After
247,652
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 13, 2026
Sale
Shares
800
Price
$264.29
Total Value
$211.44K
Shares Held After
248,052
% of Holdings
0.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Sheena Jonathan
— Director
Jul 13, 2026
Sale
Shares
500
Price
$262.72
Total Value
$131.36K
Shares Held After
248,852
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
1,028
Price
$126.90
Total Value
$130.45K
Shares Held After
1,000
% of Holdings
50.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
3,835
Price
$125.76
Total Value
$482.28K
Shares Held After
2,028
% of Holdings
65.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
1,725
Price
$124.65
Total Value
$215.03K
Shares Held After
5,863
% of Holdings
22.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
2,274
Price
$123.71
Total Value
$281.31K
Shares Held After
7,588
% of Holdings
23.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
1,138
Price
$122.84
Total Value
$139.80K
Shares Held After
9,862
% of Holdings
10.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
821
Price
$126.89
Total Value
$104.18K
Shares Held After
11,000
% of Holdings
6.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
3,185
Price
$125.85
Total Value
$400.82K
Shares Held After
11,821
% of Holdings
21.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
2,415
Price
$124.90
Total Value
$301.63K
Shares Held After
15,006
% of Holdings
13.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
2,477
Price
$123.84
Total Value
$306.76K
Shares Held After
17,421
% of Holdings
12.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Jul 13, 2026
Sale
Shares
1,102
Price
$122.90
Total Value
$135.44K
Shares Held After
19,898
% of Holdings
5.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
ten Bosch John Roderick
— SVP of Laboratory Operations
Jul 13, 2026
Sale
Shares
1,417
Price
$125.46
Total Value
$177.78K
Shares Held After
29,301
% of Holdings
4.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
ten Bosch John Roderick
— SVP of Laboratory Operations
Jul 13, 2026
Sale
Shares
1,417
Price
$125.46
Total Value
$177.78K
Shares Held After
30,718
% of Holdings
4.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
ten Bosch John Roderick
— SVP of Laboratory Operations
Jul 13, 2026
Sale
Shares
1,417
Price
$125.46
Total Value
$177.78K
Shares Held After
32,135
% of Holdings
4.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Atay Oguzhan
— Director
Jul 9, 2026
Sale
Shares
352
Price
$128.23
Total Value
$45.14K
Shares Held After
0
% of Holdings
100.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Atay Oguzhan
— Director
Jul 9, 2026
Sale
Shares
2,657
Price
$127.44
Total Value
$338.60K
Shares Held After
352
% of Holdings
88.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Atay Oguzhan
— Director
Jul 9, 2026
Sale
Shares
2,002
Price
$126.48
Total Value
$253.22K
Shares Held After
3,009
% of Holdings
40.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Atay Oguzhan
— Director
Jul 9, 2026
Sale
Shares
7,489
Price
$125.43
Total Value
$939.32K
Shares Held After
5,011
% of Holdings
59.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Sakakibara Shan Riku
— Chief Product Officer
Jul 9, 2026
Sale
Shares
1,354
Price
$125.00
Total Value
$169.25K
Shares Held After
204,000
% of Holdings
0.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Sakakibara Shan Riku
— Chief Product Officer
Jul 9, 2026
Sale
Shares
1,355
Price
$125.00
Total Value
$169.38K
Shares Held After
205,354
% of Holdings
0.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Sakakibara Shan Riku
— Chief Product Officer
Jul 9, 2026
Sale
Shares
1,117
Price
$125.00
Total Value
$139.62K
Shares Held After
206,709
% of Holdings
0.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Sakakibara Shan Riku
— Chief Product Officer
Jul 9, 2026
Sale
Shares
174
Price
$125.00
Total Value
$21.75K
Shares Held After
207,826
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Sakakibara Shan Riku
— Chief Product Officer
Jul 9, 2026
Sale
Shares
4,000
Price
$125.00
Total Value
$500.00K
Shares Held After
208,000
% of Holdings
1.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Laponis Adam
— Chief Financial Officer
Jul 9, 2026
Sale
Shares
2,399
Price
$94.33
Total Value
$226.31K
Shares Held After
110,276
% of Holdings
2.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Personalis, Inc.
(PSNL)
Hall Christopher M
— Director
Jul 9, 2026
Sale
Shares
100,000
Price
$15.08
Total Value
$1.51M
Shares Held After
235,986
% of Holdings
29.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Natera, Inc.
(NTRA)
Rabinowitz Matthew
— Director
Jul 6, 2026
Sale
Shares
1,000
Price
$280.00
Total Value
$280.00K
Shares Held After
4,000
% of Holdings
20.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Atay Oguzhan
— Director
Jul 6, 2026
Sale
Shares
50
Price
$124.74
Total Value
$6.24K
Shares Held After
175,000
% of Holdings
0.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Atay Oguzhan
— Director
Jul 6, 2026
Sale
Shares
1,221
Price
$124.04
Total Value
$151.46K
Shares Held After
175,050
% of Holdings
0.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Atay Oguzhan
— Director
Jul 6, 2026
Sale
Shares
2,324
Price
$123.25
Total Value
$286.43K
Shares Held After
176,271
% of Holdings
1.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Atay Oguzhan
— Director
Jul 6, 2026
Sale
Shares
586
Price
$122.08
Total Value
$71.54K
Shares Held After
178,595
% of Holdings
0.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
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Version: v26.7.3