Average Insider

Where insiders trade, we follow

Insider Buy/Sell Ratio — Last 3 Months

Showing all data including statistical outliers.Hide Outliers
Ratio0.2:1
Daily Buy & Sell Volume

By Sector

By Industry

Hardware, Equipment & Parts
Buys20
Sells1344
Buy $$7.98B
Sell $$944.14M
Ratio8.45:1
% Change vs. Prior
Ratio -74.1%Value -56.5%
Medical - Instruments & Supplies
Buys26
Sells142
Buy $$15.42M
Sell $$3.76B
Ratio1:243.61
% Change vs. Prior
Ratio +60.9%Value -50.9%
Biotechnology
Buys410
Sells3050
Buy $$373.09M
Sell $$3.38B
Ratio1:9.06
% Change vs. Prior
Ratio -51.2%Value +44.1%
Software - Application
Buys355
Sells2088
Buy $$244.52M
Sell $$2.91B
Ratio1:11.92
% Change vs. Prior
Ratio -78.3%Value +83.1%
Semiconductors
Buys92
Sells1695
Buy $$2.00M
Sell $$2.99B
Ratio1:1498.30
% Change vs. Prior
Ratio -42.7%Value +5.7%
Software - Infrastructure
Buys53
Sells3663
Buy $$31.93M
Sell $$2.95B
Ratio1:92.25
% Change vs. Prior
Ratio +1.2%Value -30.8%
Computer Hardware
Buys2
Sells2044
Buy $$43.39K
Sell $$2.51B
Ratio1:57892.54
% Change vs. Prior
Ratio -94.0%Value +75.4%
Oil & Gas Exploration & Production
Buys160
Sells80
Buy $$40.83M
Sell $$2.15B
Ratio1:52.72
% Change vs. Prior
Ratio +238.9%Value -39.1%
Medical - Healthcare Information Services
Buys14
Sells327
Buy $$1.85M
Sell $$2.09B
Ratio1:1128.77
% Change vs. Prior
Ratio -95.7%Value +15.9%
Specialty Retail
Buys72
Sells921
Buy $$24.68M
Sell $$1.93B
Ratio1:78.29
% Change vs. Prior
Ratio -86.2%Value -7.1%
Medical - Diagnostics & Research
Buys14
Sells620
Buy $$7.21M
Sell $$1.42B
Ratio1:197.53
Aerospace & Defense
Buys47
Sells543
Buy $$2.69M
Sell $$1.18B
Ratio1:437.93
% Change vs. Prior
Ratio -81.0%Value -6.9%
Asset Management
Buys341
Sells231
Buy $$140.54M
Sell $$985.99M
Ratio1:7.02
Financial - Capital Markets
Buys34
Sells503
Buy $$387.87M
Sell $$652.37M
Ratio1:1.68
Shell Companies
Buys80
Sells255
Buy $$73.57M
Sell $$934.80M
Ratio1:12.71

Natera, Inc. (NTRA)

Brophy Michael Burkes — CHIEF FINANCIAL OFFICER
Jul 28, 2026
Sale
Shares
170
Price
$254.33
Total Value
$43.24K
Shares Held After
54,295
% of Holdings
0.3%

Natera, Inc. (NTRA)

Brophy Michael Burkes — CHIEF FINANCIAL OFFICER
Jul 28, 2026
Sale
Shares
1,008
Price
$253.77
Total Value
$255.80K
Shares Held After
54,465
% of Holdings
1.8%

Natera, Inc. (NTRA)

RABINOWITZ DANIEL — SEC. AND CHIEF LEGAL OFFICER
Jul 28, 2026
Sale
Shares
1,003
Price
$254.07
Total Value
$254.83K
Shares Held After
170,407
% of Holdings
0.6%

Natera, Inc. (NTRA)

Brophy Michael Burkes — CHIEF FINANCIAL OFFICER
Jul 28, 2026
Sale
Shares
1,241
Price
$254.07
Total Value
$315.30K
Shares Held After
55,473
% of Holdings
2.2%

Natera, Inc. (NTRA)

Sheena Jonathan — Director
Jul 28, 2026
Sale
Shares
191
Price
$254.07
Total Value
$48.53K
Shares Held After
245,723
% of Holdings
0.1%
Jul 28, 2026
Sale
Shares
12,880
Price
$105.56
Total Value
$1.36M
Shares Held After
529,346
% of Holdings
2.4%
Jul 28, 2026
Sale
Shares
38,263
Price
$105.18
Total Value
$4.02M
Shares Held After
542,226
% of Holdings
6.6%
Jul 28, 2026
Sale
Shares
42,265
Price
$103.86
Total Value
$4.39M
Shares Held After
580,489
% of Holdings
6.8%

Energy Recovery, Inc. (ERII)

Yeung William — Chief Legal Officer
Jul 28, 2026
Sale
Shares
2,048
Price
$8.56
Total Value
$17.53K
Shares Held After
99,291
% of Holdings
2.0%
Shares
206
Price
$21.79
Total Value
$4.49K
Shares Held After
718,891
% of Holdings
0.0%
Jul 28, 2026
Sale
Shares
32
Price
$465.12
Total Value
$14.88K
Shares Held After
21,433
% of Holdings
0.1%
Jul 28, 2026
Sale
Shares
160
Price
$462.30
Total Value
$73.97K
Shares Held After
21,465
% of Holdings
0.7%
Jul 28, 2026
Sale
Shares
5,387
Price
$8.56
Total Value
$46.11K
Shares Held After
108,301
% of Holdings
4.7%
Jul 28, 2026
Sale
Shares
199
Price
$461.23
Total Value
$91.79K
Shares Held After
21,625
% of Holdings
0.9%
Jul 28, 2026
Sale
Shares
248
Price
$459.97
Total Value
$114.07K
Shares Held After
21,824
% of Holdings
1.1%
Jul 28, 2026
Sale
Shares
529
Price
$458.96
Total Value
$242.79K
Shares Held After
22,072
% of Holdings
2.3%
Jul 28, 2026
Sale
Shares
328
Price
$457.45
Total Value
$150.04K
Shares Held After
22,601
% of Holdings
1.4%
Jul 28, 2026
Sale
Shares
312
Price
$456.52
Total Value
$142.43K
Shares Held After
22,929
% of Holdings
1.3%
Jul 28, 2026
Sale
Shares
304
Price
$455.55
Total Value
$138.49K
Shares Held After
23,241
% of Holdings
1.3%
Jul 28, 2026
Sale
Shares
128
Price
$454.44
Total Value
$58.17K
Shares Held After
23,545
% of Holdings
0.5%
Jul 28, 2026
Sale
Shares
144
Price
$453.27
Total Value
$65.27K
Shares Held After
23,673
% of Holdings
0.6%
Jul 28, 2026
Sale
Shares
106
Price
$452.12
Total Value
$47.93K
Shares Held After
23,817
% of Holdings
0.4%
Jul 28, 2026
Sale
Shares
70
Price
$451.30
Total Value
$31.59K
Shares Held After
23,923
% of Holdings
0.3%
Jul 28, 2026
Sale
Shares
39
Price
$449.42
Total Value
$17.53K
Shares Held After
23,993
% of Holdings
0.2%
Jul 28, 2026
Sale
Shares
41
Price
$448.46
Total Value
$18.39K
Shares Held After
24,032
% of Holdings
0.2%
Jul 28, 2026
Sale
Shares
32
Price
$447.10
Total Value
$14.31K
Shares Held After
24,073
% of Holdings
0.1%
Jul 28, 2026
Sale
Shares
32
Price
$444.51
Total Value
$14.22K
Shares Held After
24,105
% of Holdings
0.1%
Jul 28, 2026
Sale
Shares
32
Price
$442.47
Total Value
$14.16K
Shares Held After
24,137
% of Holdings
0.1%
Jul 28, 2026
Sale
Shares
96
Price
$440.96
Total Value
$42.33K
Shares Held After
24,169
% of Holdings
0.4%
Jul 28, 2026
Sale
Shares
64
Price
$439.38
Total Value
$28.12K
Shares Held After
24,265
% of Holdings
0.3%
Jul 28, 2026
Sale
Shares
118
Price
$438.08
Total Value
$51.69K
Shares Held After
24,329
% of Holdings
0.5%
Jul 28, 2026
Sale
Shares
154
Price
$436.89
Total Value
$67.28K
Shares Held After
24,447
% of Holdings
0.6%
Jul 28, 2026
Sale
Shares
32
Price
$435.58
Total Value
$13.94K
Shares Held After
24,601
% of Holdings
0.1%
Jul 28, 2026
Sale
Shares
64
Price
$434.81
Total Value
$27.83K
Shares Held After
24,633
% of Holdings
0.3%
Jul 28, 2026
Sale
Shares
112
Price
$433.84
Total Value
$48.59K
Shares Held After
24,697
% of Holdings
0.5%
Jul 28, 2026
Sale
Shares
38
Price
$432.20
Total Value
$16.42K
Shares Held After
24,809
% of Holdings
0.2%
Jul 28, 2026
Sale
Shares
115
Price
$431.41
Total Value
$49.61K
Shares Held After
24,847
% of Holdings
0.5%
Jul 28, 2026
Sale
Shares
103
Price
$430.45
Total Value
$44.34K
Shares Held After
24,962
% of Holdings
0.4%
Jul 28, 2026
Sale
Shares
93
Price
$429.12
Total Value
$39.91K
Shares Held After
25,065
% of Holdings
0.4%
Jul 28, 2026
Sale
Shares
115
Price
$428.08
Total Value
$49.23K
Shares Held After
25,158
% of Holdings
0.5%
Jul 28, 2026
Sale
Shares
64
Price
$426.45
Total Value
$27.29K
Shares Held After
25,273
% of Holdings
0.3%
Jul 28, 2026
Sale
Shares
32
Price
$425.31
Total Value
$13.61K
Shares Held After
25,337
% of Holdings
0.1%
Jul 28, 2026
Sale
Shares
64
Price
$424.05
Total Value
$27.14K
Shares Held After
25,369
% of Holdings
0.3%

NVE CORP /NEW/ (NVEC)

BAKER DANIEL A — Director
Jul 28, 2026
Sale
Shares
3,260
Price
$117.57
Total Value
$383.28K
Shares Held After
61,525
% of Holdings
5.0%
Jul 28, 2026
Sale
Shares
118,138
Price
$18.90
Total Value
$2.23M
Shares Held After
0
% of Holdings
100.0%
Jul 28, 2026
Sale
Shares
30,000
Price
$15.16
Total Value
$454.82K
Shares Held After
2,028,357
% of Holdings
1.5%

MediaAlpha, Inc. (MAX)

Nonko Eugene — Director
Jul 28, 2026
Sale
Shares
10,843
Price
$13.78
Total Value
$149.38K
Shares Held After
1,042,064
% of Holdings
1.0%

MediaAlpha, Inc. (MAX)

Nonko Eugene — Director
Jul 28, 2026
Sale
Shares
6,622
Price
$13.86
Total Value
$91.78K
Shares Held After
865,814
% of Holdings
0.8%
Jul 28, 2026
Sale
Shares
6,000
Price
$81.70
Total Value
$490.20K
Shares Held After
1,637,672
% of Holdings
0.4%
Jul 28, 2026
Sale
Shares
3,797
Price
$179.42
Total Value
$681.25K
Shares Held After
50,568
% of Holdings
7.0%
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