Average Insider

Where insiders trade, we follow

Insider Buy/Sell Ratio — Last 30 Days

Extreme outlier transactions (>3σ) are excluded.Show All Data
Ratio0.2:1
Daily Buy & Sell Volume

By Sector

By Industry

Medical - Instruments & Supplies
Buys22
Sells33
Buy $$14.81M
Sell $$7.60B
Ratio1:513.49
Oil & Gas Exploration & Production
Buys53
Sells129
Buy $$9.76M
Sell $$2.67B
Ratio1:273.37
% Change vs. Prior
Ratio +38.3%Value +246.9%
Hardware, Equipment & Parts
Buys17
Sells270
Buy $$2.01B
Sell $$172.43M
Ratio11.63:1
% Change vs. Prior
Ratio +232039.7%Value +419.5%
Specialty Retail
Buys29
Sells214
Buy $$140.00M
Sell $$867.95M
Ratio1:6.20
% Change vs. Prior
Ratio +217.6%Value +29.7%
Biotechnology
Buys101
Sells1061
Buy $$131.01M
Sell $$769.31M
Ratio1:5.87
% Change vs. Prior
Ratio -60.3%Value -9.9%
Software - Application
Buys38
Sells690
Buy $$125.58M
Sell $$606.15M
Ratio1:4.83
% Change vs. Prior
Ratio -54.9%Value +7.7%
Semiconductors
Buys9
Sells389
Buy $$1.52M
Sell $$706.12M
Ratio1:465.18
% Change vs. Prior
Ratio +2073.6%Value -59.8%
Medical - Diagnostics & Research
Buys13
Sells141
Buy $$9.77M
Sell $$683.30M
Ratio1:69.94
Software - Infrastructure
Buys23
Sells515
Buy $$20.25M
Sell $$663.54M
Ratio1:32.77
% Change vs. Prior
Ratio +18.8%Value -16.7%
Computer Hardware
Buys2
Sells267
Buy $$351.04K
Sell $$487.17M
Ratio1:1387.81
Medical - Distribution
Buys0
Sells13
Buy $$0.00
Sell $$419.81M
RatioAll Sells
Oil & Gas Refining & Marketing
Buys1
Sells68
Buy $$30.31K
Sell $$373.57M
Ratio1:12324.91
Oil & Gas Equipment & Services
Buys2
Sells68
Buy $$602.61K
Sell $$332.73M
Ratio1:552.15
% Change vs. Prior
Ratio +31.5%Value -15.0%
Information Technology Services
Buys16
Sells45
Buy $$1.55M
Sell $$303.48M
Ratio1:196.32
Aerospace & Defense
Buys12
Sells221
Buy $$12.32M
Sell $$292.02M
Ratio1:23.71
% Change vs. Prior
Ratio +1125.2%Value -68.0%
Apr 1, 2026
Sale
Shares
1,500
Price
$419.94
Total Value
$629.90K
Shares Held After
368,891
% of Holdings
0.4%
Apr 1, 2026
Sale
Shares
1,092
Price
$418.79
Total Value
$457.31K
Shares Held After
370,391
% of Holdings
0.3%
Apr 1, 2026
Sale
Shares
808
Price
$417.45
Total Value
$337.30K
Shares Held After
371,483
% of Holdings
0.2%
Apr 1, 2026
Sale
Shares
1,100
Price
$416.56
Total Value
$458.22K
Shares Held After
372,291
% of Holdings
0.3%
Apr 1, 2026
Sale
Shares
800
Price
$415.23
Total Value
$332.19K
Shares Held After
373,391
% of Holdings
0.2%
Apr 1, 2026
Sale
Shares
300
Price
$413.97
Total Value
$124.19K
Shares Held After
374,191
% of Holdings
0.1%
Apr 1, 2026
Sale
Shares
300
Price
$412.28
Total Value
$123.68K
Shares Held After
374,491
% of Holdings
0.1%
Apr 1, 2026
Sale
Shares
100
Price
$410.83
Total Value
$41.08K
Shares Held After
374,791
% of Holdings
0.0%
Apr 1, 2026
Sale
Shares
200
Price
$409.18
Total Value
$81.84K
Shares Held After
374,891
% of Holdings
0.1%
Apr 1, 2026
Sale
Shares
100
Price
$407.48
Total Value
$40.75K
Shares Held After
375,091
% of Holdings
0.0%
Apr 1, 2026
Sale
Shares
100
Price
$404.06
Total Value
$40.41K
Shares Held After
375,191
% of Holdings
0.0%
Apr 1, 2026
Sale
Shares
200
Price
$400.33
Total Value
$80.07K
Shares Held After
375,291
% of Holdings
0.1%
Apr 1, 2026
Sale
Shares
100
Price
$399.05
Total Value
$39.91K
Shares Held After
375,491
% of Holdings
0.0%

National CineMedia, Inc. (NCMI)

Woods Maria VG — EVP - General Counsel
Apr 1, 2026
Sale
Shares
12,066
Price
$3.04
Total Value
$36.68K
Shares Held After
143,097
% of Holdings
7.8%

NASDAQ, INC. (NDAQ)

FRIEDMAN ADENA T — Director
Apr 1, 2026
Sale
Shares
113,611
Price
$85.44
Total Value
$9.71M
Shares Held After
1,965,751
% of Holdings
5.5%
Apr 1, 2026
Sale
Shares
45,000
Price
$11.05
Total Value
$497.28K
Shares Held After
3,911,368
% of Holdings
1.1%
Apr 1, 2026
Sale
Shares
1,244
Price
$94.06
Total Value
$117.01K
Shares Held After
132,282
% of Holdings
0.9%
Apr 1, 2026
Sale
Shares
3,310
Price
$34.46
Total Value
$114.06K
Shares Held After
81,958
% of Holdings
3.9%

Presurance Holdings, Inc. (PRHI)

RONEY BRIAN J — Chief Executive Officer
Apr 1, 2026
Purchase
Shares
100,000
Price
$0.72
Total Value
$71.81K
Shares Held After
510,232
% of Holdings
19.6%

SEMTECH CORP (SMTC)

Green Jason Elliot — EVP and CCO
Apr 1, 2026
Sale
Shares
7,500
Price
$81.73
Total Value
$612.99K
Shares Held After
8,811
% of Holdings
46.0%
Apr 1, 2026
Sale
Shares
240
Price
$596.11
Total Value
$143.07K
Shares Held After
40,513
% of Holdings
0.6%
Apr 1, 2026
Sale
Shares
200
Price
$595.29
Total Value
$119.06K
Shares Held After
40,753
% of Holdings
0.5%
Apr 1, 2026
Sale
Shares
440
Price
$594.11
Total Value
$261.41K
Shares Held After
40,953
% of Holdings
1.1%
Apr 1, 2026
Sale
Shares
240
Price
$592.98
Total Value
$142.32K
Shares Held After
41,393
% of Holdings
0.6%
Apr 1, 2026
Sale
Shares
280
Price
$591.64
Total Value
$165.66K
Shares Held After
41,633
% of Holdings
0.7%
Apr 1, 2026
Sale
Shares
155
Price
$590.69
Total Value
$91.56K
Shares Held After
41,913
% of Holdings
0.4%
Apr 1, 2026
Sale
Shares
469
Price
$589.66
Total Value
$276.55K
Shares Held After
42,068
% of Holdings
1.1%
Apr 1, 2026
Sale
Shares
450
Price
$588.63
Total Value
$264.88K
Shares Held After
42,537
% of Holdings
1.0%
Apr 1, 2026
Sale
Shares
846
Price
$587.60
Total Value
$497.11K
Shares Held After
42,987
% of Holdings
1.9%
Apr 1, 2026
Sale
Shares
247
Price
$586.61
Total Value
$144.89K
Shares Held After
43,833
% of Holdings
0.6%
Apr 1, 2026
Sale
Shares
160
Price
$585.11
Total Value
$93.62K
Shares Held After
44,080
% of Holdings
0.4%
Apr 1, 2026
Sale
Shares
31
Price
$583.56
Total Value
$18.09K
Shares Held After
44,240
% of Holdings
0.1%
Apr 1, 2026
Sale
Shares
602
Price
$582.75
Total Value
$350.82K
Shares Held After
44,271
% of Holdings
1.3%
Apr 1, 2026
Sale
Shares
610
Price
$581.72
Total Value
$354.85K
Shares Held After
44,873
% of Holdings
1.3%
Apr 1, 2026
Sale
Shares
190
Price
$580.54
Total Value
$110.30K
Shares Held After
45,483
% of Holdings
0.4%
Apr 1, 2026
Sale
Shares
280
Price
$579.35
Total Value
$162.22K
Shares Held After
45,673
% of Holdings
0.6%
Apr 1, 2026
Sale
Shares
240
Price
$578.56
Total Value
$138.86K
Shares Held After
45,953
% of Holdings
0.5%
Apr 1, 2026
Sale
Shares
360
Price
$577.13
Total Value
$207.77K
Shares Held After
46,193
% of Holdings
0.8%
Apr 1, 2026
Sale
Shares
399
Price
$576.02
Total Value
$229.83K
Shares Held After
46,553
% of Holdings
0.8%
Apr 1, 2026
Sale
Shares
481
Price
$574.87
Total Value
$276.51K
Shares Held After
46,952
% of Holdings
1.0%
Apr 1, 2026
Sale
Shares
310
Price
$573.92
Total Value
$177.92K
Shares Held After
47,433
% of Holdings
0.6%
Apr 1, 2026
Sale
Shares
931
Price
$572.81
Total Value
$533.28K
Shares Held After
47,743
% of Holdings
1.9%
Apr 1, 2026
Sale
Shares
801
Price
$571.58
Total Value
$457.84K
Shares Held After
48,674
% of Holdings
1.6%
Apr 1, 2026
Sale
Shares
538
Price
$570.87
Total Value
$307.13K
Shares Held After
49,475
% of Holdings
1.1%
Apr 1, 2026
Sale
Shares
19,440
Price
$9.20
Total Value
$178.85K
Shares Held After
847,881
% of Holdings
2.2%
Apr 1, 2026
Purchase
Shares
28,463
Price
$10.54
Total Value
$300.00K
Shares Held After
28,463
% of Holdings
100.0%

VICOR CORP (VICR)

Davies Philip D — Director
Apr 1, 2026
Sale
Shares
100
Price
$167.75
Total Value
$16.77K
Shares Held After
1,920
% of Holdings
5.0%

VICOR CORP (VICR)

Davies Philip D — Director
Apr 1, 2026
Sale
Shares
300
Price
$166.49
Total Value
$49.95K
Shares Held After
2,020
% of Holdings
12.9%

VICOR CORP (VICR)

Davies Philip D — Director
Apr 1, 2026
Sale
Shares
627
Price
$165.69
Total Value
$103.88K
Shares Held After
2,320
% of Holdings
21.3%

VICOR CORP (VICR)

Davies Philip D — Director
Apr 1, 2026
Sale
Shares
1,073
Price
$164.46
Total Value
$176.46K
Shares Held After
2,947
% of Holdings
26.7%
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