Insider Buy/Sell Ratio for May 2026
Ratio0.2:1
Daily Buy & Sell Volume
By Sector
Technology
Buys222
Sells3409
Buy $$214.80M
Sell $$5.89B
Ratio1:27.42
% Change vs. Prior
Ratio -99.2%Value -71.7%
Industrials
Buys192
Sells912
Buy $$258.78M
Sell $$2.53B
Ratio1:9.79
% Change vs. Prior
Ratio +1728.2%Value -27.7%
Healthcare
Buys219
Sells1560
Buy $$171.15M
Sell $$2.60B
Ratio1:15.21
% Change vs. Prior
Ratio -34.7%Value +148.4%
Financial Services
Buys528
Sells1173
Buy $$502.16M
Sell $$2.09B
Ratio1:4.17
% Change vs. Prior
Ratio +424.1%Value +126.8%
Consumer Cyclical
Buys158
Sells771
Buy $$51.91M
Sell $$1.92B
Ratio1:36.99
% Change vs. Prior
Ratio -98.7%Value +32.8%
Energy
Buys113
Sells234
Buy $$49.02M
Sell $$1.28B
Ratio1:26.15
% Change vs. Prior
Ratio -74.8%Value +204.3%
Communication Services
Buys60
Sells317
Buy $$121.12M
Sell $$808.23M
Ratio1:6.67
% Change vs. Prior
Ratio +822.7%Value +402.4%
Consumer Defensive
Buys74
Sells257
Buy $$101.26M
Sell $$659.25M
Ratio1:6.51
% Change vs. Prior
Ratio -13.4%Value +517.9%
Utilities
Buys36
Sells169
Buy $$50.24M
Sell $$707.28M
Ratio1:14.08
% Change vs. Prior
Ratio +605.8%Value +24.9%
Real Estate
Buys91
Sells95
Buy $$26.96M
Sell $$146.83M
Ratio1:5.45
% Change vs. Prior
Ratio -88.1%Value +103.1%
Basic Materials
Buys57
Sells113
Buy $$10.42M
Sell $$139.00M
Ratio1:13.34
% Change vs. Prior
Ratio -23.1%Value -52.3%
By Industry
Software - Infrastructure
Buys25
Sells1262
Buy $$24.61M
Sell $$2.39B
Ratio1:97.24
% Change vs. Prior
Ratio +446.1%Value +22.0%
Semiconductors
Buys42
Sells702
Buy $$1.74M
Sell $$1.36B
Ratio1:782.84
% Change vs. Prior
Ratio +21.5%Value +225.9%
Leisure
Buys26
Sells57
Buy $$1.73M
Sell $$1.05B
Ratio1:610.16
Shell Companies
Buys63
Sells117
Buy $$86.62M
Sell $$802.44M
Ratio1:9.26
% Change vs. Prior
Ratio +170.1%Value +79.1%
Software - Application
Buys123
Sells500
Buy $$182.07M
Sell $$701.72M
Ratio1:3.85
% Change vs. Prior
Ratio +4.9%Value +273.5%
Medical - Diagnostics & Research
Buys3
Sells129
Buy $$781.14K
Sell $$868.79M
Ratio1:1112.22
Construction
Buys9
Sells28
Buy $$16.80M
Sell $$777.69M
Ratio1:46.30
Asset Management
Buys127
Sells95
Buy $$28.72M
Sell $$691.50M
Ratio1:24.08
Renewable Utilities
Buys12
Sells117
Buy $$44.10M
Sell $$616.10M
Ratio1:13.97
% Change vs. Prior
Ratio +79217.1%Value +29.1%
Biotechnology
Buys92
Sells1043
Buy $$131.87M
Sell $$516.78M
Ratio1:3.92
% Change vs. Prior
Ratio +229.0%Value -30.3%
Industrial - Machinery
Buys13
Sells123
Buy $$3.08M
Sell $$629.61M
Ratio1:204.10
Financial - Capital Markets
Buys10
Sells157
Buy $$343.83M
Sell $$201.05M
Ratio1.71:1
Internet Content & Information
Buys8
Sells220
Buy $$947.83K
Sell $$542.15M
Ratio1:572.00
Information Technology Services
Buys19
Sells107
Buy $$5.15M
Sell $$536.71M
Ratio1:104.15
Oil & Gas Equipment & Services
Buys2
Sells42
Buy $$450.65K
Sell $$507.54M
Ratio1:1126.24
% Change vs. Prior
Ratio +105.8%Value +250.7%
Transactions (10893)
AMBARELLA INC (AMBA)
Wang Feng-Ming โ Director
Shares
9,150
Price
$92.05
Total Value
$842.25K
Shares Held After
806,061
% of Holdings
1.1%
AMBARELLA INC (AMBA)
Wang Feng-Ming โ Director
Shares
6,065
Price
$91.23
Total Value
$553.31K
Shares Held After
815,211
% of Holdings
0.7%
AMBARELLA INC (AMBA)
Wang Feng-Ming โ Director
Shares
17,285
Price
$90.38
Total Value
$1.56M
Shares Held After
821,276
% of Holdings
2.1%
Rein Therapeutics, Inc. (RNTX)
VON RICKENBACH JOSEF H โ Director
Shares
23,190
Price
$1.06
Total Value
$24.47K
Shares Held After
58,014
% of Holdings
40.0%
Rocket Lab Corp (RKLB)
Clevenger Marvin Bradford โ President, Rocket Lab USA, Inc
Shares
1,818
Price
$144.13
Total Value
$262.03K
Shares Held After
477,475
% of Holdings
0.4%
Rocket Lab Corp (RKLB)
Kampani Arjun โ SVP & General Counsel
Shares
3,351
Price
$144.13
Total Value
$482.98K
Shares Held After
446,509
% of Holdings
0.7%
Rocket Lab Corp (RKLB)
Clevenger Marvin Bradford โ President, Rocket Lab USA, Inc
Shares
6,055
Price
$143.24
Total Value
$867.34K
Shares Held After
479,293
% of Holdings
1.2%
Rocket Lab Corp (RKLB)
Kampani Arjun โ SVP & General Counsel
Shares
11,165
Price
$143.24
Total Value
$1.60M
Shares Held After
449,860
% of Holdings
2.4%
Rocket Lab Corp (RKLB)
Klein Frank โ Chief Operations Officer
Shares
5,189
Price
$144.13
Total Value
$747.88K
Shares Held After
1,043,847
% of Holdings
0.5%
Rocket Lab Corp (RKLB)
Clevenger Marvin Bradford โ President, Rocket Lab USA, Inc
Shares
4,524
Price
$142.35
Total Value
$644.01K
Shares Held After
485,348
% of Holdings
0.9%
Rocket Lab Corp (RKLB)
Kampani Arjun โ SVP & General Counsel
Shares
8,341
Price
$142.35
Total Value
$1.19M
Shares Held After
461,025
% of Holdings
1.8%
Rocket Lab Corp (RKLB)
Clevenger Marvin Bradford โ President, Rocket Lab USA, Inc
Shares
1,519
Price
$141.46
Total Value
$214.87K
Shares Held After
489,872
% of Holdings
0.3%
Rocket Lab Corp (RKLB)
Klein Frank โ Chief Operations Officer
Shares
17,288
Price
$143.24
Total Value
$2.48M
Shares Held After
1,049,036
% of Holdings
1.6%
Rocket Lab Corp (RKLB)
Kampani Arjun โ SVP & General Counsel
Shares
2,800
Price
$141.46
Total Value
$396.08K
Shares Held After
469,366
% of Holdings
0.6%
Rocket Lab Corp (RKLB)
Clevenger Marvin Bradford โ President, Rocket Lab USA, Inc
Shares
1,222
Price
$140.20
Total Value
$171.33K
Shares Held After
491,391
% of Holdings
0.2%
Rocket Lab Corp (RKLB)
Klein Frank โ Chief Operations Officer
Shares
12,915
Price
$142.35
Total Value
$1.84M
Shares Held After
1,066,324
% of Holdings
1.2%
Rocket Lab Corp (RKLB)
Kampani Arjun โ SVP & General Counsel
Shares
2,254
Price
$140.20
Total Value
$316.01K
Shares Held After
472,166
% of Holdings
0.5%
Rocket Lab Corp (RKLB)
Klein Frank โ Chief Operations Officer
Shares
4,336
Price
$141.46
Total Value
$613.35K
Shares Held After
1,079,239
% of Holdings
0.4%
Rocket Lab Corp (RKLB)
Klein Frank โ Chief Operations Officer
Shares
3,490
Price
$140.20
Total Value
$489.30K
Shares Held After
1,083,575
% of Holdings
0.3%
Rocket Lab Corp (RKLB)
Clevenger Marvin Bradford โ President, Rocket Lab USA, Inc
Shares
411
Price
$139.41
Total Value
$57.30K
Shares Held After
492,613
% of Holdings
0.1%
Rocket Lab Corp (RKLB)
Kampani Arjun โ SVP & General Counsel
Shares
757
Price
$139.41
Total Value
$105.54K
Shares Held After
474,420
% of Holdings
0.2%
Rocket Lab Corp (RKLB)
Klein Frank โ Chief Operations Officer
Shares
1,172
Price
$139.41
Total Value
$163.39K
Shares Held After
1,087,065
% of Holdings
0.1%
Grab Holdings Ltd (GRAB)
Ong Chin Yin โ Chief Org Capability Officer
Shares
48,000
Price
$3.55
Total Value
$170.52K
Shares Held After
3,781,306
% of Holdings
1.3%
Hilltop Holdings Inc. (HTH)
Bobbitt Rhodes R โ Director
Shares
10,000
Price
$37.75
Total Value
$377.50K
Shares Held After
107,016
% of Holdings
8.5%
POWER INTEGRATIONS INC (POWI)
Gupta Sunil โ Sr. Vice President, Operations
Shares
15,894
Price
$82.18
Total Value
$1.31M
Shares Held After
71,239
% of Holdings
18.2%
Texas Roadhouse, Inc. (TXRH)
Colson Christopher C. โ CHIEF BUSINESS & ADMIN OFFICER
Shares
499
Price
$179.22
Total Value
$89.43K
Shares Held After
14,500
% of Holdings
3.3%
Lyft, Inc. (LYFT)
Llewellyn Lindsay Catherine โ Chief Legal Officer, Corporate Secretary
Shares
11,491
Price
$13.69
Total Value
$157.34K
Shares Held After
865,222
% of Holdings
1.3%
MONOLITHIC POWER SYSTEMS INC (MPWR)
DEAN ROBERT W II โ Interim CFO
Shares
22
Price
$1,649.56
Total Value
$36.29K
Shares Held After
5,878
% of Holdings
0.4%
Septerna, Inc. (SEPN)
Shaikhly Samira โ Chief People Officer
Shares
11,798
Price
$30.06
Total Value
$354.66K
Shares Held After
793
% of Holdings
93.7%
KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS)
Doorenbos Bobbi โ Director
Shares
2,500
Price
$57.29
Total Value
$143.23K
Shares Held After
12,500
% of Holdings
16.7%
Unity Software Inc. (U)
Boyden Rebecca Berenice โ SVP, Chief Legal Officer
Shares
952
Price
$27.20
Total Value
$25.89K
Shares Held After
309,445
% of Holdings
0.3%
Unity Software Inc. (U)
Barrysmith Mark โ Chief Accounting Officer
Shares
13,247
Price
$27.18
Total Value
$360.05K
Shares Held After
370,654
% of Holdings
3.5%
Arista Networks, Inc. (ANET)
BECHTOLSHEIM ANDREAS โ 10% Owner
Shares
1,185
Price
$160.01
Total Value
$189.61K
Shares Held After
182,803,048
% of Holdings
0.0%
Arista Networks, Inc. (ANET)
BECHTOLSHEIM ANDREAS โ 10% Owner
Shares
36,494
Price
$159.30
Total Value
$5.81M
Shares Held After
182,804,233
% of Holdings
0.0%
Arista Networks, Inc. (ANET)
BECHTOLSHEIM ANDREAS โ 10% Owner
Shares
47,035
Price
$158.49
Total Value
$7.45M
Shares Held After
182,840,727
% of Holdings
0.0%
Arista Networks, Inc. (ANET)
BECHTOLSHEIM ANDREAS โ 10% Owner
Shares
11,535
Price
$157.34
Total Value
$1.81M
Shares Held After
182,887,762
% of Holdings
0.0%
Arista Networks, Inc. (ANET)
BECHTOLSHEIM ANDREAS โ 10% Owner
Shares
34,960
Price
$156.49
Total Value
$5.47M
Shares Held After
182,899,297
% of Holdings
0.0%
Arista Networks, Inc. (ANET)
BECHTOLSHEIM ANDREAS โ 10% Owner
Shares
55,818
Price
$155.35
Total Value
$8.67M
Shares Held After
182,934,257
% of Holdings
0.0%
Arista Networks, Inc. (ANET)
BECHTOLSHEIM ANDREAS โ 10% Owner
Shares
32,973
Price
$154.50
Total Value
$5.09M
Shares Held After
182,990,075
% of Holdings
0.0%
Snowflake Inc. (SNOW)
Slootman Frank โ Director
Shares
22,099
Price
$177.50
Total Value
$3.92M
Shares Held After
38,046
% of Holdings
36.7%
Snowflake Inc. (SNOW)
Slootman Frank โ Director
Shares
14,174
Price
$176.42
Total Value
$2.50M
Shares Held After
60,145
% of Holdings
19.1%
Snowflake Inc. (SNOW)
Slootman Frank โ Director
Shares
19,077
Price
$175.47
Total Value
$3.35M
Shares Held After
74,319
% of Holdings
20.4%
Unity Software Inc. (U)
Yahes Jarrod โ SVP, Chief Financial Officer
Shares
24,021
Price
$27.18
Total Value
$652.89K
Shares Held After
704,360
% of Holdings
3.3%
Unity Software Inc. (U)
Blum Alexander โ SVP, Chief Operating Officer
Shares
19,009
Price
$27.18
Total Value
$516.66K
Shares Held After
730,069
% of Holdings
2.5%
Arista Networks, Inc. (ANET)
Breithaupt Chantelle Yvette โ Senior Vice President, CFO
Shares
2,448
Price
$157.00
Total Value
$384.34K
Shares Held After
64,408
% of Holdings
3.7%
KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS)
Adelman Jonah โ President, ME Division
Shares
31,348
Price
$57.06
Total Value
$1.79M
Shares Held After
8,000
% of Holdings
79.7%
Arista Networks, Inc. (ANET)
Ullal Jayshree โ Director
Shares
100
Price
$157.30
Total Value
$15.73K
Shares Held After
9,917
% of Holdings
1.0%
KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS)
Fendley Steven S. โ President, US Division
Shares
20
Price
$58.62
Total Value
$1.17K
Shares Held After
344,090
% of Holdings
0.0%
Arista Networks, Inc. (ANET)
Ullal Jayshree โ Director
Shares
2,175
Price
$156.22
Total Value
$339.78K
Shares Held After
10,017
% of Holdings
17.8%
KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS)
Fendley Steven S. โ President, US Division
Shares
2,336
Price
$57.88
Total Value
$135.20K
Shares Held After
344,110
% of Holdings
0.7%
Showing 901โ950 of 10893 transactions (page 19 of 218)