Insider Buy/Sell Ratio for May 2026
Ratio0.2:1
Daily Buy & Sell Volume
By Sector
Technology
Buys231
Sells3647
Buy $$4.67B
Sell $$6.23B
Ratio1:1.33
% Change vs. Prior
Ratio -84.3%Value -49.4%
Healthcare
Buys260
Sells1670
Buy $$213.05M
Sell $$6.30B
Ratio1:29.56
% Change vs. Prior
Ratio -66.4%Value +482.7%
Industrials
Buys200
Sells958
Buy $$259.18M
Sell $$2.58B
Ratio1:9.97
% Change vs. Prior
Ratio +1696.0%Value -26.4%
Financial Services
Buys588
Sells1226
Buy $$525.89M
Sell $$2.15B
Ratio1:4.09
% Change vs. Prior
Ratio +434.2%Value +133.7%
Consumer Cyclical
Buys173
Sells824
Buy $$65.31M
Sell $$2.04B
Ratio1:31.31
% Change vs. Prior
Ratio -98.5%Value +42.1%
Energy
Buys127
Sells240
Buy $$50.81M
Sell $$1.29B
Ratio1:25.32
% Change vs. Prior
Ratio -73.9%Value +205.9%
Communication Services
Buys67
Sells356
Buy $$124.79M
Sell $$924.69M
Ratio1:7.41
% Change vs. Prior
Ratio +698.8%Value +466.8%
Utilities
Buys42
Sells185
Buy $$63.55M
Sell $$732.89M
Ratio1:11.53
% Change vs. Prior
Ratio +761.6%Value +31.3%
Consumer Defensive
Buys80
Sells278
Buy $$101.40M
Sell $$675.65M
Ratio1:6.66
% Change vs. Prior
Ratio -15.4%Value +531.4%
Real Estate
Buys93
Sells103
Buy $$27.06M
Sell $$148.51M
Ratio1:5.49
% Change vs. Prior
Ratio -88.2%Value +105.2%
Basic Materials
Buys57
Sells126
Buy $$10.42M
Sell $$150.45M
Ratio1:14.44
% Change vs. Prior
Ratio -28.9%Value -48.7%
By Industry
Hardware, Equipment & Parts
Buys5
Sells348
Buy $$4.45B
Sell $$375.45M
Ratio11.86:1
% Change vs. Prior
Ratio -95.4%Value -72.9%
Medical - Instruments & Supplies
Buys22
Sells52
Buy $$14.87M
Sell $$3.64B
Ratio1:244.77
Software - Infrastructure
Buys27
Sells1305
Buy $$24.92M
Sell $$2.43B
Ratio1:97.60
% Change vs. Prior
Ratio +444.1%Value +24.0%
Semiconductors
Buys42
Sells788
Buy $$1.74M
Sell $$1.44B
Ratio1:823.57
% Change vs. Prior
Ratio +15.5%Value +242.9%
Leisure
Buys26
Sells59
Buy $$1.73M
Sell $$1.06B
Ratio1:611.03
Software - Application
Buys128
Sells552
Buy $$187.47M
Sell $$860.95M
Ratio1:4.59
% Change vs. Prior
Ratio -15.1%Value +333.3%
Medical - Diagnostics & Research
Buys3
Sells154
Buy $$781.14K
Sell $$947.92M
Ratio1:1213.51
Shell Companies
Buys63
Sells119
Buy $$86.62M
Sell $$803.29M
Ratio1:9.27
% Change vs. Prior
Ratio +169.4%Value +79.3%
Construction
Buys9
Sells29
Buy $$16.80M
Sell $$780.35M
Ratio1:46.45
Asset Management
Buys140
Sells101
Buy $$30.07M
Sell $$694.83M
Ratio1:23.11
Biotechnology
Buys120
Sells1087
Buy $$172.79M
Sell $$530.27M
Ratio1:3.07
% Change vs. Prior
Ratio +320.2%Value -24.4%
Renewable Utilities
Buys18
Sells129
Buy $$57.41M
Sell $$641.39M
Ratio1:11.17
% Change vs. Prior
Ratio +99086.6%Value +36.6%
Internet Content & Information
Buys9
Sells243
Buy $$968.77K
Sell $$653.94M
Ratio1:675.02
Industrial - Machinery
Buys13
Sells124
Buy $$3.08M
Sell $$629.78M
Ratio1:204.15
Information Technology Services
Buys19
Sells125
Buy $$5.15M
Sell $$563.37M
Ratio1:109.32
Transactions (11686)
Samsara Inc. (IOT)
Bicket John — Director
Shares
1,500
Price
$27.83
Total Value
$41.74K
Shares Held After
361,828
% of Holdings
0.4%
Samsara Inc. (IOT)
Bicket John — Director
Shares
88,720
Price
$27.48
Total Value
$2.44M
Shares Held After
363,328
% of Holdings
19.6%
TREACE MEDICAL CONCEPTS, INC. (TMCI)
Treace John T. — Director
Shares
49,013
Price
$2.46
Total Value
$120.53K
Shares Held After
7,096,563
% of Holdings
0.7%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
702
Price
$136.15
Total Value
$95.58K
Shares Held After
447,037
% of Holdings
0.2%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
66
Price
$135.73
Total Value
$8.96K
Shares Held After
447,739
% of Holdings
0.0%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
200
Price
$132.63
Total Value
$26.53K
Shares Held After
447,805
% of Holdings
0.0%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
200
Price
$130.57
Total Value
$26.11K
Shares Held After
448,005
% of Holdings
0.0%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
700
Price
$129.33
Total Value
$90.53K
Shares Held After
448,205
% of Holdings
0.2%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
700
Price
$128.52
Total Value
$89.96K
Shares Held After
448,905
% of Holdings
0.2%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
100
Price
$127.47
Total Value
$12.75K
Shares Held After
449,605
% of Holdings
0.0%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
398
Price
$126.59
Total Value
$50.38K
Shares Held After
449,705
% of Holdings
0.1%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
1,388
Price
$125.58
Total Value
$174.31K
Shares Held After
450,103
% of Holdings
0.3%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
2,984
Price
$124.71
Total Value
$372.13K
Shares Held After
451,491
% of Holdings
0.7%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
1,300
Price
$123.72
Total Value
$160.84K
Shares Held After
454,475
% of Holdings
0.3%
FORMFACTOR INC (FORM)
SLESSOR MIKE — Director
Shares
700
Price
$122.84
Total Value
$85.99K
Shares Held After
455,775
% of Holdings
0.2%
Comstock Inc. (LODE)
Pei Steven Yu-Tsung — Director
Shares
345,000
Price
$3.38
Total Value
$1.16M
Shares Held After
1,451,421
% of Holdings
23.8%
Samsara Inc. (IOT)
Biswas Sanjit — Director
Shares
5,351
Price
$27.17
Total Value
$145.40K
Shares Held After
67,600
% of Holdings
7.3%
Samsara Inc. (IOT)
Biswas Sanjit — Director
Shares
1,170
Price
$27.83
Total Value
$32.56K
Shares Held After
515,056
% of Holdings
0.2%
Samsara Inc. (IOT)
Biswas Sanjit — Director
Shares
89,107
Price
$27.48
Total Value
$2.45M
Shares Held After
516,226
% of Holdings
14.7%
JOINT Corp (JYNT)
JOBSON CHARLES E — 10% Owner
Shares
20,375
Price
$8.57
Total Value
$174.61K
Shares Held After
1,793,854
% of Holdings
1.1%
Samsara Inc. (IOT)
Kirchhoff Benjamin Louis — CHIEF ACCOUNTING OFFICER
Shares
2,554
Price
$27.47
Total Value
$70.16K
Shares Held After
111,704
% of Holdings
2.2%
Arteris, Inc. (AIP)
Viana Antonio J — Director
Shares
4,462
Price
$35.35
Total Value
$157.75K
Shares Held After
84,620
% of Holdings
5.0%
Arteris, Inc. (AIP)
Viana Antonio J — Director
Shares
15,538
Price
$34.06
Total Value
$529.22K
Shares Held After
89,082
% of Holdings
14.9%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
360
Price
$583.81
Total Value
$210.17K
Shares Held After
40,513
% of Holdings
0.9%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
80
Price
$582.32
Total Value
$46.59K
Shares Held After
40,873
% of Holdings
0.2%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
371
Price
$581.52
Total Value
$215.74K
Shares Held After
40,953
% of Holdings
0.9%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
1,494
Price
$580.50
Total Value
$867.27K
Shares Held After
41,324
% of Holdings
3.5%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
1,752
Price
$579.58
Total Value
$1.02M
Shares Held After
42,818
% of Holdings
3.9%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
1,874
Price
$578.63
Total Value
$1.08M
Shares Held After
44,570
% of Holdings
4.0%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
1,567
Price
$577.58
Total Value
$905.07K
Shares Held After
46,444
% of Holdings
3.3%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
624
Price
$576.34
Total Value
$359.64K
Shares Held After
48,011
% of Holdings
1.3%
Willdan Group, Inc. (WLDN)
BIEBER MICHAEL A — Director
Shares
9,991
Price
$92.65
Total Value
$925.67K
Shares Held After
249,525
% of Holdings
3.8%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
1,378
Price
$575.40
Total Value
$792.90K
Shares Held After
48,635
% of Holdings
2.8%
NET Power Inc. (NPWR)
8 Rivers Capital, LLC — 10% Owner
Shares
35,000
Price
$2.43
Total Value
$85.15K
Shares Held After
2,965,000
% of Holdings
1.2%
NET Power Inc. (NPWR)
NPEH, LLC — 10% Owner
Shares
35,000
Price
$2.43
Total Value
$85.15K
Shares Held After
2,965,000
% of Holdings
1.2%
nVent Electric plc (NVT)
Zawoyski Sara E — President-Systems Protection
Shares
2,397
Price
$172.94
Total Value
$414.53K
Shares Held After
97,068
% of Holdings
2.4%
nVent Electric plc (NVT)
Zawoyski Sara E — President-Systems Protection
Shares
27,015
Price
$172.45
Total Value
$4.66M
Shares Held After
99,465
% of Holdings
21.4%
Black Stone Minerals, L.P. (BSM)
Carter Thomas L Jr — Director
Shares
1,120
Price
$13.50
Total Value
$15.12K
Shares Held After
3,682,724
% of Holdings
0.0%
STRATTEC SECURITY CORP (STRT)
Slater Jennifer Lynn — Director
Shares
801
Price
$62.46
Total Value
$50.00K
Shares Held After
57,924
% of Holdings
1.4%
Post Holdings, Inc. (POST)
CURL GREGORY L — Director
Shares
6,186
Price
$105.05
Total Value
$649.84K
Shares Held After
15,107
% of Holdings
29.1%
ECOLAB INC. (ECL)
MacLennan David — Director
Shares
1,000
Price
$250.65
Total Value
$250.65K
Shares Held After
25,230
% of Holdings
4.0%
AXCELIS TECHNOLOGIES INC (ACLS)
Redinbo Greg — EVP MARKETING AND APPLICATIONS
Shares
2,883
Price
$160.85
Total Value
$463.73K
Shares Held After
29,823
% of Holdings
8.8%
American Homes 4 Rent (AMH)
CORRIGAN JACK E — Director
Shares
100
Price
$23.25
Total Value
$2.33K
Shares Held After
100
% of Holdings
100.0%
American Homes 4 Rent (AMH)
CORRIGAN JACK E — Director
Shares
1,000
Price
$23.25
Total Value
$23.25K
Shares Held After
12,000
% of Holdings
8.3%
INNODATA INC (INOD)
Massey Stewart R — Director
Shares
1,000
Price
$90.00
Total Value
$90.00K
Shares Held After
29,205
% of Holdings
3.3%
American Homes 4 Rent (AMH)
CORRIGAN JACK E — Director
Shares
400
Price
$23.25
Total Value
$9.30K
Shares Held After
20,000
% of Holdings
2.0%
INNODATA INC (INOD)
Massey Stewart R — Director
Shares
9,000
Price
$88.02
Total Value
$792.18K
Shares Held After
30,205
% of Holdings
23.0%
American Homes 4 Rent (AMH)
CORRIGAN JACK E — Director
Shares
94
Price
$23.25
Total Value
$2.19K
Shares Held After
100
% of Holdings
94.0%
CSP INC /MA/ (CSPI)
Azeri Ismail — Director
Shares
218
Price
$9.41
Total Value
$2.05K
Shares Held After
108,490
% of Holdings
0.2%
AXCELIS TECHNOLOGIES INC (ACLS)
Titinger Jorge — Director
Shares
2,000
Price
$164.14
Total Value
$328.28K
Shares Held After
4,477
% of Holdings
30.9%
Showing 6651–6700 of 11686 transactions (page 134 of 234)