Insider Buy/Sell Ratio for May 2026
Ratio0.2:1
Daily Buy & Sell Volume
By Sector
Technology
Buys231
Sells3644
Buy $$4.67B
Sell $$6.23B
Ratio1:1.33
% Change vs. Prior
Ratio -84.3%Value -49.4%
Healthcare
Buys249
Sells1654
Buy $$211.57M
Sell $$6.30B
Ratio1:29.77
% Change vs. Prior
Ratio -66.6%Value +482.8%
Industrials
Buys200
Sells957
Buy $$259.18M
Sell $$2.58B
Ratio1:9.97
% Change vs. Prior
Ratio +1696.2%Value -26.4%
Financial Services
Buys580
Sells1224
Buy $$525.51M
Sell $$2.15B
Ratio1:4.09
% Change vs. Prior
Ratio +434.2%Value +133.7%
Consumer Cyclical
Buys171
Sells823
Buy $$65.13M
Sell $$2.04B
Ratio1:31.39
% Change vs. Prior
Ratio -98.5%Value +42.0%
Energy
Buys124
Sells240
Buy $$50.80M
Sell $$1.29B
Ratio1:25.33
% Change vs. Prior
Ratio -73.9%Value +205.9%
Communication Services
Buys66
Sells342
Buy $$122.11M
Sell $$923.44M
Ratio1:7.56
% Change vs. Prior
Ratio +714.2%Value +465.2%
Utilities
Buys42
Sells185
Buy $$63.55M
Sell $$732.89M
Ratio1:11.53
% Change vs. Prior
Ratio +761.6%Value +31.3%
Consumer Defensive
Buys80
Sells277
Buy $$101.40M
Sell $$675.19M
Ratio1:6.66
% Change vs. Prior
Ratio -15.3%Value +531.0%
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
Sells58
Buy $$1.73M
Sell $$1.06B
Ratio1:610.86
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 +169.8%Value +79.3%
Construction
Buys9
Sells29
Buy $$16.80M
Sell $$780.35M
Ratio1:46.45
Asset Management
Buys136
Sells100
Buy $$29.71M
Sell $$694.82M
Ratio1:23.38
Biotechnology
Buys111
Sells1083
Buy $$171.50M
Sell $$530.25M
Ratio1:3.09
% Change vs. Prior
Ratio +317.0%Value -24.6%
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
Sells123
Buy $$3.08M
Sell $$629.61M
Ratio1:204.10
Information Technology Services
Buys19
Sells125
Buy $$5.15M
Sell $$563.37M
Ratio1:109.32
Transactions (11618)
Twist Bioscience Corp (TWST)
Laponis Adam โ Chief Financial Officer
Shares
2,019
Price
$53.26
Total Value
$107.53K
Shares Held After
116,675
% of Holdings
1.7%
Twist Bioscience Corp (TWST)
Leproust Emily M. โ Director
Shares
6,888
Price
$53.26
Total Value
$366.83K
Shares Held After
846,872
% of Holdings
0.8%
Twist Bioscience Corp (TWST)
WERNER ROBERT F. โ Chief Accounting Officer
Shares
688
Price
$53.26
Total Value
$36.64K
Shares Held After
48,986
% of Holdings
1.4%
Arista Networks, Inc. (ANET)
Battles Kelly Bodnar โ Director
Shares
168
Price
$147.93
Total Value
$24.85K
Shares Held After
10,078
% of Holdings
1.6%
Arista Networks, Inc. (ANET)
Battles Kelly Bodnar โ Director
Shares
54
Price
$146.14
Total Value
$7.89K
Shares Held After
10,246
% of Holdings
0.5%
Arista Networks, Inc. (ANET)
Battles Kelly Bodnar โ Director
Shares
170
Price
$145.50
Total Value
$24.73K
Shares Held After
10,300
% of Holdings
1.6%
Arista Networks, Inc. (ANET)
Battles Kelly Bodnar โ Director
Shares
28
Price
$144.23
Total Value
$4.04K
Shares Held After
10,470
% of Holdings
0.3%
Arista Networks, Inc. (ANET)
Battles Kelly Bodnar โ Director
Shares
2
Price
$140.49
Total Value
$280.98
Shares Held After
10,498
% of Holdings
0.0%
Hut 8 Corp. (HUT)
Wilkinson Amy Marie โ Director
Shares
20,000
Price
$100.78
Total Value
$2.02M
Shares Held After
262,136
% of Holdings
7.1%
AMAZON COM INC (AMZN)
Garman Matthew S โ CEO Amazon Web Services
Shares
433
Price
$265.64
Total Value
$115.02K
Shares Held After
14,159
% of Holdings
3.0%
AMAZON COM INC (AMZN)
Garman Matthew S โ CEO Amazon Web Services
Shares
2,534
Price
$264.95
Total Value
$671.37K
Shares Held After
14,592
% of Holdings
14.8%
AMAZON COM INC (AMZN)
Garman Matthew S โ CEO Amazon Web Services
Shares
3,689
Price
$264.03
Total Value
$974.01K
Shares Held After
17,126
% of Holdings
17.7%
AMAZON COM INC (AMZN)
Garman Matthew S โ CEO Amazon Web Services
Shares
4,554
Price
$263.18
Total Value
$1.20M
Shares Held After
20,815
% of Holdings
18.0%
AMAZON COM INC (AMZN)
Garman Matthew S โ CEO Amazon Web Services
Shares
4,257
Price
$261.93
Total Value
$1.12M
Shares Held After
25,369
% of Holdings
14.4%
Ainos, Inc. (AIMD)
lee ting-chuan โ Director
Shares
9,000
Price
$1.56
Total Value
$14.04K
Shares Held After
926,707
% of Holdings
1.0%
FIVE STAR BANCORP (FSBC)
Lee Michael Eugene โ SVP, Chief Regulatory Officer
Shares
867
Price
$41.23
Total Value
$35.75K
Shares Held After
32,764
% of Holdings
2.6%
Ceribell, Inc. (CBLL)
Blumberg Scott โ Chief Financial Officer
Shares
1,387
Price
$18.00
Total Value
$24.97K
Shares Held After
147,683
% of Holdings
0.9%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
2,128,025
Price
$14.69
Total Value
$31.27M
Shares Held After
751,744
% of Holdings
73.9%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
100,720
Price
$14.69
Total Value
$1.48M
Shares Held After
35,580
% of Holdings
73.9%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
2,262,112
Price
$14.69
Total Value
$33.24M
Shares Held After
7,554,800
% of Holdings
23.0%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
390,066
Price
$14.69
Total Value
$5.73M
Shares Held After
137,795
% of Holdings
73.9%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
1,432,671
Price
$14.69
Total Value
$21.05M
Shares Held After
4,784,711
% of Holdings
23.0%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
100,350
Price
$14.69
Total Value
$1.47M
Shares Held After
35,450
% of Holdings
73.9%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
106,336
Price
$14.69
Total Value
$1.56M
Shares Held After
37,564
% of Holdings
73.9%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
55,939
Price
$14.69
Total Value
$821.93K
Shares Held After
19,761
% of Holdings
73.9%
Infleqtion, Inc. (INFQ)
MAVERICK CAPITAL LTD โ Director
Shares
8,300
Price
$14.70
Total Value
$122.01K
Shares Held After
0
% of Holdings
100.0%
Ceribell, Inc. (CBLL)
Chao Xingjuan โ Director
Shares
6,030
Price
$18.00
Total Value
$108.54K
Shares Held After
830,317
% of Holdings
0.7%
ESS Tech, Inc. (GWH)
Goodman Kelly F. โ Chief Strategy Officer and General Counsel
Shares
2,482
Price
$0.92
Total Value
$2.28K
Shares Held After
213,371
% of Holdings
1.1%
ESS Tech, Inc. (GWH)
Suhadolnik Kate Eileen โ Chief Financial Officer
Shares
1,735
Price
$0.92
Total Value
$1.59K
Shares Held After
162,679
% of Holdings
1.1%
AMAZON COM INC (AMZN)
Herrington Douglas J โ CEO Worldwide Amazon Stores
Shares
800
Price
$263.85
Total Value
$211.08K
Shares Held After
486,527
% of Holdings
0.2%
AMAZON COM INC (AMZN)
Herrington Douglas J โ CEO Worldwide Amazon Stores
Shares
1,370
Price
$263.12
Total Value
$360.47K
Shares Held After
487,327
% of Holdings
0.3%
AMAZON COM INC (AMZN)
Herrington Douglas J โ CEO Worldwide Amazon Stores
Shares
4,200
Price
$261.88
Total Value
$1.10M
Shares Held After
488,697
% of Holdings
0.9%
Chubb Ltd (CB)
ATIEH MICHAEL G โ Director
Shares
578
Price
$329.53
Total Value
$190.47K
Shares Held After
40,014
% of Holdings
1.4%
RLI CORP (RLI)
Kliethermes Craig W โ CHIEF EXECUTIVE OFFICER
Shares
5,000
Price
$52.00
Total Value
$260.00K
Shares Held After
148,990
% of Holdings
3.4%
Six Flags Entertainment Corporation/NEW (FUN)
Spiegel Marilyn G โ Director
Shares
2,500
Price
$19.10
Total Value
$47.75K
Shares Held After
15,161
% of Holdings
16.5%
POWER INTEGRATIONS INC (POWI)
BALAKRISHNAN BALU โ Director
Shares
53,880
Price
$70.71
Total Value
$3.81M
Shares Held After
522,376
% of Holdings
9.4%
HANOVER INSURANCE GROUP, INC. (THG)
Aristeguieta Francisco โ Director
Shares
1,000
Price
$195.37
Total Value
$195.37K
Shares Held After
4,053
% of Holdings
19.8%
Ceribell, Inc. (CBLL)
Woo Raymond โ Chief Technology Officer
Shares
1,966
Price
$18.00
Total Value
$35.39K
Shares Held After
195,682
% of Holdings
1.0%
LIQUIDITY SERVICES INC (LQDT)
Weiskircher Steven โ SVP & Chief Technology Officer
Shares
493
Price
$34.45
Total Value
$16.98K
Shares Held After
69,222
% of Holdings
0.7%
AMAZON COM INC (AMZN)
Jassy Andrew R โ Director
Shares
300
Price
$265.61
Total Value
$79.68K
Shares Held After
2,205,766
% of Holdings
0.0%
AMAZON COM INC (AMZN)
Jassy Andrew R โ Director
Shares
3,600
Price
$264.97
Total Value
$953.91K
Shares Held After
2,206,066
% of Holdings
0.2%
AMAZON COM INC (AMZN)
Jassy Andrew R โ Director
Shares
5,667
Price
$263.95
Total Value
$1.50M
Shares Held After
2,209,666
% of Holdings
0.3%
AMAZON COM INC (AMZN)
Jassy Andrew R โ Director
Shares
5,227
Price
$263.10
Total Value
$1.38M
Shares Held After
2,215,333
% of Holdings
0.2%
AMAZON COM INC (AMZN)
Jassy Andrew R โ Director
Shares
5,206
Price
$261.95
Total Value
$1.36M
Shares Held After
2,220,560
% of Holdings
0.2%
Ceribell, Inc. (CBLL)
Manni Joseph S. โ Chief Revenue Officer
Shares
1,378
Price
$18.00
Total Value
$24.80K
Shares Held After
56,291
% of Holdings
2.4%
Ceribell, Inc. (CBLL)
Foehr David โ Senior VP, Finance and PAO
Shares
987
Price
$18.00
Total Value
$17.77K
Shares Held After
38,613
% of Holdings
2.5%
Werewolf Therapeutics, Inc. (HOWL)
EVNIN LUKE โ Director
Shares
36,387
Price
$0.42
Total Value
$15.28K
Shares Held After
919,060
% of Holdings
3.8%
Liquidia Corp (LQDA)
SINGH RAMAN โ Director
Shares
29,494
Price
$60.13
Total Value
$1.77M
Shares Held After
38,755
% of Holdings
43.2%
ULTRALIFE CORP (ULBI)
WHITMORE BRADFORD T โ Director
Shares
32,876
Price
$6.13
Total Value
$201.67K
Shares Held After
1,974,635
% of Holdings
1.7%
DEXCOM INC (DXCM)
SAYER KEVIN R โ Director
Shares
26,759
Price
$72.00
Total Value
$1.93M
Shares Held After
382,482
% of Holdings
6.5%
Showing 2101โ2150 of 11618 transactions (page 43 of 233)