Average Insider

Where insiders trade, we follow

Insider Buy/Sell Ratio — Last 3 Months

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

By Sector

By Industry

Hardware, Equipment & Parts
Buys29
Sells729
Buy $$19.90B
Sell $$683.12M
Ratio29.14:1
Medical - Instruments & Supplies
Buys45
Sells104
Buy $$29.52M
Sell $$11.25B
Ratio1:381.07
% Change vs. Prior
Ratio -98.7%Value +260.1%
Software - Infrastructure
Buys61
Sells3012
Buy $$49.25M
Sell $$5.05B
Ratio1:102.55
% Change vs. Prior
Ratio -54.4%Value +222.3%
Oil & Gas Exploration & Production
Buys171
Sells174
Buy $$51.50M
Sell $$3.16B
Ratio1:61.44
% Change vs. Prior
Ratio -32.7%Value +232.8%
Semiconductors
Buys83
Sells1657
Buy $$3.38M
Sell $$3.00B
Ratio1:886.88
% Change vs. Prior
Ratio -70.9%Value +18.5%
Engineering & Construction
Buys10
Sells222
Buy $$1.48M
Sell $$2.31B
Ratio1:1561.13
% Change vs. Prior
Ratio -76.3%Value +115.1%
Biotechnology
Buys336
Sells3125
Buy $$346.03M
Sell $$1.86B
Ratio1:5.39
% Change vs. Prior
Ratio -69.9%Value -38.1%
Software - Application
Buys243
Sells1551
Buy $$374.93M
Sell $$1.77B
Ratio1:4.72
% Change vs. Prior
Ratio -15.3%Value +4.9%
Specialty Retail
Buys84
Sells1000
Buy $$159.46M
Sell $$1.85B
Ratio1:11.60
% Change vs. Prior
Ratio +48.6%Value +84.5%
Rental & Leasing Services
Buys9
Sells128
Buy $$1.29M
Sell $$1.87B
Ratio1:1451.24
Computer Hardware
Buys5
Sells994
Buy $$455.54K
Sell $$1.83B
Ratio1:4011.25
Shell Companies
Buys111
Sells319
Buy $$114.69M
Sell $$1.46B
Ratio1:12.75
Information Technology Services
Buys59
Sells203
Buy $$7.69M
Sell $$1.50B
Ratio1:194.64
Renewable Utilities
Buys21
Sells154
Buy $$57.47M
Sell $$1.16B
Ratio1:20.27
% Change vs. Prior
Ratio +146995.7%Value -11.7%
Medical - Diagnostics & Research
Buys18
Sells341
Buy $$10.55M
Sell $$1.09B
Ratio1:103.56
May 21, 2026
Sale
Shares
60,702
Price
$14.79
Total Value
$897.69K
Shares Held After
699,298
% of Holdings
8.0%

Cellebrite DI Ltd. (CLBT)

GEE DAVID NICHOLAS — Chief Marketing Officer
May 21, 2026
Sale
Shares
3,430
Price
$13.15
Total Value
$45.09K
Shares Held After
142,032
% of Holdings
2.4%

Cellebrite DI Ltd. (CLBT)

GEE DAVID NICHOLAS — Chief Marketing Officer
May 21, 2026
Sale
Shares
2,243
Price
$13.10
Total Value
$29.38K
Shares Held After
145,462
% of Holdings
1.5%

Twist Bioscience Corp (TWST)

Laponis Adam — Chief Financial Officer
May 21, 2026
Sale
Shares
2,019
Price
$53.26
Total Value
$107.53K
Shares Held After
116,675
% of Holdings
1.7%
May 21, 2026
Sale
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. — Chief Accounting Officer
May 21, 2026
Sale
Shares
688
Price
$53.26
Total Value
$36.64K
Shares Held After
48,986
% of Holdings
1.4%
May 21, 2026
Sale
Shares
168
Price
$147.93
Total Value
$24.85K
Shares Held After
10,078
% of Holdings
1.6%
May 21, 2026
Sale
Shares
54
Price
$146.14
Total Value
$7.89K
Shares Held After
10,246
% of Holdings
0.5%
May 21, 2026
Sale
Shares
170
Price
$145.50
Total Value
$24.73K
Shares Held After
10,300
% of Holdings
1.6%
May 21, 2026
Sale
Shares
28
Price
$144.23
Total Value
$4.04K
Shares Held After
10,470
% of Holdings
0.3%
May 21, 2026
Sale
Shares
2
Price
$140.49
Total Value
$280.98
Shares Held After
10,498
% of Holdings
0.0%
May 21, 2026
Sale
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 — CEO Amazon Web Services
May 21, 2026
Sale
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 — CEO Amazon Web Services
May 21, 2026
Sale
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 — CEO Amazon Web Services
May 21, 2026
Sale
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 — CEO Amazon Web Services
May 21, 2026
Sale
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 — CEO Amazon Web Services
May 21, 2026
Sale
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 — Director
May 21, 2026
Sale
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 — SVP, Chief Regulatory Officer
May 21, 2026
Sale
Shares
867
Price
$41.23
Total Value
$35.75K
Shares Held After
32,764
% of Holdings
2.6%

Ceribell, Inc. (CBLL)

Blumberg Scott — Chief Financial Officer
May 21, 2026
Sale
Shares
1,387
Price
$18.00
Total Value
$24.97K
Shares Held After
147,683
% of Holdings
0.9%
May 21, 2026
Sale
Shares
2,128,025
Price
$14.69
Total Value
$31.27M
Shares Held After
751,744
% of Holdings
73.9%
May 21, 2026
Sale
Shares
100,720
Price
$14.69
Total Value
$1.48M
Shares Held After
35,580
% of Holdings
73.9%
May 21, 2026
Sale
Shares
2,262,112
Price
$14.69
Total Value
$33.24M
Shares Held After
7,554,800
% of Holdings
23.0%
May 21, 2026
Sale
Shares
390,066
Price
$14.69
Total Value
$5.73M
Shares Held After
137,795
% of Holdings
73.9%
May 21, 2026
Sale
Shares
1,432,671
Price
$14.69
Total Value
$21.05M
Shares Held After
4,784,711
% of Holdings
23.0%
May 21, 2026
Sale
Shares
100,350
Price
$14.69
Total Value
$1.47M
Shares Held After
35,450
% of Holdings
73.9%
May 21, 2026
Sale
Shares
106,336
Price
$14.69
Total Value
$1.56M
Shares Held After
37,564
% of Holdings
73.9%
May 21, 2026
Sale
Shares
55,939
Price
$14.69
Total Value
$821.93K
Shares Held After
19,761
% of Holdings
73.9%
May 21, 2026
Sale
Shares
8,300
Price
$14.70
Total Value
$122.01K
Shares Held After
0
% of Holdings
100.0%

Ceribell, Inc. (CBLL)

Chao Xingjuan — Director
May 21, 2026
Sale
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. — Chief Strategy Officer and General Counsel
May 21, 2026
Sale
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 — Chief Financial Officer
May 21, 2026
Sale
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 — CEO Worldwide Amazon Stores
May 21, 2026
Sale
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 — CEO Worldwide Amazon Stores
May 21, 2026
Sale
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 — CEO Worldwide Amazon Stores
May 21, 2026
Sale
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 — Director
May 21, 2026
Sale
Shares
578
Price
$329.53
Total Value
$190.47K
Shares Held After
40,014
% of Holdings
1.4%

RLI CORP (RLI)

Kliethermes Craig W — CHIEF EXECUTIVE OFFICER
May 21, 2026
Purchase
Shares
5,000
Price
$52.00
Total Value
$260.00K
Shares Held After
148,990
% of Holdings
3.4%
May 21, 2026
Purchase
Shares
2,500
Price
$19.10
Total Value
$47.75K
Shares Held After
15,161
% of Holdings
16.5%
May 21, 2026
Sale
Shares
53,880
Price
$70.71
Total Value
$3.81M
Shares Held After
522,376
% of Holdings
9.4%
May 21, 2026
Sale
Shares
1,000
Price
$195.37
Total Value
$195.37K
Shares Held After
4,053
% of Holdings
19.8%

Ceribell, Inc. (CBLL)

Woo Raymond — Chief Technology Officer
May 21, 2026
Sale
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 — SVP & Chief Technology Officer
May 21, 2026
Sale
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 — Director
May 21, 2026
Sale
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 — Director
May 21, 2026
Sale
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 — Director
May 21, 2026
Sale
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 — Director
May 21, 2026
Sale
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 — Director
May 21, 2026
Sale
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. — Chief Revenue Officer
May 21, 2026
Sale
Shares
1,378
Price
$18.00
Total Value
$24.80K
Shares Held After
56,291
% of Holdings
2.4%

Ceribell, Inc. (CBLL)

Foehr David — Senior VP, Finance and PAO
May 21, 2026
Sale
Shares
987
Price
$18.00
Total Value
$17.77K
Shares Held After
38,613
% of Holdings
2.5%
May 21, 2026
Sale
Shares
36,387
Price
$0.42
Total Value
$15.28K
Shares Held After
919,060
% of Holdings
3.8%
Version: v26.5.2