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
Buys259
Sells1670
Buy $$212.06M
Sell $$6.30B
Ratio1:29.70
% Change vs. Prior
Ratio -66.5%Value +482.6%
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
Buys119
Sells1087
Buy $$171.80M
Sell $$530.27M
Ratio1:3.09
% Change vs. Prior
Ratio +317.8%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
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 (11685)
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
642
Price
$569.69
Total Value
$365.74K
Shares Held After
47,213
% of Holdings
1.3%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
958
Price
$568.63
Total Value
$544.75K
Shares Held After
47,855
% of Holdings
2.0%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
520
Price
$567.42
Total Value
$295.06K
Shares Held After
48,813
% of Holdings
1.1%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
320
Price
$566.36
Total Value
$181.23K
Shares Held After
49,333
% of Holdings
0.6%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
240
Price
$564.02
Total Value
$135.37K
Shares Held After
49,653
% of Holdings
0.5%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
40
Price
$562.16
Total Value
$22.49K
Shares Held After
49,893
% of Holdings
0.1%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
35
Price
$560.74
Total Value
$19.63K
Shares Held After
49,933
% of Holdings
0.1%
UNITED THERAPEUTICS Corp (UTHR)
ROTHBLATT MARTINE A — Director
Shares
45
Price
$560.52
Total Value
$25.22K
Shares Held After
49,968
% of Holdings
0.1%
LivaNova PLC (LIVN)
Bianchi Francesco — Director
Shares
1,800
Price
$75.75
Total Value
$136.35K
Shares Held After
7,228
% of Holdings
19.9%
VEECO INSTRUMENTS INC (VECO)
Wilkerson Susan — SVP, GLOBAL SALES & SERVICE
Shares
35,723
Price
$61.69
Total Value
$2.20M
Shares Held After
42,974
% of Holdings
45.4%
Mayville Engineering Company, Inc. (MEC)
Raber Ryan F — EVP - Strategy, Sales & Mktg
Shares
20,000
Price
$26.00
Total Value
$520.00K
Shares Held After
86,970
% of Holdings
18.7%
Booking Holdings Inc. (BKNG)
MILLONES PETER J — EXECUTIVE VP, GENERAL COUNSEL
Shares
5,250
Price
$165.56
Total Value
$869.21K
Shares Held After
425,075
% of Holdings
1.2%
Booking Holdings Inc. (BKNG)
MILLONES PETER J — EXECUTIVE VP, GENERAL COUNSEL
Shares
7,470
Price
$164.64
Total Value
$1.23M
Shares Held After
430,325
% of Holdings
1.7%
Booking Holdings Inc. (BKNG)
MILLONES PETER J — EXECUTIVE VP, GENERAL COUNSEL
Shares
29,399
Price
$163.58
Total Value
$4.81M
Shares Held After
437,795
% of Holdings
6.3%
Booking Holdings Inc. (BKNG)
MILLONES PETER J — EXECUTIVE VP, GENERAL COUNSEL
Shares
20,381
Price
$162.96
Total Value
$3.32M
Shares Held After
467,194
% of Holdings
4.2%
QUAINT OAK BANCORP, INC. (QNTO)
CLARKE JAMES J — Director
Shares
200
Price
$17.35
Total Value
$3.47K
Shares Held After
70,990
% of Holdings
0.3%
ANALOG DEVICES INC (ADI)
ROCHE VINCENT — Director
Shares
9,962
Price
$415.74
Total Value
$4.14M
Shares Held After
137,538
% of Holdings
6.8%
ANALOG DEVICES INC (ADI)
ROCHE VINCENT — Director
Shares
20,038
Price
$414.83
Total Value
$8.31M
Shares Held After
147,500
% of Holdings
12.0%
OLAPLEX HOLDINGS, INC. (OLPX)
FOX TRISHA L — Chief People Officer
Shares
16,324
Price
$2.04
Total Value
$33.30K
Shares Held After
1,064,039
% of Holdings
1.5%
ASSURANT, INC. (AIZ)
DiRienzo Dimitry — SVP, CAO, Controller
Shares
2,000
Price
$255.68
Total Value
$511.36K
Shares Held After
2,741
% of Holdings
42.2%
CASELLA WASTE SYSTEMS INC (CWST)
BURKE MICHAEL K — Director
Shares
2,305
Price
$87.56
Total Value
$201.83K
Shares Held After
14,048
% of Holdings
14.1%
SmartRent, Inc. (SMRT)
Ponathil Sangeeth — Chief Information Officer
Shares
10,000
Price
$1.25
Total Value
$12.50K
Shares Held After
10,000
% of Holdings
100.0%
Tradeweb Markets Inc. (TW)
BERNS STEVEN — Director
Shares
425
Price
$105.26
Total Value
$44.74K
Shares Held After
4,884
% of Holdings
8.0%
Hyperfine, Inc. (HYPR)
TEISSEYRE THOMAS — Chief Operating Officer
Shares
6,047
Price
$1.65
Total Value
$9.98K
Shares Held After
678,601
% of Holdings
0.9%
HOST HOTELS & RESORTS, INC. (HST)
RAKOWICH WALTER C — Director
Shares
3,408
Price
$22.90
Total Value
$78.04K
Shares Held After
76,537
% of Holdings
4.3%
PubMatic, Inc. (PUBM)
Goel Rajeev K. — Director
Shares
44,000
Price
$10.41
Total Value
$458.21K
Shares Held After
21,206
% of Holdings
67.5%
Hyperfine, Inc. (HYPR)
HALE BRETT — CFO and CAO
Shares
6,047
Price
$1.65
Total Value
$9.98K
Shares Held After
599,765
% of Holdings
1.0%
Exzeo Group, Inc. (XZO)
Patel Paresh — Director
Shares
2,000
Price
$13.26
Total Value
$26.52K
Shares Held After
1,670,013
% of Holdings
0.1%
Roblox Corp (RBLX)
Rawlings Amy Marie — Chief Accounting Officer
Shares
274
Price
$48.00
Total Value
$13.15K
Shares Held After
34,964
% of Holdings
0.8%
NewAmsterdam Pharma Co N.V. (NAMS)
Kooij Louise Frederika — Chief Accounting Officer
Shares
65,000
Price
$35.69
Total Value
$2.32M
Shares Held After
24,353
% of Holdings
72.7%
Spotify Technology S.A. (SPOT)
STAGGS THOMAS O — Director
Shares
5,477
Price
$526.00
Total Value
$2.88M
Shares Held After
3,619
% of Holdings
60.2%
Maze Therapeutics, Inc. (MAZE)
Coloma Jason V — Director
Shares
25,582
Price
$26.02
Total Value
$665.52K
Shares Held After
350,987
% of Holdings
6.8%
HOST HOTELS & RESORTS, INC. (HST)
TYRRELL NATHAN S — EVP, Ch. Investment Officer
Shares
15,569
Price
$23.00
Total Value
$358.09K
Shares Held After
682,089
% of Holdings
2.2%
ARBOR REALTY TRUST INC (ABR)
Tsunis George — Director
Shares
500
Price
$5.50
Total Value
$2.75K
Shares Held After
1,500
% of Holdings
33.3%
ARBOR REALTY TRUST INC (ABR)
Tsunis George — Director
Shares
500
Price
$5.51
Total Value
$2.75K
Shares Held After
1,500
% of Holdings
33.3%
TFS Financial CORP (TFSL)
Rubino Andrew J — Chief Operating Officer
Shares
594
Price
$16.09
Total Value
$9.56K
Shares Held After
21,310
% of Holdings
2.7%
APTARGROUP, INC. (ATR)
Gong Xiangwei — President, Asia
Shares
4,200
Price
$116.13
Total Value
$487.76K
Shares Held After
10,774
% of Holdings
28.0%
VICOR CORP (VICR)
D'Amico Andrew — Director
Shares
51
Price
$324.36
Total Value
$16.54K
Shares Held After
0
% of Holdings
100.0%
VICOR CORP (VICR)
D'Amico Andrew — Director
Shares
303
Price
$323.11
Total Value
$97.90K
Shares Held After
51
% of Holdings
85.6%
VICOR CORP (VICR)
D'Amico Andrew — Director
Shares
75
Price
$321.51
Total Value
$24.11K
Shares Held After
354
% of Holdings
17.5%
VICOR CORP (VICR)
D'Amico Andrew — Director
Shares
75
Price
$320.08
Total Value
$24.01K
Shares Held After
429
% of Holdings
14.9%
Outlook Therapeutics, Inc. (OTLK)
Haddadin Yezan Munther — Director
Shares
34,000
Price
$0.44
Total Value
$14.96K
Shares Held After
37,167
% of Holdings
91.5%
Outlook Therapeutics, Inc. (OTLK)
THURMAN RANDY H — Director
Shares
5,000
Price
$0.43
Total Value
$2.15K
Shares Held After
5,593
% of Holdings
89.4%
FIRST KEYSTONE CORP (FKYS)
Karas Michelle M. — SVP & COO
Shares
635
Price
$19.00
Total Value
$12.06K
Shares Held After
845
% of Holdings
75.2%
Outlook Therapeutics, Inc. (OTLK)
HILZINGER KURT J — Director
Shares
400,000
Price
$0.44
Total Value
$176.52K
Shares Held After
423,655
% of Holdings
94.4%
SUN COMMUNITIES INC (SUI)
Castro-Caratini Fernando — EVP, CFO, Sec. & Treas.
Shares
2,489
Price
$124.97
Total Value
$311.05K
Shares Held After
9,998
% of Holdings
19.9%
SUN COMMUNITIES INC (SUI)
Castro-Caratini Fernando — EVP, CFO, Sec. & Treas.
Shares
21,261
Price
$124.37
Total Value
$2.64M
Shares Held After
12,487
% of Holdings
63.0%
LANDMARK BANCORP INC (LARK)
Hurt Angela S. — Director
Shares
235
Price
$27.91
Total Value
$6.56K
Shares Held After
5,994
% of Holdings
3.9%
SYNAPTICS Inc (SYNA)
Gupta Vikram — The reporting person is Senior Vice President & General Manager, Edge Compute & Connectivity Division, and Chief Product Officer.
Shares
692
Price
$147.50
Total Value
$102.07K
Shares Held After
83,434
% of Holdings
0.8%
FIVE STAR BANCORP (FSBC)
Wait Brett Levi — SVP, Chief Information Officer
Shares
1,640
Price
$42.27
Total Value
$69.32K
Shares Held After
16,873
% of Holdings
8.9%
Showing 2051–2100 of 11685 transactions (page 42 of 234)