Insider Buy/Sell Details for the Semiconductors Industry — May 2026
Ratio0.1:1
Daily Buy & Sell Volume
Transactions (673)
GLOBALFOUNDRIES Inc. (GFS)
Hogan Michael James — Chief Strategy Officer
Shares
2,800
Price
$82.88
Total Value
$232.06K
Shares Held After
9,645
% of Holdings
22.5%
AXCELIS TECHNOLOGIES INC (ACLS)
Sutton Todd — VP Corporate Controller
Shares
2,000
Price
$159.99
Total Value
$319.98K
Shares Held After
6,360
% of Holdings
23.9%
ENTEGRIS INC (ENTG)
Haris Clinton M. — SVP & President, APS Division
Shares
6,848
Price
$149.23
Total Value
$1.02M
Shares Held After
54,961
% of Holdings
11.1%
Ultra Clean Holdings, Inc. (UCTT)
LIGGETT EMILY M — Director
Shares
8,198
Price
$92.18
Total Value
$755.69K
Shares Held After
38,152
% of Holdings
17.7%
DIODES INC /DEL/ (DIOD)
Tang Francis — Chief Technology Officer
Shares
5,000
Price
$110.08
Total Value
$550.40K
Shares Held After
86,768
% of Holdings
5.4%
DIODES INC /DEL/ (DIOD)
Yu Gary — Director
Shares
3,632
Price
$110.08
Total Value
$399.81K
Shares Held After
108,147
% of Holdings
3.2%
DIODES INC /DEL/ (DIOD)
Yang Emily — SVP Worldwide Sales/Marketing
Shares
3,000
Price
$110.08
Total Value
$330.24K
Shares Held After
61,878
% of Holdings
4.6%
AMBARELLA INC (AMBA)
Young John Alexander — CFO
Shares
400
Price
$96.00
Total Value
$38.40K
Shares Held After
117,623
% of Holdings
0.3%
AMBARELLA INC (AMBA)
Wang Feng-Ming — 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 — 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 — Director
Shares
17,285
Price
$90.38
Total Value
$1.56M
Shares Held After
821,276
% of Holdings
2.1%
POWER INTEGRATIONS INC (POWI)
Gupta Sunil — Sr. Vice President, Operations
Shares
15,894
Price
$82.18
Total Value
$1.31M
Shares Held After
71,239
% of Holdings
18.2%
MONOLITHIC POWER SYSTEMS INC (MPWR)
DEAN ROBERT W II — Interim CFO
Shares
22
Price
$1,649.56
Total Value
$36.29K
Shares Held After
5,878
% of Holdings
0.4%
POWER INTEGRATIONS INC (POWI)
BALAKRISHNAN BALU — Director
Shares
70,710
Price
$82.26
Total Value
$5.82M
Shares Held After
403,803
% of Holdings
14.9%
POWER INTEGRATIONS INC (POWI)
BALAKRISHNAN BALU — Director
Shares
47,863
Price
$80.93
Total Value
$3.87M
Shares Held After
474,513
% of Holdings
9.2%
POWER INTEGRATIONS INC (POWI)
BRATHWAITE NICHOLAS — Director
Shares
6,655
Price
$82.71
Total Value
$550.46K
Shares Held After
23,954
% of Holdings
21.7%
APPLIED MATERIALS INC /DE (AMAT)
BRUNER JUDY — Director
Shares
1,128
Price
$450.00
Total Value
$507.60K
Shares Held After
26,544
% of Holdings
4.1%
MAXLINEAR, INC (MXL)
PARDUN THOMAS E — Director
Shares
11,000
Price
$105.00
Total Value
$1.16M
Shares Held After
55,252
% of Holdings
16.6%
APPLIED OPTOELECTRONICS, INC. (AAOI)
DeLaney Cynthia — Director
Shares
56,575
Price
$189.23
Total Value
$10.71M
Shares Held After
59,647
% of Holdings
48.7%
Arteris, Inc. (AIP)
Hawkins Nicholas B. — VP and Chief Financial Officer
Shares
3,000
Price
$37.75
Total Value
$113.25K
Shares Held After
108,549
% of Holdings
2.7%
VEECO INSTRUMENTS INC (VECO)
HUNTER GORDON — Director
Shares
17,714
Price
$61.61
Total Value
$1.09M
Shares Held After
34,962
% of Holdings
33.6%
TRIO-TECH INTERNATIONAL (TRT)
TING HOCK MING — Director
Shares
17,200
Price
$16.65
Total Value
$286.38K
Shares Held After
131,044
% of Holdings
11.6%
indie Semiconductor, Inc. (INDI)
Aoki Ichiro — Director
Shares
20,100
Price
$5.26
Total Value
$105.64K
Shares Held After
106,169
% of Holdings
15.9%
Arteris, Inc. (AIP)
Cantwell Wayne C — Director
Shares
38,500
Price
$37.23
Total Value
$1.43M
Shares Held After
189,698
% of Holdings
16.9%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Zhou Jeff — Director
Shares
486
Price
$1,680.00
Total Value
$816.48K
Shares Held After
3,800
% of Holdings
11.3%
RAMBUS INC (RMBS)
Higashi Emiko — Director
Shares
5,000
Price
$157.57
Total Value
$787.85K
Shares Held After
59,519
% of Holdings
7.7%
DIODES INC /DEL/ (DIOD)
Tang Francis — Chief Technology Officer
Shares
4,137
Price
$108.00
Total Value
$446.80K
Shares Held After
91,768
% of Holdings
4.3%
DIODES INC /DEL/ (DIOD)
Yang Emily — SVP Worldwide Sales/Marketing
Shares
2,000
Price
$107.52
Total Value
$215.04K
Shares Held After
64,878
% of Holdings
3.0%
DIODES INC /DEL/ (DIOD)
Zhao Jin — President, Diodes Asia
Shares
3,689
Price
$106.86
Total Value
$394.21K
Shares Held After
43,531
% of Holdings
7.8%
DIODES INC /DEL/ (DIOD)
Tsong Andy — SVP Worldwide Products Group
Shares
1,582
Price
$106.95
Total Value
$169.20K
Shares Held After
48,170
% of Holdings
3.2%
GSI TECHNOLOGY INC (GSIT)
Wu Ping Tak — VP, U.S. Operations
Shares
30,000
Price
$11.01
Total Value
$330.40K
Shares Held After
148,441
% of Holdings
16.8%
VEECO INSTRUMENTS INC (VECO)
Devasahayam Adrian — SVP - PRODUCT LINE DEVELOPMENT
Shares
5,407
Price
$61.84
Total Value
$334.37K
Shares Held After
95,115
% of Holdings
5.4%
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%
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%
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%
NOVA LTD. (NVMI)
Oppenhaim Eitan — Director
Shares
1,504
Price
$519.48
Total Value
$781.30K
Shares Held After
6,668
% of Holdings
18.4%
Qnity Electronics, Inc. (Q)
Sterin Steven — Director
Shares
511
Price
$161.97
Total Value
$82.76K
Shares Held After
12,595
% of Holdings
3.9%
RAMBUS INC (RMBS)
FAN XIANZHI SEAN — EVP, COO
Shares
100
Price
$152.35
Total Value
$15.23K
Shares Held After
168,358
% of Holdings
0.1%
RAMBUS INC (RMBS)
FAN XIANZHI SEAN — EVP, COO
Shares
37,814
Price
$151.69
Total Value
$5.74M
Shares Held After
168,458
% of Holdings
18.3%
indie Semiconductor, Inc. (INDI)
Aoki Ichiro — Director
Shares
50,000
Price
$5.02
Total Value
$250.81K
Shares Held After
106,169
% of Holdings
32.0%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Tseng Saria — EVP & General Counsel
Shares
5,000
Price
$1,586.43
Total Value
$7.93M
Shares Held After
151,783
% of Holdings
3.2%
ANALOG DEVICES INC (ADI)
ROCHE VINCENT — Director
Shares
665
Price
$397.50
Total Value
$264.33K
Shares Held After
137,538
% of Holdings
0.5%
ANALOG DEVICES INC (ADI)
ROCHE VINCENT — Director
Shares
29,335
Price
$396.80
Total Value
$11.64M
Shares Held After
138,203
% of Holdings
17.5%
SITIME Corp (SITM)
Assaderaghi Fariborz — Executive Vice President, Engineering & Technology
Shares
1,709
Price
$731.49
Total Value
$1.25M
Shares Held After
81,436
% of Holdings
2.1%
COHU INC (COHU)
Jones Jeffrey D — Sr. VP Finance & CFO
Shares
13,000
Price
$46.84
Total Value
$608.92K
Shares Held After
343,792
% of Holdings
3.6%
ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
Chen Claudia — Director
Shares
217
Price
$40.54
Total Value
$8.80K
Shares Held After
28,192
% of Holdings
0.8%
ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
Chen Claudia — Director
Shares
3,844
Price
$39.47
Total Value
$151.74K
Shares Held After
28,409
% of Holdings
11.9%
COHU INC (COHU)
DONAHUE JAMES A — Director
Shares
10,257
Price
$46.77
Total Value
$479.72K
Shares Held After
3,578
% of Holdings
74.1%
COHU INC (COHU)
Muller Luis A — President & CEO
Shares
45,154
Price
$46.62
Total Value
$2.11M
Shares Held After
927,619
% of Holdings
4.6%
Showing 1–50 of 673 transactions (page 1 of 14)