Insider Buy/Sell Details for the Semiconductors Industry — May 2026
Ratio0.1:1
Daily Buy & Sell Volume
Transactions (744)
NLIGHT, INC. (LASR)
Keeney Scott H — Director
Shares
46,735
Price
$68.48
Total Value
$3.20M
Shares Held After
2,375,519
% of Holdings
1.9%
NLIGHT, INC. (LASR)
Corso Joseph John — Chief Financial Officer
Shares
20,243
Price
$68.48
Total Value
$1.39M
Shares Held After
213,048
% of Holdings
8.7%
NLIGHT, INC. (LASR)
Nias James — Chief Accounting Officer
Shares
1,618
Price
$68.48
Total Value
$110.80K
Shares Held After
98,976
% of Holdings
1.6%
Astera Labs, Inc. (ALAB)
Gajendra Sanjay — Director
Shares
40,000
Price
$248.50
Total Value
$9.94M
Shares Held After
615,000
% of Holdings
6.1%
Astera Labs, Inc. (ALAB)
Gajendra Sanjay — Director
Shares
40,000
Price
$248.62
Total Value
$9.94M
Shares Held After
615,000
% of Holdings
6.1%
Astera Labs, Inc. (ALAB)
Gajendra Sanjay — Director
Shares
2,612
Price
$251.54
Total Value
$657.03K
Shares Held After
5,464,213
% of Holdings
0.0%
Astera Labs, Inc. (ALAB)
Gajendra Sanjay — Director
Shares
17,847
Price
$250.75
Total Value
$4.48M
Shares Held After
5,466,825
% of Holdings
0.3%
Astera Labs, Inc. (ALAB)
Gajendra Sanjay — Director
Shares
76,702
Price
$249.79
Total Value
$19.16M
Shares Held After
5,484,672
% of Holdings
1.4%
Astera Labs, Inc. (ALAB)
Gajendra Sanjay — Director
Shares
102,839
Price
$248.91
Total Value
$25.60M
Shares Held After
5,561,374
% of Holdings
1.8%
Aeluma, Inc. (ALMU)
Denbaars Steven — Director
Shares
5,085
Price
$20.61
Total Value
$104.81K
Shares Held After
382,709
% of Holdings
1.3%
Aeluma, Inc. (ALMU)
Denbaars Steven — Director
Shares
7,415
Price
$19.56
Total Value
$145.03K
Shares Held After
387,794
% of Holdings
1.9%
FORMFACTOR INC (FORM)
St Dennis Thomas — Director
Shares
1,000
Price
$115.84
Total Value
$115.84K
Shares Held After
31,873
% of Holdings
3.0%
ARM HOLDINGS PLC /UK (ARM)
Abbey William — Chief Commercial Officer
Shares
10,887
Price
$224.14
Total Value
$2.44M
Shares Held After
43,353
% of Holdings
20.1%
ARM HOLDINGS PLC /UK (ARM)
Collins Spencer — Chief Legal Officer
Shares
40,941
Price
$215.00
Total Value
$8.80M
Shares Held After
0
% of Holdings
100.0%
ACM Research, Inc. (ACMR)
Dun Haiping — Director
Shares
1,858
Price
$67.54
Total Value
$125.49K
Shares Held After
0
% of Holdings
100.0%
ACM Research, Inc. (ACMR)
Dun Haiping — Director
Shares
1,309
Price
$67.21
Total Value
$87.98K
Shares Held After
1,858
% of Holdings
41.3%
ACM Research, Inc. (ACMR)
Dun Haiping — Director
Shares
500
Price
$65.09
Total Value
$32.55K
Shares Held After
3,167
% of Holdings
13.6%
ACM Research, Inc. (ACMR)
Dun Haiping — Director
Shares
1,333
Price
$63.84
Total Value
$85.10K
Shares Held After
3,667
% of Holdings
26.7%
Shares
10
Price
$391.81
Total Value
$3.92K
Shares Held After
100
% of Holdings
10.0%
Astera Labs, Inc. (ALAB)
Mohan Jitendra — Director
Shares
800
Price
$250.00
Total Value
$200.00K
Shares Held After
3,789,232
% of Holdings
0.0%
Astera Labs, Inc. (ALAB)
Mohan Jitendra — Director
Shares
27,937
Price
$249.61
Total Value
$6.97M
Shares Held After
3,790,032
% of Holdings
0.7%
AXCELIS TECHNOLOGIES INC (ACLS)
Quirk Jeanne — Director
Shares
1,789
Price
$140.22
Total Value
$250.85K
Shares Held After
11,400
% of Holdings
13.6%
AXCELIS TECHNOLOGIES INC (ACLS)
KURTZWEIL JOHN T — Director
Shares
3,500
Price
$138.79
Total Value
$485.77K
Shares Held After
32,990
% of Holdings
9.6%
AXCELIS TECHNOLOGIES INC (ACLS)
GRAVES GREGORY B — Director
Shares
600
Price
$142.51
Total Value
$85.51K
Shares Held After
5,473
% of Holdings
9.9%
AXCELIS TECHNOLOGIES INC (ACLS)
GRAVES GREGORY B — Director
Shares
2,625
Price
$141.41
Total Value
$371.19K
Shares Held After
6,073
% of Holdings
30.2%
AMKOR TECHNOLOGY, INC. (AMKR)
Faust Megan — CFO
Shares
1,000
Price
$64.60
Total Value
$64.60K
Shares Held After
133,138
% of Holdings
0.7%
Qorvo, Inc. (QRVO)
Harrison Gina — VP and Corporate Controller
Shares
956
Price
$95.00
Total Value
$90.82K
Shares Held After
29,143
% of Holdings
3.2%
SYNAPTICS Inc (SYNA)
Bodensteiner Lisa — The reporting person is Senior Vice President, Chief Legal Officer and Corporate Secretary.
Shares
612
Price
$114.83
Total Value
$70.28K
Shares Held After
63,106
% of Holdings
1.0%
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
$114.83
Total Value
$79.46K
Shares Held After
84,126
% of Holdings
0.8%
TRIO-TECH INTERNATIONAL (TRT)
ADELMAN JASON T — Director
Shares
5,617
Price
$13.97
Total Value
$78.47K
Shares Held After
40,000
% of Holdings
12.3%
TRIO-TECH INTERNATIONAL (TRT)
ADELMAN JASON T — Director
Shares
9,358
Price
$14.01
Total Value
$131.11K
Shares Held After
45,617
% of Holdings
17.0%
APPLIED OPTOELECTRONICS, INC. (AAOI)
Yeh Shu-Hua (Joshua) — *** Senior Vice President and Asia General Manager.
Shares
39,154
Price
$173.26
Total Value
$6.78M
Shares Held After
462,430
% of Holdings
7.8%
APPLIED OPTOELECTRONICS, INC. (AAOI)
Lin Chih-Hsiang (Thompson) — Director
Shares
58,000
Price
$173.26
Total Value
$10.05M
Shares Held After
2,255,693
% of Holdings
2.5%
APPLIED OPTOELECTRONICS, INC. (AAOI)
Kuo David C — ***Senior Vice President and Chief Legal Officer
Shares
19,227
Price
$173.26
Total Value
$3.33M
Shares Held After
197,370
% of Holdings
8.9%
APPLIED OPTOELECTRONICS, INC. (AAOI)
Murry Stefan J. — Chief Financial Officer
Shares
33,000
Price
$173.26
Total Value
$5.72M
Shares Held After
451,906
% of Holdings
6.8%
APPLIED OPTOELECTRONICS, INC. (AAOI)
Chang Hung-Lun (Fred) — *** Senior Vice President and North America General Manager
Shares
33,630
Price
$173.26
Total Value
$5.83M
Shares Held After
391,750
% of Holdings
7.9%
ICHOR HOLDINGS, LTD. (ICHR)
Titinger Jorge — Director
Shares
4,000
Price
$64.21
Total Value
$256.84K
Shares Held After
12,318
% of Holdings
24.5%
Shares
1,000
Price
$69.83
Total Value
$69.83K
Shares Held After
11,051
% of Holdings
9.0%
Shares
1,000
Price
$69.98
Total Value
$69.98K
Shares Held After
10,051
% of Holdings
9.9%
Shares
200,000
Price
$69.83
Total Value
$13.97M
Shares Held After
2,495,165
% of Holdings
7.4%
TRIO-TECH INTERNATIONAL (TRT)
HOROWITZ RICHARD M — Director
Shares
67,500
Price
$18.10
Total Value
$1.22M
Shares Held After
664,784
% of Holdings
9.2%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
130
Price
$1,521.43
Total Value
$197.79K
Shares Held After
848,263
% of Holdings
0.0%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
352
Price
$1,518.15
Total Value
$534.39K
Shares Held After
848,393
% of Holdings
0.0%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
551
Price
$1,513.11
Total Value
$833.72K
Shares Held After
848,745
% of Holdings
0.1%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
3,769
Price
$1,507.70
Total Value
$5.68M
Shares Held After
849,296
% of Holdings
0.4%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
2,929
Price
$1,503.05
Total Value
$4.40M
Shares Held After
853,065
% of Holdings
0.3%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
608
Price
$1,499.46
Total Value
$911.67K
Shares Held After
855,994
% of Holdings
0.1%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
862
Price
$1,491.48
Total Value
$1.29M
Shares Held After
856,602
% of Holdings
0.1%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
6,688
Price
$1,486.76
Total Value
$9.94M
Shares Held After
857,464
% of Holdings
0.8%
MONOLITHIC POWER SYSTEMS INC (MPWR)
Hsing Michael — Director
Shares
5,737
Price
$1,482.51
Total Value
$8.51M
Shares Held After
864,152
% of Holdings
0.7%
Showing 151–200 of 744 transactions (page 4 of 15)