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Buy/Sell Ratio
›
May 2026
›
Semiconductors Industry
Insider Buy/Sell Details for the Semiconductors Industry — May 2026
Extreme outlier transactions (>3σ) are excluded.
Show All Data
Ratio
0.1:1
Daily Buy & Sell Volume
Log Scale
Transactions
(42)
All (559)
Buys (42)
Sells (517)
Company
Insider
Title
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Date (newest)
Total Value
% of Holdings
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TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Tien Bor-Zen
— VP
May 20, 2026
Purchase
Shares
7
Price
$400.00
Total Value
$2.80K
Shares Held After
107
% of Holdings
6.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Tien Bor-Zen
— VP
May 19, 2026
Purchase
Shares
10
Price
$391.81
Total Value
$3.92K
Shares Held After
100
% of Holdings
10.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Tien Bor-Zen
— VP
May 19, 2026
Purchase
Shares
1,000
Price
$69.83
Total Value
$69.83K
Shares Held After
11,051
% of Holdings
9.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Tien Bor-Zen
— VP
May 19, 2026
Purchase
Shares
1,000
Price
$69.98
Total Value
$69.98K
Shares Held After
10,051
% of Holdings
9.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guerrilla RF, Inc.
(GUER)
Dunn James E. Jr.
— Director
May 13, 2026
Purchase
Shares
3,335
Price
$3.00
Total Value
$10.01K
Shares Held After
5,002
% of Holdings
66.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guerrilla RF, Inc.
(GUER)
John-Williams Michael
— Chief Financial Officer
May 13, 2026
Purchase
Shares
2,000
Price
$2.82
Total Value
$5.64K
Shares Held After
9,870
% of Holdings
20.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
UNIVERSAL DISPLAY CORP \PA\
(OLED)
ELIAS RICHARD C
— Director
May 11, 2026
Purchase
Shares
1,000
Price
$92.84
Total Value
$92.84K
Shares Held After
1,456
% of Holdings
68.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Zhang Kevin Xiaoqiang
— SVP and Deputy Co-COO
May 8, 2026
Purchase
Shares
66
Price
$71.82
Total Value
$4.74K
Shares Held After
7,100
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Wu Shien-Yang
— SVP
May 8, 2026
Purchase
Shares
60
Price
$71.82
Total Value
$4.31K
Shares Held After
6,637
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Yoo Chue-San
— VP
May 8, 2026
Purchase
Shares
55
Price
$71.82
Total Value
$3.95K
Shares Held After
6,486
% of Holdings
0.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Tien Bor-Zen
— VP
May 8, 2026
Purchase
Shares
7
Price
$71.82
Total Value
$502.74
Shares Held After
60
% of Holdings
11.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Yeap Choh Fei
— SVP
May 8, 2026
Purchase
Shares
59
Price
$71.82
Total Value
$4.24K
Shares Held After
6,328
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Yuan Lipen
— VP
May 8, 2026
Purchase
Shares
44
Price
$71.82
Total Value
$3.16K
Shares Held After
1,136
% of Holdings
3.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Tien Bor-Zen
— VP
May 8, 2026
Purchase
Shares
44
Price
$71.82
Total Value
$3.16K
Shares Held After
145
% of Holdings
30.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Wang Ying-Lang
— SVP
May 8, 2026
Purchase
Shares
57
Price
$71.82
Total Value
$4.09K
Shares Held After
6,281
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Wei Che-Chia
— Director
May 8, 2026
Purchase
Shares
160
Price
$71.82
Total Value
$11.49K
Shares Held After
17,539
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Mii Yuh-Jier
— EVP and Co-COO
May 8, 2026
Purchase
Shares
75
Price
$71.82
Total Value
$5.39K
Shares Held After
7,887
% of Holdings
1.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Lee Chun-Hsien
— VP
May 8, 2026
Purchase
Shares
53
Price
$71.82
Total Value
$3.81K
Shares Held After
5,834
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Hsu Kuo-Chin
— VP
May 8, 2026
Purchase
Shares
56
Price
$71.82
Total Value
$4.02K
Shares Held After
6,515
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Jang Syun-Ming
— VP
May 8, 2026
Purchase
Shares
52
Price
$71.82
Total Value
$3.73K
Shares Held After
5,747
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Lin Chris Horng-Dar
— VP and CIO
May 8, 2026
Purchase
Shares
49
Price
$71.82
Total Value
$3.52K
Shares Held After
5,788
% of Holdings
0.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Huang Jen-Chau
— SVP and CFO
May 8, 2026
Purchase
Shares
30
Price
$71.82
Total Value
$2.15K
Shares Held After
3,466
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Lu Lee-Chung
— VP
May 8, 2026
Purchase
Shares
54
Price
$71.82
Total Value
$3.88K
Shares Held After
6,281
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Lin Shyue-Shyh
— VP
May 8, 2026
Purchase
Shares
48
Price
$71.82
Total Value
$3.45K
Shares Held After
159
% of Holdings
30.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Hwang Yuan-Ko
— VP
May 8, 2026
Purchase
Shares
42
Price
$71.82
Total Value
$3.02K
Shares Held After
139
% of Holdings
30.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Liaw Yung-Haw
— VP
May 8, 2026
Purchase
Shares
53
Price
$71.82
Total Value
$3.81K
Shares Held After
6,145
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Fang Shu-Hua
— SVP and GC
May 8, 2026
Purchase
Shares
59
Price
$71.82
Total Value
$4.24K
Shares Held After
6,486
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Chen Chih-Ho
— Controller
May 8, 2026
Purchase
Shares
34
Price
$71.82
Total Value
$2.44K
Shares Held After
74
% of Holdings
45.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
He Jun
— VP
May 8, 2026
Purchase
Shares
49
Price
$71.82
Total Value
$3.52K
Shares Held After
5,224
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Chuang Juiping
— VP
May 8, 2026
Purchase
Shares
51
Price
$71.82
Total Value
$3.66K
Shares Held After
4,096
% of Holdings
1.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Cao Min
— VP
May 8, 2026
Purchase
Shares
59
Price
$71.82
Total Value
$4.24K
Shares Held After
6,554
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Hou Yung-Chin
— SVP and Deputy Co-COO
May 8, 2026
Purchase
Shares
66
Price
$71.82
Total Value
$4.74K
Shares Held After
7,274
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Chin Yung-Pei
— EVP and Co-COO
May 8, 2026
Purchase
Shares
75
Price
$71.82
Total Value
$5.39K
Shares Held After
8,223
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Chuang Tzu-Sou
— VP
May 8, 2026
Purchase
Shares
48
Price
$71.82
Total Value
$3.45K
Shares Held After
5,668
% of Holdings
0.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Chang Tzonz-Sheng
— SVP
May 8, 2026
Purchase
Shares
56
Price
$71.82
Total Value
$4.02K
Shares Held After
5,269
% of Holdings
1.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
(TSM)
Chen Pei-Hung
— VP
May 8, 2026
Purchase
Shares
49
Price
$71.82
Total Value
$3.52K
Shares Held After
1,213
% of Holdings
4.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
UNIVERSAL DISPLAY CORP \PA\
(OLED)
Premutico Mauro
— SVP & CLO
May 7, 2026
Purchase
Shares
800
Price
$94.40
Total Value
$75.52K
Shares Held After
52,481
% of Holdings
1.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
UNIVERSAL DISPLAY CORP \PA\
(OLED)
Premutico Mauro
— SVP & CLO
May 7, 2026
Purchase
Shares
1,444
Price
$93.75
Total Value
$135.38K
Shares Held After
51,681
% of Holdings
2.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
UNIVERSAL DISPLAY CORP \PA\
(OLED)
Premutico Mauro
— SVP & CLO
May 7, 2026
Purchase
Shares
1,450
Price
$92.51
Total Value
$134.14K
Shares Held After
50,237
% of Holdings
2.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
UNIVERSAL DISPLAY CORP \PA\
(OLED)
ABRAMSON STEVEN V
— Director
May 7, 2026
Purchase
Shares
2,800
Price
$94.40
Total Value
$264.32K
Shares Held After
296,589
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
UNIVERSAL DISPLAY CORP \PA\
(OLED)
ABRAMSON STEVEN V
— Director
May 7, 2026
Purchase
Shares
4,550
Price
$93.62
Total Value
$425.97K
Shares Held After
293,789
% of Holdings
1.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
UNIVERSAL DISPLAY CORP \PA\
(OLED)
ABRAMSON STEVEN V
— Director
May 7, 2026
Purchase
Shares
3,650
Price
$92.46
Total Value
$337.48K
Shares Held After
289,239
% of Holdings
1.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Showing 1–42 of 42 transactions (page 1 of 1)
Version: v26.5.2