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Who

Mui Sung Yeo

Director

Company insider

Files Form 4 as: Director, Kulicke and Soffa Industries.

In numbers

Trades disclosed
65
Buys
0
Sells
2
Bought
$0
Sold
$6.8M
Companies
1
Companies where not an officer
1
First trade
1 Oct 2012
Last trade
5 Oct 2026
Last filed
7 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
KLIC Kulicke and Soffa IndustriesDirector · Semiconductor Equipment · last 5 Oct 20260 buys · 2 sells

Activity over time

1 Feb – 1 Oct
10Feb 26Apr 26Jun 26Aug 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
5 Oct 2026filed 7 Oct 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—493 at $0.00filing
6 Jul 2026filed 8 Jul 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—407 at $0.00filing
6 Jul 2026filed 8 Jul 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—407 at $0.00filing
20 May 2026filed 21 May 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Sold$2.0M20,000 at $100.00filing
20 May 2026filed 21 May 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Sold$2.0M20,000 at $100.00filing
6 Apr 2026filed 9 Apr 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—675 at $0.00filing
6 Apr 2026filed 9 Apr 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—675 at $0.00filing
13 Feb 2026filed 17 Feb 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Sold$1.4M19,143 at $71.98filing
13 Feb 2026filed 17 Feb 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Sold$1.4M19,143 at $71.98filing
5 Jan 2026filed 7 Jan 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—876 at $0.00filing
5 Jan 2026filed 7 Jan 2026KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—876 at $0.00filing
6 Oct 2025filed 7 Oct 2025KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—1,081 at $0.00filing
1 Jul 2025filed 3 Jul 2025KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—1,260 at $0.00filing
1 Apr 2025filed 3 Apr 2025KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—1,343 at $0.00filing
2 Jan 2025filed 6 Jan 2025KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—956 at $0.00filing
1 Oct 2024filed 3 Oct 2024KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—1,025 at $0.00filing
1 Jul 2024filed 3 Jul 2024KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—933 at $0.00filing
1 Apr 2024filed 3 Apr 2024KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—891 at $0.00filing
2 Jan 2024filed 4 Jan 2024KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—853 at $0.00filing
2 Oct 2023filed 4 Oct 2023KLIC Kulicke and Soffa IndustriesSemiconductor EquipmentSEC FORM 4 Code A—931 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Technology2

Buys in green, sells in red, by the company’s sector.

Related people

Robert Nestor ChylakSenior Vice President · Senior Vice President at Kulicke & Soffa Industries, filing Form 4 there in the last year
Zi Yao LimGeneral Counsel · General Counsel at Kulicke & Soffa Industries, filing Form 4 there in the last year
Lester A. WongCFO · CFO at Kulicke & Soffa Industries, filing Form 4 there in the last year
Nelson Munpun WongSenior Vice President · Senior Vice President at Kulicke & Soffa Industries, filing Form 4 there in the last year
Rajendra K. TalluriCEO · CEO at Kulicke & Soffa Industries, filing Form 4 there in the last year