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Who

Brett R. Whitmire

CFO

Company insider

Files Form 4 as: CFO, Diodes.

Every Form 4 they filed

In numbers

Trades disclosed
62
Buys
0
Sells
18
Bought
$0
Sold
$6.3M
Companies
1
Companies where not an officer
0
First trade
1 Jul 2019
Last trade
13 May 2026
Last filed
13 May 2026

Companies traded

Where they are an officer
DIOD DiodesOfficer · Semiconductors · last 13 May 20260 buys · 18 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
13 May 2026filed 13 May 2026DIOD DiodesSemiconductorsSEC FORM 4 Sold$1.7M16,556 at $103.34filing
13 May 2026filed 13 May 2026DIOD DiodesSemiconductorsSEC FORM 4 Sold$1.7M16,556 at $103.34filing
13 Feb 2026filed 17 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Sold$424K5,953 at $71.22filing
13 Feb 2026filed 17 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Sold$424K5,953 at $71.22filing
3 Feb 2026filed 4 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Sold$51K830 at $60.85filing
3 Feb 2026filed 4 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Sold$51K830 at $60.85filing
2 Feb 2026filed 4 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Code F$170K2,806 at $60.66filing
2 Feb 2026filed 4 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Code F$170K2,806 at $60.66filing
1 Feb 2026filed 4 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Code A—22,000 at $0.00filing
1 Feb 2026filed 4 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Code A—22,000 at $0.00filing
1 Feb 2026filed 4 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Code A—22,000 at $0.00filing
1 Feb 2026filed 4 Feb 2026DIOD DiodesSemiconductorsSEC FORM 4 Code A—22,000 at $0.00filing
27 Aug 2025filed 28 Aug 2025DIOD DiodesSemiconductorsSEC FORM 4 Sold$112K2,000 at $55.90filing
24 Feb 2025filed 26 Feb 2025DIOD DiodesSemiconductorsSEC FORM 4 Code F$41K748 at $54.26filing
4 Feb 2025filed 5 Feb 2025DIOD DiodesSemiconductorsSEC FORM 4 Sold$47K830 at $56.04filing
3 Feb 2025filed 5 Feb 2025DIOD DiodesSemiconductorsSEC FORM 4 Code A—8,000 at $0.00filing
3 Feb 2025filed 5 Feb 2025DIOD DiodesSemiconductorsSEC FORM 4 Code F$113K2,010 at $56.45filing
3 Feb 2025filed 5 Feb 2025DIOD DiodesSemiconductorsSEC FORM 4 Code A—8,000 at $0.00filing
29 Aug 2024filed 3 Sep 2024DIOD DiodesSemiconductorsSEC FORM 4 Sold$133K1,900 at $69.99filing
28 Feb 2024filed 29 Feb 2024DIOD DiodesSemiconductorsSEC FORM 4 Sold$229K3,400 at $67.30filing

News

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

Sectors

Technology18

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

Related people

Evan YuDirector · Director at Diodes Inc /del/, filing Form 4 there in the last year
Richard Dallas WhiteCorporate Secretary · Corporate Secretary at Diodes Inc /del/, filing Form 4 there in the last year
Francis TangChief Technology Officer · Chief Technology Officer at Diodes Inc /del/, filing Form 4 there in the last year
Keh Shew LuOther role · Other at Diodes Inc /del/, filing Form 4 there in the last year
Jin ZhaoPresident, Diodes Asia · President, Diodes Asia at Diodes Inc /del/, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded DIOD in the last 90 days