DIOD

Diodes INC /del/

Insider trading activity for Diodes INC /del/, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

-$7.6M

net selling

Bought(0 · 0 insiders): $0
Sold(16 · 7 insiders): $7.6M

Past 12 months

-$16.8M

net selling

Bought(0 · 0 insiders): $0
Sold(29 · 8 insiders): $16.8M

Transaction history

The 77 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 12	Yu Evan	Director	AGRANT	2,250	—	—	+18.8%	Open the original filing on SEC.gov
May 29	White Richard Dallas	Corporate Secretary	SSELL	2,000	$107.01	$214K	-19.9%	Open the original filing on SEC.gov
May 29	White Richard Dallas	Corporate Secretary	SSELL	1,000	$104.48	$104.5K	-9.0%	Open the original filing on SEC.gov
May 29	Tang Francis	Chief Technology Officer	SSELL	15,330	$112.04	$1.7M	-17.7%	Open the original filing on SEC.gov
May 27	Yu Gary	President and CEO	SSELL	3,632	$110.08	$399.8K	-3.3%	Open the original filing on SEC.gov
May 27	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	3,000	$110.08	$330.2K	-4.6%	Open the original filing on SEC.gov
May 27	Tang Francis	Chief Technology Officer	SSELL	5,000	$110.08	$550.4K	-5.5%	Open the original filing on SEC.gov
May 26	Tsong Andy	SVP Worldwide Products…	SSELL	1,582	$106.96	$169.2K	-3.2%	Open the original filing on SEC.gov
May 26	Yu Gary	President and CEO	FTAX	592	$108.24	$64.1K	-0.5%	Open the original filing on SEC.gov
May 26	Zhao Jin	President, Diodes Asia	SSELL	3,689	$106.86	$394.2K	-7.8%	Open the original filing on SEC.gov
May 26	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	2,000	$107.52	$215K	-3.0%	Open the original filing on SEC.gov
May 26	Tang Francis	Chief Technology Officer	SSELL	4,137	$108.00	$446.8K	-4.3%	Open the original filing on SEC.gov
May 26	Lu Keh Shew	Special Advisor	FTAX	1,970	$108.24	$213.2K	-2.1%	Open the original filing on SEC.gov
May 20	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	2,000	$96.81	$193.6K	-2.9%	Open the original filing on SEC.gov
May 19	Yu Gary	President and CEO	GGIFT	300	—	—	-0.3%	Open the original filing on SEC.gov
May 15	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	2,000	$101.47	$202.9K	-2.8%	Open the original filing on SEC.gov
May 13	Whitmire Brett R	CFO	SSELL	16,556	$103.34	$1.7M	-27.1%	Open the original filing on SEC.gov
May 12	Tsong Andy	SVP Worldwide Products…	SSELL	2,652	$110.00	$291.7K	-5.1%	Open the original filing on SEC.gov
May 12	Zhao Jin	President, Diodes Asia	SSELL	2,760	$102.36	$282.5K	-5.5%	Open the original filing on SEC.gov
May 12	Tang Francis	Chief Technology Officer	SSELL	3,643	$108.00	$393.4K	-3.7%	Open the original filing on SEC.gov
May 11	Su Huey-Jen Jenny	Director	AGRANT	3,000	—	—	+100.0%	Open the original filing on SEC.gov
May 11	Yu Gary	President and CEO	AGRANT	3,000	—	—	+2.7%	Open the original filing on SEC.gov
May 11	Ritter Philip J	Director	AGRANT	3,000	—	—	—	Open the original filing on SEC.gov
May 11	Chen Warren	Director	AGRANT	3,000	—	—	+29.6%	Open the original filing on SEC.gov
May 11	Chen Button Angie	Director	AGRANT	6,000	—	—	+42.7%	Open the original filing on SEC.gov
May 11	Bull Elizabeth	Director	AGRANT	3,000	—	—	+33.3%	Open the original filing on SEC.gov
Feb 24	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	2,154	$69.89	$150.6K	-2.9%	Open the original filing on SEC.gov
Feb 24	Yu Gary	President and CEO	SSELL	2,000	$70.00	$140K	-1.8%	Open the original filing on SEC.gov
Feb 20	Lu Keh Shew	Director	SSELL	64,266	$67.74	$4.4M	-26.3%	Open the original filing on SEC.gov
Feb 20	Lu Keh Shew	Director	SSELL	46,734	$67.78	$3.2M	-17.2%	Open the original filing on SEC.gov
Feb 13	Whitmire Brett R	CFO	SSELL	5,953	$71.22	$424K	-8.9%	Open the original filing on SEC.gov
Feb 13	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	1,000	$71.89	$71.9K	-1.4%	Open the original filing on SEC.gov
Feb 13	Tsong Andy	SVP Worldwide Products…	SSELL	3,277	$70.46	$230.9K	-5.9%	Open the original filing on SEC.gov
Feb 3	Yu Gary	President and CEO	SSELL	2,900	$60.85	$176.5K	-2.5%	Open the original filing on SEC.gov
Feb 3	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	950	$60.85	$57.8K	-1.3%	Open the original filing on SEC.gov
Feb 3	Whitmire Brett R	CFO	SSELL	830	$60.85	$50.5K	-1.2%	Open the original filing on SEC.gov
Feb 2	Zhao Jin	President, Diodes Asia	SSELL	525	$59.19	$31.1K	-1.0%	Open the original filing on SEC.gov
Feb 2	Zhao Jin	President, Diodes Asia	FTAX	1,846	$60.66	$112K	-3.5%	Open the original filing on SEC.gov
Feb 2	Yu Gary	President and CEO	FTAX	1,340	$60.66	$81.3K	-1.2%	Open the original filing on SEC.gov
Feb 2	Yang Emily	SVP Worldwide Sales/Mark…	FTAX	2,497	$60.66	$151.5K	-3.2%	Open the original filing on SEC.gov
Feb 2	Whitmire Brett R	CFO	FTAX	2,806	$60.66	$170.2K	-4.0%	Open the original filing on SEC.gov
Feb 2	Tang Francis	Chief Technology Officer	FTAX	2,068	$60.66	$125.4K	-2.0%	Open the original filing on SEC.gov
Feb 2	Lu Keh Shew	Director	FTAX	12,350	$60.66	$749.2K	-11.8%	Open the original filing on SEC.gov
Feb 2	Tsong Andy	SVP Worldwide Analog…	FTAX	1,541	$60.66	$93.5K	-2.7%	Open the original filing on SEC.gov
Feb 1	Zhao Jin	President, Diodes Asia	AGRANT	18,000	—	—	+77.9%	Open the original filing on SEC.gov
Feb 1	Zhao Jin	President, Diodes Asia	AGRANT	18,000	—	—	+50.1%	Open the original filing on SEC.gov
Feb 1	Yu Gary	President and CEO	AGRANT	32,000	—	—	+56.1%	Open the original filing on SEC.gov
Feb 1	Yu Gary	President and CEO	AGRANT	32,000	—	—	+38.1%	Open the original filing on SEC.gov
Feb 1	Yang Emily	SVP Worldwide Sales/Mark…	AGRANT	18,000	—	—	+77.9%	Open the original filing on SEC.gov
Feb 1	Yang Emily	SVP Worldwide Sales/Mark…	AGRANT	18,000	—	—	+30.3%	Open the original filing on SEC.gov
Feb 1	Whitmire Brett R	CFO	AGRANT	22,000	—	—	+95.2%	Open the original filing on SEC.gov
Feb 1	Whitmire Brett R	CFO	AGRANT	22,000	—	—	+45.1%	Open the original filing on SEC.gov
Feb 1	Tang Francis	Chief Technology Officer	AGRANT	13,000	—	—	+53.7%	Open the original filing on SEC.gov
Feb 1	Tang Francis	Chief Technology Officer	AGRANT	13,000	—	—	+14.7%	Open the original filing on SEC.gov
Feb 1	Tsong Andy	SVP Worldwide Analog…	AGRANT	18,000	—	—	+77.9%	Open the original filing on SEC.gov
Feb 1	Tsong Andy	SVP Worldwide Analog…	AGRANT	18,000	—	—	+45.9%	Open the original filing on SEC.gov
Nov 12, 2025	Lu Keh Shew	Director	SSELL	2,095	$47.46	$99.4K	-0.9%	Open the original filing on SEC.gov
Nov 12, 2025	Lu Keh Shew	Director	SSELL	3,905	$47.40	$185.1K	-1.4%	Open the original filing on SEC.gov
Aug 28, 2025	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	1,000	$56.36	$56.4K	-1.7%	Open the original filing on SEC.gov
Aug 27, 2025	Whitmire Brett R	CFO	SSELL	2,000	$55.90	$111.8K	-3.9%	Open the original filing on SEC.gov
Aug 19, 2025	Yang Emily	SVP Worldwide Sales/Mark…	SSELL	1,000	$53.22	$53.2K	-1.6%	Open the original filing on SEC.gov
Jul 1, 2025	Tsong Andy	SVP Worldwide Analog…	FTAX	320	$55.30	$17.7K	-0.8%	Open the original filing on SEC.gov
May 27, 2025	Yu Gary	President and CEO	FTAX	183	$46.61	$8.5K	-0.2%	Open the original filing on SEC.gov
May 27, 2025	Lu Keh Shew	Director	FTAX	2,166	$46.61	$101K	-2.0%	Open the original filing on SEC.gov
May 21, 2025	Yang Emily	SVP Worldwide Sales/Mark…	GGIFT	1,576	—	—	—	Open the original filing on SEC.gov
May 21, 2025	Yang Emily	SVP Worldwide Sales/Mark…	GGIFT	1,576	—	—	-73.0%	Open the original filing on SEC.gov
May 21, 2025	Yang Emily	SVP Worldwide Sales/Mark…	GGIFT	788	—	—	-26.7%	Open the original filing on SEC.gov
May 20, 2025	Yang Emily	SVP Worldwide Sales/Mark…	GGIFT	2,948	—	—	—	Open the original filing on SEC.gov
May 20, 2025	Yang Emily	SVP Worldwide Sales/Mark…	GGIFT	2,948	—	—	-4.6%	Open the original filing on SEC.gov
May 13, 2025	Lu Keh Shew	Director	AGRANT	3,000	—	—	+2.9%	Open the original filing on SEC.gov
May 13, 2025	Yu Gary	President and CEO	AGRANT	3,000	—	—	+3.7%	Open the original filing on SEC.gov
May 13, 2025	Yu Gary	President and CEO	AGRANT	1,915	—	—	+2.4%	Open the original filing on SEC.gov
May 13, 2025	Feiger Robert E	Director	AGRANT	3,000	—	—	+100.0%	Open the original filing on SEC.gov
May 13, 2025	Su Huey-Jen Jenny	Director	AGRANT	3,000	—	—	—	Open the original filing on SEC.gov
May 13, 2025	Chen Warren	Director	AGRANT	3,000	—	—	+42.0%	Open the original filing on SEC.gov
May 13, 2025	Chen Button Angie	Director	AGRANT	3,000	—	—	+27.2%	Open the original filing on SEC.gov
May 13, 2025	Bull Elizabeth	Director	AGRANT	3,000	—	—	+50.0%	Open the original filing on SEC.gov

AGRANT—

Yu Evan · DirectorAug 12

2,250 sh · +18.8% own

SSELL$214K

White Richard Dallas · Corporate Secretar…May 29

2,000 sh @ $107.01 · -19.9% own

SSELL$104.5K

White Richard Dallas · Corporate Secretar…May 29

1,000 sh @ $104.48 · -9.0% own

SSELL$1.7M

Tang Francis · Chief Technology…May 29

15,330 sh @ $112.04 · -17.7% own

SSELL$399.8K

Yu Gary · President and CEOMay 27

3,632 sh @ $110.08 · -3.3% own

SSELL$330.2K

Yang Emily · SVP Worldwide…May 27

3,000 sh @ $110.08 · -4.6% own

SSELL$550.4K

Tang Francis · Chief Technology…May 27

5,000 sh @ $110.08 · -5.5% own

SSELL$169.2K

Tsong Andy · SVP Worldwide…May 26

1,582 sh @ $106.96 · -3.2% own

FTAX$64.1K

Yu Gary · President and CEOMay 26

592 sh @ $108.24 · -0.5% own

SSELL$394.2K

Zhao Jin · President, Diodes…May 26

3,689 sh @ $106.86 · -7.8% own

SSELL$215K

Yang Emily · SVP Worldwide…May 26

2,000 sh @ $107.52 · -3.0% own

SSELL$446.8K

Tang Francis · Chief Technology…May 26

4,137 sh @ $108.00 · -4.3% own

FTAX$213.2K

Lu Keh Shew · Special AdvisorMay 26

1,970 sh @ $108.24 · -2.1% own

SSELL$193.6K

Yang Emily · SVP Worldwide…May 20

2,000 sh @ $96.81 · -2.9% own

GGIFT—

Yu Gary · President and CEOMay 19

300 sh · -0.3% own

SSELL$202.9K

Yang Emily · SVP Worldwide…May 15

2,000 sh @ $101.47 · -2.8% own

SSELL$1.7M

Whitmire Brett R · CFOMay 13

16,556 sh @ $103.34 · -27.1% own

SSELL$291.7K

Tsong Andy · SVP Worldwide…May 12

2,652 sh @ $110.00 · -5.1% own

SSELL$282.5K

Zhao Jin · President, Diodes…May 12

2,760 sh @ $102.36 · -5.5% own

SSELL$393.4K

Tang Francis · Chief Technology…May 12

3,643 sh @ $108.00 · -3.7% own

AGRANT—

Su Huey-Jen Jenny · DirectorMay 11

3,000 sh · +100.0% own

AGRANT—

Yu Gary · President and CEOMay 11

3,000 sh · +2.7% own

AGRANT—

Ritter Philip J · DirectorMay 11

3,000 sh

AGRANT—

Chen Warren · DirectorMay 11

3,000 sh · +29.6% own

AGRANT—

Chen Button Angie · DirectorMay 11

6,000 sh · +42.7% own

AGRANT—

Bull Elizabeth · DirectorMay 11

3,000 sh · +33.3% own

SSELL$150.6K

Yang Emily · SVP Worldwide…Feb 24

2,154 sh @ $69.89 · -2.9% own

SSELL$140K

Yu Gary · President and CEOFeb 24

2,000 sh @ $70.00 · -1.8% own

SSELL$4.4M

Lu Keh Shew · DirectorFeb 20

64,266 sh @ $67.74 · -26.3% own

SSELL$3.2M

Lu Keh Shew · DirectorFeb 20

46,734 sh @ $67.78 · -17.2% own

SSELL$424K

Whitmire Brett R · CFOFeb 13

5,953 sh @ $71.22 · -8.9% own

SSELL$71.9K

Yang Emily · SVP Worldwide…Feb 13

1,000 sh @ $71.89 · -1.4% own

SSELL$230.9K

Tsong Andy · SVP Worldwide…Feb 13

3,277 sh @ $70.46 · -5.9% own

SSELL$176.5K

Yu Gary · President and CEOFeb 3

2,900 sh @ $60.85 · -2.5% own

SSELL$57.8K

Yang Emily · SVP Worldwide…Feb 3

950 sh @ $60.85 · -1.3% own

SSELL$50.5K

Whitmire Brett R · CFOFeb 3

830 sh @ $60.85 · -1.2% own

SSELL$31.1K

Zhao Jin · President, Diodes…Feb 2

525 sh @ $59.19 · -1.0% own

FTAX$112K

Zhao Jin · President, Diodes…Feb 2

1,846 sh @ $60.66 · -3.5% own

FTAX$81.3K

Yu Gary · President and CEOFeb 2

1,340 sh @ $60.66 · -1.2% own

FTAX$151.5K

Yang Emily · SVP Worldwide…Feb 2

2,497 sh @ $60.66 · -3.2% own

FTAX$170.2K

Whitmire Brett R · CFOFeb 2

2,806 sh @ $60.66 · -4.0% own

FTAX$125.4K

Tang Francis · Chief Technology…Feb 2

2,068 sh @ $60.66 · -2.0% own

FTAX$749.2K

Lu Keh Shew · DirectorFeb 2

12,350 sh @ $60.66 · -11.8% own

FTAX$93.5K

Tsong Andy · SVP Worldwide…Feb 2

1,541 sh @ $60.66 · -2.7% own

AGRANT—

Zhao Jin · President, Diodes…Feb 1

18,000 sh · +77.9% own

AGRANT—

Zhao Jin · President, Diodes…Feb 1

18,000 sh · +50.1% own

AGRANT—

Yu Gary · President and CEOFeb 1

32,000 sh · +56.1% own

AGRANT—

Yu Gary · President and CEOFeb 1

32,000 sh · +38.1% own

AGRANT—

Yang Emily · SVP Worldwide…Feb 1

18,000 sh · +77.9% own

AGRANT—

Yang Emily · SVP Worldwide…Feb 1

18,000 sh · +30.3% own

AGRANT—

Whitmire Brett R · CFOFeb 1

22,000 sh · +95.2% own

AGRANT—

Whitmire Brett R · CFOFeb 1

22,000 sh · +45.1% own

AGRANT—

Tang Francis · Chief Technology…Feb 1

13,000 sh · +53.7% own

AGRANT—

Tang Francis · Chief Technology…Feb 1

13,000 sh · +14.7% own

AGRANT—

Tsong Andy · SVP Worldwide…Feb 1

18,000 sh · +77.9% own

AGRANT—

Tsong Andy · SVP Worldwide…Feb 1

18,000 sh · +45.9% own

SSELL$99.4K

Lu Keh Shew · DirectorNov 12, 2025

2,095 sh @ $47.46 · -0.9% own

SSELL$185.1K

Lu Keh Shew · DirectorNov 12, 2025

3,905 sh @ $47.40 · -1.4% own

SSELL$56.4K

Yang Emily · SVP Worldwide…Aug 28, 2025

1,000 sh @ $56.36 · -1.7% own

SSELL$111.8K

Whitmire Brett R · CFOAug 27, 2025

2,000 sh @ $55.90 · -3.9% own

SSELL$53.2K

Yang Emily · SVP Worldwide…Aug 19, 2025

1,000 sh @ $53.22 · -1.6% own

FTAX$17.7K

Tsong Andy · SVP Worldwide…Jul 1, 2025

320 sh @ $55.30 · -0.8% own

FTAX$8.5K

Yu Gary · President and CEOMay 27, 2025

183 sh @ $46.61 · -0.2% own

FTAX$101K

Lu Keh Shew · DirectorMay 27, 2025

2,166 sh @ $46.61 · -2.0% own

GGIFT—

Yang Emily · SVP Worldwide…May 21, 2025

1,576 sh

GGIFT—

Yang Emily · SVP Worldwide…May 21, 2025

1,576 sh · -73.0% own

GGIFT—

Yang Emily · SVP Worldwide…May 21, 2025

788 sh · -26.7% own

GGIFT—

Yang Emily · SVP Worldwide…May 20, 2025

2,948 sh

GGIFT—

Yang Emily · SVP Worldwide…May 20, 2025

2,948 sh · -4.6% own

AGRANT—

Lu Keh Shew · DirectorMay 13, 2025

3,000 sh · +2.9% own

AGRANT—

Yu Gary · President and CEOMay 13, 2025

3,000 sh · +3.7% own

AGRANT—

Yu Gary · President and CEOMay 13, 2025

1,915 sh · +2.4% own

AGRANT—

Feiger Robert E · DirectorMay 13, 2025

3,000 sh · +100.0% own

AGRANT—

Su Huey-Jen Jenny · DirectorMay 13, 2025

3,000 sh

AGRANT—

Chen Warren · DirectorMay 13, 2025

3,000 sh · +42.0% own

AGRANT—

Chen Button Angie · DirectorMay 13, 2025

3,000 sh · +27.2% own

AGRANT—

Bull Elizabeth · DirectorMay 13, 2025

3,000 sh · +50.0% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 48 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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