SIMO

Silicon Motion Technology CORP

Company with tickers: SIMO

CIK

1329394

CUSIP

82706C108

Shares Outstanding

33,907,835

13F Activity (30d)

185 filings 181 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-06	DUANN SHII TYNG	Director	Sell	1,500	$245.00	$367,500	15,200
2026-03-18	LIU LIEN CHUN	Director	Other	73,870	—	—	73,870
2026-03-18	LIN YUEH-HUA	Vice President of Finance	Other	23,700	—	—	23,700
2026-03-18	CHEN SHIANG FENG	Director	Other	27,800	—	—	27,800
2026-03-18	Lin Tsungtan Cain	Director	Other	5,000	—	—	5,000
2026-03-18	LIN KUAN-MING	Director	Other	10,500	—	—	10,500
2026-03-18	DUANN SHII TYNG	Director	Other	16,700	—	—	16,700
2026-03-18	TSAI PO HUNG	CFO	Other	46,350	—	—	46,350
2026-03-18	CHENG TAO	VP of Manufacturing Operations	Other	6,000	—	—	6,000
2026-03-18	TSAI PO HUNG	CFO	Other	1,900	—	—	1,900
2026-03-18	KOU WALLACE CHIACHANG	Director, President and CEO	Other	486,214	—	—	486,214
2026-03-18	CHOW PONGCHI JAMES	Director	Other	415,916	—	—	415,916
2026-03-18	SHIEH HAN-PING	Director	Other	8,655	—	—	8,655
2026-03-18	JU SHANG-TZU	SVP of Platform and Strategy	Other	2,500	—	—	2,500
2026-03-18	Chung Tsung-Ming	Director	Other	7,500	—	—	7,500

Showing 1–15 of 15 transactions