Super Micro Computer, Inc. (SMCI) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, the three largest insider holders of SMCI are Charles Liang (President And Ceo, 40.43Mn shares), Liang Chiu-Chu Sara Liu (Director, 25.67Mn shares), Yih-Shyan Wally Liaw (Director, 14.99Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Hwei-Ming Fred Tsai 258,600 0 12 May, 2021
Sherman Tuan 207,156 0 01 Dec, 2025
Jin Xiao Sr. Corporate Vp, Engineering 186,213 0 19 Feb, 2026
David E Weigand Svp, Chief Financial Officer 115,246 0 19 Feb, 2026
Saria Tseng 29,889 0 02 Jul, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
17 Feb, 2026 Jin Xiao Common Stock A 4,000 - 187,747 D M
17 Feb, 2026 David E Weigand Common Stock A 6,500 - 117,579 D M
17 Feb, 2026 Jin Xiao Common Stock D 1,534 $30.11 186,213 D F
17 Feb, 2026 David E Weigand Common Stock D 2,333 $30.11 115,246 D F
17 Feb, 2026 David E Weigand Restricted Stock Units D 6,500 $0.00 6,500 D M
17 Feb, 2026 Jin Xiao Restricted Stock Units D 4,000 $0.00 4,000 D M
10 Feb, 2026 Jin Xiao Common Stock A 1,970 - 184,559 D M
10 Feb, 2026 David E Weigand Common Stock A 2,670 - 111,308 D M
10 Feb, 2026 Jin Xiao Common Stock D 812 $33.33 183,747 D F
10 Feb, 2026 David E Weigand Common Stock D 1,100 $33.33 110,208 D F
10 Feb, 2026 David E Weigand Common Stock A 1,480 - 111,688 D M
10 Feb, 2026 Jin Xiao Restricted Stock Units D 1,970 $0.00 9,850 D M
10 Feb, 2026 David E Weigand Common Stock D 609 $33.33 111,079 D F
10 Feb, 2026 David E Weigand Restricted Stock Units D 2,670 $0.00 2,680 D M
10 Feb, 2026 David E Weigand Restricted Stock Units D 1,480 $0.00 13,380 D M
07 Feb, 2026 David E Weigand Restricted Stock Units A 13,000 $0.00 13,000 D A
07 Feb, 2026 Jin Xiao Restricted Stock Units A 8,000 $0.00 8,000 D A
26 Nov, 2025 Sherman Tuan Common Stock D 48,630 $33.00 207,156 D S
10 Nov, 2025 David E Weigand Common Stock A 2,680 - 109,266 D M
10 Nov, 2025 David E Weigand Common Stock D 1,361 $40.19 107,905 D F