Super Micro Computer, Inc. (SMCI) Insider Ownership

Historic Insider Ownership Trends

As of April 25, 2026, the three largest insider holders of SMCI are Charles Liang (President And Ceo, 40.43Mn shares), Liang Chiu-Chu Sara Liu (Vp Of Operations Treasurer, 40.43Mn shares), Charles Liang (President And Ceo, 25.67Mn 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
Charles Liang President And Ceo 40,426,120 0 30 Jul, 2025
Liang Chiu-Chu Sara Liu Vp Of Operations Treasurer 0 40,426,120 30 Jul, 2025
Charles Liang President And Ceo 0 25,672,520 01 Dec, 2025
Liang Chiu-Chu Sara Liu - 0 25,672,520 01 Dec, 2025
Yih-Shyan Wally Liaw Secretary V P Of Intl Sales 0 14,990,450 20 May, 2025
Charles Liang President And Ceo 0 630,780 03 Mar, 2026
Liang Chiu-Chu Sara Liu Senior Vice President 630,780 0 03 Mar, 2026
Tally C Liu - 286,047 0 02 Feb, 2026
Sherman Tuan - 207,156 0 01 Dec, 2025
Jin Xiao Sr. Corporate Vp, Engineering 186,213 0 19 Feb, 2026
George Kao Svp, Operations 134,691 0 26 Nov, 2025
David E Weigand Svp, Chief Financial Officer 115,246 0 19 Feb, 2026
Yih-Shyan Wally Liaw Secretary V P Of Intl Sales 94,492 0 19 Feb, 2026
Kenneth Cheung Svp, Chief Accounting Officer 58,530 0 19 Feb, 2026
Judy L. Lin - 54,940 0 02 Jul, 2025
Don W Clegg Svp, Worldwide Sales 49,059 0 19 Feb, 2026
Shiu Leung Chan - 42,917 0 05 Feb, 2024
Daniel W Fairfax - 19,833 0 02 Jul, 2024
Susan Mogensen - 3,280 0 02 Jul, 2025
Scott Angel - 1,672 0 02 Jul, 2025
Robert L Blair - 1,580 0 02 Jul, 2025

* 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
27 Feb, 2026 Charles Liang Common Stock A 20,980 $4.24 630,780 I M
27 Feb, 2026 Liang Chiu-Chu Sara Liu Common Stock A 20,980 $4.24 630,780 D M
27 Feb, 2026 Charles Liang Employee Stock Option (right to buy) D 20,980 $0.00 0 I M
27 Feb, 2026 Liang Chiu-Chu Sara Liu Employee Stock Option (right to buy) D 20,980 $0.00 0 D M
17 Feb, 2026 Charles Liang Common Stock A 3,650 - 611,908 I M
17 Feb, 2026 Jin Xiao Common Stock A 4,000 - 187,747 D M
17 Feb, 2026 Kenneth Cheung Common Stock A 2,250 - 59,457 D M
17 Feb, 2026 Yih-Shyan Wally Liaw Common Stock A 3,400 - 95,712 D M
17 Feb, 2026 Don W Clegg Common Stock A 1,750 - 49,775 D M
17 Feb, 2026 Liang Chiu-Chu Sara Liu Common Stock A 3,650 - 611,908 D M
17 Feb, 2026 David E Weigand Common Stock A 6,500 - 117,579 D M
17 Feb, 2026 Liang Chiu-Chu Sara Liu Common Stock D 2,108 $30.11 609,800 D F
17 Feb, 2026 David E Weigand Common Stock D 2,333 $30.11 115,246 D F
17 Feb, 2026 Jin Xiao Common Stock D 1,534 $30.11 186,213 D F
17 Feb, 2026 Don W Clegg Common Stock D 716 $30.11 49,059 D F
17 Feb, 2026 Charles Liang Common Stock D 2,108 $30.11 609,800 I F
17 Feb, 2026 Yih-Shyan Wally Liaw Common Stock D 1,220 $30.11 94,492 D F
17 Feb, 2026 Kenneth Cheung Common Stock D 927 $30.11 58,530 D F
17 Feb, 2026 Jin Xiao Restricted Stock Units D 4,000 $0.00 4,000 D M
17 Feb, 2026 David E Weigand Restricted Stock Units D 6,500 $0.00 6,500 D M