Super Micro Computer, Inc. (SMCI) Insider Ownership

Historic Ownership Trends

Through the 90-day period concluding December 31, 2025, Super Micro Computer's top three insider stakeholders include President And Ceo Charles Liang (66.10Mn shares), Director Liang Chiu-Chu Sara Liu (26.28Mn shares), Director Yih-Shyan Wally Liaw (15.08Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Charles Liang President And Ceo 66,098,640 30 Jul, 2025
Liang Chiu-Chu Sara Liu 26,279,919 12 Nov, 2025
Yih-Shyan Wally Liaw 15,076,848 12 Nov, 2025
Tally C Liu 285,300 02 Jul, 2025
Hwei-Ming Fred Tsai 2,586,000 12 May, 2021
Sherman Tuan 207,156 01 Dec, 2025
George Kao Svp And Operations 134,691 26 Nov, 2025
David E Weigand Svp And Chief Financial Officer 108,638 12 Nov, 2025
Kenneth Cheung Svp And Chief Accounting Officer 56,472 12 Nov, 2025
Judy L. Lin 54,940 02 Jul, 2025
Don W Clegg Svp And Worldwide Sales 46,668 12 Nov, 2025
Shiu Leung Chan 429,170 05 Feb, 2024
Saria Tseng 298,890 02 Jul, 2021
Michael S Mcandrews 216,000 12 May, 2021
Daniel W Fairfax 198,330 02 Jul, 2024
Susan Mogensen 3,280 02 Jul, 2025
Alex Hsu Chief Operating Officer 23,940 18 Feb, 2021
Scott Angel 1,672 02 Jul, 2025
Robert L Blair 1,580 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
26 Nov, 2025 Charles Liang Common Stock D 5,000 $0.00 25,672,520 I G
26 Nov, 2025 Sherman Tuan Common Stock D 48,630 $33.00 207,156 D S
26 Nov, 2025 Liang Chiu-Chu Sara Liu Common Stock D 5,000 $0.00 25,672,520 I G
24 Nov, 2025 George Kao Common Stock A 48,750 $7.66 183,441 D M
24 Nov, 2025 George Kao Common Stock A 8,154 $24.52 191,595 D M
24 Nov, 2025 George Kao Common Stock D 56,904 $32.83 134,691 D S
13 Nov, 2025 George Kao Common Stock A 15,600 $2.04 42,591 D M
13 Nov, 2025 George Kao Common Stock A 12,100 $2.37 54,691 D M
13 Nov, 2025 George Kao Common Stock A 80,000 $2.70 134,691 D M
10 Nov, 2025 Kenneth Cheung Common Stock A 1,250 - 57,107 D M
10 Nov, 2025 Don W Clegg Common Stock A 1,020 - 46,552 D M
10 Nov, 2025 Charles Liang Common Stock A 2,110 - 608,536 I M
10 Nov, 2025 David E Weigand Common Stock A 2,680 - 109,266 D M
10 Nov, 2025 Yih-Shyan Wally Liaw Common Stock A 4,370 - 84,793 D M
10 Nov, 2025 George Kao Common Stock A 1,840 - 26,120 D M
10 Nov, 2025 Liang Chiu-Chu Sara Liu Common Stock A 2,110 - 608,536 D M
10 Nov, 2025 Kenneth Cheung Common Stock D 635 $40.19 56,472 D F
10 Nov, 2025 Yih-Shyan Wally Liaw Common Stock D 2,220 $40.19 82,573 D F
10 Nov, 2025 Liang Chiu-Chu Sara Liu Common Stock D 1,137 $40.19 607,399 D F
10 Nov, 2025 Charles Liang Common Stock D 1,137 $40.19 607,399 I F