🕵️ Super Micro Computer, Inc. ($SMCI)

SEC insider & ownership activity, last 12 months · CIK 1375365 · every row links its SEC filing

Over the last 12 months insiders sold $31.4M with no open-market buying against it. Liang Charles sold $12.0M through a 10b5-1 trading plan in 1 lots (Jul). No red-flag 8-Ks in the window.

Aug 2025: net -$1.8M Sep 2025: net -$2.1M Oct 2025: net +$0 Nov 2025: net -$3.5M Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net +$0 Jun 2026: net +$0 Jul 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) · 5 sellers, $31.4M (8 lots)

InsiderBuysBoughtSellsSoldLast
Liang Charles0– 1$12.0MJul 28, 2025
Liu Liang Chiu-Chu Sara0– 1$12.0MJul 28, 2025
George W Kao0– 2$3.6MNov 24, 2025
David E. Weigand0– 3$2.1MSep 15, 2025
Sherman Tuan0– 1$1.6MNov 26, 2025

5%+ holders

HolderStakeClassScheduleEvent
JANE Street Group, LLC 8.5% 13GJun 18, 2026 filing ↗
Vanguard Capital Management 6.3% 13GApr 30, 2026 filing ↗
JANE Street Global Trading, LLC 6.2% 13GJun 18, 2026 filing ↗
Capital Ventures International 6.2% 13GJun 18, 2026 filing ↗
Susquehanna Advisors Group, Inc. 6.2% 13GJun 18, 2026 filing ↗
G1 Execution Services, LLC 6.2% 13GJun 18, 2026 filing ↗
SIG Brokerage, LP 6.2% 13GJun 18, 2026 filing ↗
Susquehanna Fundamental Investments, LLC 6.2% 13GJun 18, 2026 filing ↗
Susquehanna Investment Group 6.2% 13GJun 18, 2026 filing ↗
Susquehanna Securities, LLC 6.2% 13GJun 18, 2026 filing ↗

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Yih-Shyan W Liaw$742KMay 26, 2026 filing ↗
Yih-Shyan W Liaw$4.8MMay 22, 2026 filing ↗
Yih-Shyan W Liaw$1.8MMay 20, 2026 filing ↗
Yih-Shyan W Liaw$622KMay 19, 2026 filing ↗
Yih-Shyan W Liaw$2.0MMay 18, 2026 filing ↗
Yih-Shyan W Liaw$998KMay 14, 2026 filing ↗
Yih-Shyan W Liaw$330KMay 13, 2026 filing ↗
Yih-Shyan W Liaw$356KMay 11, 2026 filing ↗
Sherman Tuan$1.6MNov 26, 2025 filing ↗
George W Kao$1.9MNov 24, 2025 filing ↗
David Weigand$2.0MSep 3, 2025 filing ↗
George W Kao$1.8MAug 22, 2025 filing ↗

Material events (8-K)

ItemEvent date
Earnings (2.02)Jul 21, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jul 21, 2026 filing ↗
Material agreement (1.01)Jun 10, 2026 filing ↗
Material Modifications to Rights of Security Holders (3.03)Jun 10, 2026 filing ↗
Charter/bylaw changes (5.03)Jun 10, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jun 10, 2026 filing ↗
Material agreement (1.01)Jun 10, 2026 filing ↗
Reg FD disclosure (7.01)Jun 10, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jun 10, 2026 filing ↗
Other events (8.01)Jun 9, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jun 9, 2026 filing ↗
Officer/director changes (5.02)May 12, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 12, 2026 filing ↗
Earnings (2.02)May 5, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 5, 2026 filing ↗
Officer/director changes (5.02)Apr 15, 2026 filing ↗
Shareholder vote (5.07)Apr 15, 2026 filing ↗
Financial Statements and Exhibits (9.01)Apr 15, 2026 filing ↗
Officer/director changes (5.02)Mar 20, 2026 filing ↗
Financial Statements and Exhibits (9.01)Mar 20, 2026 filing ↗
Earnings (2.02)Feb 3, 2026 filing ↗
Financial Statements and Exhibits (9.01)Feb 3, 2026 filing ↗
Material agreement (1.01)Jan 26, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jan 26, 2026 filing ↗
Material agreement (1.01)Jan 21, 2026 filing ↗
Shareholder Nominations Pursuant to Exchange Act Rule 14a-11 (5.08)Jan 21, 2026 filing ↗
Other events (8.01)Jan 21, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jan 21, 2026 filing ↗
Material agreement (1.01)Dec 29, 2025 filing ↗
Financial Statements and Exhibits (9.01)Dec 29, 2025 filing ↗