The Filings Report

Super Micro Computer, Inc. Common Stock insider trading

SMCIfinancial statementsForm 4 filings on EDGAR357 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Super Micro Computer, Inc. Common Stock bought $0 of stock in the open market, and 2 sold $24M. Officers and directors accounted for $0 of purchases and $24M of sales. The last reported transaction was an open-market sale by Liu Liang Chiu-Chu Sara on October 7, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 9, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

SMCI daily priceSplit-adjusted prices in US dollars

Bought $0Sold $24MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $32.59 · H $33.17 · L $31.33 · C $32.95Bought $0 (0)Sold $0 (0)
$28$33$37$42$472026-08-04: open $29.65, high $31.84, low $29.07, close $31.692026-08-05: open $31.71, high $31.78, low $30.29, close $30.322026-08-06: open $30.00, high $30.94, low $29.33, close $29.382026-08-07: open $29.94, high $31.34, low $29.68, close $31.132026-08-10: open $32.00, high $33.39, low $31.43, close $31.462026-08-11: open $32.02, high $32.36, low $30.92, close $31.682026-08-12: open $34.99, high $38.15, low $33.94, close $37.612026-08-13: open $38.28, high $42.31, low $38.20, close $39.162026-08-14: open $39.16, high $40.60, low $38.73, close $39.842026-08-17: open $39.31, high $39.51, low $37.68, close $38.282026-08-18: open $37.10, high $38.16, low $36.22, close $37.412026-08-19: open $37.15, high $37.69, low $35.72, close $36.582026-08-20: open $36.90, high $38.74, low $35.58, close $36.502026-08-21: open $37.16, high $37.67, low $36.42, close $37.242026-08-24: open $36.49, high $36.70, low $34.09, close $35.172026-08-25: open $36.13, high $38.60, low $36.01, close $38.462026-08-26: open $38.03, high $38.27, low $37.23, close $37.392026-08-27: open $38.69, high $39.47, low $37.48, close $38.462026-08-28: open $38.02, high $38.97, low $36.87, close $37.082026-08-31: open $36.54, high $37.59, low $36.12, close $37.282026-09-01: open $36.43, high $37.15, low $35.72, close $36.712026-09-02: open $37.65, high $37.88, low $35.63, close $37.002026-09-03: open $36.50, high $38.22, low $35.75, close $37.872026-09-04: open $38.16, high $40.91, low $37.92, close $39.592026-09-08: open $39.67, high $41.53, low $39.67, close $40.262026-09-09: open $40.01, high $40.18, low $38.84, close $38.932026-09-10: open $37.91, high $39.26, low $37.37, close $37.382026-09-11: open $37.76, high $40.45, low $37.56, close $40.102026-09-14: open $37.43, high $38.10, low $36.38, close $36.742026-09-15: open $36.74, high $37.55, low $35.57, close $35.642026-09-16: open $35.95, high $37.12, low $35.36, close $36.852026-09-17: open $38.04, high $41.01, low $37.82, close $40.352026-09-18: open $40.20, high $40.41, low $38.32, close $39.092026-09-21: open $40.63, high $41.72, low $40.00, close $41.202026-09-22: open $41.26, high $41.74, low $40.45, close $41.542026-09-23: open $42.27, high $42.70, low $40.79, close $41.442026-09-24: open $40.44, high $42.28, low $39.85, close $41.512026-09-25: open $42.00, high $43.76, low $41.90, close $43.262026-09-28: open $42.75, high $43.06, low $40.96, close $41.782026-09-29: open $42.60, high $42.69, low $40.86, close $41.022026-09-30: open $42.17, high $42.68, low $40.47, close $41.072026-10-01: open $40.89, high $42.02, low $40.13, close $41.922026-10-02: open $42.78, high $44.59, low $42.28, close $43.692026-10-05: open $43.57, high $44.05, low $42.80, close $43.192026-10-06: open $43.87, high $44.74, low $43.02, close $43.462026-10-07: open $42.60, high $45.77, low $42.46, close $44.942026-10-08: open $44.03, high $44.33, low $41.87, close $42.772026-10-09: open $43.37, high $43.45, low $40.63, close $41.862026-10-12: open $41.29, high $41.38, low $39.24, close $39.982026-10-13: open $38.66, high $39.49, low $38.49, close $39.072026-10-14: open $37.97, high $38.02, low $35.63, close $35.782026-10-15: open $34.28, high $35.12, low $32.38, close $35.092026-10-16: open $34.48, high $34.62, low $31.43, close $31.632026-10-19: open $33.00, high $33.18, low $31.92, close $32.102026-10-20: open $31.48, high $33.17, low $30.92, close $32.472026-10-21: open $36.42, high $37.45, low $35.14, close $35.572026-10-22: open $34.45, high $34.93, low $32.96, close $33.722026-10-23: open $33.70, high $34.14, low $32.73, close $32.942026-10-26: open $33.07, high $33.50, low $32.58, close $32.692026-10-27: open $33.34, high $35.21, low $33.23, close $35.092026-10-28: open $35.54, high $36.40, low $34.63, close $35.812026-10-29: open $35.15, high $35.85, low $34.12, close $34.432026-10-30: open $32.59, high $33.17, low $31.33, close $32.95Insider purchases / sales · USD$10M$0−$10M2026-09-03: 0 purchases ($0), 4 sales ($7M)2026-09-04: 0 purchases ($0), 2 sales ($8M)2026-10-07: 0 purchases ($0), 2 sales ($9M)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

357 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 7, 2026Liu Liang Chiu-Chu SaraDirector, 10% owneropen-market sale10b5-1100,000$45.02$5M337,506Oct 9, 2026
Oct 7, 2026Liang CharlesPresident and CEO, Director, 10% owneropen-market sale10b5-1indirect100,000$45.02$5M337,506Oct 9, 2026
Sep 4, 2026Liang CharlesPresident and CEO, Director, 10% owneropen-market sale10b5-1indirect100,000$40.00$4M437,506Sep 8, 2026
Sep 4, 2026Liu Liang Chiu-Chu SaraDirector, 10% owneropen-market sale10b5-1100,000$40.00$4M437,506Sep 8, 2026
Sep 3, 2026Liang CharlesPresident and CEO, Director, 10% owneropen-market sale10b5-1indirect42,565$36.60$2M594,941Sep 8, 2026
Sep 3, 2026Liang CharlesPresident and CEO, Director, 10% owneropen-market sale10b5-1indirect57,435$37.62$2M537,506Sep 8, 2026
Sep 3, 2026Liu Liang Chiu-Chu SaraDirector, 10% owneropen-market sale10b5-142,565$36.60$2M594,941Sep 8, 2026
Sep 3, 2026Liu Liang Chiu-Chu SaraDirector, 10% owneropen-market sale10b5-157,435$37.62$2M537,506Sep 8, 2026
Aug 17, 2026Xiao JinSr. Corporate VP, Engineeringoption exercise4,000——196,022Aug 19, 2026
Aug 17, 2026Xiao JinSr. Corporate VP, Engineeringtax withholding1,436$38.28$55K194,586Aug 19, 2026
Aug 17, 2026Weigand David ESVP, Chief Financial Officeroption exercise6,500——138,038Aug 19, 2026
Aug 17, 2026Weigand David ESVP, Chief Financial Officertax withholding3,308$38.28$127K134,730Aug 19, 2026
Aug 17, 2026Thauberger MatthewChief Revenue Officeroption exercise2,250——7,632Aug 19, 2026
Aug 17, 2026Thauberger MatthewChief Revenue Officertax withholding1,145$38.28$44K6,487Aug 19, 2026
Aug 17, 2026Malyala VikranthSVP, Chief Business Officeroption exercise6,000——50,930Aug 19, 2026
Aug 17, 2026Malyala VikranthSVP, Chief Business Officertax withholding3,053$38.28$117K47,877Aug 19, 2026
Aug 17, 2026Liang CharlesPresident and CEO, Director, 10% owneroption exerciseindirect3,650——639,476Aug 19, 2026
Aug 17, 2026Liang CharlesPresident and CEO, Director, 10% ownertax withholdingindirect1,970$38.28$75K637,506Aug 19, 2026
Aug 17, 2026Liu Liang Chiu-Chu SaraDirector, 10% owneroption exercise3,650——639,476Aug 19, 2026
Aug 17, 2026Liu Liang Chiu-Chu SaraDirector, 10% ownertax withholding1,970$38.28$75K637,506Aug 19, 2026
Aug 17, 2026Cheung KennethSVP, Chief Accounting Officeroption exercise2,250——64,580Aug 19, 2026
Aug 17, 2026Cheung KennethSVP, Chief Accounting Officertax withholding808$38.28$31K63,772Aug 19, 2026
Aug 10, 2026Thauberger Matthew—option exercise740——5,548Aug 12, 2026
Aug 10, 2026Thauberger Matthew—tax withholding377$31.46$12K5,171Aug 12, 2026
Aug 10, 2026Thauberger Matthew—option exercise430——5,601Aug 12, 2026
Aug 10, 2026Thauberger Matthew—tax withholding219$31.46$7K5,382Aug 12, 2026
Aug 10, 2026Malyala VikranthSVP, Chief Business Officeroption exercise2,110——45,446Aug 12, 2026
Aug 10, 2026Malyala VikranthSVP, Chief Business Officertax withholding1,074$31.46$34K44,372Aug 12, 2026
Aug 10, 2026Malyala VikranthSVP, Chief Business Officeroption exercise1,138——45,510Aug 12, 2026
Aug 10, 2026Malyala VikranthSVP, Chief Business Officertax withholding580$31.46$18K44,930Aug 12, 2026
Aug 10, 2026Xiao JinSr. Corporate VP, Engineeringoption exercise1,970——192,073Aug 12, 2026
Aug 10, 2026Xiao JinSr. Corporate VP, Engineeringtax withholding707$31.46$22K191,366Aug 12, 2026
Aug 10, 2026Xiao JinSr. Corporate VP, Engineeringoption exercise1,024——192,390Aug 12, 2026
Aug 10, 2026Xiao JinSr. Corporate VP, Engineeringtax withholding368$31.46$12K192,022Aug 12, 2026
Aug 10, 2026Cheung KennethSVP, Chief Accounting Officeroption exercise1,250——60,581Aug 12, 2026
Aug 10, 2026Cheung KennethSVP, Chief Accounting Officertax withholding449$31.46$14K60,132Aug 12, 2026
Aug 10, 2026Cheung KennethSVP, Chief Accounting Officeroption exercise3,429——63,561Aug 12, 2026
Aug 10, 2026Cheung KennethSVP, Chief Accounting Officertax withholding1,231$31.46$39K62,330Aug 12, 2026
Aug 10, 2026Liu Liang Chiu-Chu SaraDirector, 10% owneroption exercise2,110——636,494Aug 12, 2026
Aug 10, 2026Liu Liang Chiu-Chu SaraDirector, 10% ownertax withholding1,139$31.46$36K635,355Aug 12, 2026
Aug 10, 2026Liu Liang Chiu-Chu SaraDirector, 10% owneroption exercise1,024——636,379Aug 12, 2026
Aug 10, 2026Liu Liang Chiu-Chu SaraDirector, 10% ownertax withholding553$31.46$17K635,826Aug 12, 2026
Aug 10, 2026Liang CharlesPresident and CEO, Director, 10% owneroption exerciseindirect2,110——636,494Aug 12, 2026
Aug 10, 2026Liang CharlesPresident and CEO, Director, 10% ownertax withholdingindirect1,139$31.46$36K635,355Aug 12, 2026
Aug 10, 2026Liang CharlesPresident and CEO, Director, 10% owneroption exerciseindirect1,024——636,379Aug 12, 2026
Aug 10, 2026Liang CharlesPresident and CEO, Director, 10% ownertax withholdingindirect553$31.46$17K635,826Aug 12, 2026
Aug 10, 2026Weigand David ESVP, Chief Financial Officeroption exercise1,480——132,292Aug 12, 2026
Aug 10, 2026Weigand David ESVP, Chief Financial Officertax withholding754$31.46$24K131,538Aug 12, 2026
Jul 1, 2026Liu Liang Chiu-Chu SaraDirector, 10% owneroption exercise830——634,473Jul 2, 2026
Jul 1, 2026Liu Liang Chiu-Chu SaraDirector, 10% ownertax withholding448$27.65$12K634,025Jul 2, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Liu Liang Chiu-Chu SaraDirector, 10% ownerOct 7, 2026open-market sale337,506—$12M (4)4 of 4
Liang CharlesPresident and CEO, Director, 10% ownerOct 7, 2026open-market sale40M—$12M (4)4 of 4
Kao GeorgeSVP, OPERATIONSNov 24, 2025option exercise191,595—$2M (1)0 of 1
Tuan ShermanDirectorNov 26, 2025open-market sale207,156—$2M (1)0 of 1
Weigand David ESVP, Chief Financial OfficerAug 17, 2026option exercise138,038———
Liaw Yih-Shyan WallyDirectorFeb 17, 2026option exercise95,712———
Clegg Don WSVP, Worldwide SalesMay 10, 2026option exercise50,079———
Cheung KennethSVP, Chief Accounting OfficerAug 17, 2026option exercise64,580———
Malyala VikranthSVP, Chief Business OfficerAug 17, 2026option exercise50,930———
Xiao JinSr. Corporate VP, EngineeringAug 17, 2026option exercise196,022———
Thauberger MatthewChief Revenue OfficerAug 17, 2026option exercise7,632———
Blair Robert LDirectorJun 30, 2026option exercise6,963———
Liu Tally CDirectorJun 30, 2026option exercise288,738———
Angel ScottDirectorJun 30, 2026option exercise7,055———
Lin Judy L.DirectorJun 30, 2026option exercise60,323———
Mogensen SusanDirectorJun 30, 2026option exercise8,663———

Questions

Are Super Micro Computer, Inc. Common Stock insiders buying or selling?

Over the twelve months to November 1, 2026, 4 insiders at Super Micro Computer, Inc. Common Stock sold $28M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $28M. Only open-market purchases and sales are counted.

Who sold the most Super Micro Computer, Inc. Common Stock stock in the last year?

Liu Liang Chiu-Chu Sara (Director, 10% owner) sold $12M in 4 open-market sales over the twelve months to November 1, 2026.

Do Super Micro Computer, Inc. Common Stock executives sell under 10b5-1 plans?

8 of the 10 open-market sales in the last twelve months (80%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Super Micro Computer, Inc. Common Stock

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.