Form4insider filings, from the source

Company · CIK 0001375365 · SIC 3571 — Electronic Computers · Nasdaq

Super Micro Computer, Inc. · SMCI

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $15.4M · 2net −$15.4M
$10k$10k$1M$1M$100M$100MbuyssalesJun 27Jul 12Jul 27Aug 12Aug 27Sep 12Sep 27

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 3, 2026 SForm 4 →Sep 8, 6:47 pm EDTCharles LiangPresident and CEO, Director, 10% Owner200,000$38.59$7,718,584437,506−31.4%10b5-1
Sep 3, 2026 SForm 4 →Sep 8, 6:46 pm EDTLiang Chiu-Chu Sara LiuDirector, 10% Owner200,000$38.59$7,718,584437,506−31.4%10b5-1
Aug 17, 2026 FMForm 4 →Aug 19, 4:48 pm EDTJin XiaoSr. Corporate VP, Engineering5,436$38.28$54,970194,586—
Aug 17, 2026 FMForm 4 →Aug 19, 4:48 pm EDTDavid E WeigandSVP, Chief Financial Officer9,808$38.28$126,630134,730—
Aug 17, 2026 FMForm 4 →Aug 19, 4:47 pm EDTMatthew ThaubergerChief Revenue Officer3,395$38.28$43,8316,487—
Aug 17, 2026 FMForm 4 →Aug 19, 4:47 pm EDTVikranth MalyalaSVP, Chief Business Officer9,053$38.28$116,86947,877—
Aug 17, 2026 FMForm 4 →Aug 19, 4:46 pm EDTCharles LiangPresident and CEO, Director, 10% Owner5,620$38.28$75,412637,506—
Aug 17, 2026 FMForm 4 →Aug 19, 4:45 pm EDTLiang Chiu-Chu Sara LiuDirector, 10% Owner5,620$38.28$75,412637,506—
Aug 17, 2026 FMForm 4 →Aug 19, 4:45 pm EDTKenneth CheungSVP, Chief Accounting Officer3,058$38.28$30,93063,772—
Aug 10, 2026 FMForm 4 →Aug 12, 5:20 pm EDTMatthew ThaubergerOther1,766$31.46$18,7505,382—
Aug 10, 2026 FMForm 4 →Aug 12, 4:54 pm EDTVikranth MalyalaSVP, Chief Business Officer4,902$31.46$52,03544,930—
Aug 10, 2026 FMForm 4 →Aug 12, 4:51 pm EDTJin XiaoSr. Corporate VP, Engineering4,069$31.46$33,820192,022—
Aug 10, 2026 FMForm 4 →Aug 12, 4:50 pm EDTKenneth CheungSVP, Chief Accounting Officer6,359$31.46$52,85362,330—
Aug 10, 2026 FMForm 4 →Aug 12, 4:47 pm EDTLiang Chiu-Chu Sara LiuDirector, 10% Owner4,826$31.46$53,230635,826—
Aug 10, 2026 FMForm 4 →Aug 12, 4:45 pm EDTCharles LiangPresident and CEO, Director, 10% Owner4,826$31.46$53,230635,826—
Aug 10, 2026 FMForm 4 →Aug 12, 4:42 pm EDTDavid E WeigandSVP, Chief Financial Officer2,234$31.46$23,721131,538—
Jul 1, 2026 FMForm 4 →Jul 2, 5:52 pm EDTLiang Chiu-Chu Sara LiuDirector, 10% Owner2,485$27.65$24,111634,384—
Jul 1, 2026 FMForm 4 →Jul 2, 5:51 pm EDTDavid E WeigandSVP, Chief Financial Officer29,763$27.65$277,551130,812—
Jul 1, 2026 FMForm 4 →Jul 2, 5:51 pm EDTCharles LiangPresident and CEO, Director, 10% Owner2,485$27.65$24,111634,384—
Jul 1, 2026 FMForm 4 →Jul 2, 4:56 pm EDTVikranth MalyalaSVP, Chief Business Officer11,679$27.65$108,91343,336—
Jun 30, 2026 MForm 4 →Jul 2, 4:55 pm EDTRobert L BlairDirector5,383——6,963—
Jun 30, 2026 MForm 4 →Jul 2, 4:55 pm EDTScott AngelDirector5,383——7,055—
Jun 30, 2026 MForm 4 →Jul 2, 4:55 pm EDTJudy L. LinDirector5,383——60,323—
Jun 30, 2026 MForm 4 →Jul 2, 4:54 pm EDTTally C LiuDirector2,691——288,738—
Jun 30, 2026 MForm 4 →Jul 2, 4:54 pm EDTSusan MogensenDirector5,383——8,663—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 27, 2026 AForm 4 →Aug 31, 6:02 pm EDTDavid E WeigandSVP, Chief Financial Officer24,093——24,093—
Aug 27, 2026 AForm 4 →Aug 31, 6:02 pm EDTVikranth MalyalaSVP, Chief Business Officer8,060——8,060—
Aug 27, 2026 AForm 4 →Aug 31, 6:01 pm EDTJin XiaoSr. Corporate VP, Engineering2,112——2,112—
Aug 17, 2026 MForm 4 →Aug 19, 4:48 pm EDTJin XiaoSr. Corporate VP, Engineering4,000——0—
Aug 17, 2026 MForm 4 →Aug 19, 4:48 pm EDTDavid E WeigandSVP, Chief Financial Officer6,500——0—
Aug 17, 2026 MForm 4 →Aug 19, 4:47 pm EDTMatthew ThaubergerChief Revenue Officer2,250——0—
Aug 17, 2026 MForm 4 →Aug 19, 4:47 pm EDTVikranth MalyalaSVP, Chief Business Officer6,000——0—
Aug 17, 2026 MForm 4 →Aug 19, 4:46 pm EDTCharles LiangPresident and CEO, Director, 10% Owner3,650——0—
Aug 17, 2026 MForm 4 →Aug 19, 4:45 pm EDTLiang Chiu-Chu Sara LiuDirector, 10% Owner3,650——0—
Aug 17, 2026 MForm 4 →Aug 19, 4:45 pm EDTKenneth CheungSVP, Chief Accounting Officer2,250——0—
Aug 14, 2026 AForm 4 →Aug 18, 4:51 pm EDTMatthew ThaubergerChief Revenue Officer31,810——39,938—
Aug 14, 2026 AForm 4 →Aug 18, 4:49 pm EDTTally C LiuDirector9,003——5,062—
Aug 14, 2026 AForm 4 →Aug 18, 4:49 pm EDTSherman TuanDirector10,125——10,125—
Aug 14, 2026 AForm 4 →Aug 18, 4:48 pm EDTRobert L BlairDirector7,882——7,882—
Aug 14, 2026 AForm 4 →Aug 18, 4:47 pm EDTSusan MogensenDirector7,882——7,882—
Aug 14, 2026 AForm 4 →Aug 18, 4:46 pm EDTJudy L. LinDirector7,882——7,882—
Aug 14, 2026 AForm 4 →Aug 18, 4:46 pm EDTScott AngelDirector7,882——7,882—
Aug 10, 2026 MForm 4 →Aug 12, 5:20 pm EDTMatthew ThaubergerOther1,170——3,420—
Aug 10, 2026 MForm 4 →Aug 12, 4:54 pm EDTVikranth MalyalaSVP, Chief Business Officer3,248——12,523—
Aug 10, 2026 MForm 4 →Aug 12, 4:51 pm EDTJin XiaoSr. Corporate VP, Engineering2,994——11,270—
Aug 10, 2026 MForm 4 →Aug 12, 4:50 pm EDTKenneth CheungSVP, Chief Accounting Officer4,679——10,289—
Aug 10, 2026 MForm 4 →Aug 12, 4:47 pm EDTLiang Chiu-Chu Sara LiuDirector, 10% Owner3,134——11,270—
Aug 10, 2026 MForm 4 →Aug 12, 4:45 pm EDTCharles LiangPresident and CEO, Director, 10% Owner3,134——11,270—
Aug 10, 2026 MForm 4 →Aug 12, 4:42 pm EDTDavid E WeigandSVP, Chief Financial Officer1,480——10,410—
Jul 1, 2026 MForm 4 →Jul 2, 5:52 pm EDTLiang Chiu-Chu Sara LiuDirector, 10% Owner1,613——821—
Jul 1, 2026 MForm 4 →Jul 2, 5:51 pm EDTDavid E WeigandSVP, Chief Financial Officer19,725——3,492—
Jul 1, 2026 MForm 4 →Jul 2, 5:51 pm EDTCharles LiangPresident and CEO, Director, 10% Owner1,613——821—
Jul 1, 2026 MForm 4 →Jul 2, 4:56 pm EDTVikranth MalyalaSVP, Chief Business Officer7,740——1,524—
Jun 30, 2026 MForm 4 →Jul 2, 4:55 pm EDTRobert L BlairDirector5,383——0—
Jun 30, 2026 MForm 4 →Jul 2, 4:55 pm EDTScott AngelDirector5,383——0—
Jun 30, 2026 MForm 4 →Jul 2, 4:55 pm EDTJudy L. LinDirector5,383——0—
Jun 30, 2026 MForm 4 →Jul 2, 4:54 pm EDTTally C LiuDirector2,691——0—
Jun 30, 2026 MForm 4 →Jul 2, 4:54 pm EDTSusan MogensenDirector5,383——0—