Super Micro Computer, Inc. (SMCI)
Data as of , from SEC Form 4 filings.
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- Liang Chiu-Chu Sara Liu - DirectorOpen-market sale$4.50M
Charles Liang - Officer
About Super Micro Computer, Inc. (SMCI)
Super Micro Computer, Inc. files with the SEC under CIK 0001375365 and is classified as electronic computers. It is grouped with Information Technology companies on this site.
SMCI Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 8 | 600,000 | $24.44M |
| Grant or award | 20 | 186,637 | |
| Option exercise | 40 | 96,278 | |
SMCI insider transactions (Form 4)
67148 Form 4 filings on record, the earliest from Nov 1, 2024, newest first. Filing history page 1 of 3.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Liang Chiu-Chu Sara Liu - Director | Grant or award | Restricted Stock Units | 10,000 | $0.00 | - | |
| Liang Chiu-Chu Sara Liu - Director | Grant or award | Restricted Stock Units | 5,453 | $0.00 | - | |
| Charles Liang - Officer | Grant or award | Restricted Stock Units | 10,000 | $0.00 | - | |
| Charles Liang - Officer | Grant or award | Restricted Stock Units | 5,453 | $0.00 | - | |
| Kenneth Cheung - Officer | Grant or award | Restricted Stock Units | 6,000 | $0.00 | - | |
| Jin Xiao - Officer | Grant or award | Restricted Stock Units | 9,000 | $0.00 | - | |
| Matthew Thauberger - Officer | Grant or award | Restricted Stock Units | 10,000 | $0.00 | - | |
| Vikranth Malyala - Officer | Grant or award | Restricted Stock Units | 14,000 | $0.00 | - | |
| Liang Chiu-Chu Sara Liu - Director | Open-market sale | Common Stock | 100,000 | $45.02 footnote F2 | $4.50M | |
| ||||||
| Charles Liang - Officer | Open-market sale | Common Stock | 100,000 | $45.02 footnote F2 | $4.50M | |
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| Charles Liang - Officer | Open-market sale | Common Stock | 42,565 | $36.60 footnote F2 | $1.56M | |
| Charles Liang - Officer | Open-market sale | Common Stock | 57,435 | $37.62 footnote F3 | $2.16M | |
| Charles Liang - Officer | Open-market sale | Common Stock | 100,000 | $40.00 footnote F4 | $4.00M | |
| ||||||
| Liang Chiu-Chu Sara Liu - Director | Open-market sale | Common Stock | 42,565 | $36.60 footnote F2 | $1.56M | |
| Liang Chiu-Chu Sara Liu - Director | Open-market sale | Common Stock | 57,435 | $37.62 footnote F3 | $2.16M | |
| Liang Chiu-Chu Sara Liu - Director | Open-market sale | Common Stock | 100,000 | $40.00 footnote F4 | $4.00M | |
| ||||||
 David E. Weigand - Officer | Grant or award | Restricted Stock Units | 24,093 | $0.00 | - | |
| Vikranth Malyala - Officer | Grant or award | Restricted Stock Units | 8,060 | $0.00 | - | |
| Jin Xiao - Officer | Grant or award | Restricted Stock Units | 2,112 | $0.00 | - | |
| Jin Xiao - Officer | Option exercise | Common Stock | 4,000 | - footnote F1 | - | |
| Jin Xiao - Officer | Tax withholding / forfeiture | Common Stock | 1,436 | $38.28 | $55K | |
| Jin Xiao - Officer | Option exercise | Restricted Stock Units | 4,000 | $0.00 | - | |
| ||||||
| David E. Weigand - Officer | Option exercise | Common Stock | 6,500 | - footnote F1 | - | |
| David E. Weigand - Officer | Tax withholding / forfeiture | Common Stock | 3,308 | $38.28 | $127K | |
| David E. Weigand - Officer | Option exercise | Restricted Stock Units | 6,500 | $0.00 | - | |
| ||||||
| Matthew Thauberger - Officer | Option exercise | Common Stock | 2,250 | - footnote F1 | - | |
| Matthew Thauberger - Officer | Tax withholding / forfeiture | Common Stock | 1,145 | $38.28 | $44K | |
| Matthew Thauberger - Officer | Option exercise | Restricted Stock Units | 2,250 | $0.00 | - | |
| ||||||
| Vikranth Malyala - Officer | Option exercise | Common Stock | 6,000 | - footnote F1 | - | |
| Vikranth Malyala - Officer | Tax withholding / forfeiture | Common Stock | 3,053 | $38.28 | $117K | |
| Vikranth Malyala - Officer | Option exercise | Restricted Stock Units | 6,000 | $0.00 | - | |
| ||||||
| Charles Liang - Officer | Option exercise | Common Stock | 3,650 | - footnote F1 | - | |
| Charles Liang - Officer | Tax withholding / forfeiture | Common Stock | 1,970 | $38.28 | $75K | |
| Charles Liang - Officer | Option exercise | Restricted Stock Units | 3,650 | $0.00 | - | |
| ||||||
| Liang Chiu-Chu Sara Liu - Director | Option exercise | Common Stock | 3,650 | - footnote F1 | - | |
| Liang Chiu-Chu Sara Liu - Director | Tax withholding / forfeiture | Common Stock | 1,970 | $38.28 | $75K | |
| Liang Chiu-Chu Sara Liu - Director | Option exercise | Restricted Stock Units | 3,650 | $0.00 | - | |
| ||||||
| Kenneth Cheung - Officer | Option exercise | Common Stock | 2,250 | - footnote F1 | - | |
| Kenneth Cheung - Officer | Tax withholding / forfeiture | Common Stock | 808 | $38.28 | $31K | |
| Kenneth Cheung - Officer | Option exercise | Restricted Stock Units | 2,250 | $0.00 | - | |
| ||||||
| Matthew Thauberger - Officer | Grant or award | Restricted Stock Units | 9,872 | $0.00 | - | |
| Matthew Thauberger - Officer | Grant or award | Employee Stock Option (right to buy) | 21,938 | $0.00 | - | |
| Tally C. Liu - Director | Grant or award | Restricted Stock Units | 3,941 | $0.00 | - | |
| Tally C. Liu - Director | Grant or award | Stock Option (right to buy) | 5,062 | $0.00 | - | |
| Sherman Tuan - Director | Grant or award | Stock Option (right to buy) | 10,125 | $0.00 | - | |
| Robert L. Blair - Director | Grant or award | Restricted Stock Units | 7,882 | $0.00 | - | |
| Susan Mogensen - Director | Grant or award | Restricted Stock Units | 7,882 | $0.00 | - | |
| Judy L. Lin - Director | Grant or award | Restricted Stock Units | 7,882 | $0.00 | - | |
| Scott Angel - Director | Grant or award | Restricted Stock Units | 7,882 | $0.00 | - | |
| Matthew Thauberger | Option exercise | Common Stock | 740 | - footnote F1 | - | |
| Matthew Thauberger | Tax withholding / forfeiture | Common Stock | 377 | $31.46 | $12K | |
| Matthew Thauberger | Option exercise | Common Stock | 430 | - footnote F1 | - | |
| Matthew Thauberger | Tax withholding / forfeiture | Common Stock | 219 | $31.46 | $7K | |
| Matthew Thauberger | Option exercise | Restricted Stock Units | 740 | $0.00 | - | |
| Matthew Thauberger | Option exercise | Restricted Stock Units | 430 | $0.00 | - | |
| ||||||
| Vikranth Malyala - Officer | Option exercise | Common Stock | 2,110 | - footnote F1 | - | |
| Vikranth Malyala - Officer | Tax withholding / forfeiture | Common Stock | 1,074 | $31.46 | $34K | |
| Vikranth Malyala - Officer | Option exercise | Common Stock | 1,138 | - footnote F1 | - | |
| Vikranth Malyala - Officer | Tax withholding / forfeiture | Common Stock | 580 | $31.46 | $18K | |
| Vikranth Malyala - Officer | Option exercise | Restricted Stock Units | 2,110 | $0.00 | - | |
| Vikranth Malyala - Officer | Option exercise | Restricted Stock Units | 1,138 | $0.00 | - | |
| ||||||
| Jin Xiao - Officer | Option exercise | Common Stock | 1,970 | - footnote F1 | - | |
| Jin Xiao - Officer | Tax withholding / forfeiture | Common Stock | 707 | $31.46 | $22K | |
| Jin Xiao - Officer | Option exercise | Common Stock | 1,024 | - footnote F1 | - | |
| Jin Xiao - Officer | Tax withholding / forfeiture | Common Stock | 368 | $31.46 | $12K | |
| Jin Xiao - Officer | Option exercise | Restricted Stock Units | 1,970 | $0.00 | - | |
| Jin Xiao - Officer | Option exercise | Restricted Stock Units | 1,024 | $0.00 | - | |
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Item 2.02, 9.01
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Recent SMCI Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Liu Liang Chiu-Chu Sara | Director | 100,000 | $4.50M | View on EDGAR | |
| Liu Liang Chiu-Chu Sara | Director | 100,000 |
Stock trades in SMCI disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 Gilbert Ray Cisneros, Jr.Democrat, CA-31 | Sale (partial) |
SMCI insider trading FAQ
What is the latest insider trade for SMCI?
Super Micro Computer, Inc. (SMCI) had 34 insider filings in the last 90 days, with the most recent on 29 October 2026. The full record for SMCI runs to 148 Form 4 filings, the earliest from 1 November 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying SMCI stock?
No insider purchases of SMCI were filed in the last 90 days.
How many insiders are selling SMCI stock?
8 insider sales of SMCI were filed in the last 90 days, totaling $24.44M.
Where can I see SMCI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects SMCI Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Liang Chiu-Chu Sara Liu view on EDGAR
- - Charles Liang view on EDGAR
- - Kenneth Cheung view on EDGAR
- - Jin Xiao view on EDGAR
- - Matthew Thauberger view on EDGAR
- - Vikranth Malyala view on EDGAR
- - Liang Chiu-Chu Sara Liu view on EDGAR
- - Charles Liang view on EDGAR
- - Charles Liang view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where SMCI's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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