Stock / equity
SMCI Super Micro Computer, Inc.
- Company
- Super Micro Computer, Inc.
- Security
- Equity
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on record
- 16
- Members of Congress
- 2
- Latest trade on record
- October 7, 2026
SMCI (Super Micro Computer, Inc.) has 320 disclosed insider transactions from 16 insiders in the last 12 months (0 open-market buys, 90 sales, about $33.1M at reported prices) and 3 congressional trades from 2 members of Congress. The most recent disclosure was filed October 9, 2026.
Share price
Price and chart by TradingView for Super Micro Computer, Inc.. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
SMCI in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
8 people account for the disclosed buying and selling in SMCI over the last 12 months; the most active is Liu Liang Chiu-Chu Sara with $13M.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
Insiders reported 6 open-market trades in SMCI since Nov 24, 2025, at prices from $32.83 to $45.02; the most recent was a sale at $45.02 on Oct 7, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
Liang Charles reported 337,506 shares held after the latest filing, against 606,426 at the first on record.
Lobbying spend by quarter
How much has Super Micro Computer, Inc. reported spending on federal lobbying?
Super Micro Computer, Inc. reported $1.1M in lobbying over the last eight quarters, from filings matched by exact company name.
Insiders trading SMCI
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns. Showing 15 of 16.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| WEIGAND DAVID E | SVP, Chief Financial Officer | 53 | 0 | 16 | — | $1.1M | August 27, 2026 |
| Liang Charles | President and CEO | 45 | 0 | 12 | — | $585K | October 7, 2026 |
| Liu Liang Chiu-Chu Sara | Director | 45 | 0 | 16 | — | $12.8M | October 7, 2026 |
| CLEGG DON W | SVP, Worldwide Sales | 27 | 0 | 8 | — | $283K | May 10, 2026 |
| Malyala Vikranth | SVP, Chief Business Officer | 26 | 0 | 8 | — | $356K | August 27, 2026 |
| Liaw Yih-Shyan Wally | Director | 25 | 0 | 8 | — | $535K | February 17, 2026 |
| Cheung Kenneth | SVP, Chief Accounting Officer | 24 | 0 | 7 | — | $170K | August 17, 2026 |
| Xiao Jin | Sr. Corporate VP, Engineering | 23 | 0 | 7 | — | $239K | August 27, 2026 |
| KAO GEORGE | SVP, OPERATIONS | 20 | 0 | 4 | — | $2.1M | November 24, 2025 |
| Thauberger Matthew | Insider | 11 | 0 | 3 | — | $63K | August 17, 2026 |
| LIU TALLY C | Director | 6 | 0 | 0 | — | — | August 14, 2026 |
| Angel Scott | Director | 4 | 0 | 0 | — | — | August 14, 2026 |
| BLAIR ROBERT L | Director | 3 | 0 | 0 | — | — | August 14, 2026 |
| Lin Judy L. | Director | 3 | 0 | 0 | — | — | August 14, 2026 |
| Mogensen Susan | Director | 3 | 0 | 0 | — | — | August 14, 2026 |
What kind of transactions these are 5 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| M | Option exercise or conversion | 194 | 936,800 | $1.0M |
| F | Shares withheld for tax | 84 | 112,317 | $4.1M |
| A | Grant or award | 28 | 300,486 | — |
| S | Open-market sale | 10 | 705,534 | $27.9M |
| G | Gift | 4 | 690,000 | — |
What each code means: Form 4 transaction codes.
Members of Congress trading SMCI
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| John Boozman | Senator (AR), Republican | 2 | 1 | 1 | $2,002–$30K | December 31, 2025 |
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 2 | 1 | 1 | $2,002–$30K | November 12, 2025 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Liang Charles | Other S | October 7, 2026 | October 9, 2026 | 2d | 100,000 | $45 | $4.5M | 10b5-1 planindirectalso in another filing | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell S | October 7, 2026 | October 9, 2026 | 2d | 100,000 | $45 | $4.5M | 10b5-1 plan | Form 4 ↗ | |
| Liang Charles | Other S | September 4, 2026 | September 8, 2026 | 4d | 100,000 | $40 | $4.0M | 10b5-1 planindirectalso in another filing | Form 4 ↗ | |
| Liang Charles | Other S | September 3, 2026 | September 8, 2026 | 5d | 57,435 | $38 | $2.2M | late10b5-1 planindirectalso in another filing | Form 4 ↗ | |
| Liang Charles | Other S | September 3, 2026 | September 8, 2026 | 5d | 42,565 | $37 | $1.6M | late10b5-1 planindirectalso in another filing | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell S | September 4, 2026 | September 8, 2026 | 4d | 100,000 | $40 | $4.0M | 10b5-1 plan | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell S | September 3, 2026 | September 8, 2026 | 5d | 57,435 | $38 | $2.2M | late10b5-1 plan | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell S | September 3, 2026 | September 8, 2026 | 5d | 42,565 | $37 | $1.6M | late10b5-1 plan | Form 4 ↗ | |
| WEIGAND DAVID E | Other A | August 27, 2026 | August 31, 2026 | 4d | 24,093 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | Other A | August 27, 2026 | August 31, 2026 | 4d | 8,060 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | Other A | August 27, 2026 | August 31, 2026 | 4d | 2,112 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 4,000 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,436 | $38 | $55K | Form 4 ↗ | ||
| Xiao Jin | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 4,000 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 6,500 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Sell F | August 17, 2026 | August 19, 2026 | 2d | 3,308 | $38 | $127K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 6,500 | — | — | Form 4 ↗ | ||
| Thauberger Matthew | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 2,250 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,145 | $38 | $44K | Form 4 ↗ | ||
| Thauberger Matthew | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 2,250 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 6,000 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | Sell F | August 17, 2026 | August 19, 2026 | 2d | 3,053 | $38 | $117K | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 6,000 | — | — | Form 4 ↗ | ||
| Liang Charles | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,970 | $38 | $75K | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | indirect | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,970 | $38 | $75K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | Form 4 ↗ | ||
| Cheung Kenneth | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 2,250 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | Sell F | August 17, 2026 | August 19, 2026 | 2d | 808 | $38 | $31K | Form 4 ↗ | ||
| Cheung Kenneth | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 2,250 | — | — | Form 4 ↗ | ||
| Thauberger Matthew | Other A | August 14, 2026 | August 18, 2026 | 4d | 21,938 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | Other A | August 14, 2026 | August 18, 2026 | 4d | 9,872 | — | — | derivative | Form 4 ↗ | |
| LIU TALLY C | Other A | August 14, 2026 | August 18, 2026 | 4d | 5,062 | — | — | derivative | Form 4 ↗ | |
| LIU TALLY C | Other A | August 14, 2026 | August 18, 2026 | 4d | 3,941 | — | — | derivative | Form 4 ↗ | |
| TUAN SHERMAN | Other A | August 14, 2026 | August 18, 2026 | 4d | 10,125 | — | — | derivative | Form 4 ↗ | |
| BLAIR ROBERT L | Other A | August 14, 2026 | August 18, 2026 | 4d | 7,882 | — | — | derivative | Form 4 ↗ | |
| Mogensen Susan | Other A | August 14, 2026 | August 18, 2026 | 4d | 7,882 | — | — | derivative | Form 4 ↗ | |
| Lin Judy L. | Other A | August 14, 2026 | August 18, 2026 | 4d | 7,882 | — | — | derivative | Form 4 ↗ | |
| Angel Scott | Other A | August 14, 2026 | August 18, 2026 | 4d | 7,882 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 430 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 740 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | Sell F | August 10, 2026 | August 12, 2026 | 2d | 219 | $31 | $6,890 | Form 4 ↗ | ||
| Thauberger Matthew | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 430 | — | — | Form 4 ↗ | ||
| Thauberger Matthew | Sell F | August 10, 2026 | August 12, 2026 | 2d | 377 | $31 | $12K | Form 4 ↗ | ||
| Thauberger Matthew | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 740 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,138 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | Sell F | August 10, 2026 | August 12, 2026 | 2d | 580 | $31 | $18K | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,138 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,074 | $31 | $34K | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | Form 4 ↗ | ||
| Xiao Jin | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,970 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | Sell F | August 10, 2026 | August 12, 2026 | 2d | 368 | $31 | $12K | Form 4 ↗ | ||
| Xiao Jin | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | Form 4 ↗ | ||
| Xiao Jin | Sell F | August 10, 2026 | August 12, 2026 | 2d | 707 | $31 | $22K | Form 4 ↗ | ||
| Xiao Jin | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,970 | — | — | Form 4 ↗ | ||
| Cheung Kenneth | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 3,429 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,250 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,231 | $31 | $39K | Form 4 ↗ | ||
| Cheung Kenneth | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 3,429 | — | — | Form 4 ↗ | ||
| Cheung Kenneth | Sell F | August 10, 2026 | August 12, 2026 | 2d | 449 | $31 | $14K | Form 4 ↗ | ||
| Cheung Kenneth | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,250 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell F | August 10, 2026 | August 12, 2026 | 2d | 553 | $31 | $17K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,139 | $31 | $36K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | Form 4 ↗ | ||
| Liang Charles | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Sell F | August 10, 2026 | August 12, 2026 | 2d | 553 | $31 | $17K | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | indirect | Form 4 ↗ | |
| Liang Charles | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,139 | $31 | $36K | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | indirect | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,480 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Sell F | August 10, 2026 | August 12, 2026 | 2d | 754 | $31 | $24K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,480 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell F | July 1, 2026 | July 2, 2026 | 1d | 148 | $28 | $4,092 | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Sell F | July 1, 2026 | July 2, 2026 | 1d | 276 | $28 | $7,631 | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Sell F | July 1, 2026 | July 2, 2026 | 1d | 448 | $28 | $12K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,164 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 2,991 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,080 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 5,110 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 9,380 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Sell F | July 1, 2026 | July 2, 2026 | 1d | 593 | $28 | $16K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,164 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | Sell F | July 1, 2026 | July 2, 2026 | 1d | 1,522 | $28 | $42K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 2,991 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | Sell F | July 1, 2026 | July 2, 2026 | 1d | 550 | $28 | $15K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,080 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | Sell F | July 1, 2026 | July 2, 2026 | 1d | 2,600 | $28 | $72K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 5,110 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | Sell F | July 1, 2026 | July 2, 2026 | 1d | 4,773 | $28 | $132K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 9,380 | — | — | Form 4 ↗ | ||
| Liang Charles | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Sell F | July 1, 2026 | July 2, 2026 | 1d | 148 | $28 | $4,092 | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | indirect | Form 4 ↗ | |
| Liang Charles | Sell F | July 1, 2026 | July 2, 2026 | 1d | 276 | $28 | $7,631 | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | indirect | Form 4 ↗ | |
| Liang Charles | Sell F | July 1, 2026 | July 2, 2026 | 1d | 448 | $28 | $12K | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | indirect | Form 4 ↗ | |
| Malyala Vikranth | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 507 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,413 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,220 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 4,600 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | Sell F | July 1, 2026 | July 2, 2026 | 1d | 258 | $28 | $7,134 | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 507 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | Sell F | July 1, 2026 | July 2, 2026 | 1d | 719 | $28 | $20K | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,413 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | Sell F | July 1, 2026 | July 2, 2026 | 1d | 621 | $28 | $17K | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,220 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | Sell F | July 1, 2026 | July 2, 2026 | 1d | 2,341 | $28 | $65K | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 4,600 | — | — | Form 4 ↗ | ||
| BLAIR ROBERT L | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | derivative | Form 4 ↗ | |
| BLAIR ROBERT L | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | Form 4 ↗ | ||
| Angel Scott | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | derivative | Form 4 ↗ | |
| Angel Scott | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | Form 4 ↗ | ||
| Lin Judy L. | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | derivative | Form 4 ↗ | |
| Lin Judy L. | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | Form 4 ↗ | ||
| LIU TALLY C | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 2,691 | — | — | derivative | Form 4 ↗ | |
| LIU TALLY C | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 2,691 | — | — | Form 4 ↗ | ||
| Mogensen Susan | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | derivative | Form 4 ↗ | |
| Mogensen Susan | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | Option / conversion M | June 17, 2026 | June 22, 2026 | 5d | 7,500 | — | — | latederivative | Form 4 ↗ | |
| Malyala Vikranth | Other A | June 17, 2026 | June 22, 2026 | 5d | 15,000 | — | — | latederivative | Form 4 ↗ | |
| Malyala Vikranth | Sell F | June 17, 2026 | June 22, 2026 | 5d | 2,825 | $28 | $78K | late | Form 4 ↗ | |
| Malyala Vikranth | Option / conversion M | June 17, 2026 | June 22, 2026 | 5d | 7,500 | — | — | late | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | June 17, 2026 | June 22, 2026 | 5d | 5,000 | — | — | latederivative | Form 4 ↗ | |
| WEIGAND DAVID E | Other A | June 17, 2026 | June 22, 2026 | 5d | 10,000 | — | — | latederivative | Form 4 ↗ | |
| WEIGAND DAVID E | Sell F | June 17, 2026 | June 22, 2026 | 5d | 1,794 | $28 | $50K | late | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | June 17, 2026 | June 22, 2026 | 5d | 5,000 | — | — | late | Form 4 ↗ | |
| Cheung Kenneth | Other A | July 29, 2025 | June 12, 2026 | 318d | 13,718 | — | — | latederivative | Form 4 ↗ | |
| Cheung Kenneth | Other A | July 29, 2025 | June 12, 2026 | 318d | 30,486 | — | — | latederivative | Form 4 ↗ | |
| Liang Charles | Other G | May 26, 2026 | May 28, 2026 | 2d | 340,000 | — | — | indirect | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Other G | May 26, 2026 | May 28, 2026 | 2d | 340,000 | — | — | indirect | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,490 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,680 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Other A | May 8, 2026 | May 12, 2026 | 4d | 13,780 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Other A | May 8, 2026 | May 12, 2026 | 4d | 30,622 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | Sell F | May 10, 2026 | May 12, 2026 | 2d | 535 | $35 | $19K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,490 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | Sell F | May 10, 2026 | May 12, 2026 | 2d | 962 | $35 | $34K | Form 4 ↗ | ||
| WEIGAND DAVID E | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,680 | — | — | Form 4 ↗ | ||
| CLEGG DON W | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,290 | — | — | derivative | Form 4 ↗ | |
| CLEGG DON W | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,020 | — | — | derivative | Form 4 ↗ | |
| CLEGG DON W | Other A | May 8, 2026 | May 12, 2026 | 4d | 5,598 | — | — | derivative | Form 4 ↗ | |
| CLEGG DON W | Other A | May 8, 2026 | May 12, 2026 | 4d | 12,440 | — | — | derivative | Form 4 ↗ | |
| CLEGG DON W | Sell F | May 10, 2026 | May 12, 2026 | 2d | 463 | $35 | $16K | Form 4 ↗ | ||
| CLEGG DON W | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,290 | — | — | Form 4 ↗ | ||
| CLEGG DON W | Sell F | May 10, 2026 | May 12, 2026 | 2d | 366 | $35 | $13K | Form 4 ↗ | ||
| CLEGG DON W | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,020 | — | — | Form 4 ↗ | ||
| Xiao Jin | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,970 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | Sell F | May 10, 2026 | May 12, 2026 | 2d | 1,471 | $35 | $52K | Form 4 ↗ | ||
| Xiao Jin | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | Form 4 ↗ | ||
| Xiao Jin | Sell F | May 10, 2026 | May 12, 2026 | 2d | 707 | $35 | $25K | Form 4 ↗ | ||
| Xiao Jin | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,970 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell F | May 10, 2026 | May 12, 2026 | 2d | 2,211 | $35 | $78K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Sell F | May 10, 2026 | May 12, 2026 | 2d | 1,144 | $35 | $40K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | Form 4 ↗ | ||
| Liang Charles | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Sell F | May 10, 2026 | May 12, 2026 | 2d | 2,211 | $35 | $78K | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | indirect | Form 4 ↗ | |
| Liang Charles | Sell F | May 10, 2026 | May 12, 2026 | 2d | 1,144 | $35 | $40K | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | indirect | Form 4 ↗ | |
| Cheung Kenneth | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,250 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | Sell F | May 10, 2026 | May 12, 2026 | 2d | 449 | $35 | $16K | Form 4 ↗ | ||
| Cheung Kenneth | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,250 | — | — | Form 4 ↗ | ||
| Liang Charles | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | $4 | $89K | indirect | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | $4 | $89K | Form 4 ↗ | ||
| Liaw Yih-Shyan Wally | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,400 | — | — | derivative | Form 4 ↗ | |
| Liaw Yih-Shyan Wally | Sell F | February 17, 2026 | February 19, 2026 | 2d | 1,220 | $30 | $37K | Form 4 ↗ | ||
| Liaw Yih-Shyan Wally | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,400 | — | — | Form 4 ↗ | ||
| Cheung Kenneth | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,250 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | Sell F | February 17, 2026 | February 19, 2026 | 2d | 927 | $30 | $28K | Form 4 ↗ | ||
| Cheung Kenneth | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,250 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | Sell F | February 17, 2026 | February 19, 2026 | 2d | 2,108 | $30 | $63K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | Form 4 ↗ | ||
| Liang Charles | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | Sell F | February 17, 2026 | February 19, 2026 | 2d | 2,108 | $30 | $63K | indirect | Form 4 ↗ | |
| Liang Charles | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | indirect | Form 4 ↗ |
Showing the 200 most recent of 320.
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| John Boozman | Sell | December 31, 2025 | January 13, 2026 | 13d | — | — | $1,001–$15K | joint | Senate PTR ↗ | |
| John Boozman | Buy | December 11, 2025 | January 13, 2026 | 33d | — | — | $1,001–$15K | joint | Senate PTR ↗ | |
| Gilbert Ray Cisneros, Jr. | Sell | November 12, 2025 | December 15, 2025 | 33d | — | — | $1,001–$15K | House PTR ↗ | ||
| Gilbert Ray Cisneros, Jr. | Buy | September 5, 2025 | October 10, 2025 | 35d | — | — | $1,001–$15K | House PTR ↗ |
Related stocks
Tickers traded by the same people who traded SMCI, by number of filers in common. It shows overlap in public filings and nothing else.
- UBER Uber Technologies, Inc. Common Stock 2 filers in common
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Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 2 | 2 | October 10, 2025 | December 15, 2025 | House Clerk search |
| Senate eFD, periodic transaction reports | 2 | 2 | January 13, 2026 | January 13, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 91 | 320 | November 3, 2025 | October 9, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.