Company / CIK 0001375365
Super Micro Computer, Inc.
- Ticker
- SMCI
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on file
- 16
- Members of Congress who traded it
- 2
- Federal contracts on record
- none matched
- Lobbying filings on record
- 6
- SEC filings
- EDGAR ↗
- Latest trade on record
- October 7, 2026
Super Micro Computer, Inc. (SMCI) has 16 insiders on file who disclosed 320 transactions in the last 12 months (0 open-market buys, 90 sales, about $33.1M at reported prices), and 4 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 4 lobbying filings naming it as client report $1.1M in 2026.
Super Micro Computer, Inc. in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in Super Micro Computer, Inc. over the last 12 months; the most active is Liu Liang Chiu-Chu Sara with $13M.
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
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Liang Charles | President and CEO | 45 | 0 | 12 | October 9, 2026 |
| Liu Liang Chiu-Chu Sara | Director | 45 | 0 | 16 | October 9, 2026 |
| WEIGAND DAVID E | SVP, Chief Financial Officer | 53 | 0 | 16 | August 31, 2026 |
| Xiao Jin | Sr. Corporate VP, Engineering | 23 | 0 | 7 | August 31, 2026 |
| Malyala Vikranth | SVP, Chief Business Officer | 26 | 0 | 8 | August 31, 2026 |
| Cheung Kenneth | SVP, Chief Accounting Officer | 24 | 0 | 7 | August 19, 2026 |
| Thauberger Matthew | Insider | 11 | 0 | 3 | August 19, 2026 |
| TUAN SHERMAN | Director | 2 | 0 | 1 | August 18, 2026 |
| LIU TALLY C | Director | 6 | 0 | 0 | August 18, 2026 |
| Angel Scott | Director | 4 | 0 | 0 | August 18, 2026 |
| Mogensen Susan | Director | 3 | 0 | 0 | August 18, 2026 |
| Lin Judy L. | Director | 3 | 0 | 0 | August 18, 2026 |
| BLAIR ROBERT L | Director | 3 | 0 | 0 | August 18, 2026 |
| CLEGG DON W | SVP, Worldwide Sales | 27 | 0 | 8 | May 12, 2026 |
| Liaw Yih-Shyan Wally | Director | 25 | 0 | 8 | February 19, 2026 |
| KAO GEORGE | SVP, OPERATIONS | 20 | 0 | 4 | November 26, 2025 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded SMCI
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the SMCI page.
| 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 | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Liang Charles | SMCI | 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 | SMCI | Sell S | October 7, 2026 | October 9, 2026 | 2d | 100,000 | $45 | $4.5M | 10b5-1 plan | Form 4 ↗ | |
| Liang Charles | SMCI | Other S | September 4, 2026 | September 8, 2026 | 4d | 100,000 | $40 | $4.0M | 10b5-1 planindirectalso in another filing | Form 4 ↗ | |
| Liang Charles | SMCI | Other S | September 3, 2026 | September 8, 2026 | 5d | 57,435 | $38 | $2.2M | late10b5-1 planindirectalso in another filing | Form 4 ↗ | |
| Liang Charles | SMCI | 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 | SMCI | Sell S | September 4, 2026 | September 8, 2026 | 4d | 100,000 | $40 | $4.0M | 10b5-1 plan | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Sell S | September 3, 2026 | September 8, 2026 | 5d | 57,435 | $38 | $2.2M | late10b5-1 plan | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Sell S | September 3, 2026 | September 8, 2026 | 5d | 42,565 | $37 | $1.6M | late10b5-1 plan | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Other A | August 27, 2026 | August 31, 2026 | 4d | 24,093 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Other A | August 27, 2026 | August 31, 2026 | 4d | 8,060 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | SMCI | Other A | August 27, 2026 | August 31, 2026 | 4d | 2,112 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 4,000 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | SMCI | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,436 | $38 | $55K | Form 4 ↗ | ||
| Xiao Jin | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 4,000 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 6,500 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Sell F | August 17, 2026 | August 19, 2026 | 2d | 3,308 | $38 | $127K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 6,500 | — | — | Form 4 ↗ | ||
| Thauberger Matthew | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 2,250 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | SMCI | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,145 | $38 | $44K | Form 4 ↗ | ||
| Thauberger Matthew | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 2,250 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 6,000 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Sell F | August 17, 2026 | August 19, 2026 | 2d | 3,053 | $38 | $117K | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 6,000 | — | — | Form 4 ↗ | ||
| Liang Charles | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,970 | $38 | $75K | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | indirect | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,970 | $38 | $75K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 2,250 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | SMCI | Sell F | August 17, 2026 | August 19, 2026 | 2d | 808 | $38 | $31K | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 2,250 | — | — | Form 4 ↗ | ||
| Thauberger Matthew | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 21,938 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 9,872 | — | — | derivative | Form 4 ↗ | |
| LIU TALLY C | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 5,062 | — | — | derivative | Form 4 ↗ | |
| LIU TALLY C | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 3,941 | — | — | derivative | Form 4 ↗ | |
| TUAN SHERMAN | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 10,125 | — | — | derivative | Form 4 ↗ | |
| BLAIR ROBERT L | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 7,882 | — | — | derivative | Form 4 ↗ | |
| Mogensen Susan | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 7,882 | — | — | derivative | Form 4 ↗ | |
| Lin Judy L. | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 7,882 | — | — | derivative | Form 4 ↗ | |
| Angel Scott | SMCI | Other A | August 14, 2026 | August 18, 2026 | 4d | 7,882 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 430 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 740 | — | — | derivative | Form 4 ↗ | |
| Thauberger Matthew | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 219 | $31 | $6,890 | Form 4 ↗ | ||
| Thauberger Matthew | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 430 | — | — | Form 4 ↗ | ||
| Thauberger Matthew | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 377 | $31 | $12K | Form 4 ↗ | ||
| Thauberger Matthew | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 740 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,138 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 580 | $31 | $18K | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,138 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,074 | $31 | $34K | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | Form 4 ↗ | ||
| Xiao Jin | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,970 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 368 | $31 | $12K | Form 4 ↗ | ||
| Xiao Jin | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | Form 4 ↗ | ||
| Xiao Jin | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 707 | $31 | $22K | Form 4 ↗ | ||
| Xiao Jin | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,970 | — | — | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 3,429 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,250 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,231 | $31 | $39K | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 3,429 | — | — | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 449 | $31 | $14K | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,250 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 553 | $31 | $17K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,139 | $31 | $36K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | Form 4 ↗ | ||
| Liang Charles | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 553 | $31 | $17K | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,139 | $31 | $36K | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | indirect | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,480 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 754 | $31 | $24K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,480 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 148 | $28 | $4,092 | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 276 | $28 | $7,631 | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 448 | $28 | $12K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,164 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 2,991 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,080 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 5,110 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 9,380 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 593 | $28 | $16K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,164 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 1,522 | $28 | $42K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 2,991 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 550 | $28 | $15K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,080 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 2,600 | $28 | $72K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 5,110 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 4,773 | $28 | $132K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 9,380 | — | — | Form 4 ↗ | ||
| Liang Charles | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 148 | $28 | $4,092 | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 276 | $28 | $7,631 | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 448 | $28 | $12K | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | indirect | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 507 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,413 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,220 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 4,600 | — | — | derivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 258 | $28 | $7,134 | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 507 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 719 | $28 | $20K | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,413 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 621 | $28 | $17K | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,220 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 2,341 | $28 | $65K | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 4,600 | — | — | Form 4 ↗ | ||
| BLAIR ROBERT L | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | derivative | Form 4 ↗ | |
| BLAIR ROBERT L | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | Form 4 ↗ | ||
| Angel Scott | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | derivative | Form 4 ↗ | |
| Angel Scott | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | Form 4 ↗ | ||
| Lin Judy L. | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | derivative | Form 4 ↗ | |
| Lin Judy L. | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | Form 4 ↗ | ||
| LIU TALLY C | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 2,691 | — | — | derivative | Form 4 ↗ | |
| LIU TALLY C | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 2,691 | — | — | Form 4 ↗ | ||
| Mogensen Susan | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | derivative | Form 4 ↗ | |
| Mogensen Susan | SMCI | Option / conversion M | June 30, 2026 | July 2, 2026 | 2d | 5,383 | — | — | Form 4 ↗ | ||
| Malyala Vikranth | SMCI | Option / conversion M | June 17, 2026 | June 22, 2026 | 5d | 7,500 | — | — | latederivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Other A | June 17, 2026 | June 22, 2026 | 5d | 15,000 | — | — | latederivative | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Sell F | June 17, 2026 | June 22, 2026 | 5d | 2,825 | $28 | $78K | late | Form 4 ↗ | |
| Malyala Vikranth | SMCI | Option / conversion M | June 17, 2026 | June 22, 2026 | 5d | 7,500 | — | — | late | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | June 17, 2026 | June 22, 2026 | 5d | 5,000 | — | — | latederivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Other A | June 17, 2026 | June 22, 2026 | 5d | 10,000 | — | — | latederivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Sell F | June 17, 2026 | June 22, 2026 | 5d | 1,794 | $28 | $50K | late | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | June 17, 2026 | June 22, 2026 | 5d | 5,000 | — | — | late | Form 4 ↗ | |
| Cheung Kenneth | SMCI | Other A | July 29, 2025 | June 12, 2026 | 318d | 13,718 | — | — | latederivative | Form 4 ↗ | |
| Cheung Kenneth | SMCI | Other A | July 29, 2025 | June 12, 2026 | 318d | 30,486 | — | — | latederivative | Form 4 ↗ | |
| Liang Charles | SMCI | Other G | May 26, 2026 | May 28, 2026 | 2d | 340,000 | — | — | indirect | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Other G | May 26, 2026 | May 28, 2026 | 2d | 340,000 | — | — | indirect | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,490 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,680 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Other A | May 8, 2026 | May 12, 2026 | 4d | 13,780 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Other A | May 8, 2026 | May 12, 2026 | 4d | 30,622 | — | — | derivative | Form 4 ↗ | |
| WEIGAND DAVID E | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 535 | $35 | $19K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,490 | — | — | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 962 | $35 | $34K | Form 4 ↗ | ||
| WEIGAND DAVID E | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,680 | — | — | Form 4 ↗ | ||
| CLEGG DON W | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,290 | — | — | derivative | Form 4 ↗ | |
| CLEGG DON W | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,020 | — | — | derivative | Form 4 ↗ | |
| CLEGG DON W | SMCI | Other A | May 8, 2026 | May 12, 2026 | 4d | 5,598 | — | — | derivative | Form 4 ↗ | |
| CLEGG DON W | SMCI | Other A | May 8, 2026 | May 12, 2026 | 4d | 12,440 | — | — | derivative | Form 4 ↗ | |
| CLEGG DON W | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 463 | $35 | $16K | Form 4 ↗ | ||
| CLEGG DON W | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,290 | — | — | Form 4 ↗ | ||
| CLEGG DON W | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 366 | $35 | $13K | Form 4 ↗ | ||
| CLEGG DON W | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,020 | — | — | Form 4 ↗ | ||
| Xiao Jin | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,970 | — | — | derivative | Form 4 ↗ | |
| Xiao Jin | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 1,471 | $35 | $52K | Form 4 ↗ | ||
| Xiao Jin | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | Form 4 ↗ | ||
| Xiao Jin | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 707 | $35 | $25K | Form 4 ↗ | ||
| Xiao Jin | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,970 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 2,211 | $35 | $78K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 1,144 | $35 | $40K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | Form 4 ↗ | ||
| Liang Charles | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 2,211 | $35 | $78K | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 1,144 | $35 | $40K | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | indirect | Form 4 ↗ | |
| Cheung Kenneth | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,250 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 449 | $35 | $16K | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 1,250 | — | — | Form 4 ↗ | ||
| Liang Charles | SMCI | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | $4 | $89K | indirect | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | $4 | $89K | Form 4 ↗ | ||
| Liaw Yih-Shyan Wally | SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,400 | — | — | derivative | Form 4 ↗ | |
| Liaw Yih-Shyan Wally | SMCI | Sell F | February 17, 2026 | February 19, 2026 | 2d | 1,220 | $30 | $37K | Form 4 ↗ | ||
| Liaw Yih-Shyan Wally | SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,400 | — | — | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,250 | — | — | derivative | Form 4 ↗ | |
| Cheung Kenneth | SMCI | Sell F | February 17, 2026 | February 19, 2026 | 2d | 927 | $30 | $28K | Form 4 ↗ | ||
| Cheung Kenneth | SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,250 | — | — | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | derivative | Form 4 ↗ | |
| Liu Liang Chiu-Chu Sara | SMCI | Sell F | February 17, 2026 | February 19, 2026 | 2d | 2,108 | $30 | $63K | Form 4 ↗ | ||
| Liu Liang Chiu-Chu Sara | SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | Form 4 ↗ | ||
| Liang Charles | SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | indirectderivative | Form 4 ↗ | |
| Liang Charles | SMCI | Sell F | February 17, 2026 | February 19, 2026 | 2d | 2,108 | $30 | $63K | indirect | Form 4 ↗ | |
| Liang Charles | SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | indirect | Form 4 ↗ |
Showing the 200 most recent of 320.
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "Super Micro Computer, Inc.". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
| Period | Registrant | Primary issue | Amount | Source |
|---|---|---|---|---|
| 2026 Q2 | SUPER MICRO COMPUTER, INC. | — | $930,000 | LDA ↗ |
| 2026 Q2 | INVARIANT LLC | Trade (domestic/foreign) | $100,000 | LDA ↗ |
| 2026 Q2 | INVARIANT LLC | Computer Industry | — | LDA ↗ |
| 2026 Q1 | SUPER MICRO COMPUTER, INC. | Trade (domestic/foreign) | $20,000 | LDA ↗ |
| 2025 Q4 | SUPER MICRO COMPUTER, INC. | Trade (domestic/foreign) | $10,000 | LDA ↗ |
| 2025 Q3 | SUPER MICRO COMPUTER, INC. | — | — | LDA ↗ |
Related companies
Companies whose stock was traded by the same people who traded SMCI, by number of filers in common. It shows overlap in public filings and nothing else.
- Uber Technologies, Inc UBER 2 filers in common
- Arista Networks, Inc. ANET 2 filers in common
- Meta Platforms, Inc. META 2 filers in common
- MICRON TECHNOLOGY INC MU 2 filers in common
- NETFLIX INC NFLX 2 filers in common
- ADOBE INC. ADBE 2 filers in common
- ELI LILLY & Co LLY 2 filers in common
- NVIDIA CORP NVDA 2 filers in common
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.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Lobbying disclosure reports Reports are due about 20 days after each quarter ends.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
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 |
| Lobbying disclosure filings | 6 filings | — | — | — | LDA.gov search |
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.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.