Transactions
45
Insider / Super Micro Computer, Inc.
Liu Liang Chiu-Chu Sara
Director at Super Micro Computer, Inc.
- Company
- Super Micro Computer, Inc.
- Ticker
- SMCI
- First filing on record
- November 3, 2025
- Latest trade on record
- October 7, 2026
- SEC filings
- EDGAR ↗
Liu Liang Chiu-Chu Sara, Director at Super Micro Computer, Inc., has disclosed 45 transactions in SMCI since November 3, 2025: 0 purchases (0 open-market buys) and 16 sales, worth about $12.9M at the reported prices. The latest was filed October 9, 2026, 2 days after the trade; 3 filings were late against the 2-business-day Form 4 deadline.
Open-market buys
0
Sales
16
Avg. disclosure lag
2.3d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Liu Liang Chiu-Chu Sara made no purchases and 16 sales worth $13M, plus 29 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Liu Liang Chiu-Chu Sara has traded 1 stock on record; the largest by dollars is SMCI.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
2 of 14 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| M | Option exercise or conversion | 26 | 98,930 | $89K |
| F | Shares withheld for tax | 12 | 15,616 | $585K |
| S | Open-market sale | 4 | 300,000 | $12.2M |
| G | Gift | 2 | 345,000 | — |
| A | Grant or award | 1 | 7,300 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 38 | 0 | 14 · $12.6M |
| 2025 | 7 | 0 | 2 · $208K |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| SMCI | Sell S | October 7, 2026 | October 9, 2026 | 2d | 100,000 | $45 | $4.5M | 10b5-1 plan | Form 4 ↗ | |
| SMCI | Sell S | September 4, 2026 | September 8, 2026 | 4d | 100,000 | $40 | $4.0M | 10b5-1 plan | Form 4 ↗ | |
| SMCI | Sell S | September 3, 2026 | September 8, 2026 | 5d | 57,435 | $38 | $2.2M | late10b5-1 plan | Form 4 ↗ | |
| SMCI | Sell S | September 3, 2026 | September 8, 2026 | 5d | 42,565 | $37 | $1.6M | late10b5-1 plan | Form 4 ↗ | |
| SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | derivative | Form 4 ↗ | |
| SMCI | Sell F | August 17, 2026 | August 19, 2026 | 2d | 1,970 | $38 | $75K | Form 4 ↗ | ||
| SMCI | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 3,650 | — | — | Form 4 ↗ | ||
| SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | derivative | Form 4 ↗ | |
| SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | derivative | Form 4 ↗ | |
| SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 553 | $31 | $17K | Form 4 ↗ | ||
| SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 1,024 | — | — | Form 4 ↗ | ||
| SMCI | Sell F | August 10, 2026 | August 12, 2026 | 2d | 1,139 | $31 | $36K | Form 4 ↗ | ||
| SMCI | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 2,110 | — | — | Form 4 ↗ | ||
| SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | derivative | Form 4 ↗ | |
| SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | derivative | Form 4 ↗ | |
| SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | derivative | Form 4 ↗ | |
| SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 148 | $28 | $4,092 | Form 4 ↗ | ||
| SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 273 | — | — | Form 4 ↗ | ||
| SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 276 | $28 | $7,631 | Form 4 ↗ | ||
| SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 510 | — | — | Form 4 ↗ | ||
| SMCI | Sell F | July 1, 2026 | July 2, 2026 | 1d | 448 | $28 | $12K | Form 4 ↗ | ||
| SMCI | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 830 | — | — | Form 4 ↗ | ||
| SMCI | Other G | May 26, 2026 | May 28, 2026 | 2d | 340,000 | — | — | indirect | Form 4 ↗ | |
| SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | derivative | Form 4 ↗ | |
| SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | derivative | Form 4 ↗ | |
| SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 2,211 | $35 | $78K | Form 4 ↗ | ||
| SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 4,098 | — | — | Form 4 ↗ | ||
| SMCI | Sell F | May 10, 2026 | May 12, 2026 | 2d | 1,144 | $35 | $40K | Form 4 ↗ | ||
| SMCI | Option / conversion M | May 10, 2026 | May 12, 2026 | 2d | 2,120 | — | — | Form 4 ↗ | ||
| SMCI | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | — | — | derivative | Form 4 ↗ | |
| SMCI | Option / conversion M | February 27, 2026 | March 3, 2026 | 4d | 20,980 | $4 | $89K | Form 4 ↗ | ||
| SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | derivative | Form 4 ↗ | |
| SMCI | Sell F | February 17, 2026 | February 19, 2026 | 2d | 2,108 | $30 | $63K | Form 4 ↗ | ||
| SMCI | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 3,650 | — | — | Form 4 ↗ | ||
| SMCI | Option / conversion M | February 10, 2026 | February 12, 2026 | 2d | 2,110 | — | — | derivative | Form 4 ↗ | |
| SMCI | Sell F | February 10, 2026 | February 12, 2026 | 2d | 1,251 | $33 | $42K | Form 4 ↗ | ||
| SMCI | Option / conversion M | February 10, 2026 | February 12, 2026 | 2d | 2,110 | — | — | Form 4 ↗ | ||
| SMCI | Other A | February 7, 2026 | February 10, 2026 | 3d | 7,300 | — | — | derivative | Form 4 ↗ | |
| SMCI | Other G | November 26, 2025 | December 1, 2025 | 5d | 5,000 | — | — | lateindirect | Form 4 ↗ | |
| SMCI | Option / conversion M | November 10, 2025 | November 12, 2025 | 2d | 2,110 | — | — | derivative | Form 4 ↗ | |
| SMCI | Sell F | November 10, 2025 | November 12, 2025 | 2d | 1,137 | $40 | $46K | Form 4 ↗ | ||
| SMCI | Option / conversion M | November 10, 2025 | November 12, 2025 | 2d | 2,110 | — | — | Form 4 ↗ | ||
| SMCI | Option / conversion M | October 30, 2025 | November 3, 2025 | 4d | 6,000 | — | — | derivative | Form 4 ↗ | |
| SMCI | Sell F | October 30, 2025 | November 3, 2025 | 4d | 3,231 | $50 | $163K | Form 4 ↗ | ||
| SMCI | Option / conversion M | October 30, 2025 | November 3, 2025 | 4d | 6,000 | — | — | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| October 9, 2026 | Form 4 | 0001392941-26-000015 | 1 | published | EDGAR ↗ |
| September 8, 2026 | Form 4 | 0001392941-26-000014 | 3 | published | EDGAR ↗ |
| August 19, 2026 | Form 4 | 0001392941-26-000013 | 3 | published | EDGAR ↗ |
| August 12, 2026 | Form 4 | 0001392941-26-000012 | 6 | published | EDGAR ↗ |
| July 2, 2026 | Form 4 | 0001392941-26-000011 | 9 | published | EDGAR ↗ |
| May 28, 2026 | Form 4 | 0001392941-26-000010 | 1 | published | EDGAR ↗ |
| May 12, 2026 | Form 4 | 0001392941-26-000008 | 6 | published | EDGAR ↗ |
| March 3, 2026 | Form 4 | 0001392941-26-000007 | 2 | published | EDGAR ↗ |
| February 19, 2026 | Form 4 | 0001392941-26-000005 | 3 | published | EDGAR ↗ |
| February 12, 2026 | Form 4 | 0001392941-26-000004 | 3 | published | EDGAR ↗ |
| February 10, 2026 | Form 4 | 0001392941-26-000002 | 1 | published | EDGAR ↗ |
| December 1, 2025 | Form 4 | 0001392941-25-000018 | 1 | published | EDGAR ↗ |
| November 12, 2025 | Form 4 | 0001392941-25-000016 | 3 | published | EDGAR ↗ |
| November 3, 2025 | Form 4 | 0001392941-25-000014 | 3 | published | EDGAR ↗ |
Other insiders at Super Micro Computer, Inc.
- WEIGAND DAVID E SVP, Chief Financial Officer 53 rows
- Liang Charles President and CEO 45 rows
- CLEGG DON W SVP, Worldwide Sales 27 rows
- Malyala Vikranth SVP, Chief Business Officer 26 rows
- Liaw Yih-Shyan Wally Director 25 rows
- Cheung Kenneth SVP, Chief Accounting Officer 24 rows
- Xiao Jin Sr. Corporate VP, Engineering 23 rows
- KAO GEORGE SVP, OPERATIONS 20 rows
- Thauberger Matthew Insider 11 rows
- LIU TALLY C Director 6 rows
Everyone on file, with contracts and lobbying under the company's name: Super Micro Computer, Inc..
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.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 14 | 45 | 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.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.