Super Micro Computer, Inc. (SMCI) insider trading.
In Q3 2026, insiders at Super Micro Computer, Inc. reported 81 non-derivative transactions on 36 Forms 3, 4 and 5: 0 open-market purchases and 6 sales worth $15.4M.
- Transactions
- 81
- Purchases (P)
- 0
- Sales (S)
- 6
- Net shares, P minus S
- -400,000
- Insiders
- 12
- Last filed
- 2026-09-08
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Liu Liang Chiu-Chu Sara | Director, TenPercentOwner | 15 | 0 | 3 |
| Liang Charles | Director, Officer, TenPercentOwner · President and CEO | 15 | 0 | 3 |
| Weigand David E | Officer · SVP, Chief Financial Officer | 14 | 0 | 0 |
| Malyala Vikranth | Officer · SVP, Chief Business Officer | 14 | 0 | 0 |
| Cheung Kenneth | Officer · SVP, Chief Accounting Officer | 6 | 0 | 0 |
| Xiao Jin | Officer · Sr. Corporate VP, Engineering | 6 | 0 | 0 |
| Thauberger Matthew | Officer · Chief Revenue Officer | 6 | 0 | 0 |
| Blair Robert L | Director | 1 | 0 | 0 |
| Liu Tally C | Director | 1 | 0 | 0 |
| Lin Judy L. | Director | 1 | 0 | 0 |
| Mogensen Susan | Director | 1 | 0 | 0 |
| Angel Scott | Director | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-04 | Liu Liang Chiu-Chu Sara | S (D) | 100,000 | $40 | 437,506 | Form 4 |
| 2026-09-04 | Liang Charles | S (D) | 100,000 | $40 | 437,506 | Form 4 |
| 2026-09-03 | Liu Liang Chiu-Chu Sara | S (D) | 42,565 | $36.6 | 594,941 | Form 4 |
| 2026-09-03 | Liu Liang Chiu-Chu Sara | S (D) | 57,435 | $37.62 | 537,506 | Form 4 |
| 2026-09-03 | Liang Charles | S (D) | 57,435 | $37.62 | 537,506 | Form 4 |
| 2026-09-03 | Liang Charles | S (D) | 42,565 | $36.6 | 594,941 | Form 4 |
| 2026-08-17 | Liu Liang Chiu-Chu Sara | F (D) | 1,970 | $38.28 | 637,506 | Form 4 |
| 2026-08-17 | Liu Liang Chiu-Chu Sara | M (A) | 3,650 | — | 639,476 | Form 4 |
| 2026-08-17 | Liang Charles | F (D) | 1,970 | $38.28 | 637,506 | Form 4 |
| 2026-08-17 | Liang Charles | M (A) | 3,650 | — | 639,476 | Form 4 |
| 2026-08-17 | Cheung Kenneth | F (D) | 808 | $38.28 | 63,772 | Form 4 |
| 2026-08-17 | Cheung Kenneth | M (A) | 2,250 | — | 64,580 | Form 4 |
| 2026-08-17 | Weigand David E | M (A) | 6,500 | — | 138,038 | Form 4 |
| 2026-08-17 | Weigand David E | F (D) | 3,308 | $38.28 | 134,730 | Form 4 |
| 2026-08-17 | Xiao Jin | M (A) | 4,000 | — | 196,022 | Form 4 |
| 2026-08-17 | Xiao Jin | F (D) | 1,436 | $38.28 | 194,586 | Form 4 |
| 2026-08-17 | Malyala Vikranth | M (A) | 6,000 | — | 50,930 | Form 4 |
| 2026-08-17 | Malyala Vikranth | F (D) | 3,053 | $38.28 | 47,877 | Form 4 |
| 2026-08-17 | Thauberger Matthew | F (D) | 1,145 | $38.28 | 6,487 | Form 4 |
| 2026-08-17 | Thauberger Matthew | M (A) | 2,250 | — | 7,632 | Form 4 |
| 2026-08-10 | Liu Liang Chiu-Chu Sara | F (D) | 553 | $31.46 | 635,826 | Form 4 |
| 2026-08-10 | Liu Liang Chiu-Chu Sara | F (D) | 1,139 | $31.46 | 635,355 | Form 4 |
| 2026-08-10 | Liu Liang Chiu-Chu Sara | M (A) | 2,110 | — | 636,494 | Form 4 |
| 2026-08-10 | Liu Liang Chiu-Chu Sara | M (A) | 1,024 | — | 636,379 | Form 4 |
| 2026-08-10 | Liang Charles | M (A) | 2,110 | — | 636,494 | Form 4 |
| 2026-08-10 | Liang Charles | F (D) | 553 | $31.46 | 635,826 | Form 4 |
| 2026-08-10 | Liang Charles | M (A) | 1,024 | — | 636,379 | Form 4 |
| 2026-08-10 | Liang Charles | F (D) | 1,139 | $31.46 | 635,355 | Form 4 |
| 2026-08-10 | Cheung Kenneth | M (A) | 1,250 | — | 60,581 | Form 4 |
| 2026-08-10 | Cheung Kenneth | F (D) | 1,231 | $31.46 | 62,330 | Form 4 |
| 2026-08-10 | Cheung Kenneth | F (D) | 449 | $31.46 | 60,132 | Form 4 |
| 2026-08-10 | Cheung Kenneth | M (A) | 3,429 | — | 63,561 | Form 4 |
| 2026-08-10 | Weigand David E | F (D) | 754 | $31.46 | 131,538 | Form 4 |
| 2026-08-10 | Weigand David E | M (A) | 1,480 | — | 132,292 | Form 4 |
| 2026-08-10 | Xiao Jin | M (A) | 1,970 | — | 192,073 | Form 4 |
| 2026-08-10 | Xiao Jin | F (D) | 707 | $31.46 | 191,366 | Form 4 |
| 2026-08-10 | Xiao Jin | M (A) | 1,024 | — | 192,390 | Form 4 |
| 2026-08-10 | Xiao Jin | F (D) | 368 | $31.46 | 192,022 | Form 4 |
| 2026-08-10 | Malyala Vikranth | M (A) | 1,138 | — | 45,510 | Form 4 |
| 2026-08-10 | Malyala Vikranth | F (D) | 1,074 | $31.46 | 44,372 | Form 4 |
| 2026-08-10 | Malyala Vikranth | M (A) | 2,110 | — | 45,446 | Form 4 |
| 2026-08-10 | Malyala Vikranth | F (D) | 580 | $31.46 | 44,930 | Form 4 |
| 2026-08-10 | Thauberger Matthew | M (A) | 740 | — | 5,548 | Form 4 |
| 2026-08-10 | Thauberger Matthew | M (A) | 430 | — | 5,601 | Form 4 |
| 2026-08-10 | Thauberger Matthew | F (D) | 219 | $31.46 | 5,382 | Form 4 |
| 2026-08-10 | Thauberger Matthew | F (D) | 377 | $31.46 | 5,171 | Form 4 |
| 2026-07-01 | Liu Liang Chiu-Chu Sara | F (D) | 276 | $27.65 | 634,259 | Form 4 |
| 2026-07-01 | Liu Liang Chiu-Chu Sara | M (A) | 273 | — | 634,532 | Form 4 |
| 2026-07-01 | Liu Liang Chiu-Chu Sara | F (D) | 148 | $27.65 | 634,384 | Form 4 |
| 2026-07-01 | Liu Liang Chiu-Chu Sara | F (D) | 448 | $27.65 | 634,025 | Form 4 |
| 2026-07-01 | Liu Liang Chiu-Chu Sara | M (A) | 830 | — | 634,473 | Form 4 |
| 2026-07-01 | Liu Liang Chiu-Chu Sara | M (A) | 510 | — | 634,535 | Form 4 |
| 2026-07-01 | Liang Charles | F (D) | 148 | $27.65 | 634,384 | Form 4 |
| 2026-07-01 | Liang Charles | M (A) | 273 | — | 634,532 | Form 4 |
| 2026-07-01 | Liang Charles | F (D) | 276 | $27.65 | 634,259 | Form 4 |
| 2026-07-01 | Liang Charles | M (A) | 510 | — | 634,535 | Form 4 |
| 2026-07-01 | Liang Charles | F (D) | 448 | $27.65 | 634,025 | Form 4 |
| 2026-07-01 | Liang Charles | M (A) | 830 | — | 634,473 | Form 4 |
| 2026-07-01 | Weigand David E | M (A) | 2,991 | — | 131,763 | Form 4 |
| 2026-07-01 | Weigand David E | F (D) | 550 | $27.65 | 128,772 | Form 4 |
| 2026-07-01 | Weigand David E | M (A) | 1,164 | — | 131,405 | Form 4 |
| 2026-07-01 | Weigand David E | F (D) | 593 | $27.65 | 130,812 | Form 4 |
| 2026-07-01 | Weigand David E | F (D) | 1,522 | $27.65 | 130,241 | Form 4 |
| 2026-07-01 | Weigand David E | M (A) | 1,080 | — | 129,322 | Form 4 |
| 2026-07-01 | Weigand David E | F (D) | 2,600 | $27.65 | 128,242 | Form 4 |
| 2026-07-01 | Weigand David E | M (A) | 5,110 | — | 130,842 | Form 4 |
| 2026-07-01 | Weigand David E | F (D) | 4,773 | $27.65 | 125,732 | Form 4 |
| 2026-07-01 | Weigand David E | M (A) | 9,380 | — | 130,505 | Form 4 |
| 2026-07-01 | Malyala Vikranth | F (D) | 258 | $27.65 | 43,336 | Form 4 |
| 2026-07-01 | Malyala Vikranth | M (A) | 507 | — | 43,594 | Form 4 |
| 2026-07-01 | Malyala Vikranth | F (D) | 719 | $27.65 | 43,087 | Form 4 |
| 2026-07-01 | Malyala Vikranth | M (A) | 1,413 | — | 43,806 | Form 4 |
| 2026-07-01 | Malyala Vikranth | M (A) | 1,220 | — | 43,014 | Form 4 |
| 2026-07-01 | Malyala Vikranth | F (D) | 2,341 | $27.65 | 41,794 | Form 4 |
| 2026-07-01 | Malyala Vikranth | M (A) | 4,600 | — | 44,135 | Form 4 |
| 2026-07-01 | Malyala Vikranth | F (D) | 621 | $27.65 | 42,393 | Form 4 |
| 2026-06-30 | Blair Robert L | M (A) | 5,383 | — | 6,963 | Form 4 |
| 2026-06-30 | Liu Tally C | M (A) | 2,691 | — | 288,738 | Form 4 |
| 2026-06-30 | Lin Judy L. | M (A) | 5,383 | — | 60,323 | Form 4 |
| 2026-06-30 | Mogensen Susan | M (A) | 5,383 | — | 8,663 | Form 4 |
| 2026-06-30 | Angel Scott | M (A) | 5,383 | — | 7,055 | Form 4 |
Transaction codes in this quarter
Get SMCI insider transactions through the API
Request with your API key
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1375365&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · SMCI company page · Super Micro Computer, Inc. on SEC.gov
Questions
Are insiders buying or selling Super Micro Computer, Inc. (SMCI)?
In Q3 2026, insiders at Super Micro Computer, Inc. reported 81 non-derivative transactions on 36 Forms 3, 4 and 5: 0 open-market purchases and 6 sales worth $15.4M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Super Micro Computer, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.
Plain-text version for agents and LLMs: /insider-trading/smci.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.