Quick Takeaways
- SMCI - Super Micro Computer, Inc. has 19 insiders with reported activity on this page.
- Net insider value flow over the last year: -$80,609,847.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 19 Insiders of Super Micro Computer, Inc.
- Symbol
- SMCI on Nasdaq
- Location
- San Jose, CA
What Changed
- Buy value: ; sell value: $80,609,847.
- Net share flow: -1,690,934.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$80,609,847.
Buys
$0
Shares: 0
Insiders: 0
Sells
$80,609,847
Shares: 1,690,934
Insiders: 5
Net
-$80,609,847
Shares: -1,690,934
Insiders: -5
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 105,534 | $0 | $3,473,011 | -$3,473,011 |
| 6-9 | 0 | 490,000 | $0 | $27,890,981 | -$27,890,981 |
| 9-12 | 0 | 1,095,400 | $0 | $49,245,855 | -$49,245,855 |
Super Micro Computer, Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Charles Liang | President and CEO, Director, 10%+ Owner | $2,014,155,316 | -$34,489,316 | -1.7% | Mixed | 27 Feb 2026 |
| Liang Chiu-Chu Sara Liu | Director, 10%+ Owner | $2,014,155,316 | -$34,504,622 | -1.7% | Mixed | 27 Feb 2026 |
| Liaw Yih-Shyan Wally | Director | $484,303,984 | Mixed | 17 Feb 2026 | ||
| Fred Hwei-Ming Tsai | Director | $72,408,000 | Mixed | 10 May 2021 | ||
| Shiu Leung Chan | Director | $24,376,856 | Filing P/S | 01 Feb 2024 | ||
| Daniel W. Fairfax | Director | $10,251,005 | Mixed | 09 Aug 2024 | ||
| Tally C. Liu | Director | $8,410,073 | Mixed | 29 Jan 2026 | ||
| Sherman Tuan | Director | $6,996,916 | -$1,604,790 | -19% | Mixed | 26 Nov 2025 |
| Michael S. McAndrews | Director | $6,048,000 | Mixed | 10 May 2021 | ||
| George Kao | Svp, Operations | $4,524,925 | -$4,925,845 | -52% | Mixed | 24 Nov 2025 |
| David E. Weigand | SVP, Chief Financial Officer | $4,070,303 | -$5,085,275 | -56% | Mixed | 17 Feb 2026 |
| Judy L. Lin | Director | $2,785,629 | Mixed | 08 Aug 2025 | ||
| Saria Tseng | Director | $2,764,713 | Mixed | 03 Aug 2021 | ||
| Kenneth Cheung | SVP, Chief Accounting Officer | $2,295,463 | Mixed | 17 Feb 2026 | ||
| Don W. Clegg | SVP, Worldwide Sales | $1,855,556 | Mixed | 17 Feb 2026 | ||
| Susan Mogensen | Director | $312,100 | Mixed | 08 Aug 2025 | ||
| Robert L. Blair | Director | $158,183 | Mixed | 08 Aug 2025 | ||
| Scott Angel | Director | $47,819 | Mixed | 06 Feb 2026 | ||
| Jin Xiao | Sr. Corporate VP, Engineering | $1,612 | Mixed | 17 Feb 2026 |
Top shareholders of Super Micro Computer, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Charles Liang |
3/4/5
|
President and CEO, Director, 10%+ Owner |
—
mixed-class rows
|
71,733,070
mixed-class rows
|
$2,014,155,316 | -$34,489,316 | 27 Feb 2026 | |
| Liang Chiu-Chu Sara Liu |
3/4/5
|
Director, 10%+ Owner |
—
mixed-class rows
|
71,733,070
mixed-class rows
|
$2,014,155,316 | -$34,504,622 | 27 Feb 2026 | |
| VANGUARD GROUP INC |
13F
|
Company |
11%
|
68,032,047
|
$1,991,298,016 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
7%
|
41,631,507
|
$1,218,554,210 | — | 31 Dec 2025 | |
| SUSQUEHANNA SECURITIES, LLC |
13D/G
|
SIG Brokerage, LP |
4.5%
|
26,073,621
|
$938,650,356 | $0 | 31 Dec 2024 | |
| STATE STREET CORP |
13F
|
Company |
3.7%
|
22,149,952
|
$648,329,095 | — | 31 Dec 2025 | |
| Liaw Yih-Shyan Wally |
3/4/5
|
Director |
—
mixed-class rows
|
15,282,112
mixed-class rows
|
$484,303,984 | — | 17 Feb 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.3%
|
13,808,499
|
$402,626,768 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.9%
|
11,287,585
|
$330,387,667 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
1.7%
|
9,953,780
|
$291,347,139 | — | 31 Dec 2025 | |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13F
|
Company |
1.6%
|
9,637,492
|
$282,089,391 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
1.2%
|
7,410,629
|
$216,909,112 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.1%
|
6,677,412
|
$195,447,849 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.82%
|
4,887,557
|
$143,058,796 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
0.78%
|
4,665,832
|
$136,568,903 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.76%
|
4,508,440
|
$131,962,039 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.75%
|
4,487,335
|
$131,344,295 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.74%
|
4,396,455
|
$128,684,236 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.68%
|
4,052,811
|
$118,625,778 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.67%
|
3,971,392
|
$116,258,665 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.67%
|
3,956,726
|
$115,813,371 | — | 31 Dec 2025 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.62%
|
3,658,559
|
$107,086,022 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.58%
|
3,474,901
|
$101,710,352 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.52%
|
3,115,547
|
$91,192,051 | — | 31 Dec 2025 | |
| Marex Group plc |
13F
|
Company |
0.51%
|
3,014,653
|
$88,238,894 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.49%
|
2,933,436
|
$85,861,682 | — | 31 Dec 2025 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
0.43%
|
2,550,852
|
$74,663,439 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.42%
|
2,524,817
|
$73,901,380 | — | 31 Dec 2025 | |
| Fred Hwei-Ming Tsai |
3/4/5
|
Director |
—
class O/S missing
|
258,600
|
$72,408,000 | — | 10 May 2021 | |
| Amundi |
13F
|
Individual |
0.41%
|
2,421,891
|
$70,888,749 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.4%
|
2,382,761
|
$69,743,414 | — | 31 Dec 2025 | |
| NATIONAL BANK OF CANADA /FI/ |
13F
|
Company |
0.4%
|
2,368,073
|
$69,313,144 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
0.37%
|
2,229,413
|
$65,254,919 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.29%
|
1,738,665
|
$50,890,724 | — | 31 Dec 2025 | |
| Clear Street Group Inc. |
13F
|
Company |
0.29%
|
1,703,176
|
$49,851,962 | — | 31 Dec 2025 | |
| CANTOR FITZGERALD, L. P. |
13F
|
Individual |
0.26%
|
1,546,302
|
$45,260,260 | — | 31 Dec 2025 | |
| Swiss National Bank |
13F
|
Company |
0.25%
|
1,465,700
|
$42,901,039 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.24%
|
1,413,954
|
$41,386,434 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.23%
|
1,389,569
|
$40,672,000 | — | 31 Dec 2025 | |
| NEEDHAM INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.23%
|
1,380,000
|
$40,392,600 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.23%
|
1,349,207
|
$39,490,000 | — | 31 Dec 2025 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
|
Company |
0.21%
|
1,256,784
|
$36,786,068 | — | 31 Dec 2025 | |
| Belvedere Trading LLC |
13F
|
Company |
0.21%
|
1,254,996
|
$36,733,733 | — | 31 Dec 2025 | |
| IMC-Chicago, LLC |
13F
|
Company |
0.21%
|
1,230,754
|
$36,024,170 | — | 31 Dec 2025 | |
| Mitsubishi UFJ Asset Management Co., Ltd. |
13F
|
Company |
0.19%
|
1,141,658
|
$35,345,732 | — | 31 Dec 2025 | |
| HSBC HOLDINGS PLC |
13F
|
Company |
0.19%
|
1,134,891
|
$33,202,609 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.19%
|
1,100,502
|
$32,211,710 | — | 31 Dec 2025 | |
| NATIXIS |
13F
|
Company |
0.18%
|
1,075,509
|
$31,480,148 | — | 31 Dec 2025 | |
| MUFG Securities EMEA plc |
13F
|
Company |
0.18%
|
1,050,076
|
$30,735,725 | — | 31 Dec 2025 | |
| PEAK6 LLC |
13F
|
Company |
0.17%
|
1,012,228
|
$29,627,914 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for Super Micro Computer, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Charles Liang | SMCI | Common Stock | Options Exercise | 3.44% | 20,980 | 630,780 | 27 Feb 2026 | By Spouse | ||
| Charles Liang | SMCI | Employee Stock Option (right to buy) | Options Exercise | -100% | -20,980 | 0 | 27 Feb 2026 | By Spouse | ||
| Liang Chiu-Chu Sara Liu | SMCI | Common Stock | Options Exercise | 3.44% | 20,980 | 630,780 | 27 Feb 2026 | Direct | ||
| Liang Chiu-Chu Sara Liu | SMCI | Employee Stock Option (right to buy) | Options Exercise | -100% | -20,980 | 0 | 27 Feb 2026 | Direct | ||
| Liaw Yih-Shyan Wally | SMCI | Common Stock | Tax liability | -1.27% | -1,220 | 94,492 | 17 Feb 2026 | Direct | ||
| Liaw Yih-Shyan Wally | SMCI | Common Stock | Options Exercise | 3.68% | 3,400 | 95,712 | 17 Feb 2026 | Direct | ||
| Liaw Yih-Shyan Wally | SMCI | Restricted Stock Units | Options Exercise | -50% | -3,400 | 3,400 | 17 Feb 2026 | Direct | ||
| Kenneth Cheung | SMCI | Common Stock | Tax liability | -1.56% | -927 | 58,530 | 17 Feb 2026 | Direct | ||
| Kenneth Cheung | SMCI | Common Stock | Options Exercise | 3.93% | 2,250 | 59,457 | 17 Feb 2026 | Direct | ||
| Kenneth Cheung | SMCI | Restricted Stock Units | Options Exercise | -50% | -2,250 | 2,250 | 17 Feb 2026 | Direct | ||
| Liang Chiu-Chu Sara Liu | SMCI | Common Stock | Tax liability | -0.34% | -2,108 | 609,800 | 17 Feb 2026 | Direct | ||
| Liang Chiu-Chu Sara Liu | SMCI | Common Stock | Options Exercise | 0.6% | 3,650 | 611,908 | 17 Feb 2026 | Direct | ||
| Liang Chiu-Chu Sara Liu | SMCI | Restricted Stock Units | Options Exercise | -50% | -3,650 | 3,650 | 17 Feb 2026 | Direct | ||
| Charles Liang | SMCI | Common Stock | Tax liability | -0.34% | -2,108 | 609,800 | 17 Feb 2026 | By Spouse | ||
| Charles Liang | SMCI | Common Stock | Options Exercise | 0.6% | 3,650 | 611,908 | 17 Feb 2026 | By Spouse | ||
| Charles Liang | SMCI | Restricted Stock Units | Options Exercise | -50% | -3,650 | 3,650 | 17 Feb 2026 | By Spouse | ||
| Don W. Clegg | SMCI | Common Stock | Tax liability | -1.44% | -716 | 49,059 | 17 Feb 2026 | Direct | ||
| Don W. Clegg | SMCI | Common Stock | Options Exercise | 3.64% | 1,750 | 49,775 | 17 Feb 2026 | Direct | ||
| Don W. Clegg | SMCI | Restricted Stock Units | Options Exercise | -50% | -1,750 | 1,750 | 17 Feb 2026 | Direct | ||
| David E. Weigand | SMCI | Common Stock | Tax liability | -1.98% | -2,333 | 115,246 | 17 Feb 2026 | Direct | ||
| David E. Weigand | SMCI | Common Stock | Options Exercise | 5.85% | 6,500 | 117,579 | 17 Feb 2026 | Direct | ||
| David E. Weigand | SMCI | Restricted Stock Units | Options Exercise | -50% | -6,500 | 6,500 | 17 Feb 2026 | Direct | ||
| Liaw Yih-Shyan Wally | SMCI | Common Stock | Tax liability | -3.98% | -3,684 | 88,974 | 10 Feb 2026 | Direct | ||
| Liaw Yih-Shyan Wally | SMCI | Common Stock | Options Exercise | 11.5% | 9,598 | 93,344 | 10 Feb 2026 | Direct | ||
| Liaw Yih-Shyan Wally | SMCI | Restricted Stock Units | Options Exercise | -52.3% | -9,598 | 8,750 | 10 Feb 2026 | Direct | ||
| Don W. Clegg | SMCI | Common Stock | Tax liability | -1.98% | -953 | 47,267 | 10 Feb 2026 | Direct | ||
| Don W. Clegg | SMCI | Common Stock | Options Exercise | 4.99% | 2,310 | 48,557 | 10 Feb 2026 | Direct | ||
| Don W. Clegg | SMCI | Restricted Stock Units | Options Exercise | -69.4% | -2,310 | 1,020 | 10 Feb 2026 | Direct | ||
| Charles Liang | SMCI | Common Stock | Tax liability | -0.21% | -1,251 | 608,258 | 10 Feb 2026 | By Spouse | ||
| Charles Liang | SMCI | Common Stock | Options Exercise | 0.35% | 2,110 | 609,509 | 10 Feb 2026 | By Spouse | ||
| Charles Liang | SMCI | Restricted Stock Units | Options Exercise | -16.6% | -2,110 | 10,570 | 10 Feb 2026 | By Spouse | ||
| David E. Weigand | SMCI | Common Stock | Tax liability | -1.53% | -1,709 | 110,208 | 10 Feb 2026 | Direct | ||
| David E. Weigand | SMCI | Common Stock | Options Exercise | 3.86% | 4,150 | 111,688 | 10 Feb 2026 | Direct | ||
| David E. Weigand | SMCI | Restricted Stock Units | Options Exercise | -60.8% | -4,150 | 2,680 | 10 Feb 2026 | Direct | ||
| Jin Xiao | SMCI | Common Stock | Tax liability | -0.44% | -812 | 183,747 | 10 Feb 2026 | Direct | ||
| Jin Xiao | SMCI | Common Stock | Options Exercise | 1.08% | 1,970 | 184,559 | 10 Feb 2026 | Direct | ||
| Jin Xiao | SMCI | Restricted Stock Units | Options Exercise | -16.7% | -1,970 | 9,850 | 10 Feb 2026 | Direct | ||
| Kenneth Cheung | SMCI | Common Stock | Tax liability | -0.89% | -515 | 57,207 | 10 Feb 2026 | Direct | ||
| Kenneth Cheung | SMCI | Common Stock | Options Exercise | 2.21% | 1,250 | 57,722 | 10 Feb 2026 | Direct | ||
| Kenneth Cheung | SMCI | Restricted Stock Units | Options Exercise | -14.3% | -1,250 | 7,500 | 10 Feb 2026 | Direct | ||
| Liang Chiu-Chu Sara Liu | SMCI | Common Stock | Tax liability | -0.21% | -1,251 | 608,258 | 10 Feb 2026 | Direct | ||
| Liang Chiu-Chu Sara Liu | SMCI | Common Stock | Options Exercise | 0.35% | 2,110 | 609,509 | 10 Feb 2026 | Direct | ||
| Liang Chiu-Chu Sara Liu | SMCI | Restricted Stock Units | Options Exercise | -16.6% | -2,110 | 10,570 | 10 Feb 2026 | Direct | ||
| Jin Xiao | SMCI | Restricted Stock Units | Award | 8,000 | 8,000 | 07 Feb 2026 | Direct | |||
| David E. Weigand | SMCI | Restricted Stock Units | Award | 13,000 | 13,000 | 07 Feb 2026 | Direct | |||
| Liang Chiu-Chu Sara Liu | SMCI | Restricted Stock Units | Award | 7,300 | 7,300 | 07 Feb 2026 | Direct | |||
| Charles Liang | SMCI | Restricted Stock Units | Award | 7,300 | 7,300 | 07 Feb 2026 | By Spouse | |||
| Don W. Clegg | SMCI | Restricted Stock Units | Award | 3,500 | 3,500 | 07 Feb 2026 | Direct | |||
| Kenneth Cheung | SMCI | Restricted Stock Units | Award | 4,500 | 4,500 | 07 Feb 2026 | Direct | |||
| Liaw Yih-Shyan Wally | SMCI | Restricted Stock Units | Award | 6,800 | 6,800 | 07 Feb 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.