SMCI
insider transactionsSuper Micro Computer, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Other·G
Director, 10% Owner
$0
340.0K sh
Own -1%
-
Other·G
Charles Liang KEY
President and CEO
$0
340.0K sh
Own -1%
-
Exercise·M
Sr. Corporate VP, Engineering
$0
4.1K sh
Own +50%
-
Exercise·M
Sr. Corporate VP, Engineering
$0
2.0K sh
Own +33%
-
Other·F
Sr. Corporate VP, Engineering
$52.0K
1.5K sh · $35.37
Own -1%
-
Exercise·M
Sr. Corporate VP, Engineering
—
4.1K sh
Own +2%
-
Other·F
Sr. Corporate VP, Engineering
$25.0K
707 sh · $35.37
Own -0%
-
Exercise·M
Sr. Corporate VP, Engineering
—
2.0K sh
Own +1%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
$0
1.5K sh
Own +14%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
$0
2.7K sh
Own New
-
Other·F
David E Weigand KEY
SVP, Chief Financial Officer
$18.9K
535 sh · $35.37
Own -0%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
—
1.5K sh
Own +1%
-
Other·F
David E Weigand KEY
SVP, Chief Financial Officer
$34.0K
962 sh · $35.37
Own -1%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
—
2.7K sh
Own +2%
-
Exercise·M
Director, 10% Owner
$0
4.1K sh
Own +50%
-
Exercise·M
Director, 10% Owner
$0
2.1K sh
Own +33%
-
Other·F
Director, 10% Owner
$78.2K
2.2K sh · $35.37
Own -0%
-
Exercise·M
Director, 10% Owner
—
4.1K sh
Own +1%
-
Other·F
Director, 10% Owner
$40.5K
1.1K sh · $35.37
Own -0%
-
Exercise·M
Director, 10% Owner
—
2.1K sh
Own +0%
-
Exercise·M
Charles Liang KEY
President and CEO
$0
4.1K sh
Own +50%
-
Exercise·M
Charles Liang KEY
President and CEO
$0
2.1K sh
Own +33%
-
Other·F
Charles Liang KEY
President and CEO
$78.2K
2.2K sh · $35.37
Own -0%
-
Exercise·M
Charles Liang KEY
President and CEO
—
4.1K sh
Own +1%
-
Other·F
Charles Liang KEY
President and CEO
$40.5K
1.1K sh · $35.37
Own -0%
-
Exercise·M
Charles Liang KEY
President and CEO
—
2.1K sh
Own +0%
-
Exercise·M
SVP, Chief Accounting Officer
$0
1.2K sh
Own +25%
-
Other·F
SVP, Chief Accounting Officer
$15.9K
449 sh · $35.37
Own -1%
-
Exercise·M
SVP, Chief Accounting Officer
—
1.2K sh
Own +2%
-
Exercise·M
SVP, Worldwide Sales
$0
1.3K sh
Own +14%
-
Exercise·M
SVP, Worldwide Sales
$0
1.0K sh
Own New
-
Other·F
SVP, Worldwide Sales
$16.4K
463 sh · $35.37
Own -1%
-
Exercise·M
SVP, Worldwide Sales
—
1.3K sh
Own +3%
-
Other·F
SVP, Worldwide Sales
$12.9K
366 sh · $35.37
Own -1%
-
Exercise·M
SVP, Worldwide Sales
—
1.0K sh
Own +2%
-
Grant·A
David E Weigand KEY
SVP, Chief Financial Officer
$0
13.8K sh
Own New
-
Grant·A
David E Weigand KEY
SVP, Chief Financial Officer
$0
30.6K sh
Own New
-
Grant·A
SVP, Worldwide Sales
$0
5.6K sh
Own New
-
Grant·A
SVP, Worldwide Sales
$0
12.4K sh
Own New
-
Exercise·M
Director, 10% Owner
$0
21.0K sh
Own New
-
Exercise·M
Director, 10% Owner
$88.9K
21.0K sh · $4.24
Own +3%
-
Exercise·M
Charles Liang KEY
President and CEO
$0
21.0K sh
Own New
-
Exercise·M
Charles Liang KEY
President and CEO
$88.9K
21.0K sh · $4.24
Own +3%
-
Exercise·M
Sr. Corporate VP, Engineering
$0
4.0K sh
Own New
-
Other·F
Sr. Corporate VP, Engineering
$46.2K
1.5K sh · $30.11
Own -1%
-
Exercise·M
Sr. Corporate VP, Engineering
—
4.0K sh
Own +2%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
$0
6.5K sh
Own New
-
Other·F
David E Weigand KEY
SVP, Chief Financial Officer
$70.2K
2.3K sh · $30.11
Own -2%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
—
6.5K sh
Own +6%
-
Exercise·M
Director, 10% Owner
$0
3.6K sh
Own New
-
Other·F
Director, 10% Owner
$63.5K
2.1K sh · $30.11
Own -0%
-
Exercise·M
Director, 10% Owner
—
3.6K sh
Own +1%
-
Exercise·M
Director
$0
3.4K sh
Own New
-
Other·F
Director
$36.7K
1.2K sh · $30.11
Own -1%
-
Exercise·M
Director
—
3.4K sh
Own +4%
-
Exercise·M
Charles Liang KEY
President and CEO
$0
3.6K sh
Own New
-
Other·F
Charles Liang KEY
President and CEO
$63.5K
2.1K sh · $30.11
Own -0%
-
Exercise·M
Charles Liang KEY
President and CEO
—
3.6K sh
Own +1%
-
Exercise·M
SVP, Chief Accounting Officer
$0
2.2K sh
Own New
-
Other·F
SVP, Chief Accounting Officer
$27.9K
927 sh · $30.11
Own -2%
-
Exercise·M
SVP, Chief Accounting Officer
—
2.2K sh
Own +4%
-
Exercise·M
SVP, Worldwide Sales
$0
1.8K sh
Own New
-
Other·F
SVP, Worldwide Sales
$21.6K
716 sh · $30.11
Own -1%
-
Exercise·M
SVP, Worldwide Sales
—
1.8K sh
Own +4%
-
Exercise·M
Sr. Corporate VP, Engineering
$0
2.0K sh
Own +25%
-
Other·F
Sr. Corporate VP, Engineering
$27.1K
812 sh · $33.33
Own -0%
-
Exercise·M
Sr. Corporate VP, Engineering
—
2.0K sh
Own +1%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
$0
1.5K sh
Own +12%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
$0
2.7K sh
Own +26700%
-
Other·F
David E Weigand KEY
SVP, Chief Financial Officer
$20.3K
609 sh · $33.33
Own -1%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
—
1.5K sh
Own +1%
-
Other·F
David E Weigand KEY
SVP, Chief Financial Officer
$36.7K
1.1K sh · $33.33
Own -1%
-
Exercise·M
David E Weigand KEY
SVP, Chief Financial Officer
—
2.7K sh
Own +2%
-
Exercise·M
Director, 10% Owner
$0
2.1K sh
Own +25%
-
Other·F
Director, 10% Owner
$41.7K
1.3K sh · $33.33
Own -0%
-
Exercise·M
Director, 10% Owner
—
2.1K sh
Own +0%
-
Exercise·M
Director
$0
848 sh
Own +10%
-
Exercise·M
Director
$0
4.4K sh
Own +50%
-
Exercise·M
Director
$0
4.4K sh
Own +100%
-
Other·F
Director
$10.2K
305 sh · $33.33
Own -0%
-
Exercise·M
Director
—
848 sh
Own +1%
-
Other·F
Director
$52.5K
1.6K sh · $33.33
Own -2%
-
Exercise·M
Director
—
4.4K sh
Own +5%
-
Other·F
Director
$60.1K
1.8K sh · $33.33
Own -2%
-
Exercise·M
Director
—
4.4K sh
Own +5%
-
Exercise·M
Charles Liang KEY
President and CEO
$0
2.1K sh
Own +25%
-
Other·F
Charles Liang KEY
President and CEO
$41.7K
1.3K sh · $33.33
Own -0%
-
Exercise·M
Charles Liang KEY
President and CEO
—
2.1K sh
Own +0%
-
Exercise·M
SVP, Chief Accounting Officer
$0
1.2K sh
Own +20%
-
Other·F
SVP, Chief Accounting Officer
$17.2K
515 sh · $33.33
Own -1%
-
Exercise·M
SVP, Chief Accounting Officer
—
1.2K sh
Own +2%
-
Exercise·M
SVP, Worldwide Sales
$0
1.3K sh
Own +13%
-
Exercise·M
SVP, Worldwide Sales
$0
1.0K sh
Own New
-
Other·F
SVP, Worldwide Sales
$17.7K
532 sh · $33.33
Own -1%
-
Exercise·M
SVP, Worldwide Sales
—
1.3K sh
Own +3%
-
Other·F
SVP, Worldwide Sales
$14.0K
421 sh · $33.33
Own -1%
-
Exercise·M
SVP, Worldwide Sales
—
1.0K sh
Own +2%
-
Grant·A
Sr. Corporate VP, Engineering
$0
8.0K sh
Own New
-
Grant·A
David E Weigand KEY
SVP, Chief Financial Officer
$0
13.0K sh
Own New
-
Grant·A
Director, 10% Owner
$0
7.3K sh
Own New
-
Grant·A
Director
$0
6.8K sh
Own New
-
Grant·A
Charles Liang KEY
President and CEO
$0
7.3K sh
Own New
-
Grant·A
SVP, Chief Accounting Officer
$0
4.5K sh
Own New
-
Grant·A
SVP, Worldwide Sales
$0
3.5K sh
Own New
-
Grant·A
Director
$0
1.7K sh
Own New
-
Exercise·M
Director
$0
747 sh
Own New
-
Exercise·M
Director
—
747 sh
Own +0%
-
Grant·A
SVP, Chief Accounting Officer
$0
13.7K sh
Own New
-
Grant·A
SVP, Chief Accounting Officer
$0
30.5K sh
Own New
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| May 26, 2026 | Liang Chiu-Chu Sara Liu | Other G | 340.0K | $0 |
| May 26, 2026 | Charles Liang KEY | Other G | 340.0K | $0 |
| May 10, 2026 | Jin Xiao | Exercise M | 4.1K | $0 |
| May 10, 2026 | Jin Xiao | Exercise M | 2.0K | $0 |
| May 10, 2026 | Jin Xiao | Other F | 1.5K | $52.0K |
| May 10, 2026 | Jin Xiao | Exercise M | 4.1K | — |
| May 10, 2026 | Jin Xiao | Other F | 707 | $25.0K |
| May 10, 2026 | Jin Xiao | Exercise M | 2.0K | — |
| May 10, 2026 | David E Weigand KEY | Exercise M | 1.5K | $0 |
| May 10, 2026 | David E Weigand KEY | Exercise M | 2.7K | $0 |
| May 10, 2026 | David E Weigand KEY | Other F | 535 | $18.9K |
| May 10, 2026 | David E Weigand KEY | Exercise M | 1.5K | — |
| May 10, 2026 | David E Weigand KEY | Other F | 962 | $34.0K |
| May 10, 2026 | David E Weigand KEY | Exercise M | 2.7K | — |
| May 10, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 4.1K | $0 |
| May 10, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 2.1K | $0 |
| May 10, 2026 | Liang Chiu-Chu Sara Liu | Other F | 2.2K | $78.2K |
| May 10, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 4.1K | — |
| May 10, 2026 | Liang Chiu-Chu Sara Liu | Other F | 1.1K | $40.5K |
| May 10, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 2.1K | — |
| May 10, 2026 | Charles Liang KEY | Exercise M | 4.1K | $0 |
| May 10, 2026 | Charles Liang KEY | Exercise M | 2.1K | $0 |
| May 10, 2026 | Charles Liang KEY | Other F | 2.2K | $78.2K |
| May 10, 2026 | Charles Liang KEY | Exercise M | 4.1K | — |
| May 10, 2026 | Charles Liang KEY | Other F | 1.1K | $40.5K |
| May 10, 2026 | Charles Liang KEY | Exercise M | 2.1K | — |
| May 10, 2026 | Kenneth Cheung | Exercise M | 1.2K | $0 |
| May 10, 2026 | Kenneth Cheung | Other F | 449 | $15.9K |
| May 10, 2026 | Kenneth Cheung | Exercise M | 1.2K | — |
| May 10, 2026 | Don W Clegg | Exercise M | 1.3K | $0 |
| May 10, 2026 | Don W Clegg | Exercise M | 1.0K | $0 |
| May 10, 2026 | Don W Clegg | Other F | 463 | $16.4K |
| May 10, 2026 | Don W Clegg | Exercise M | 1.3K | — |
| May 10, 2026 | Don W Clegg | Other F | 366 | $12.9K |
| May 10, 2026 | Don W Clegg | Exercise M | 1.0K | — |
| May 8, 2026 | David E Weigand KEY | Grant A | 13.8K | $0 |
| May 8, 2026 | David E Weigand KEY | Grant A | 30.6K | $0 |
| May 8, 2026 | Don W Clegg | Grant A | 5.6K | $0 |
| May 8, 2026 | Don W Clegg | Grant A | 12.4K | $0 |
| Feb 27, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 21.0K | $0 |
| Feb 27, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 21.0K | $88.9K |
| Feb 27, 2026 | Charles Liang KEY | Exercise M | 21.0K | $0 |
| Feb 27, 2026 | Charles Liang KEY | Exercise M | 21.0K | $88.9K |
| Feb 17, 2026 | Jin Xiao | Exercise M | 4.0K | $0 |
| Feb 17, 2026 | Jin Xiao | Other F | 1.5K | $46.2K |
| Feb 17, 2026 | Jin Xiao | Exercise M | 4.0K | — |
| Feb 17, 2026 | David E Weigand KEY | Exercise M | 6.5K | $0 |
| Feb 17, 2026 | David E Weigand KEY | Other F | 2.3K | $70.2K |
| Feb 17, 2026 | David E Weigand KEY | Exercise M | 6.5K | — |
| Feb 17, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 3.6K | $0 |
| Feb 17, 2026 | Liang Chiu-Chu Sara Liu | Other F | 2.1K | $63.5K |
| Feb 17, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 3.6K | — |
| Feb 17, 2026 | Yih-Shyan Wally Liaw | Exercise M | 3.4K | $0 |
| Feb 17, 2026 | Yih-Shyan Wally Liaw | Other F | 1.2K | $36.7K |
| Feb 17, 2026 | Yih-Shyan Wally Liaw | Exercise M | 3.4K | — |
| Feb 17, 2026 | Charles Liang KEY | Exercise M | 3.6K | $0 |
| Feb 17, 2026 | Charles Liang KEY | Other F | 2.1K | $63.5K |
| Feb 17, 2026 | Charles Liang KEY | Exercise M | 3.6K | — |
| Feb 17, 2026 | Kenneth Cheung | Exercise M | 2.2K | $0 |
| Feb 17, 2026 | Kenneth Cheung | Other F | 927 | $27.9K |
| Feb 17, 2026 | Kenneth Cheung | Exercise M | 2.2K | — |
| Feb 17, 2026 | Don W Clegg | Exercise M | 1.8K | $0 |
| Feb 17, 2026 | Don W Clegg | Other F | 716 | $21.6K |
| Feb 17, 2026 | Don W Clegg | Exercise M | 1.8K | — |
| Feb 10, 2026 | Jin Xiao | Exercise M | 2.0K | $0 |
| Feb 10, 2026 | Jin Xiao | Other F | 812 | $27.1K |
| Feb 10, 2026 | Jin Xiao | Exercise M | 2.0K | — |
| Feb 10, 2026 | David E Weigand KEY | Exercise M | 1.5K | $0 |
| Feb 10, 2026 | David E Weigand KEY | Exercise M | 2.7K | $0 |
| Feb 10, 2026 | David E Weigand KEY | Other F | 609 | $20.3K |
| Feb 10, 2026 | David E Weigand KEY | Exercise M | 1.5K | — |
| Feb 10, 2026 | David E Weigand KEY | Other F | 1.1K | $36.7K |
| Feb 10, 2026 | David E Weigand KEY | Exercise M | 2.7K | — |
| Feb 10, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 2.1K | $0 |
| Feb 10, 2026 | Liang Chiu-Chu Sara Liu | Other F | 1.3K | $41.7K |
| Feb 10, 2026 | Liang Chiu-Chu Sara Liu | Exercise M | 2.1K | — |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Exercise M | 848 | $0 |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Exercise M | 4.4K | $0 |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Exercise M | 4.4K | $0 |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Other F | 305 | $10.2K |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Exercise M | 848 | — |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Other F | 1.6K | $52.5K |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Exercise M | 4.4K | — |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Other F | 1.8K | $60.1K |
| Feb 10, 2026 | Yih-Shyan Wally Liaw | Exercise M | 4.4K | — |
| Feb 10, 2026 | Charles Liang KEY | Exercise M | 2.1K | $0 |
| Feb 10, 2026 | Charles Liang KEY | Other F | 1.3K | $41.7K |
| Feb 10, 2026 | Charles Liang KEY | Exercise M | 2.1K | — |
| Feb 10, 2026 | Kenneth Cheung | Exercise M | 1.2K | $0 |
| Feb 10, 2026 | Kenneth Cheung | Other F | 515 | $17.2K |
| Feb 10, 2026 | Kenneth Cheung | Exercise M | 1.2K | — |
| Feb 10, 2026 | Don W Clegg | Exercise M | 1.3K | $0 |
| Feb 10, 2026 | Don W Clegg | Exercise M | 1.0K | $0 |
| Feb 10, 2026 | Don W Clegg | Other F | 532 | $17.7K |
| Feb 10, 2026 | Don W Clegg | Exercise M | 1.3K | — |
| Feb 10, 2026 | Don W Clegg | Other F | 421 | $14.0K |
| Feb 10, 2026 | Don W Clegg | Exercise M | 1.0K | — |
| Feb 7, 2026 | Jin Xiao | Grant A | 8.0K | $0 |
| Feb 7, 2026 | David E Weigand KEY | Grant A | 13.0K | $0 |
| Feb 7, 2026 | Liang Chiu-Chu Sara Liu | Grant A | 7.3K | $0 |
| Feb 7, 2026 | Yih-Shyan Wally Liaw | Grant A | 6.8K | $0 |
| Feb 7, 2026 | Charles Liang KEY | Grant A | 7.3K | $0 |
| Feb 7, 2026 | Kenneth Cheung | Grant A | 4.5K | $0 |
| Feb 7, 2026 | Don W Clegg | Grant A | 3.5K | $0 |
| Feb 6, 2026 | Scott Angel | Grant A | 1.7K | $0 |
| Jan 29, 2026 | Tally C Liu | Exercise M | 747 | $0 |
| Jan 29, 2026 | Tally C Liu | Exercise M | 747 | — |
| Jul 29, 2025 | Kenneth Cheung | Grant A | 13.7K | $0 |
| Jul 29, 2025 | Kenneth Cheung | Grant A | 30.5K | $0 |
About SMCI insider trading
This page tracks insider transactions for Super Micro Computer, Inc. (SMCI) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.