Super Micro Computer, Inc.
SMCILast close · Oct 16, 202631.63−3.46 (−9.86%)
Market cap$20.8B
Between Aug 14, 2026 and Oct 7, 2026, Supermicro (SMCI) insiders filed 40 Form 4 transactions: 8 sales worth $24.4M in total and no open-market purchase; 8 of the sales were under 10b5-1 plans set in advance. The largest seller was Liu Liang Chiu-Chu Sara, $4.5M. 32 other filings were grants, exercises or gifts, which say nothing about buying or selling.
40
0
8
8
Form 4 transactions
| Date | Insider | Title | Code | Plan | Shares | Price | Value |
|---|---|---|---|---|---|---|---|
| 2026-10-07 | Liu Liang Chiu-Chu Sara | Director, 10% Owner | S | 10b5-1 | 100,000 | 45.02 | $4.5M |
| 2026-10-07 | Liang Charles | President and CEO | S | 10b5-1 | 100,000 | 45.02 | $4.5M |
| 2026-09-03 | Liang Charles | President and CEO | S | 10b5-1 | 42,565 | 36.60 | $1.6M |
| 2026-09-03 | Liang Charles | President and CEO | S | 10b5-1 | 57,435 | 37.62 | $2.2M |
| 2026-09-04 | Liang Charles | President and CEO | S | 10b5-1 | 100,000 | 40.00 | $4.0M |
| 2026-09-03 | Liu Liang Chiu-Chu Sara | Director, 10% Owner | S | 10b5-1 | 42,565 | 36.60 | $1.6M |
| 2026-09-03 | Liu Liang Chiu-Chu Sara | Director, 10% Owner | S | 10b5-1 | 57,435 | 37.62 | $2.2M |
| 2026-09-04 | Liu Liang Chiu-Chu Sara | Director, 10% Owner | S | 10b5-1 | 100,000 | 40.00 | $4.0M |
| 2026-08-27 | WEIGAND DAVID E | SVP, Chief Financial Officer | A | 24,093 | 0.00 | $0 | |
| 2026-08-27 | Malyala Vikranth | SVP, Chief Business Officer | A | 8,060 | 0.00 | $0 | |
| 2026-08-27 | Xiao Jin | Sr. Corporate VP, Engineering | A | 2,112 | 0.00 | $0 | |
| 2026-08-17 | Xiao Jin | Sr. Corporate VP, Engineering | M | 4,000 | — | — | |
| 2026-08-17 | Xiao Jin | Sr. Corporate VP, Engineering | F | 1,436 | 38.28 | $54,970.1 | |
| 2026-08-17 | Xiao Jin | Sr. Corporate VP, Engineering | M | 4,000 | 0.00 | $0 | |
| 2026-08-17 | WEIGAND DAVID E | SVP, Chief Financial Officer | M | 6,500 | — | — | |
| 2026-08-17 | WEIGAND DAVID E | SVP, Chief Financial Officer | F | 3,308 | 38.28 | $126,630.2 | |
| 2026-08-17 | WEIGAND DAVID E | SVP, Chief Financial Officer | M | 6,500 | 0.00 | $0 | |
| 2026-08-17 | Thauberger Matthew | Chief Revenue Officer | M | 2,250 | — | — | |
| 2026-08-17 | Thauberger Matthew | Chief Revenue Officer | F | 1,145 | 38.28 | $43,830.6 | |
| 2026-08-17 | Thauberger Matthew | Chief Revenue Officer | M | 2,250 | 0.00 | $0 | |
| 2026-08-17 | Malyala Vikranth | SVP, Chief Business Officer | M | 6,000 | — | — | |
| 2026-08-17 | Malyala Vikranth | SVP, Chief Business Officer | F | 3,053 | 38.28 | $116,868.8 | |
| 2026-08-17 | Malyala Vikranth | SVP, Chief Business Officer | M | 6,000 | 0.00 | $0 | |
| 2026-08-17 | Liang Charles | President and CEO | M | 3,650 | — | — | |
| 2026-08-17 | Liang Charles | President and CEO | F | 1,970 | 38.28 | $75,411.6 | |
| 2026-08-17 | Liang Charles | President and CEO | M | 3,650 | 0.00 | $0 | |
| 2026-08-17 | Liu Liang Chiu-Chu Sara | Director, 10% Owner | M | 3,650 | — | — | |
| 2026-08-17 | Liu Liang Chiu-Chu Sara | Director, 10% Owner | F | 1,970 | 38.28 | $75,411.6 | |
| 2026-08-17 | Liu Liang Chiu-Chu Sara | Director, 10% Owner | M | 3,650 | 0.00 | $0 | |
| 2026-08-17 | Cheung Kenneth | SVP, Chief Accounting Officer | M | 2,250 | — | — | |
| 2026-08-17 | Cheung Kenneth | SVP, Chief Accounting Officer | F | 808 | 38.28 | $30,930.2 | |
| 2026-08-17 | Cheung Kenneth | SVP, Chief Accounting Officer | M | 2,250 | 0.00 | $0 | |
| 2026-08-14 | Thauberger Matthew | Chief Revenue Officer | A | 9,872 | 0.00 | $0 | |
| 2026-08-14 | Thauberger Matthew | Chief Revenue Officer | A | 21,938 | 0.00 | $0 | |
| 2026-08-14 | LIU TALLY C | Director | A | 3,941 | 0.00 | $0 | |
| 2026-08-14 | LIU TALLY C | Director | A | 5,062 | 0.00 | $0 | |
| 2026-08-14 | TUAN SHERMAN | Director | A | 10,125 | 0.00 | $0 | |
| 2026-08-14 | BLAIR ROBERT L | Director | A | 7,882 | 0.00 | $0 | |
| 2026-08-14 | Mogensen Susan | Director | A | 7,882 | 0.00 | $0 | |
| 2026-08-14 | Lin Judy L. | Director | A | 7,882 | 0.00 | $0 |
Codes are the SEC's: P open-market purchase, S open-market sale; M exercise, F tax withholding, A grant and G gift are routine. A 10b5-1 flag means the trade ran under a plan adopted in advance. Method notes in where the numbers come from.