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SMCI Super Micro Computer, Inc. Common Stock
Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.
-$12.2M net selling - trailing 90 days
0 buyers - 2 unique sellers
Historical context: most recent complete month (2026-09) is the 15th percentile of this ticker's monthly net P/S flow over 24 complete months. Lower percentiles are more selling; higher are more buying. P10–P90: -$10.7M to $0.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
Who is responsible
| Insider | Role | Net activity | Rows |
|---|---|---|---|
| Liu Liang Chiu-Chu Sara | — | -~$10.7M | 3 |
| Liang Charles | President and CEO | -~$1.6M | 1 |
Transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| October 7, 2026 | Liu Liang Chiu-Chu Sara | — | S | -100000 | 45.02 | ~$4.5M jointly filed |
| October 7, 2026 | Liang Charles | President and CEO | S | -100000 | 45.02 | ~$4.5M jointly filed |
| September 4, 2026 | Liu Liang Chiu-Chu Sara | — | S | -100000 | 40 | ~$4.0M jointly filed |
| September 4, 2026 | Liang Charles | President and CEO | S | -100000 | 40 | ~$4.0M jointly filed |
| September 3, 2026 | Liang Charles | President and CEO | 2 reported sale rows | 100000 | — | ~$3.7M |
| September 3, 2026 | Liang Charles | President and CEO | S | -42565 | 36.6 | ~$1.6M jointly filed |
| September 3, 2026 | Liang Charles | President and CEO | S | -57435 | 37.62 | ~$2.2M jointly filed |
| September 3, 2026 | Liu Liang Chiu-Chu Sara | — | 2 reported sale rows | 100000 | — | ~$3.7M |
| September 3, 2026 | Liu Liang Chiu-Chu Sara | — | S | -57435 | 37.62 | ~$2.2M jointly filed |
| September 3, 2026 | Liu Liang Chiu-Chu Sara | — | S | -42565 | 36.6 | ~$1.6M jointly filed |
| November 26, 2025 | TUAN SHERMAN | — | S | -48630 | 33 | ~$1.6M |
| November 24, 2025 | KAO GEORGE | SVP, OPERATIONS | S | -56904 | 32.8311 | ~$1.9M |
| September 15, 2025 | WEIGAND DAVID E | SVP, Chief Financial Officer | S | -25000 | 45.14 | ~$1.1M |
| September 3, 2025 | WEIGAND DAVID E | SVP, Chief Financial Officer | 2 reported sale rows | 25000 | — | ~$1.0M |
| September 3, 2025 | WEIGAND DAVID E | SVP, Chief Financial Officer | S | -300 | 40.8533 | ~$12K |
| September 3, 2025 | WEIGAND DAVID E | SVP, Chief Financial Officer | S | -24700 | 40.2844 | ~$1.0M |
| August 22, 2025 | KAO GEORGE | SVP, OPERATIONS | S | -40000 | 43.88 | ~$1.8M |
| July 28, 2025 | Liang Charles | President and CEO | S | -200000 | 60 | ~$12.0M jointly filed |
| July 28, 2025 | Liu Liang Chiu-Chu Sara | — | S | -200000 | 60 | ~$12.0M jointly filed |
| June 18, 2025 | Liang Charles | President and CEO | S | -300000 | 45 | ~$13.5M jointly filed |
| June 18, 2025 | Liu Liang Chiu-Chu Sara | — | S | -300000 | 45 | ~$13.5M jointly filed |
| May 20, 2025 | WEIGAND DAVID E | SVP, Chief Financial Officer | S | -67000 | 44.0223 | ~$2.9M |
| May 14, 2025 | Liang Charles | President and CEO | 2 reported sale rows | 200000 | — | ~$9.0M |
| May 14, 2025 | Liang Charles | President and CEO | S | -15306 | 44.5638 | ~$0.7M |
| May 14, 2025 | Liang Charles | President and CEO | S | -184694 | 44.9783 | ~$8.3M jointly filed |
| May 14, 2025 | Liu Liang Chiu-Chu Sara | — | 2 reported sale rows | 200000 | — | ~$9.0M |
| May 14, 2025 | Liu Liang Chiu-Chu Sara | — | S | -15306 | 45.5638 | ~$0.7M |
| May 14, 2025 | Liu Liang Chiu-Chu Sara | — | S | -184694 | 44.9783 | ~$8.3M jointly filed |
| May 14, 2025 | KAO GEORGE | SVP, OPERATIONS | S | -28400 | 45.86 | ~$1.3M |
| February 28, 2025 | BLAIR ROBERT L | — | 2 reported sale rows | 19460 | — | ~$0.8M |
| February 28, 2025 | BLAIR ROBERT L | — | S | -13600 | 42.46 | ~$0.6M |
| February 28, 2025 | BLAIR ROBERT L | — | S | -5860 | 42.85 | ~$0.3M |
| February 26, 2025 | Liu Liang Chiu-Chu Sara | — | S | -46293 | 50.171 | ~$2.3M jointly filed |
| February 26, 2025 | Liang Charles | President and CEO | S | -46293 | 50.171 | ~$2.3M jointly filed |
| February 26, 2025 | KAO GEORGE | SVP, OPERATIONS | S | -71720 | 50.484 | ~$3.6M |