Pfeiffer Michael L has filed 9 insider transactions across 1 company since November 2023.
Most recent transaction: a grant/award of 5681 shares of ALPHA & OMEGA SEMICONDUCTOR Ltd ($AOSL) on November 11, 2025.
Activity breakdown: 0 open-market purchases and 2 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 11, 2025 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | A | Common Shares | 5681 | $0.00 | 71,294.0000 | 30,061,450 | 8.66% | 0.02% |
| Nov. 7, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | A | Common Shares | 4456 | $0.00 | 65,613.0000 | 0 | 7.29% | 0.00% |
| Jan. 18, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | S | Common Shares | 664 | $26.68 | 59,330.0000 | 0 | 1.11% | 0.00% |
| Jan. 19, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | M | Common Shares | 4500 | $7.21 | 63,830.0000 | 0 | 7.58% | 0.00% |
| Jan. 18, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | M | Share Option (Right to Buy) | 2375 | $0.00 | 4,500.0000 | 0 | 34.55% | 0.00% |
| Jan. 19, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | M | Share Option (Right to Buy) | 4500 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Jan. 19, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | S | Common Shares | 2673 | $27.34 | 61,157.0000 | 0 | 4.19% | 0.00% |
| Jan. 18, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | M | Common Shares | 2375 | $7.21 | 59,994.0000 | 0 | 4.12% | 0.00% |
| Nov. 9, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Pfeiffer Michael L | Director | A | Common Shares | 5593 | $0.00 | 57,619.0000 | 0 | 10.75% | 0.00% |