Director Chang Mike F made one open market purchase of ALPHA & OMEGA SEMICONDUCTOR Ltd ($AOSL) shares in the last 365 days, totaling $641,000. His most recent buy occurred on March 9, 2026. With no open market sales, his activity ranks 715th among nearly 5,000 insiders, below the average purchase of $1.46 million across 3.3 transactions.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 16, 2026 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | F | Common Shares | 14419 | $21.43 | 4,355,155.0000 | 29,760,825 | 0.33% | 0.05% |
| March 16, 2026 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | A | Common Shares | 22500 | $0.00 | 4,390,326.0000 | 29,760,825 | 0.52% | 0.08% |
| March 16, 2026 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | A | Common Shares | 22500 | $0.00 | 4,386,761.0000 | 29,760,825 | 0.52% | 0.08% |
| March 16, 2026 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | A | Common Shares | 22500 | $0.00 | 4,392,074.0000 | 29,760,825 | 0.51% | 0.08% |
| March 16, 2026 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | F | Common Shares | 17984 | $21.43 | 4,374,090.0000 | 29,760,825 | 0.41% | 0.06% |
| March 16, 2026 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | F | Common Shares | 9829 | $21.43 | 4,364,261.0000 | 29,760,825 | 0.22% | 0.03% |
| March 9, 2026 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | P | Common Shares | 33727 | $19.00 | 4,369,574.0000 | 29,760,825 | 0.78% | 0.11% |
| Jan. 2, 2026 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | F | Common Shares | 16700 | $20.66 | 4,335,847.0000 | 30,061,450 | 0.38% | 0.06% |
| Oct. 20, 2025 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Director | G | Common Shares | 40000 | $0.00 | 4,352,547.0000 | 30,013,611 | 0.91% | 0.13% |
| March 17, 2025 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Chairman of Board | F | Common Shares | 27296 | $27.61 | 4,375,574.0000 | 0 | 0.62% | 0.00% |
| March 17, 2025 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Chairman of Board | A | Common Shares | 22500 | $0.00 | 4,402,870.0000 | 0 | 0.51% | 0.00% |
| March 17, 2025 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Chairman of Board | A | Common Shares | 37500 | $0.00 | 4,392,547.0000 | 0 | 0.86% | 0.00% |
| March 17, 2025 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Chairman of Board | F | Common Shares | 20527 | $27.61 | 4,355,047.0000 | 0 | 0.47% | 0.00% |
| Jan. 2, 2025 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | F | Common Shares | 22446 | $36.54 | 4,380,370.0000 | 0 | 0.51% | 0.00% |
| Dec. 3, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | G | Common Shares | 30000 | $0.00 | 4,402,816.0000 | 0 | 0.68% | 0.00% |
| Aug. 28, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | G | Common Shares | 10000 | $0.00 | 4,432,816.0000 | 0 | 0.23% | 0.00% |
| May 10, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | G | Common Shares | 30000 | $0.00 | 4,442,816.0000 | 0 | 0.67% | 0.00% |
| March 15, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | F | Common Shares | 24167 | $21.55 | 4,472,816.0000 | 0 | 0.54% | 0.00% |
| March 15, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | A | Common Shares | 37500 | $0.00 | 4,527,786.0000 | 0 | 0.84% | 0.00% |
| March 15, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | F | Common Shares | 30803 | $21.55 | 4,496,983.0000 | 0 | 0.68% | 0.00% |
| Sept. 6, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | G | Common Shares | 10000 | $0.00 | 4,490,286.0000 | 0 | 0.22% | 0.00% |
| Jan. 29, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Common Shares | 30000 | $7.44 | 4,530,286.0000 | 0 | 0.67% | 0.00% |
| Jan. 29, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Employee Share Option (right to buy) | 30000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Jan. 29, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | S | Common Shares | 30000 | $26.91 | 4,500,286.0000 | 0 | 0.66% | 0.00% |
| Jan. 2, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | F | Common Shares | 17305 | $27.38 | 4,500,286.0000 | 0 | 0.38% | 0.00% |
| Jan. 2, 2024 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | A | Common Shares | 180000 | $0.00 | 4,517,591.0000 | 0 | 4.15% | 0.00% |
| Dec. 28, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Common Shares | 30000 | $7.44 | 4,367,591.0000 | 0 | 0.69% | 0.00% |
| Dec. 28, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | S | Common Shares | 30000 | $26.53 | 4,337,591.0000 | 0 | 0.69% | 0.00% |
| Dec. 28, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Employee Share Option (right to buy) | 30000 | $0.00 | 30,000.0000 | 0 | 50.00% | 0.00% |
| Dec. 14, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Employee Share Option (right to buy) | 30000 | $0.00 | 60,000.0000 | 0 | 33.33% | 0.00% |
| Dec. 14, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Common Shares | 30000 | $7.44 | 4,367,591.0000 | 0 | 0.69% | 0.00% |
| Dec. 14, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | S | Common Shares | 30000 | $25.00 | 4,337,591.0000 | 0 | 0.69% | 0.00% |
| Oct. 26, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Employee Share Option (right to buy) | 0 | $0.00 | 90,000.0000 | 0 | 0.00% | 0.00% |
| Oct. 26, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | S | Common Shares | 30000 | $25.03 | 4,337,591.0000 | 0 | 0.69% | 0.00% |
| Oct. 26, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Common Shares | 30000 | $7.44 | 4,367,591.0000 | 0 | 0.69% | 0.00% |
| Sept. 26, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Employee Share Option (right to buy) | 30000 | $0.00 | 120,000.0000 | 0 | 20.00% | 0.00% |
| Sept. 26, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | S | Common Shares | 30000 | $28.64 | 4,337,591.0000 | 0 | 0.69% | 0.00% |
| Sept. 26, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Common Shares | 30000 | $7.44 | 4,367,591.0000 | 0 | 0.69% | 0.00% |
| Sept. 14, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | G | Common Shares | 50000 | $0.00 | 4,337,591.0000 | 0 | 1.14% | 0.00% |
| Sept. 1, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Employee Share Option (right to buy) | 30000 | $0.00 | 150,000.0000 | 0 | 16.67% | 0.00% |
| Sept. 1, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | S | Common Shares | 30000 | $31.01 | 4,387,591.0000 | 0 | 0.68% | 0.00% |
| Sept. 1, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | M | Common Shares | 30000 | $7.44 | 4,417,591.0000 | 0 | 0.68% | 0.00% |
| March 15, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | A | Common Shares | 37500 | $0.00 | 4,389,710.0000 | 0 | 0.86% | 0.00% |
| March 15, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | F | Common Shares | 24070 | $25.45 | 4,333,411.0000 | 0 | 0.55% | 0.00% |
| March 15, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | A | Common Shares | 54180 | $0.00 | 4,387,591.0000 | 0 | 1.25% | 0.00% |
| March 15, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Executive Chairman | F | Common Shares | 32229 | $25.45 | 4,357,481.0000 | 0 | 0.73% | 0.00% |
| Jan. 9, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Chief Executive Officer | S | Common Shares | 56400 | $29.96 | 4,352,210.0000 | 0 | 1.28% | 0.00% |
| Jan. 9, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Chief Executive Officer | M | Common Shares | 56400 | $8.45 | 4,408,610.0000 | 0 | 1.30% | 0.00% |
| Jan. 9, 2023 | ALPHA & OMEGA SEMICONDUCTOR Ltd | $AOSL | Chang Mike F | Chief Executive Officer | M | Employee Share Option (right to buy) | 56400 | $0.00 | 0.0000 | 0 | 0.00% | 0.00% |