ALPHA AND OMEGA SEMICONDUCTOR LTD (AOSL) — large price moves

Information Technology · NASDAQ

Single sessions where AOSL closed 10% or more away from the previous close, between 2025-10-08 and 2026-10-08. Each one lists the events filed in the 5 days ending at that session, in date order.

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Of the 17 moves listed, 10 have at least one filed event in the 5 days ending at the session, and 7 have none. Across the catalog most large moves have nothing filed near them, so an empty list is an ordinary result and not a gap.

Moves

2026-08-13 -15.6% $36.28 to $30.62 filed events in the 5 days to 2026-08-13
- 2026-08-12 Earnings Quarterly results reportedquarter ended 2026-06-30 · reported EPS USD -0.13 against an estimate of USD -0.24 · surprise +45.8%Source: SEC filing calendar + Yahoo earnings history
- 2026-08-12 Material event 8-K filed (material event)accession 0001628280-26-056197Source: SEC EDGAR
2026-07-30 +12.3% $27.70 to $31.11 filed events in the 5 days to 2026-07-30

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-07-21 +11.4% $31.41 to $34.99 filed events in the 5 days to 2026-07-21
- 2026-07-16 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $29,741Source: SEC Form 4
2026-07-16 -13.1% $35.35 to $30.71 filed events in the 5 days to 2026-07-16
- 2026-07-16 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $29,741Source: SEC Form 4
2026-07-02 -14.7% $43.52 to $37.11 filed events in the 5 days to 2026-07-02

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-06-18 +11.3% $43.15 to $48.04 filed events in the 5 days to 2026-06-18
- 2026-06-16 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $231,494Source: SEC Form 4
2026-06-05 -16.4% $50.25 to $42.01 filed events in the 5 days to 2026-06-05

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-06-02 +21.5% $43.88 to $53.32 filed events in the 5 days to 2026-06-02

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-05-26 +14.8% $41.72 to $47.89 filed events in the 5 days to 2026-05-26
- 2026-05-22 Insider trade Open-market sale reported by an insider2 transactions · 1 insider · $160,536Source: SEC Form 4
2026-05-13 +10.3% $37.72 to $41.59 filed events in the 5 days to 2026-05-13

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-05-07 -24.1% $49.33 to $37.44 filed events in the 5 days to 2026-05-07
- 2026-05-06 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.28 against an estimate of USD -0.36 · surprise +22.2%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-06 Periodic filing 10-Q filedaccession 0001628280-26-031360Source: SEC EDGAR
- 2026-05-06 Material event 8-K filed (material event)accession 0001628280-26-031274Source: SEC EDGAR
- 2026-05-06 Filing language mdna changed in the 10-Qsection mdna · accession 0001628280-26-031360Source: SEC EDGAR (section comparison against the prior filing)
2026-05-06 +12.8% $43.75 to $49.33 filed events in the 5 days to 2026-05-06
- 2026-05-06 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.28 against an estimate of USD -0.36 · surprise +22.2%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-06 Periodic filing 10-Q filedaccession 0001628280-26-031360Source: SEC EDGAR
- 2026-05-06 Material event 8-K filed (material event)accession 0001628280-26-031274Source: SEC EDGAR
- 2026-05-06 Filing language mdna changed in the 10-Qsection mdna · accession 0001628280-26-031360Source: SEC EDGAR (section comparison against the prior filing)
2026-04-24 +11.5% $39.88 to $44.45 filed events in the 5 days to 2026-04-24

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-04-20 +17.8% $33.88 to $39.90 filed events in the 5 days to 2026-04-20
- 2026-04-16 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $57,177Source: SEC Form 4
- 2026-04-17 Insider trade Open-market sale reported by an insider4 transactions · 2 insiders · $814,865Source: SEC Form 4
2026-04-14 +10.9% $27.39 to $30.38 filed events in the 5 days to 2026-04-14
- 2026-04-14 Insider trade Open-market sale reported by an insider4 transactions · 2 insiders · $988,944Source: SEC Form 4
2025-11-06 -27.5% $27.10 to $19.65 filed events in the 5 days to 2025-11-06
- 2025-11-06 Earnings Quarterly results reportedquarter ended 2025-09-30 · reported EPS USD 0.13 against an estimate of USD 0.09 · surprise +44.4%Source: SEC filing calendar + Yahoo earnings history
- 2025-11-06 Periodic filing 10-Q filedaccession 0001387467-25-000066Source: SEC EDGAR
2025-10-13 +14.7% $25.66 to $29.43 filed events in the 5 days to 2025-10-13

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

These are events filed near a session, listed by date. They are not ranked, and no connection between an event and a price move is stated or implied.

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See the full company profile: ALPHA AND OMEGA SEMICONDUCTOR LTD (AOSL).

Informational only — NOT financial advice. Price moves are computed from stored daily closes; filed events come from their own sources with their own dates.