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8-K ·Filed Apr 17, 2026

AOSL

ALPHA & OMEGA SEMICONDUCTOR Ltd
NEUTRAL
Impact 3/10
Horizonweeks Processed6mo ago SEC0001628280-26-025742
8-K context-dependent: Items 5.02
Actionable Insight • Neutral

Monitor for subsequent filings regarding board succession planning. While this retirement is routine, investors may assess whether Dr. Chang’s expertise (e.g., technical, industry-specific) will be difficult to replace, particularly if no successor is named soon.

DirectionNeutral
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d
AOSL ▼ -11.40% at T+60d
NEUTRAL call -11.40% · α vs SPY -18.18% · entry $39.90 → $35.35
Entry = T+0 close
Apr 17, 2026
via day close
T+1d
-1.95%
call -1.95% · α -1.30%
$39.12
settled 6mo ago
T+5d
+6.12%
call +6.12% · α +5.20%
$42.34
settled 6mo ago
T+20d
-3.41%
call -3.41% · α -7.61%
$38.54
settled 6mo ago
T+60d
-11.40%
call -11.40% · α -18.18%
$35.35
settled 4mo ago

Price Chart

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Executive Summary

Dr. Lucas S. Chang notified Alpha & Omega Semiconductor Limited of his decision to retire from the Board of Directors, effective April 17, 2026. The departure is described as a retirement with no indication of abruptness or controversy.

Key Facts

  • Dr. Lucas S. Chang is retiring from the Board of Directors of Alpha & Omega Semiconductor Limited
  • Effective date of departure is April 17, 2026
  • The filing cites retirement as the reason for departure
  • No immediate replacement was announced in the filing
  • Dr. Chang was a board member, not a C-suite executive (CEO/CFO)

Financial Impact

No direct financial impact disclosed

governanceboard composition

Risk Factors

  • Potential loss of strategic guidance if Dr. Chang played a key advisory role
  • Governance uncertainty if multiple board members depart in succession

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices

Investment Themes

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001628280-26-025742
Document: 0001628280-26-025742-index-headers.html0001628280-26-025742
Document: 0001628280-26-025742-index.html0001628280-26-025742
Document: 0001628280-26-025742.txt0001628280-26-025742
2 reports for AOSL
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for AOSL — sortable, filterable
TypeNow
Apr 17, 2026
27w ago
8-K
NEUTRAL ★ 3/10
$39.90 $35.35▼ −11.40%▼ −18.18%$24.50 (−38.60%)
Apr 14, 2026
28w ago
Insider Cluster
BEARISH ★ 5/10
$30.38 $37.98▼ −25.02%▼ −16.49%$24.50 (+19.35%)
Showing 2 of 2

US Market Status

Market Closed — Opens Thu (11h 49m)

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Report published Apr 17, 2026