AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd

CIK 0001387467 41 ready 8-Ks latest May 6, 2026, 7:59 PM ET RSS · JSON

Activity: NORMAL 1 filings / 30d vs 1 baseline

Ready 8-Ks 41

Latest filing July 10, 2026, 4:06 PM ET

Top materiality 0.85

Event mix earnings ×20 · leadership ×6 · other ×6

Sentiment 8 pos · 13 neg · 20 neu

Latest earnings reported 2026-Q3

Executive change recent →

Recent 8-K filings for AOSL

Highest-materiality recent filing

AOS reports Q3 FY2023 GAAP net loss of $18.9M on revenue down 35% YoY

May 4, 2023, 7:59 PM ET earnings materiality 0.85 negative item 2.02 item 9.01 ◈ Earnings Releases

Revenue $132.6M, down 30% QoQ and 35% YoY from $203.2M.
GAAP gross margin 23.2% vs 35.6% a year ago; operating loss of $14.4M.

Read filing →

May 6, 2026, 7:59 PM ET earnings materiality 0.70 negative item 2.02 item 9.01 ◈ Earnings Releases

AOSL Q3 FY2026: Revenue $163.8M, net loss $13.8M ($0.46 loss per share), operating loss widens

Revenue $163.8M, roughly flat YoY from $164.6M; gross margin 21.1% vs 21.4% a year ago.
February 5, 2026, 6:59 PM ET earnings materiality 0.80 negative item 2.02 item 9.01

AOSL reports fiscal Q2 2026 net loss of $13.3M; revenue falls 11% QoQ

Revenue $162.3M, down from $182.5M QoQ and $173.2M YoY; gross margin fell to 21.5%.
November 5, 2025, 6:59 PM ET earnings materiality 0.65 negative item 2.02 item 9.01

AOS Q1 FY2026: rev $182.5M, GAAP op loss $4.6M, non-GAAP NI $4.2M ($0.13 EPS)

Revenue $182.5M vs $181.9M YoY (flat); GAAP gross margin 23.5% down from 24.5%.
August 6, 2025, 7:59 PM ET earnings materiality 0.80 negative item 2.02 item 9.01

Alpha & Omega Semiconductor posts Q4 GAAP net loss of $77M with $68M goodwill impairment; guides Q1 rev $170-$178M

Q4 revenue $176.5M (+9.4% YoY); GAAP gross margin 23.4% vs. 25.7% a year ago; GAAP operating loss $11.6M.
July 14, 2025, 7:59 PM ET M&A materiality 0.75 neutral item 1.01 item 7.01 item 9.01

AOS to sell 20.3% of CQJV stake for $150M; expects impairment charge

Sale of ~20.3% equity interest in Chongqing JV (CQJV) to strategic investor for $150M cash, payable in 4 installments.
February 5, 2025, 6:59 PM ET earnings materiality 0.65 negative item 2.02 item 9.01

AOS reports Q2 fiscal 2025 GAAP net loss of $6.6M, revenue $173.2M, down QoQ

GAAP revenue $173.2M, up 4.8% YoY but down 4.8% sequentially from $181.9M.
November 25, 2024, 6:59 PM ET other material materiality 0.60 neutral item 4.01 item 9.01 ◈ Auditor Changes ×2

Alpha and Omega Semiconductor dismisses Baker Tilly, appoints Deloitte as auditor

Audit committee dismissed Baker Tilly effective Nov 19, 2024, and appointed Deloitte & Touche for FY2025.
November 4, 2024, 6:59 PM ET earnings materiality 0.80 negative item 2.02 item 9.01

AOS posts Q1 FY2025 net loss of $2.5M; revenue $181.9M essentially flat YoY

Revenue $181.9M, up 13% sequentially but flat YoY ($180.6M); GAAP gross margin fell to 24.5% from 28.2%.
August 7, 2024, 7:59 PM ET earnings materiality 0.75 neutral item 2.02 item 9.01

AOS Q4 revenue $161.3M flat YoY; GAAP EPS -$0.09, non-GAAP EPS $0.09

Q4 GAAP net loss $2.7M ($0.09 diluted EPS) vs loss $1.1M YoY; non-GAAP net income $2.6M ($0.09).
May 7, 2024, 7:59 PM ET earnings materiality 0.65 negative item 2.02 item 9.01 ◈ Earnings Releases

AOSL Q3 revenue $150.1M, GAAP net loss $11.2M; margins weaken sequentially

GAAP net loss of $11.2M ($0.39 diluted loss); Non-GAAP net loss $1.2M ($0.04 loss).
February 6, 2024, 6:59 PM ET earnings materiality 0.70 negative item 2.02 item 9.01 ◈ Earnings Releases

AOS reports Q2 FY2024 net loss of $2.9M, revenue down 12% YoY

Revenue $165.3M, down from $188.8M a year ago; gross margin 26.6% vs 28.1%.
January 25, 2024, 6:59 PM ET regulatory materiality 0.70 positive item 8.01 item 9.01

AOSL DOJ closes criminal export-compliance investigation into Huawei transactions without charges

DOJ informed AOSL on Jan 19, 2024, that it closed the criminal investigation with no charges.
November 6, 2023, 6:59 PM ET earnings materiality 0.65 neutral item 2.02 item 9.01 ◈ Earnings Releases

AOS Q1 FY2024 revenue $180.6M, GAAP EPS $0.19; beats prior-quarter loss

Revenue $180.6M, up 12% sequentially from $161.5M, down 13% YoY from $208.5M.
August 9, 2023, 7:59 PM ET earnings materiality 0.75 negative item 2.02 item 9.01

AOSL Q4 FY2023 revenue $161.5M, GAAP net loss $1.1M (-$0.04 EPS); non-GAAP EPS $0.19

Q4 revenue $161.5M, up from $132.6M in Q3 but down 16.7% YoY from $194.0M.
May 4, 2023, 7:59 PM ET earnings materiality 0.85 negative item 2.02 item 9.01 ◈ Earnings Releases

AOS reports Q3 FY2023 GAAP net loss of $18.9M on revenue down 35% YoY

Revenue $132.6M, down 30% QoQ and 35% YoY from $203.2M.
February 24, 2023, 6:59 PM ET leadership materiality 0.60 neutral item 5.02 ◈ executive_change ×2

Alpha and Omega Semiconductor appoints Dr. Mike F. Chang as Executive Chairman and Stephen Chang as CEO

Employment agreements effective March 1, 2023: Dr. Mike F. Chang as Executive Chairman, Stephen Chang as CEO.
February 6, 2023, 6:59 PM ET earnings materiality 0.80 negative item 2.02 item 9.01 ◈ Earnings Releases

AOSL reports Q2 FY2023 revenue $188.8M, down 9.4% QoQ; GAAP EPS $0.21 vs $0.88 prior quarter

Revenue $188.8M, down from $208.5M in prior quarter and $193.3M a year ago.
December 8, 2022, 6:59 PM ET leadership materiality 0.65 neutral item 5.02 item 9.01 ◈ executive_change ×2

AOS CEO transition: Dr. Mike Chang to Executive Chairman, Stephen Chang becomes CEO

Dr. Mike Chang, founder and current CEO, becomes Executive Chairman effective March 1, 2023.
November 3, 2022, 7:59 PM ET earnings materiality 0.70 positive item 2.02 item 9.01 ◈ Earnings Releases

Alpha and Omega Semiconductor reports FQ1 2023 revenue $208.5M, GAAP EPS $0.88, non-GAAP EPS $1.20

Revenue $208.5M, up 7.5% QoQ and 11.5% YoY.
August 10, 2022, 7:59 PM ET earnings materiality 0.70 negative item 2.02 item 9.01

AOS Q4 revenue $194M, down 4.5% QoQ; GAAP EPS $0.53 vs $1.11 prior Q

Revenue $194.0M, down from $203.2M QoQ but up from $177.3M YoY.
May 5, 2022, 7:59 PM ET earnings materiality 0.80 positive item 2.02 item 9.01

AOS fiscal Q3 2022: Revenue $203.2M, GAAP EPS $1.11, Non-GAAP EPS $1.34

Revenue $203.2M (+20% YoY); GAAP gross margin 35.6% (vs 31.1% YoY).
February 7, 2022, 6:59 PM ET earnings materiality 0.80 positive item 2.02 item 9.01

AOS Q2 revenue $193.3M, Non-GAAP EPS $1.20, GAAP net income $383M on one-time gain

Revenue $193.3M, up 22% YoY from $158.8M; non-GAAP net income $34.0M vs $17.8M.
January 27, 2022, 6:59 PM ET other material materiality 0.65 neutral item 8.01

Alpha and Omega Semiconductor subsidiary completes $80M financing; AOSL stake reduced to 42%

JV sold 7.82% equity to third-party investors for RMB 509M (~$80M).
December 7, 2021, 6:59 PM ET M&A materiality 0.85 positive item 1.01 item 2.01 item 7.01 item 9.01

AOS sells 2.1% JV stake for $16.9M, deconsolidates, expects $364.8M net gain

Sold 2.1% equity in Chongqing JV for RMB 108M (~$16.9M) to a third-party investor; ownership drops to 48.8%, losing control.
November 4, 2021, 7:59 PM ET earnings materiality 0.85 positive item 2.02 item 5.02 item 9.01

AOS reports record Q1 revenue $187M, EPS $0.85; CEO voluntarily cuts bonus 50%

Revenue $187.0M (up 23% YoY); GAAP diluted EPS $0.85 vs $0.36 YoY; non-GAAP diluted EPS $1.06 vs $0.55.
August 11, 2021, 7:59 PM ET earnings materiality 0.80 positive item 2.02 item 9.01

AOSL reports Q4 FY2021 revenue $177.3M, up 45% YoY; GAAP EPS $0.71

Fiscal Q4 revenue $177.3M, up 45% from $122.4M YoY; GAAP diluted EPS $0.71 vs ($0.00).