Alpha and Omega Semiconductor, Ltd. (AOSL)

Nasdaq Information Technology Semiconductors S&P SmallCap 600
$23.61
+5.13 (+27.76%)
Close of Nov 06, 2026 · end-of-day data

AOSL 8-K filings, explained

Every material Form 8-K Alpha and Omega Semiconductor has filed with the SEC since November 04, 2024, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.

Briefs on record15since Nov 04, 2024
Latest filingNov 05, 2026earnings
High impact (4-5)2of 15 briefs
ToneNegative1Mixed9Neutral5
earnings 9leadership 3m&a 2shareholder 1
Nov 5, 4:06 PM ET

Alpha and Omega Semiconductor Q1 revenue rises 4.3% sequentially, loss narrows

Mixed earnings 2.02

Alpha and Omega Semiconductor reported results for its fiscal first quarter of 2027, ended September 30, 2026. Revenue rose 4.3% from the June quarter to $177.8 million but fell 2.6% from a year earlier, and the GAAP net loss was $6.1 million, or $0.20 per diluted share, compared with a $2.1 million loss a year earlier. The company expects fiscal second-quarter revenue of approximately $180 million, plus or minus $10 million, so shareholders face sequential improvement alongside a year-over-year decline in profit and sales.

  • Revenue was $177.8 million, up 4.3% from $170.4 million in the June 2026 quarter and down 2.6% from $182.5 million a year earlier.
  • GAAP net loss was $6.1 million, or $0.20 per diluted share, versus a $13.1 million loss ($0.43) in the June quarter and a $2.1 million loss ($0.07) a year earlier.
  • Non-GAAP net loss was $2.1 million, or $0.07 per share, compared with non-GAAP net income of $4.2 million ($0.13 per share) a year earlier.
  • Fiscal Q2 guidance: revenue of approximately $180 million, plus or minus $10 million, and GAAP gross margin of 25.1%, plus or minus 1%.
Read the filing on SEC.gov ↗
Aug 12, 4:11 PM ET

AOS Q4 revenue falls 3.5% to $170.4 million; first-quarter revenue guided to $176 million

Mixed earnings Written later 2.02

Alpha and Omega Semiconductor (AOS) reported fiscal fourth-quarter revenue of $170.4 million, down 3.5% from a year earlier and up 4.0% from the March quarter, with a GAAP net loss of $13.1 million, or $0.43 per diluted share, compared with a $77.1 million loss a year earlier. It guided fiscal first-quarter revenue to $176 million, plus or minus $10 million. Revenue and non-GAAP profit declined year over year, while the quarter improved from the prior quarter.

  • Q4 revenue was $170.4 million, versus $176.5 million a year earlier and $163.8 million in the March 2026 quarter.
  • GAAP net loss was $13.1 million ($0.43 per diluted share), versus a $77.1 million loss ($2.58 per share) a year earlier; non-GAAP net loss was $0.13 per share, versus non-GAAP earnings of $0.02 per share a year earlier.
  • Fiscal 2026 revenue was $678.9 million, versus $696.2 million in fiscal 2025; GAAP net loss was $42.3 million, versus $97.0 million.
  • Guidance for the quarter ending September 30, 2026: revenue of $176 million plus or minus $10 million and non-GAAP gross margin of 24.5% plus or minus 1%.
Read the filing on SEC.gov ↗
Jul 10, 4:06 PM ET

AOS appoints Joshua Chien as independent director effective July 8, 2026

Neutral leadership Written later 5.02

Alpha and Omega Semiconductor's board appointed Joshua Chien, former Chief Commercial Officer of SMTC Corporation, as an independent director on July 8, 2026, effective immediately. He serves until the 2026 annual general meeting of shareholders, and the filing describes him as a non-employee director compensated under the company's standard policy.

  • Appointed by the Board on July 8, 2026, upon recommendation from the Nominating and Corporate Governance Committee
  • Annual cash retainer of $60,000 and annual restricted share unit award valued at $170,000
  • Mr. Chien was Chief Commercial Officer of SMTC Corporation from 2021 to April 2026 and currently serves as EVP, Product & Strategy Officer at Sonatus, Inc.
Read the filing on SEC.gov ↗
May 12, 4:05 PM ET

Alpha & Omega Semiconductor completes $150 million sale of Chongqing venture stake

Neutral m&a Written later 2.01

On July 14, 2025, Alpha & Omega Semiconductor agreed to sell about 20.3% of the equity in its Chongqing, China power semiconductor joint venture to SIMIC Holdings Co., Ltd. The company received the final of four cash installments, totaling $150 million, on May 11, 2026, and the transaction was completed that day. The filing says the disposed interest was not significant under Regulation S-X, so no pro forma financial statements were provided.

  • Sold about 20.3% of the equity interest in the joint venture, which covers power semiconductor packaging, testing and 12-inch wafer fabrication in Chongqing, China.
  • Aggregate cash consideration of $150 million, paid in four installments; the last installment was received May 11, 2026.
  • Filing states the equity interest disposed of was not significant under Rule 11-01(b)(2) of Regulation S-X, and no pro forma financial statements are included.
Read the filing on SEC.gov ↗
May 6, 4:11 PM ET

AOS Q3 revenue $163.8 million, down 0.5% year over year; net loss $13.8 million

Mixed earnings Written later 2.02

Alpha and Omega Semiconductor reported fiscal third-quarter 2026 results for the quarter ended March 31, 2026, with revenue of $163.8 million, up 0.9% from the prior quarter but down 0.5% from a year earlier. GAAP net loss widened to $13.8 million, or $0.46 per diluted share, from $10.8 million, or $0.37 per share, a year earlier, and management guided fiscal fourth-quarter revenue to approximately $168 million, plus or minus $10 million.

  • Q3 revenue $163.8 million, up 0.9% sequentially and down 0.5% year over year
  • GAAP net loss $13.8 million ($0.46 per diluted share) vs. $10.8 million ($0.37) a year earlier
  • Non-GAAP net loss $8.3 million ($0.28 per share) vs. $2.9 million ($0.10) a year earlier
  • Fiscal Q4 guidance (quarter ending June 30, 2026): revenue about $168 million, plus or minus $10 million; GAAP gross margin 22.3%, plus or minus 1%
Read the filing on SEC.gov ↗
Apr 17, 4:11 PM ET

AOSL director Lucas Chang to retire from board effective April 17, 2026

Neutral leadership Written later 5.02

Alpha & Omega Semiconductor said director Dr. Lucas S. Chang notified the company on April 13, 2026 of his decision to retire from its Board of Directors, effective April 17, 2026. The filing does not state a reason for the retirement or name a replacement.

  • Dr. Lucas S. Chang notified the company on April 13, 2026 of his retirement decision
  • Retirement from the Board of Directors is effective April 17, 2026
  • The filing does not announce a successor director or a reason for the departure
Read the filing on SEC.gov ↗
Mar 9, 4:01 PM ET

AOSL Sets 2026 Executive Bonus Plan Tied to Adjusted EPS and Revenue

Neutral shareholder Written later 5.02

Alpha and Omega Semiconductor approved a 2026 incentive cash bonus plan for executive officers, with payouts based on adjusted earnings per share and revenue targets. The filing gives bonus percentages of base salary for named executives, including the CEO at 23% minimum, 100% target and 220% maximum.

  • Plan approved by the Compensation Committee on March 5, 2026, covering the 2026 calendar year
  • Payouts range from $0 to a maximum, based on adjusted EPS and revenue, with a specified minimum on each measure
  • CEO Stephen Chang: 23% minimum, 100% target, 220% maximum of base salary
  • CFO Yifan Liang, Bing Xue and Wenjun Li: 16% minimum, 70% target, 154% maximum
Read the filing on SEC.gov ↗
Feb 5, 4:01 PM ET

Alpha and Omega Semiconductor Q2 revenue falls 6.3% to $162.3 million, loss widens

Negative earnings Written later 2.02

Alpha and Omega Semiconductor reported fiscal second-quarter 2026 revenue of $162.3 million, down 6.3% from a year earlier, and a GAAP net loss of $13.3 million, compared with $6.6 million a year earlier. Guidance for the March quarter calls for revenue of about $160 million, plus or minus $10 million, so shareholders face a weaker top line and continued losses.

  • Q2 revenue was $162.3 million, down from $173.2 million a year earlier and $182.5 million in the prior quarter
  • GAAP net loss was $13.3 million, or $0.45 per diluted share, versus a $6.6 million loss, or $0.23 per share, a year earlier
  • Fiscal Q3 guidance (ending March 31, 2026): revenue about $160 million, plus or minus $10 million; GAAP gross margin 20.2%, plus or minus 1%
  • Cash and cash equivalents were $196.3 million at December 31, 2025; operating activities used $8.1 million in the quarter
Read the filing on SEC.gov ↗
Nov 5, 4:01 PM ET

AOS Q1 revenue rises 3.4% to $182.5 million; Q2 revenue guided to about $160 million

Mixed earnings Written later 2.02

AOS reported fiscal first-quarter 2026 revenue of $182.5 million, up 3.4% from the June quarter and flat from a year earlier, and a GAAP net loss of $2.1 million, down from $77.1 million in the June quarter. The company expects fiscal second-quarter revenue of approximately $160 million, plus or minus $10 million, which is below the current quarter. Shareholders face a narrower loss alongside a lower revenue outlook.

  • Revenue was $182.5 million, up 3.4% from the June 30, 2025 quarter and flat from the September 30, 2024 quarter.
  • GAAP net loss was $2.1 million, or $0.07 per diluted share, versus a $77.1 million loss ($2.58 per share) in the prior quarter.
  • Non-GAAP net income was $4.2 million, or $0.13 per diluted share, versus $0.21 a year earlier.
  • Fiscal Q2 revenue is expected to be approximately $160 million, plus or minus $10 million, for the quarter ending December 31, 2025.
Read the filing on SEC.gov ↗
Aug 6, 4:01 PM ET

AOS posts $77.1M Q4 net loss on $76.8M impairment as revenue rises 9.4%

Mixed earnings Written later 2.02

Alpha and Omega Semiconductor reported fiscal fourth-quarter revenue of $176.5 million, up 9.4% from a year earlier, and guided fiscal first-quarter revenue to $183 million plus or minus $10 million. GAAP net loss widened to $77.1 million, or $2.58 per diluted share, mainly because of a $76.8 million impairment of its equity method investment, while non-GAAP diluted EPS was $0.02 versus $0.09 a year earlier.

  • Q4 revenue $176.5 million, up 9.4% year over year and 7.2% sequentially; GAAP gross margin 23.4% versus 25.7% a year earlier
  • GAAP net loss $77.1 million ($2.58 per diluted share) versus a $2.7 million loss ($0.09 per share) a year earlier, including a $76.8 million equity method investment impairment
  • Fiscal 2025 revenue $696.2 million versus $657.3 million; GAAP net loss $97.0 million ($3.30 per share) versus $11.1 million
Read the filing on SEC.gov ↗
Jul 14, 8:30 AM ET

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

Mixed m&a Written later 1.017.01

Alpha & Omega Semiconductor agreed to sell about 20.3% of its Chongqing joint venture, CQJV, to a strategic investor for $150 million in cash, paid in four installments. The company expects to close the sale before the end of 2025 and plans to use the proceeds for technology, R&D and asset acquisitions. It also expects a GAAP impairment charge on its CQJV investment for the quarter ended June 30, 2025, though the filing does not state the amount.

  • Cash consideration of $150 million: about $94 million, $11 million, $30 million and $15 million across four installments
  • AOS owned about 39.2% of CQJV before the sale; the stake sold is roughly half of its holding
  • GAAP impairment charge expected for the quarter ended June 30, 2025; amount not disclosed
  • Either party may terminate if all four installments are not completed within 270 days of the agreement date
Read the filing on SEC.gov ↗
May 7, 4:02 PM ET

AOS fiscal Q3 revenue rose 9.7% to $164.6 million; GAAP net loss $10.8 million

Mixed earnings Written later 2.02

Alpha and Omega Semiconductor (AOS) reported fiscal third-quarter 2025 results for the quarter ended March 31, 2025. Revenue rose 9.7% from a year earlier to $164.6 million but fell 4.9% from the prior quarter, and the GAAP net loss was $10.8 million, or $0.37 per diluted share, compared with a $0.23 loss per share in the prior quarter. The company guided fiscal fourth-quarter revenue to approximately $170 million, plus or minus $10 million, compared with the $164.6 million reported for the quarter just ended.

  • Revenue was $164.6 million, down 4.9% from the December 2024 quarter and up 9.7% from the March 2024 quarter.
  • GAAP net loss was $10.8 million, or $0.37 per diluted share, versus a $0.23 loss per share in the prior quarter and a $0.39 loss per share a year earlier.
  • Non-GAAP net loss was $2.9 million, or $0.10 per share, compared with non-GAAP net income of $0.09 per share in the prior quarter.
  • Fiscal fourth-quarter 2025 revenue outlook is approximately $170 million, plus or minus $10 million; GAAP gross margin is expected at 22.9%, plus or minus 1%.
Read the filing on SEC.gov ↗
Mar 4, 4:01 PM ET

AOS: Executive Chairman Mike Chang steps down to Strategic Initiative EVP role

Neutral leadership Written later 5.02

Alpha & Omega Semiconductor said Executive Chairman Dr. Mike F. Chang resigned that role effective March 3, 2025, and will remain a director and Chairman of the Board. He was appointed Executive Vice President of Strategic Initiative the same day, with his base salary reduced to $425,000 and his target cash bonus cut to 70% of salary. The filing also sets 2025 executive bonus targets tied to non-GAAP earnings per share and revenue.

  • Dr. Mike F. Chang resigned as Executive Chairman on March 3, 2025, and remains a director and Chairman of the Board
  • Base salary reduced to $425,000 per year; target annual cash bonus reduced to 70% of base salary
  • Granted 22,500 time-vesting RSUs and 22,500 performance-vesting RSUs, effective March 17, 2025
  • 2025 bonus plan pays from $0 to a maximum, based on non-GAAP EPS and revenue; CEO Stephen Chang target bonus is 100% of salary
Read the filing on SEC.gov ↗
Feb 5, 4:01 PM ET

AOS fiscal Q2 revenue rose 4.8% to $173.2 million; GAAP net loss widened

Mixed earnings Written later 2.02

AOS reported fiscal second-quarter 2025 results for the quarter ended December 31, 2024, with revenue of $173.2 million, down 4.8% from the prior quarter and up 4.8% from a year earlier. GAAP net loss was $6.6 million, or $0.23 per diluted share, compared with a $2.9 million loss, or $0.10 per share, a year earlier. The company expects fiscal third-quarter revenue of about $158 million, plus or minus $10 million, which is below the current quarter.

  • Revenue $173.2 million, down 4.8% from the prior quarter and up 4.8% year over year
  • GAAP net loss $6.6 million ($0.23 per diluted share) vs. $2.9 million loss ($0.10) a year earlier
  • Non-GAAP net income $2.7 million, or $0.09 per diluted share; GAAP gross margin 23.1%
  • Fiscal Q3 outlook (quarter ending March 31, 2025): revenue approximately $158 million, plus or minus $10 million; GAAP gross margin 21.5%, plus or minus 1%
Read the filing on SEC.gov ↗
Nov 4, 4:01 PM ET

AOS revenue rises 12.8% to $181.9 million; Q2 outlook points to about $170 million

Mixed earnings Written later 2.02

Alpha and Omega Semiconductor reported fiscal first-quarter 2025 revenue of $181.9 million, up 12.8% from the prior quarter but up only 0.7% from a year earlier, with a GAAP net loss of $2.5 million. For the fiscal second quarter ending December 31, 2024, the company expects revenue of approximately $170 million, plus or minus $10 million, which is below the current quarter and points to a sequential decline.

  • Q1 revenue was $181.9 million, up 12.8% from the prior quarter and 0.7% from the same quarter last year.
  • GAAP net loss was $2.5 million, or $0.09 per diluted share, compared with net income of $5.8 million a year earlier.
  • Non-GAAP diluted EPS was $0.21, compared with $0.33 in the same quarter last year.
  • Q2 guidance calls for revenue of about $170 million, plus or minus $10 million, and GAAP gross margin of 24%, plus or minus 1%.
Read the filing on SEC.gov ↗

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.

Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every Alpha and Omega Semiconductor filing is on SEC EDGAR ↗. 8-K briefs of other companies →