AOSL EVP sells 4,916 shares under 10b5-1 plan

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Form Type

Rhea-AI Filing Summary

Alpha & Omega Semiconductor executive vice president of worldwide sales and business development Bing Xue reported an open-market sale of 4,916 common shares at $47.09 per share on June 16, 2026, executed under a pre-arranged Rule 10b5-1 trading plan adopted on August 14, 2025.

Following this transaction, Xue directly owns 123,660 shares, which include 18,750 unvested Performance Share Unit shares, 22,500 unvested Market-Based Performance Share Unit shares, 38,750 shares subject to Restricted Share Unit awards that will be issued as they vest, and 875 shares acquired through the company’s Employee Stock Purchase Plan.

Insider Trade Summary 10b5-1

Net Seller: 4,916 shares

Net Sell 1 txn

Insider Xue Bing

Role EVP-WW Sales & Bus Development

Sold 4,916 shs ($231K)

Type	Security	Shares	Price	Value
Sale	Common Share	4,916	$47.09	$231K

Holdings After Transaction: Common Share — 123,660 shares (Direct)

Footnotes (6)

F1. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2025.
F2. The price reported in Column 4 is the exact price at which all shares were sold.
F3. Includes 18,750 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2024 and March 17, 2025 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.
F4. Includes 22,500 unvested shares subject to the Market-Based Performance Share Unit (MSU) granted on July 1, 2018 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.
F5. Includes an aggregate of 38,750 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2023, March 15, 2024, March 17, 2025, and March 16, 2026 which will be issued as such units vest in accordance with their terms, and excludes 15,000 unvested shares subject to the PSU granted on March 16, 2026, which may become vested upon achievement of certain corporate performance goals in the future.
F6. Reflects 875 shares acquired under the Issuer's Employee Stock Purchase Plan on May 14, 2026.

Key Figures

Shares sold: 4,916 shares Sale price: $47.09 per share Shares held after transaction: 123,660 shares +4 more

7 metrics

Shares sold 4,916 shares Open-market sale on June 16, 2026

Sale price $47.09 per share Exact price for all sold shares

Shares held after transaction 123,660 shares Total direct holdings following the sale

Unvested PSU shares 18,750 shares Performance Share Units granted March 15, 2024 and March 17, 2025

Unvested MSU shares 22,500 shares Market-Based Performance Share Units granted July 1, 2018

RSU-related shares 38,750 shares Shares subject to RSU awards to be issued as they vest

ESPP shares acquired 875 shares Shares acquired under Employee Stock Purchase Plan on May 14, 2026

Key Terms

Rule 10b5-1 trading plan, Performance Share Unit (PSU), Market-Based Performance Share Unit (MSU), Restricted Share Unit awards (RSU), +1 more

5 terms

Rule 10b5-1 trading plan regulatory

"The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2025."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Employee Stock Purchase Plan financial

"Reflects 875 shares acquired under the Issuer's Employee Stock Purchase Plan on May 14, 2026."

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did AOSL executive Bing Xue report?

Bing Xue reported an open-market sale of 4,916 Alpha & Omega Semiconductor common shares. The shares were sold at a price of $47.09 each under a pre-arranged Rule 10b5-1 trading plan, indicating the sale was scheduled in advance rather than timed discretionarily.

At what price were the AOSL shares sold by Bing Xue?

The 4,916 Alpha & Omega Semiconductor shares were sold at an exact price of $47.09 per share. A footnote clarifies this was the uniform price for all shares in the transaction, rather than a weighted average across multiple trade executions on that date.

How many AOSL shares does Bing Xue hold after the reported sale?

After the transaction, Bing Xue holds 123,660 Alpha & Omega Semiconductor shares. This total includes time-vested and performance-based equity awards, such as RSUs, PSUs, and MSUs, alongside shares previously acquired, providing a combined picture of his current equity exposure to the company.

Was the AOSL insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the sale was effected under a Rule 10b5-1 trading plan adopted on August 14, 2025. Such plans allow insiders to pre-schedule trades, helping separate routine portfolio management from discretionary trading based on short-term market developments.

What unvested AOSL equity awards are included in Bing Xue’s holdings?

His holdings include 18,750 unvested Performance Share Unit shares, 22,500 unvested Market-Based Performance Share Unit shares, and 38,750 shares tied to Restricted Share Unit awards. These shares will vest or be issued over time, subject to service-based and performance-based conditions specified in the award terms.

Did Bing Xue recently acquire any AOSL shares through an employee stock plan?

Yes. A footnote notes that 875 shares were acquired under Alpha & Omega Semiconductor’s Employee Stock Purchase Plan on May 14, 2026. This plan-based purchase adds to his overall position and reflects ongoing participation in the company’s employee ownership programs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/17/2026 - 05:27 PM EDT

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Xue Bing

(Last)

(First)

(Middle)

475 OAKMEAD PKWY

(Street)

SUNNYVALE

CALIFORNIA

94085

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ALPHA & OMEGA SEMICONDUCTOR Ltd [ AOSL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP-WW Sales & Bus Development

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Share	06/16/2026		S		4,916⁽¹⁾	D	$47.09⁽²⁾	123,660⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁶⁾	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2025.

2. The price reported in Column 4 is the exact price at which all shares were sold.

3. Includes 18,750 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2024 and March 17, 2025 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.

4. Includes 22,500 unvested shares subject to the Market-Based Performance Share Unit (MSU) granted on July 1, 2018 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.

5. Includes an aggregate of 38,750 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2023, March 15, 2024, March 17, 2025, and March 16, 2026 which will be issued as such units vest in accordance with their terms, and excludes 15,000 unvested shares subject to the PSU granted on March 16, 2026, which may become vested upon achievement of certain corporate performance goals in the future.

6. Reflects 875 shares acquired under the Issuer's Employee Stock Purchase Plan on May 14, 2026.

Remarks:

	/s/ Yanbing Hong, attorney-in-fact for Bing Xue	06/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR