Alpha & Omega Semiconductor (NASDAQ: AOSL) EVP sells 1,845 shares at $20.56

Rhea-AI Filing Summary

Alpha & Omega Semiconductor executive Bing Xue reported a sale of company stock. On 12/15/2025, the EVP, WW Sales & Business Development sold 1,845 common shares at $20.56 per share under a Rule 10b5-1 trading plan adopted on August 14, 2025.

After this transaction, Xue beneficially owns 127,863 common shares. This includes 14,154 unvested shares from performance share units granted on March 15, 2022 and March 15, 2024, 45,000 unvested shares from market-based performance share units granted on July 1, 2018, and an aggregate of 40,000 shares subject to restricted share unit awards granted on March 15, 2022, March 15, 2023, March 15, 2024, and March 17, 2025. It excludes 15,000 unvested common shares from a March 17, 2025 performance share unit grant that may vest upon achievement of corporate performance goals.

Insider Trade Summary

Net Seller: 1,845 shares ($37,933)

Net Sell 1 txn

Insider Xue Bing

Role EVP-WW Sales & Bus Development

Sold 1,845 shs ($38K)

Type	Security	Shares	Price	Value
Sale	Common Share	1,845	$20.56	$38K

Holdings After Transaction: Common Share — 127,863 shares (Direct)

Footnotes (1)

1. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2025. The price reported in Column 4 is the exact price at which all shares were sold. Includes 14,154 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2022 and March 15, 2024 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person. Includes 45,000 unvested shares subject to the Market-Based Performance Share Unit (MSU) granted on July 01, 2018 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person. Includes an aggregate of 40,000 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2022, March 15, 2023, March 15, 2024, and March 17, 2025 which will be issued as such units vest in accordance with their terms, and excludes 15,000 unvested common shares subject to the PSU granted on March 17, 2025, which may become vested upon achievement of certain corporate performance goals in the future.

Form 4 Insider Transactions: What Each Field Means →

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).

X

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 CA 94085

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

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

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

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Share	12/15/2025		S		1,845(1)	D	$20.56(2)	127,863(3)(4)(5)	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

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 14,154 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2022 and March 15, 2024 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.

4. Includes 45,000 unvested shares subject to the Market-Based Performance Share Unit (MSU) granted on July 01, 2018 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.

5. Includes an aggregate of 40,000 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2022, March 15, 2023, March 15, 2024, and March 17, 2025 which will be issued as such units vest in accordance with their terms, and excludes 15,000 unvested common shares subject to the PSU granted on March 17, 2025, which may become vested upon achievement of certain corporate performance goals in the future.

Remarks:

	/s/ Yanbing Hong, attorney-in-fact for Bing Xue	12/16/2025
	** 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.

FAQ

What insider transaction did ALPHA & OMEGA SEMICONDUCTOR (AOSL) report?

The company reported that executive Bing Xue, EVP, WW Sales & Business Development, sold 1,845 common shares of Alpha & Omega Semiconductor on 12/15/2025.

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

The 1,845 common shares were sold at a price of $20.56 per share, as reported in the transaction details.

Was the AOSL stock sale by Bing Xue under a Rule 10b5-1 trading plan?

Yes. The filing states that the sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 14, 2025.

How many AOSL shares does Bing Xue beneficially own after the transaction?

Following the sale, Bing Xue beneficially owns 127,863 common shares of Alpha & Omega Semiconductor.

What unvested performance share units (PSUs and MSUs) are included in Bing Xues AOSL holdings?

The beneficial ownership includes 14,154 unvested shares from PSUs granted on March 15, 2022 and March 15, 2024, and 45,000 unvested shares from a market-based PSU (MSU) grant dated July 1, 2018, all subject to service-based vesting conditions.

What restricted share units (RSUs) and additional PSUs are disclosed for AOSL executive Bing Xue?

The filing notes an aggregate of 40,000 shares subject to RSU awards granted on March 15, 2022, March 15, 2023, March 15, 2024, and March 17, 2025, which will be issued as those units vest. It also mentions 15,000 unvested common shares from a PSU grant on March 17, 2025 that may vest upon achievement of certain corporate performance goals.