Transaction · 0001628280-26-061540

Chang Stephen Chunping

Chang Stephen Chunping, CEO, reported a transaction classified as gift at ALPHA OMEGA SEMICONDUCTOR Ltd involving 100947.000000 shares for an estimated $0.00. Reported holdings after the transaction were 100947.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

giftSEC transaction code GCEO
AOSLALPHA OMEGA SEMICONDUCTOR Ltd
Trade date
Aug 24, 2026
Filing date
Sep 11, 2026
View on SEC Insider profile
Disclosed value$0Shares × reported price
Shares traded100k$0.00 per share
Holdings after100kIndirect · By STEPHEN CHUPING CHANG TTEE TRUST
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
delayed filingThe filing was reported 18 calendar days after the transaction date.

AOSL price since this filing

Daily closing prices, with the filing date and available return windows
AOSL · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +19.7%1w ago +20.5%1d ago +2.4%
Returns since7d -1.5%30d +8.1%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
gift
Code G
Identifier
0001628280-26-061540
Common Share
Transaction date
Aug 24, 2026
Filed Sep 11, 2026, 08:03 PM · 18d delay
Shares
100,947 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
100,947 sh
Indirect · By STEPHEN CHUPING CHANG TTEE TRUST

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Delayed Filing Large Holdings Increase
Filing-only score

-22 points

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

How this score is calculated
  • gift-16 points

    transaction_code = G

    Gift transactions are not market activity.
  • delayed_filing-6 points

    reporting_delay_days = 18

    Filing delay exceeds the configured threshold.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    On August 24, 2026, the reporting person received 100,947 common shares to the STEPHEN CHUPING CHANG TTEE TRUST for no consideration. The reporting person is the trustee of the trust, and members of…

  2. F2

    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 t…

  3. F3

    Includes 79,375 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 conditi…

  4. F4

    Includes an aggregate of 161,250 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 v…

Original filing · 0001628280-26-061540
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