SEC reporting owner

CHANG KUO WEI HERBERT SEC insider disclosures

Explore CHANG KUO WEI HERBERT's reporting-owner identity, issuer relationships, purchases, sales and SEC filing receipts.

As of 2026-10-07T00:29:11.873Z

Reporting owner CIK
0001192171
Issuers
2
Coverage
verified

Issuer relationships

A reporting-owner CIK identifies the filer across issuer relationships and name aliases. A filer may be an individual or an organization; the filing role is the relevant evidence.

MARVELL TECHNOLOGY GROUP LTD0001058057MRVLNoYes
MONOLITHIC POWER SYSTEMS INC0001280452MPWRNoYes

Recent SEC transactions

Code P identifies a purchase, S a sale and A an award. Awards and open-market purchases describe different events. Use the public availability date when deciding when a researcher could have known about the transaction.

2026-08-262026-08-24MPWRS50Not reported
2026-08-142026-08-11MPWRS50Not reported
2026-02-062026-02-03MPWRA189Not reported
2025-11-262025-11-25MPWRS100Not reported
2025-11-252025-11-21MPWRS100Not reported
2025-05-142025-05-13MPWRS50Not reported
2025-05-132025-05-12MPWRS100Not reported
2025-05-102025-05-08MPWRS100Not reported
2025-02-072025-02-04MPWRA335Not reported

Up to 50 transactions from the recent two-year owner window.

Source evidence and strategy eligibility

The transactions below come from filings; a historical tracker separately simulates following eligible events. Joint filers can report the same transaction, and an owner can have filings at multiple companies. Public availability, amendment lineage and verified coverage determine which events a historical tracker may use.

The current directory marks this owner's filing coverage verified.