Insider Ownership Activity for Chenming Hu

SEC Forms 3/4/5 positions, issuer links, and transaction evidence for this reporting owner.

Linked issuers

2

Largest position

ACM Research, Inc.

Disclosed value

$4.86M

Transaction activity

Available

Ownership signals CIK-linked ownership evidence from parsed SEC filings. 1 signal
Owner position snapshot (Forms 3/4/5)

Forms 3/4/5 show a reporting owner's SEC-disclosed positions and transactions. They provide ownership context, not a complete public-float ownership table.

Estimated owner position value

3/4/5
$4.86M

Estimated from parsed Forms 3/4/5 when filings include enough holding data.

Issuers linked to this owner

3/4/5
2

Distinct issuers connected to this reporting owner in parsed SEC filings.

Latest parsed reporting-owner filing

SEC
04 Sep 2025

Most recent reporting-owner filing date in the parsed SEC record.

How to read Forms 3/4/5 positions
  • Reported values are filing-backed estimates from parsed SEC Forms 3/4/5 when the filing includes enough share and price data.
  • Use this as reporting-owner context, not as a full capitalization table or a public-float ownership breakdown.
Identity Who this page is about. 1 identity field
Location
Alamo, CA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest SEC signature
By: /s/ Michael Morehead, Attorney-in-Fact For: Chenming Hu
Source evidence Original filing metadata and source links for verification. 1 source field
SEC filing history
Open SEC filing history

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Reported issuer positions for Chenming Hu

ACMR Forms 3/4/5

ACM Research, Inc.

Relationship
Director
Holdings value
$3,000,060
Past year net change
Change %
Report period
17 Mar 2025
AMBA Forms 3/4/5

AMBARELLA INC

Relationship
Director
Holdings value
$1,856,261
Past year net change
Change %
Report period
02 Sep 2025

Recent insider transactions for Chenming Hu

Sym Company Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
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