SEC reporting owner

Chu Steven SEC insider disclosures

Explore Chu Steven's reporting-owner identity, issuer relationships, purchases, sales and SEC filing receipts.

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

Reporting owner CIK
0001296381
Issuers
3
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.

NVIDIA CORP0001045810NVDANoYes
Zymergen Inc.0001645842ZYNoYes
Amprius Technologies, Inc.0001899287AMPXNoYes

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.

2026-06-172026-06-12AMPXA10,423Not reported
2026-03-132026-03-12AMPXS5,565Not reported
2026-03-132026-03-12AMPXS50,000Not reported
2026-03-132026-03-12AMPXS100,000Not reported
2026-03-132026-03-10AMPXS166,632Not reported
2025-06-182025-06-13AMPXA44,444Not reported
2024-10-262024-10-23AMPXA173,554Not reported
2024-10-262024-10-23AMPXA173,554Not 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.