Quick Takeaways
- Steven Chu has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $2,360,177.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Steven Chu
- Location
- Santa Clara, CA
- Summary
- The estimated net worth of Steven Chu is at least $2,360,177 dollars as of 12 Mar 2026. Steven Chu is the Director of Amprius Technologies, Inc. and owns shares of Amprius Technologies, Inc. (AMPX) stock worth about $2.36M.
- Signature
- /s/ Ricardo C. Rodriguez, attorney-in-fact on behalf of Steven Chu
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Steven Chu and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Amprius Technologies, Inc. ($2,360,177).
- Past-year value change for that position: -$5,863,984.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Steven Chu
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| AMPX, AMPX-WT | Amprius Technologies, Inc. | Director | $2,360,177 | -$5,863,984 | -71% | 10 Mar 2026 |
| ZY | Zymergen Inc. | Director | 19 Oct 2022 |
Insider Transactions Reported by Steven Chu:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.