Quick Takeaways
- Robert Chess has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $3,099,486.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Robert Chess
- Location
- South San Francisco, CA
- Summary
- The estimated net worth of Robert Chess is at least $3,099,486 dollars as of 19 Mar 2026. Robert Chess is the Director of Twist Bioscience Corp and owns shares of Twist Bioscience Corp (TWST) stock worth about $3.1M.
- Signature
- /s/ Kendra Fox, as Attorney-in-Fact for Robert Chess
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Robert Chess and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: Twist Bioscience Corp ($3,099,486).
- Past-year value change for that position: -$575,402.
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.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Robert Chess
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| TWST | Twist Bioscience Corp | Director | $3,099,486 | -$575,402 | -16% | 17 Mar 2026 |
| NKTR | NEKTAR THERAPEUTICS | Director | 30 Sep 2025 |
Insider Transactions Reported by Robert Chess:
| 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.