Quick Takeaways
- David R. Walt has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $11,913,078.
- Recent insider filing activity is available below.
Insider Trading & Ownership of David R. Walt
- Location
- San Diego, CA
- Summary
- The estimated net worth of David R. Walt is at least $11,913,078 dollars as of 06 Jan 2026. David R. Walt is the Director of Quanterix Corp and owns shares of Quanterix Corp (QTRX) stock worth about $11.91M.
- Signature
- /s/ Bonnie McManus, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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What Changed
- Largest disclosed position: Quanterix Corp ($11,913,078).
- Past-year value change for that position: +$2,118,764.
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 David R. Walt
QTRX
Forms 3/4/5
Quanterix Corp
- Relationship
- Director
- Holdings value
- $11,913,078
- Past year net change
- +$2,118,764
- Change %
- +22%
- Report period
- 02 Jan 2026
Insider Transactions Reported by David R. Walt:
| 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.