Filings (90d)
0
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies David R. Walt files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- William P. Donnelly - $286K in QTRX purchases and sales in the last 12 months
- Benjamin Meadows - $10K in QTRX purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is David R. Walt?
David R. Walt is a corporate insider of Quanterix Corp (QTRX). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did David R. Walt last file a Form 4?
The most recent primary Form 4 on record is dated 1 October 2025, one of 5 filings going back to 2025.
Has David R. Walt been buying or selling stock?
Recorded transactions: 4 open-market purchases ($2.12M) and 0 open-market sales across all tracked filings.
