David R. Walt
CIK: 0001205236
David R. Walt's purchase track record
How the stock did after each of David R. Walt's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
3
of 3 since August 10, 2022
Stock higher 6 months later
67%
3 months: 33%
Median 6-month return
+42.1%
3 months: -15.3%
Beat the S&P 500
67%
median +27.6% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 6/6/2025 | QTRX | $2.12M | -15.3% | +42.1% | +14.5% |
| 8/20/2024 | QTRX | $625K | -16.3% | -41.4% | +9.5% |
| 8/10/2022 | QTRX | $1.29M | +10.4% | +66.0% | -2.2% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| QTRX | ▲ Buy | Grant | 1,215 | $0 | 1/2/2026 | View on chart |
| QTRX | ▲ Buy | Grant | 2,594 | $14K | 10/1/2025 | View on chart |
| QTRX | ▲ Buy | Grant | 2,148 | $14K | 7/1/2025 | View on chart |
| QTRX | ▲ Buy | Open Market | 123,990 | $761K | 6/13/2025 | View on chart |
| QTRX | ▲ Buy | Open Market | 36,010 | $224K | 6/12/2025 | View on chart |
| QTRX | ▲ Buy | Open Market | 78,131 | $417K | 6/9/2025 | View on chart |
| QTRX | ▲ Buy | Open Market | 131,869 | $717K | 6/6/2025 | View on chart |
| QTRX | ▲ Buy | Grant | 2,156 | $14K | 4/1/2025 | View on chart |
| QTRX | ▲ Buy | Grant | 7,435 | $0 | 1/2/2025 | View on chart |
| QTRX | ▲ Buy | Open Market | 47,000 | $625K | 8/20/2024 | View on chart |
| QTRX | ▲ Buy | Grant | 2,947 | $0 | 1/2/2024 | View on chart |
| QTRX | ▼ Sell | Gift | 1,000 | $0 | 3/9/2023 | View on chart |
| QTRX | ▲ Buy | Grant | 8,083 | $0 | 1/3/2023 | View on chart |
| QTRX | ▼ Sell | Gift | 1,000 | $0 | 10/12/2022 | View on chart |
| QTRX | ▲ Buy | Open Market | 150,000 | $1.3M | 8/10/2022 | View on chart |
| QTRX | ▲ Buy | Grant | 2,668 | $0 | 1/3/2022 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 27, 2026
Quanterix Highlights Spatial Biology Innovation at ESSB 2026
Quanterix announced it met its spatial biology content innovation commitments during the ESSB 2026 event. The company showcased new tools and data sets that support advanced spatial analysis. This demonstrates progress in its product roadmap and may strengthen its position in the spatial biology market.
Quanterix Highlights Spatial Biology Innovation at ESSB 2026. Quanterix announced it met its spatial biology content innovation commitments during the ESSB 2026 event. The company showcased new tools and data sets that support advanced spatial analysis. This demonstrates progress in its product roadmap and may strengthen its position in the spatial biology market.