Form 4: Quanterix CTO Reports Stock Transaction
Insider Transaction (Form 4)
Michael Francis Miller, Chief Technology Officer of Quanterix Corp, reported multiple transactions in common stock on July 31, 2026.
Summary
- Option exercise/conversion: acquired 130 Common Stock on July 31, 2026; holds 36,198 after (Direct).
- Tax/exercise-price withholding: disposed of 39 Common Stock at $3.48 ($136) on July 31, 2026; holds 36,159 after (Direct).
- Option exercise/conversion: disposed of 130 Restricted Stock Units on July 31, 2026; holds 159 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Michael Francis Miller — Officer (Chief Technology Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-07-31 | Option exercise/conversion | Common Stock | 130 | — | — | 36,198 |
| 2026-07-31 | Tax/exercise-price withholding | Common Stock | 39 | $3 | $136 | 36,159 |
| 2026-07-31 | Option exercise/conversion | Restricted Stock Units | 130 | — | — | 159 |
Key Dates
| Date | Description |
|---|---|
| 2026-07-31 | Option exercise/conversion (130 shares) |
| 2026-07-31 | Tax/exercise-price withholding (39 shares) |
| 2026-07-31 | Option exercise/conversion (130 shares) |
Keywords
insider transaction, Form 4, QTRX, Quanterix Corp, neutral, Michael Francis Miller
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