Quanterix Corp (QTRX) is a publicly traded company in the Unknown sector. Across all available filings, 39 corporate insiders have executed 1011 transactions totaling $54.4M, demonstrating a bearish sentiment with -$14.5M in net insider flow. The most recent transaction on Jan 15, 2026 involved a transaction of 1,817 shares valued at $14.4K.
No significant insider buying has been recorded for QTRX in the recent period.
No significant insider selling has been recorded for QTRX in the recent period.
Based on recent SEC filings, insider sentiment for QTRX is bearish with an Insider Alignment Score of 37/100 and a net flow of -$14.5M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at Quanterix Corp (QTRX) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 39 insiders are actively trading QTRX stock, having executed 1011 transactions in the past 90 days. The most active insider is E. Kevin Hrusovsky (Executive), who has made 184 transactions totaling $16.1M.
Get notified when executives and directors at QTRX file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 15, 2026 | Toloue Masoud | Executive | Payment | 1,817 | $7.95 | $14.4K | |
| Jan 15, 2026 | Sriram Vandana | Chief Financial Officer | Payment | 274 | $7.95 | $2.2K | C-Suite |
| Jan 2, 2026 | M. Meister Paul | Executive | Award | 3,974 | $N/A | $0 | |
| Jan 2, 2026 | Magovcevic-liebisch Ivana | Executive | Award | 23,372 | $N/A | $0 | |
| Jan 2, 2026 | Thomas Elliott Jeffrey | Executive | Award | 23,372 | $N/A | $0 | |
| Jan 2, 2026 | P. Donnelly William | Executive | Award | 2,377 | $N/A | $0 | |
| Jan 2, 2026 | Flynn Karen | Executive | Award | 23,372 | $N/A | $0 | |
| Jan 2, 2026 | Bruce Sachs Alan | Executive | Award | 23,372 | $N/A | $0 | |
| Jan 2, 2026 | Garret Hampton Malcolm | Executive | Award | 23,372 | $N/A | $0 | |
| Dec 15, 2025 | Toloue Masoud | Executive | Payment | 1,242 | $7.41 | $9.2K | |
| Dec 15, 2025 | Sriram Vandana | Executive | Payment | 229 | $7.41 | $1.7K | |
| Nov 30, 2025 | Toloue Masoud | Executive | Payment | 254 | $7.26 | $1.8K | |
| Nov 20, 2025 | Garret Hampton Malcolm | Executive | Award | 46,727 | $N/A | $0 | |
| Nov 20, 2025 | Bruce Sachs Alan | Executive | Award | 46,727 | $N/A | $0 | |
| Nov 15, 2025 | Toloue Masoud | Executive | Payment | 1,242 | $5.74 | $7.1K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 554 | $34.4M | 57.8% |
Purchase(P) | 20 | $19.9M | 33.5% |
Exercise(M) | 102 | $3.2M | 5.4% |
Award(A) | 199 | $1.2M | 2.0% |
Payment(F) | 64 | $732.1K | 1.2% |
Gift(G) | 2 | $0 | 0.0% |
Other(J) | 41 | $0 | 0.0% |
Conversion(C) | 29 | $0 | 0.0% |
Insider selling pressure at Quanterix Corp has increased, with 39 insiders executing 1011 transactions across all time. Total sales of $34.4M significantly outpace purchases of $19.9M, resulting in a net outflow of $14.5M. This selling activity appears largely discretionary, which may warrant closer attention from investors.