QTRX
Quanterix Corp · Healthcare · Market cap $128.6M
Insiders bought $286K net in the last 90 days ·0 sellers, 1 buyer· latest Form 4 filed Aug 14, 2026
Insider Buying
$296K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
2
in the rolling window
Latest filing
Oct 16, 2026
DONNELLY WILLIAM P
Quanterix Corp (QTRX) has 48 SEC Form 4 filings (154 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Oct 16, 2026.
Inside the rolling window, 2 insiders at Quanterix Corp reported 3 open-market purchases totaling $296K and no open-market sales. Insiders have net bought $296K over the trailing 6 months. The most recent open-market filing is a purchase of 27,155 shares by Director DONNELLY WILLIAM P, dated Aug 12, 2026, worth $75K.
- Industry:Medical - Devices
- CEO:Everett V. Cunningham
- Employees:450
- HQ:Billerica, MA, US
- IPO:2017-12-07
| Source | |||||||
|---|---|---|---|---|---|---|---|
DONNELLY WILLIAM PFirst filing | Director | Purchase | 27,155 | $75K | Aug 14 | +5.0% | SEC ↗ |
DONNELLY WILLIAM PFirst filing | Director | Purchase | 72,245 | $212K | Aug 14 | +5.0% | SEC ↗ |
Meadows BenjaminFirst filing | Chief Commercial Officer | Purchase | 3,500 | $10K | Jun 12 | -12.3% | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does QTRX have?
Quanterix Corp (QTRX) has 48 SEC Form 4 filings (154 transaction rows) in the rolling 365-day window, disclosed by 2 distinct insiders. Most recent filing: Oct 16, 2026.
When was the most recent SEC Form 4 filing for QTRX?
The most recent Form 4 filing for QTRX on Tracefour is dated Oct 16, 2026.
What is the net insider flow at QTRX over the last 6 months?
Over the trailing 180 days, insiders at QTRX have net bought $296K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at QTRX in the current window?
Inside the rolling window, insiders at QTRX bought $296K and sold $0 based on SEC Form 4 filings.
Can I get alerts for QTRX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Quanterix Corp (QTRX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Quanterix Corp is in the Healthcare sector.