Insider · CIK 0001205236
David R Walt
director
Files at QTRX (Quanterix Corp). First filing Jun 9, 2025, latest Jun 13, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
2 / 0
$2.1M bought, $0 sold
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 63Notable | Quanterix Corp | $985k 160,000 shares | +9% | - | |
| 58Moderate | Quanterix Corp | $1.1M 210,000 shares | +14% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | QTRX Quanterix Corp | AGrant or award Common Stock | +2,148 | $6.69 | $14k | 1,869,081 | Jul 2, 2025 |
| Jun 12, 2025 | QTRX Quanterix Corp | POpen-market purchase Common Stock | +36,010 | $6.23 | $224k | 1,742,943 | Jun 13, 2025 |
| Jun 13, 2025 | QTRX Quanterix Corp | POpen-market purchase Common Stock | +123,990 | $6.14 | $761k | 1,866,933 | Jun 13, 2025 |
| Jun 6, 2025 | QTRX Quanterix Corp | POpen-market purchase Common Stock | +131,869 | $5.43 | $717k | 1,628,802 | Jun 9, 2025 |
| Jun 9, 2025 | QTRX Quanterix Corp | POpen-market purchase Common Stock | +78,131 | $5.34 | $417k | 1,706,933 | Jun 9, 2025 |
| Apr 1, 2025 | QTRX Quanterix Corp | AGrant or award Common Stock | +2,156 | $6.67 | $14k | 1,496,933 | Apr 3, 2025 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.