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Vandana Sriram bought $20k of QTRX

Chief Financial Officer at Quanterix Corp. 4,150 shares at an average of $4.79, traded Sep 12, 2025, filed Sep 17, 2025.

Conviction score
22
Value
$20k
4,150 shares
Holdings after
87,200
+5% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CFO
    +22
  • Trade size
    $20k at market
    0
  • Relative to holdings
    Holdings up 5.0%
    0
  • Price context
    No price history yet
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Rows in this filing

Every transaction in Form 4 0001908223-25-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 12, 2025POpen-market purchase
Common Stock
+4,150$4.79$20k87,200Sep 17, 2025

Related signals

Other insiders at Quanterix Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
63Notable
QTRXbuy 3
Quanterix Corp
David R Walt
director
$985k
160,000 shares
+9%
56Moderate
QTRXbuy 3
Quanterix Corp
Masoud Toloue
President & CEO
$249k
45,900 shares
+10%
58Moderate
QTRXbuy 3
Quanterix Corp
William P Donnelly
director
$506k
93,113 shares
+203%
58Moderate
QTRXbuy 3
Quanterix Corp
David R Walt
director
$1.1M
210,000 shares
+14%

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.

Vandana Sriram bought $20k of QTRX | InsiderTell