Sriram Vandana, chief financial officer of Quanterix (QTRX), has filed 38 Form 4 transactions over the past year, yet the pattern reveals no discretionary buying or selling. The total buy value of $19,878.50 is entirely attributable to automatic share withholdings to cover tax obligations (code F) tied to option exercises (code M), which carry zero dollar values. There are no open-market purchases (code P), no open-market sales (code S), and no sales back to the issuer (code D) in the record. The most recent filing, dated June 15, 2026, shows three paired M/F transactions totaling roughly $1,699 in withheld shares, mirroring the structure of prior monthly filings.
The cadence is mechanical: on the 15th of each month from March through June 2026, Vandana exercised options and immediately had a portion of the resulting shares withheld to satisfy tax liabilities. The dollar values of these withholdings have fluctuated—ranging from $217.25 to $1,751.12 per transaction—but the pattern is consistent. A single grant (code A) appeared on February 15, 2026, with no associated value, indicating a compensation award rather than a market transaction.
Across all 38 filings, the aggregate picture is one of routine equity compensation administration rather than directional conviction. Vandana has not initiated a single open-market buy or sell in QTRX during the covered period. The absence of P or S codes, combined with the predictable monthly rhythm of M/F pairs, suggests the insider is simply managing the mechanics of vested equity awards. For investors monitoring insider sentiment, the data offers no signal—neither accumulation nor distribution—just the standard administrative churn of a CFO's compensation package.
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