Arkolith/Insider Trading/QTRX/Form 4

Miller Michael Francis

Chief Operating OfficerQuanterix Corp (QTRX) · full profile →Form 4 · filed Mar 17, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
15
10 non-derivative · 5 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 15, 2026Option exercise(M)136——30K
Mar 15, 2026Tax withholding(F)293$4.72$1K31K
Mar 15, 2026Option exercise(M)135——31K
Mar 15, 2026Tax withholding(F)48$4.72$22730K
Mar 15, 2026Option exercise(M)372——31K
Mar 15, 2026Tax withholding(F)131$4.72$61831K
Mar 15, 2026Option exercise(M)834——32K
Mar 15, 2026Tax withholding(F)29$4.72$13730K
Mar 15, 2026Option exercise(M)81——30K
Mar 15, 2026Tax withholding(F)48$4.72$22730K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 15, 2026Option exercise(M)81—$0922
Mar 15, 2026Option exercise(M)136—$02K
Mar 15, 2026Option exercise(M)135—$03K
Mar 15, 2026Option exercise(M)372—$010K
Mar 15, 2026Option exercise(M)834—$09K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002120516-26-000004) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML