SEC Form 4 · accession 0002148276-26-000002
Quanterix Corp · QTRX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
James Edward Gute Jr.
Officer — Chief Commercial Officer
Period of report
Sep 15, 2026
Accepted (ET)
Sep 17, 2026 · 5:03 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001503274
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitF1 | $0.00 | Sep 15, 2026 | A | 260,315 | A | — | — | Common Stock | 260,315 | 260,315 | D |
Explanation of responses
- F1On September 15, 2026, the reporting person was granted 260,315 restricted stock units. The RSUs vest in four equal annual installments on the first four anniversaries of the grant date, subject to the reporting person's continued employment with the issuer or one of its subsidiaries through the vesting dates.