SEC Form 4 · accession 0002141457-26-000002
Quanterix Corp · QTRX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jason F. Faessler
Officer — Chief Financial Officer
Period of report
Jul 15, 2026
Accepted (ET)
Jul 16, 2026 · 5:31 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 | Jul 15, 2026 | A | 141,820 | A | — | — | Common Stock | 141,820 | 141,820 | D |
Explanation of responses
- F1On July 15, 2026, the reporting person was granted 141,820 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.