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Quanterix Corp — Director's Dealing 2026
Mar 17, 2026
33531_dirs_2026-03-17_fb2bd05c-b400-44c9-bd29-7070567150da.zip
Director's Dealing
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SEC Form 4 — Statement of Changes in Beneficial Ownership
Issuer: Quanterix Corp (QTRX)
CIK: 0001503274
Period of Report: 2026-03-15
Reporting Person: Miller Michael Francis (N/A)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2026-03-15 | Common Stock | M | 81.00 | — | Acquired | 30343.00 | Direct |
| 2026-03-15 | Common Stock | F | 29.00 | $4.72 | Disposed | 30314.00 | Direct |
| 2026-03-15 | Common Stock | M | 136.00 | — | Acquired | 30450.00 | Direct |
| 2026-03-15 | Common Stock | F | 48.00 | $4.72 | Disposed | 30402.00 | Direct |
| 2026-03-15 | Common Stock | M | 135.00 | — | Acquired | 30537.00 | Direct |
| 2026-03-15 | Common Stock | F | 48.00 | $4.72 | Disposed | 30489.00 | Direct |
| 2026-03-15 | Common Stock | M | 372.00 | — | Acquired | 30861.00 | Direct |
| 2026-03-15 | Common Stock | F | 131.00 | $4.72 | Disposed | 30730.00 | Direct |
| 2026-03-15 | Common Stock | M | 834.00 | — | Acquired | 31564.00 | Direct |
| 2026-03-15 | Common Stock | F | 293.00 | $4.72 | Disposed | 31271.00 | Direct |
Derivative Transactions
| Date | Security | Exercise Price | Code | Shares | A/D | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| 2026-03-15 | Restricted Stock Unit | $0.00 | M | 81.00 | Disposed | Common Stock (81.00) | Direct | |
| 2026-03-15 | Restricted Stock Unit | $0.00 | M | 136.00 | Disposed | Common Stock (136.00) | Direct | |
| 2026-03-15 | Restricted Stock Unit | $0.00 | M | 135.00 | Disposed | Common Stock (135.00) | Direct | |
| 2026-03-15 | Restricted Stock Unit | $0.00 | M | 372.00 | Disposed | Common Stock (372.00) | Direct | |
| 2026-03-15 | Restricted Stock Unit | $0.00 | M | 834.00 | Disposed | Common Stock (834.00) | Direct |
Footnotes
F1: Restricted stock units convert into common stock on a one-for-one basis.
F2: On February 6, 2023, the reporting person was granted 3,929 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.
F3: On March 15, 2023, the reporting person was granted 6,566 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.
F4: On February 2, 2024, the reporting person was granted 6,494 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.
F5: On May 21, 2024, the reporting person was granted 17,878 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.
F6: On February 4, 2025, the reporting person was granted 40,036 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.