Company · CIK 0001503274 · SIC 3826 — Laboratory Analytical Instruments · Nasdaq
Quanterix Corp · QTRX
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 FMForm 4 → | Sep 16, 4:59 pm EDT | Michael Francis MillerChief Technology Officer | 2,025 | $2.72 | $1,270 | 38,452 | — | |
| Aug 31, 2026 FMForm 4 → | Sep 1, 4:07 pm EDT | Michael Francis MillerChief Technology Officer | 207 | $2.67 | $128 | 37,361 | — | |
| Aug 19, 2026 MForm 4 → | Aug 20, 4:59 pm EDT | Jeffrey Thomas ElliottDirector | 3,955 | — | — | 15,345 | — | |
| Aug 17, 2026 MForm 4 → | Aug 19, 6:37 am EDT | William P DonnellyDirector | 2,802 | — | — | 162,401 | — | |
| Aug 15, 2026 FMForm 4 → | Aug 17, 4:14 pm EDT | Michael Francis MillerChief Technology Officer | 2,025 | $2.59 | $1,210 | 37,250 | — | |
| Aug 12, 2026 PForm 4 → | Aug 14, 4:01 pm EDT | William P DonnellyDirector | 99,400 | $2.88 | $286,354 | 99,400 | — | |
| Jul 31, 2026 FMForm 4 → | Aug 4, 4:45 pm EDT | Michael Francis MillerChief Technology Officer | 169 | $3.48 | $136 | 36,159 | — | |
| Jul 15, 2026 FMForm 4 → | Jul 16, 5:33 pm EDT | Michael Francis MillerChief Technology Officer | 2,025 | $4.24 | $1,980 | 36,068 | — | |
| Jul 8, 2026 MForm 4 → | Jul 9, 5:20 pm EDT | Scott MendelDirector | 8,073 | — | — | 24,056 | — | |
| Jul 8, 2026 MForm 4 → | Jul 9, 5:19 pm EDT | Goldman Myla LaiDirector | 8,073 | — | — | 15,041 | — | |
| Jul 1, 2026 AForm 4 → | Jul 2, 4:03 pm EDT | Scott MendelDirector | 3,456 | $4.34 | $14,999 | 16,837 | — | |
| Jul 1, 2026 AForm 4 → | Jul 2, 4:02 pm EDT | William P DonnellyDirector | 5,472 | $4.34 | $23,748 | 160,305 | — | |
| Jun 30, 2026 FMForm 4 → | Jul 2, 4:01 pm EDT | Michael Francis MillerChief Technology Officer | 169 | $4.32 | $168 | 34,977 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 AForm 4 → | Sep 17, 5:03 pm EDT | James Edward Gute Jr.Chief Commercial Officer | 260,315 | — | — | 260,315 | — | |
| Sep 15, 2026 MForm 4 → | Sep 16, 4:59 pm EDT | Michael Francis MillerChief Technology Officer | 1,558 | — | — | 24,189 | — | |
| Aug 31, 2026 MForm 4 → | Sep 1, 4:07 pm EDT | Michael Francis MillerChief Technology Officer | 159 | — | — | 0 | — | |
| Aug 19, 2026 MForm 4 → | Aug 20, 4:59 pm EDT | Jeffrey Thomas ElliottDirector | 3,955 | — | — | 4,075 | — | |
| Aug 17, 2026 MForm 4 → | Aug 19, 6:37 am EDT | William P DonnellyDirector | 2,802 | — | — | 0 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 4:14 pm EDT | Michael Francis MillerChief Technology Officer | 1,558 | — | — | 25,023 | — | |
| Jul 31, 2026 MForm 4 → | Aug 4, 4:45 pm EDT | Michael Francis MillerChief Technology Officer | 130 | — | — | 159 | — | |
| Jul 15, 2026 MForm 4 → | Jul 16, 5:33 pm EDT | Michael Francis MillerChief Technology Officer | 1,558 | — | — | 25,857 | — | |
| Jul 15, 2026 AForm 4 → | Jul 16, 5:31 pm EDT | Jason F. FaesslerChief Financial Officer | 141,820 | — | — | 141,820 | — | |
| Jul 8, 2026 MForm 4 → | Jul 9, 5:20 pm EDT | Scott MendelDirector | 8,073 | — | — | 16,391 | — | |
| Jul 8, 2026 MForm 4 → | Jul 9, 5:19 pm EDT | Goldman Myla LaiDirector | 8,073 | — | — | 16,391 | — | |
| Jun 30, 2026 MForm 4 → | Jul 2, 4:01 pm EDT | Michael Francis MillerChief Technology Officer | 130 | — | — | 289 | — |