Quanterix Corp
QTRX
28 insider filings · Latest: Aug 12, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 | Aug 14 8:01 PM | William P DonnellyDirector | Purchase | 72,245 | $2.93 | $211.7K | 99,400(I) | View → |
| Aug 12, 2026 | Aug 14 8:01 PM | William P DonnellyDirector | Purchase | 27,155 | $2.75 | $74.7K | 27,155(I) | View → |
| May 12, 2026 | Jun 12 9:32 PM | Benjamin MeadowsChief Commercial Officer | Purchase | 3,500 | $2.77 | $9.7K | 3,500(D) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jul 31, 2026 | Aug 4 8:45 PM | Michael Francis MillerChief Technology Officer | Option Exercise | 130 | $0.00 | 159(D) | View → |
| Jul 15, 2026 | Jul 16 9:33 PM | Michael Francis MillerChief Technology Officer | Option Exercise | 1,558 | $0.00 | 25,857(D) | View → |
| Jul 15, 2026 | Jul 16 9:31 PM | Jason F. FaesslerChief Financial Officer | Grant/Award | 141,820 | $0.00 | 141,820(D) | View → |
| Jul 8, 2026 | Jul 9 9:20 PM | Scott MendelDirector | Option Exercise | 8,073 | $0.00 | 16,391(D) | View → |
| Jul 8, 2026 | Jul 9 9:19 PM | Goldman Myla LaiDirector | Option Exercise | 8,073 | $0.00 | 16,391(D) | View → |
| Jun 30, 2026 | Jul 2 8:01 PM | Michael Francis MillerChief Technology Officer | Option Exercise | 130 | $0.00 | 289(D) | View → |
| Jun 15, 2026 | Jun 23 9:06 PM | Vandana SriramChief Financial Officer | Option Exercise | 1,833 | $0.00 | 33,810(D) | View → |
| Jun 15, 2026 | Jun 16 8:05 PM | Michael Francis MillerChief Technology Officer | Option Exercise | 1,558 | $0.00 | 26,691(D) | View → |
| May 31, 2026 | Jun 1 8:06 PM | Michael Francis MillerChief Technology Officer | Option Exercise | 130 | $0.00 | 419(D) | View → |
| May 15, 2026 | May 18 9:34 PM | Vandana SriramChief Financial Officer | Option Exercise | 1,833 | $0.00 | 34,866(D) | View → |
| May 15, 2026 | May 18 9:34 PM | Michael Francis MillerChief Technology Officer | Option Exercise | 1,558 | $0.00 | 27,525(D) | View → |
| Apr 30, 2026 | May 1 8:20 PM | Michael Francis MillerChief Operating Officer | Option Exercise | 130 | $0.00 | 549(D) | View → |
| Apr 15, 2026 | Apr 17 8:59 PM | Michael Francis MillerChief Operating Officer | Option Exercise | 1,558 | $0.00 | 28,359(D) | View → |
| Apr 15, 2026 | Apr 17 8:58 PM | Vandana SriramChief Financial Officer | Option Exercise | 1,833 | $0.00 | 35,922(D) | View → |
| Mar 31, 2026 | Apr 2 11:26 PM | Michael Francis MillerChief Operating Officer | Option Exercise | 229 | $0.00 | 679(D) | View → |
| Mar 15, 2026 | Mar 17 10:57 PM | Michael Francis MillerChief Operating Officer | Option Exercise | 1,558 | $0.00 | 8,855(D) | View → |
| Mar 15, 2026 | Mar 16 8:10 PM | Vandana SriramChief Financial Officer | Option Exercise | 1,833 | $0.00 | 36,978(D) | View → |
| Feb 15, 2026 | Feb 18 9:42 PM | Vandana SriramChief Financial Officer | Option Exercise | 777 | $0.00 | 12,339(D) | View → |
| Feb 15, 2026 | Feb 18 9:42 PM | Vandana SriramChief Financial Officer | Grant/Award | 149,810 | $0.00 | 74,905(D) | View → |
| Jan 19, 2026 | Jan 21 9:15 PM | Everett CunninghamDirector, President and CEO | Grant/Award | 1,883,750 | — | 1,883,750(D) | View → |