# Quanterix Corp: filings

QTRX · Nasdaq · CIK 1503274 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/qtrx.md) · [Financials](/companies/qtrx/financials.md) · [Filings](/companies/qtrx/filings.md) · [Insiders](/companies/qtrx/insiders.md)

## Reports and events: 183 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 661, 8-K 120, 3 44, 10-Q 26, SC 13G/A 23, SC 13G 15, S-8 13, 425 12, CORRESP 11, DEFA14A 11, DFAN14A 11, 10-K 9, DEF 14A 9, SCHEDULE 13G/A 9, UPLOAD 9, 424B5 7, 4/A 7, D 7, 144 4, 8-K/A 4, ARS 4, DRS/A 4, EFFECT 4, SCHEDULE 13D/A 4, 10-K/A 3, DRSLTR 3, S-4/A 3, SCHEDULE 13D 3, SCHEDULE 13G 3, 10-Q/A 2, 424B3 2, POS AM 2, S-1/A 2, SD 2, SEC STAFF LETTER 2, 424B4 1, 8-A12B 1, CERT 1, CT ORDER 1, DEFC14A 1, DRS 1, NT 10-Q 1, PRE 14A 1, PREC14A 1, S-1 1, S-1MEF 1, S-3 1, S-3/A 1, S-3ASR 1, S-3MEF 1, S-4 1, S-8 POS 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-10 | 12:34 ET | [10-Q](/filings/0001503274-26-000036.md) | Quarterly report, period 2026-06-30 | 0001503274-26-000036 |
| 2026-08-10 | 12:07 ET | [8-K](/filings/0001503274-26-000035.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001503274-26-000035 |
| 2026-06-10 | 20:16 ET | [8-K](/filings/0001503274-26-000028.md) | 5.07 Shareholder vote results | 0001503274-26-000028 |
| 2026-06-09 | 12:06 ET | [8-K](/filings/0001628280-26-041773.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-041773 |
| 2026-05-26 | 21:25 ET | [8-K](/filings/0001503274-26-000024.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001503274-26-000024 |
| 2026-05-12 | 20:17 ET | [8-K](/filings/0001628280-26-034124.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-034124 |
| 2026-05-06 | 20:38 ET | [10-Q](/filings/0001503274-26-000021.md) | Quarterly report, period 2026-03-31 | 0001503274-26-000021 |
| 2026-05-06 | 20:07 ET | [8-K](/filings/0001503274-26-000019.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001503274-26-000019 |
| 2026-04-24 | 12:10 ET | [DEF 14A](/filings/0001104659-26-048166.md) | Proxy statement, period 2026-06-09 | 0001104659-26-048166 |
| 2026-03-02 | 21:35 ET | [10-K](/filings/0001503274-26-000013.md) | Annual report, period 2025-12-31 | 0001503274-26-000013 |
| 2026-03-02 | 21:28 ET | [8-K](/filings/0001503274-26-000011.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001503274-26-000011 |
| 2026-01-08 | 21:46 ET | [8-K](/filings/0001628280-26-001369.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-001369 |
| 2025-11-20 | 22:22 ET | [8-K](/filings/0001628280-25-053420.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-25-053420 |
| 2025-11-10 | 22:01 ET | [10-Q](/filings/0001503274-25-000106.md) | Quarterly report, period 2025-09-30 | 0001503274-25-000106 |
| 2025-11-10 | 21:08 ET | [8-K](/filings/0001503274-25-000104.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001503274-25-000104 |
| 2025-10-02 | 20:26 ET | [8-K](/filings/0001503274-25-000097.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001503274-25-000097 |
| 2025-09-24 | 01:42 ET | [8-K](/filings/0001104659-25-092669.md) | 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-092669 |
| 2025-09-23 | 20:06 ET | [8-K/A](/filings/0001503274-25-000095.md) | 9.01 Financial statements and exhibits | 0001503274-25-000095 |
| 2025-08-25 | 21:23 ET | [DEF 14A](/filings/0001104659-25-082586.md) | Proxy statement, period 2025-09-23 | 0001104659-25-082586 |
| 2025-08-07 | 21:16 ET | [10-Q](/filings/0001503274-25-000091.md) | Quarterly report, period 2025-06-30 | 0001503274-25-000091 |
| 2025-08-07 | 20:30 ET | [8-K](/filings/0001503274-25-000089.md) | 2.02 Results of operations; 5.03 Amendment to articles or bylaws; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001503274-25-000089 |
| 2025-08-04 | 20:37 ET | [8-K](/filings/0001503274-25-000083.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001503274-25-000083 |
| 2025-07-24 | 20:31 ET | [8-K](/filings/0001503274-25-000080.md) | 2.05 Exit or disposal costs; 9.01 Financial statements and exhibits | 0001503274-25-000080 |
| 2025-07-18 | 20:30 ET | [8-K](/filings/0001503274-25-000074.md) | 2.05 Exit or disposal costs | 0001503274-25-000074 |
| 2025-07-15 | 21:15 ET | [SCHEDULE 13D/A](/filings/0001539497-25-001870.md) | Ownership report, active investor, amended | 0001539497-25-001870 |
| 2025-07-08 | 13:14 ET | [8-K](/filings/0001503274-25-000065.md) | 2.01 Completion of an acquisition or disposition; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001503274-25-000065 |
| 2025-07-01 | 20:10 ET | [8-K](/filings/0001503274-25-000063.md) | 5.08 Item not in the standard list; 8.01 Other events; 9.01 Financial statements and exhibits | 0001503274-25-000063 |
| 2025-05-14 | 20:33 ET | [8-K](/filings/0001503274-25-000056.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001503274-25-000056 |
| 2025-05-12 | 21:09 ET | [10-Q](/filings/0001503274-25-000054.md) | Quarterly report, period 2025-03-31 | 0001503274-25-000054 |
| 2025-05-12 | 20:05 ET | [8-K](/filings/0001503274-25-000051.md) | 2.02 Results of operations; 2.05 Exit or disposal costs; 9.01 Financial statements and exhibits | 0001503274-25-000051 |
| 2025-04-30 | 21:12 ET | [SCHEDULE 13D/A](/filings/0001104659-25-042666.md) | Ownership report, active investor, amended | 0001104659-25-042666 |
| 2025-04-30 | 20:40 ET | [SCHEDULE 13D/A](/filings/0001104659-25-042600.md) | Ownership report, active investor, amended | 0001104659-25-042600 |
| 2025-04-30 | 20:39 ET | [10-K/A](/filings/0001104659-25-042597.md) | Annual report, amended, period 2024-12-31 | 0001104659-25-042597 |
| 2025-04-29 | 13:04 ET | [8-K](/filings/0001104659-25-040749.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-040749 |
| 2025-04-04 | 10:12 ET | [8-K](/filings/0001503274-25-000042.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001503274-25-000042 |
| 2025-03-28 | 20:53 ET | [8-K](/filings/0001503274-25-000038.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001503274-25-000038 |
| 2025-03-17 | 20:44 ET | [10-K](/filings/0001503274-25-000031.md) | Annual report, period 2024-12-31 | 0001503274-25-000031 |
| 2025-03-17 | 20:27 ET | [8-K](/filings/0001503274-25-000029.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001503274-25-000029 |
| 2025-03-03 | 22:00 ET | [SCHEDULE 13D/A](/filings/0001539497-25-000822.md) | Ownership report, active investor, amended | 0001539497-25-000822 |
| 2025-03-03 | 21:19 ET | [8-K](/filings/0001503274-25-000022.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001503274-25-000022 |
| 2025-02-25 | 22:23 ET | [8-K](/filings/0001503274-25-000017.md) | 8.01 Other events | 0001503274-25-000017 |
| 2025-02-13 | 18:45 ET | [SCHEDULE 13D](/filings/0001539497-25-000510.md) | Ownership report, active investor | 0001539497-25-000510 |
| 2025-01-31 | 21:12 ET | [8-K](/filings/0001503274-25-000010.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001503274-25-000010 |
| 2025-01-16 | 02:29 ET | [SCHEDULE 13D](/filings/0001104659-25-004230.md) | Ownership report, active investor | 0001104659-25-004230 |
| 2025-01-16 | 23:00 ET | [SCHEDULE 13D](/filings/0001104659-25-004203.md) | Ownership report, active investor | 0001104659-25-004203 |
| 2025-01-14 | 12:02 ET | [8-K](/filings/0001503274-25-000006.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001503274-25-000006 |
| 2025-01-10 | 21:44 ET | [8-K](/filings/0001503274-25-000004.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001503274-25-000004 |
| 2025-01-10 | 13:01 ET | [8-K](/filings/0001503274-25-000002.md) | 1.01 Entry into a material agreement; 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001503274-25-000002 |
| 2025-01-08 | 21:20 ET | [8-K](/filings/0001503274-25-000001.md) | 2.01 Completion of an acquisition or disposition; 9.01 Financial statements and exhibits | 0001503274-25-000001 |
| 2024-12-26 | 02:21 ET | [10-Q](/filings/0001503274-24-000031.md) | Quarterly report, period 2024-09-30 | 0001503274-24-000031 |

Page 1 of 4. [Older](/companies/qtrx/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:12 ET. No prices; not investment advice.