# Arq, Inc.: filings

ARQ · Nasdaq · CIK 1515156 · [Materials](/sectors/materials.md) · fiscal year ends Dec 31

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

## Reports and events: 271 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 (4 319, 8-K 194, 10-Q 37, 3 28, SC 13G/A 23, 5 16, SC 13G 14, 10-K 12, 4/A 11, DEF 14A 11, 425 9, 8-A12B/A 9, PRE 14A 9, S-8 POS 9, 8-K/A 7, CT ORDER 7, ARS 6, CORRESP 6, DEFA14A 6, EFFECT 6, S-8 6, UPLOAD 5, 11-K 4, SC 13D 4, SC 13D/A 4, SD 4, 424B5 3, NT 10-K 3, NT 10-Q 3, S-4 3, S-4/A 3, SCHEDULE 13G/A 3, SC TO-I/A 3, 424B3 2, 8-A12B 2, POS AM 2, RW 2, S-3 2, 10-K/A 1, 15-12G 1, 25-NSE 1, 424B2 1, 5/A 1, 8-A12G 1, 8-A12G/A 1, 8-K12G3 1, CERTNAS 1, NT 11-K 1, S-1 1, S-3/A 1, SCHEDULE 13G 1, SC TO-I 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-28 | 16:31 ET | [8-K](/filings/0001515156-26-000121.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001515156-26-000121 |
| 2026-08-10 | 16:53 ET | [8-K](/filings/0001515156-26-000116.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-26-000116 |
| 2026-08-10 | 16:44 ET | [10-Q](/filings/0001515156-26-000114.md) | Quarterly report, period 2026-06-30 | 0001515156-26-000114 |
| 2026-07-23 | 17:09 ET | [8-K](/filings/0001515156-26-000097.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001515156-26-000097 |
| 2026-07-02 | 16:33 ET | [8-K](/filings/0001515156-26-000085.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001515156-26-000085 |
| 2026-06-18 | 16:31 ET | [8-K](/filings/0001515156-26-000075.md) | 5.02 Departure or appointment of officers or directors | 0001515156-26-000075 |
| 2026-06-11 | 16:31 ET | [8-K](/filings/0001515156-26-000073.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001515156-26-000073 |
| 2026-05-27 | 16:32 ET | [8-K](/filings/0001515156-26-000069.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001515156-26-000069 |
| 2026-05-06 | 16:33 ET | [8-K](/filings/0001515156-26-000064.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-26-000064 |
| 2026-05-06 | 16:30 ET | [10-Q](/filings/0001515156-26-000062.md) | Quarterly report, period 2026-03-31 | 0001515156-26-000062 |
| 2026-05-01 | 16:56 ET | [8-K](/filings/0001515156-26-000057.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001515156-26-000057 |
| 2026-04-28 | 16:34 ET | [DEF 14A](/filings/0001515156-26-000052.md) | Proxy statement, period 2025-12-31 | 0001515156-26-000052 |
| 2026-04-17 | 16:31 ET | [8-K](/filings/0001515156-26-000045.md) | 1.01 Entry into a material agreement; 3.03 Change to security holders’ rights; 9.01 Financial statements and exhibits | 0001515156-26-000045 |
| 2026-04-01 | 08:00 ET | [8-K](/filings/0001515156-26-000041.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001515156-26-000041 |
| 2026-03-10 | 19:22 ET | [10-K](/filings/0001515156-26-000021.md) | Annual report, period 2025-12-31 | 0001515156-26-000021 |
| 2026-03-10 | 19:10 ET | [8-K](/filings/0001515156-26-000020.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-26-000020 |
| 2026-03-03 | 17:06 ET | [8-K](/filings/0001515156-26-000008.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001515156-26-000008 |
| 2026-01-29 | 16:34 ET | [8-K](/filings/0001515156-26-000002.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001515156-26-000002 |
| 2025-12-11 | 17:16 ET | [8-K](/filings/0001515156-25-000151.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001515156-25-000151 |
| 2025-11-05 | 16:36 ET | [8-K](/filings/0001515156-25-000139.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-25-000139 |
| 2025-11-05 | 16:32 ET | [10-Q](/filings/0001515156-25-000138.md) | Quarterly report, period 2025-09-30 | 0001515156-25-000138 |
| 2025-08-14 | 16:37 ET | [8-K/A](/filings/0001515156-25-000118.md) | 5.07 Shareholder vote results | 0001515156-25-000118 |
| 2025-08-11 | 16:32 ET | [8-K](/filings/0001515156-25-000115.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-25-000115 |
| 2025-08-11 | 16:31 ET | [10-Q](/filings/0001515156-25-000114.md) | Quarterly report, period 2025-06-30 | 0001515156-25-000114 |
| 2025-08-06 | 08:01 ET | [8-K](/filings/0001515156-25-000099.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001515156-25-000099 |
| 2025-06-09 | 16:30 ET | [8-K](/filings/0001515156-25-000085.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001515156-25-000085 |
| 2025-06-06 | 16:30 ET | [8-K](/filings/0001515156-25-000082.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001515156-25-000082 |
| 2025-05-07 | 06:37 ET | [8-K](/filings/0001515156-25-000060.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-25-000060 |
| 2025-05-07 | 06:32 ET | [10-Q](/filings/0001515156-25-000058.md) | Quarterly report, period 2025-03-31 | 0001515156-25-000058 |
| 2025-05-06 | 17:26 ET | [8-K](/filings/0001515156-25-000054.md) | 8.01 Other events | 0001515156-25-000054 |
| 2025-04-21 | 16:31 ET | [DEF 14A](/filings/0001515156-25-000048.md) | Proxy statement, period 2024-12-31 | 0001515156-25-000048 |
| 2025-04-11 | 16:27 ET | [8-K](/filings/0001515156-25-000038.md) | 1.01 Entry into a material agreement; 3.03 Change to security holders’ rights; 9.01 Financial statements and exhibits | 0001515156-25-000038 |
| 2025-04-02 | 16:43 ET | [8-K](/filings/0001515156-25-000026.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001515156-25-000026 |
| 2025-03-05 | 17:29 ET | [10-K](/filings/0001515156-25-000014.md) | Annual report, period 2024-12-31 | 0001515156-25-000014 |
| 2025-03-05 | 17:28 ET | [8-K](/filings/0001515156-25-000012.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-25-000012 |
| 2025-02-07 | 08:01 ET | [8-K](/filings/0001515156-25-000005.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001515156-25-000005 |
| 2025-01-02 | 08:05 ET | [8-K](/filings/0001515156-25-000002.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001515156-25-000002 |
| 2024-11-07 | 06:45 ET | [10-Q](/filings/0001515156-24-000174.md) | Quarterly report, period 2024-09-30 | 0001515156-24-000174 |
| 2024-11-07 | 06:35 ET | [8-K](/filings/0001515156-24-000172.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-24-000172 |
| 2024-09-20 | 16:53 ET | [8-K](/filings/0001515156-24-000163.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001515156-24-000163 |
| 2024-08-12 | 16:37 ET | [8-K](/filings/0001515156-24-000145.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-24-000145 |
| 2024-08-12 | 16:29 ET | [10-Q](/filings/0001515156-24-000144.md) | Quarterly report, period 2024-06-30 | 0001515156-24-000144 |
| 2024-06-13 | 16:28 ET | [8-K](/filings/0001515156-24-000109.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001515156-24-000109 |
| 2024-05-16 | 07:53 ET | [8-K](/filings/0001515156-24-000097.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001515156-24-000097 |
| 2024-05-08 | 16:51 ET | [10-Q](/filings/0001515156-24-000095.md) | Quarterly report, period 2024-03-31 | 0001515156-24-000095 |
| 2024-05-08 | 16:36 ET | [8-K](/filings/0001515156-24-000092.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-24-000092 |
| 2024-04-29 | 16:18 ET | [DEF 14A](/filings/0001515156-24-000082.md) | Proxy statement, period 2023-12-31 | 0001515156-24-000082 |
| 2024-04-16 | 16:07 ET | [8-K](/filings/0001515156-24-000073.md) | 1.01 Entry into a material agreement; 3.03 Change to security holders’ rights; 9.01 Financial statements and exhibits | 0001515156-24-000073 |
| 2024-03-12 | 17:08 ET | [8-K](/filings/0001515156-24-000037.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001515156-24-000037 |
| 2024-03-12 | 17:05 ET | [10-K](/filings/0001515156-24-000036.md) | Annual report, period 2023-12-31 | 0001515156-24-000036 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:13 ET. No prices; not investment advice.