# 374Water Inc.: filings

SCWO · Nasdaq · CIK 933972 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

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

## Reports and events: 184 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 (8-K 82, 4 80, 10-Q 53, 3 22, 10-K 18, DEFA14A 11, UPLOAD 10, NT 10-K 8, NT 10-Q 8, 144 7, 10-K/A 6, 424B5 6, 8-K/A 6, CORRESP 6, DEF 14A 5, SCHEDULE 13D/A 5, 5 4, 10-Q/A 3, PRE 14A 3, SC 13D 3, 4/A 2, EFFECT 2, S-3 2, S-8 2, 144/A 1, 8-A12B 1, CERT 1, DEF 14C 1, NT 10-K/A 1, S-1 1, S-3/A 1, SC 13D/A 1, SCHEDULE 13D 1, SEC STAFF ACTION 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-30 | 16:30 ET | [8-K](/filings/0001654954-26-008681.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001654954-26-008681 |
| 2026-08-25 | 17:24 ET | [DEF 14A](/filings/0001654954-26-007870.md) | Proxy statement, period 2026-08-25 | 0001654954-26-007870 |
| 2026-08-18 | 16:05 ET | [8-K](/filings/0001654954-26-007728.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-26-007728 |
| 2026-08-14 | 16:07 ET | [10-Q](/filings/0001654954-26-007650.md) | Quarterly report, period 2026-06-30 | 0001654954-26-007650 |
| 2026-08-11 | 16:16 ET | [8-K](/filings/0001654954-26-007472.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-26-007472 |
| 2026-07-08 | 16:30 ET | [8-K](/filings/0001654954-26-006548.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001654954-26-006548 |
| 2026-05-14 | 16:52 ET | [8-K](/filings/0001654954-26-004906.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-26-004906 |
| 2026-05-14 | 16:36 ET | [10-Q](/filings/0001654954-26-004903.md) | Quarterly report, period 2026-03-31 | 0001654954-26-004903 |
| 2026-05-01 | 17:02 ET | [8-K](/filings/0001654954-26-004297.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001654954-26-004297 |
| 2026-04-30 | 17:17 ET | [10-K/A](/filings/0001654954-26-004179.md) | Annual report, amended, period 2025-12-31 | 0001654954-26-004179 |
| 2026-04-30 | 16:58 ET | [SCHEDULE 13D/A](/filings/0001903596-26-000180.md) | Ownership report, active investor, amended | 0001903596-26-000180 |
| 2026-04-16 | 09:19 ET | [8-K](/filings/0001654954-26-003586.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001654954-26-003586 |
| 2026-04-15 | 16:57 ET | [8-K](/filings/0001654954-26-003550.md) | 5.02 Departure or appointment of officers or directors | 0001654954-26-003550 |
| 2026-03-31 | 16:45 ET | [8-K](/filings/0001654954-26-003100.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-26-003100 |
| 2026-03-31 | 16:31 ET | [10-K](/filings/0001654954-26-003094.md) | Annual report, period 2025-12-31 | 0001654954-26-003094 |
| 2026-03-12 | 17:20 ET | [SCHEDULE 13D/A](/filings/0001654954-26-002205.md) | Ownership report, active investor, amended | 0001654954-26-002205 |
| 2026-03-11 | 08:47 ET | [8-K](/filings/0001654954-26-002128.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001654954-26-002128 |
| 2026-03-06 | 16:31 ET | [8-K](/filings/0001654954-26-001992.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001654954-26-001992 |
| 2026-02-25 | 16:38 ET | [8-K/A](/filings/0001654954-26-001562.md) | 5.02 Departure or appointment of officers or directors | 0001654954-26-001562 |
| 2026-02-24 | 16:07 ET | [8-K](/filings/0001654954-26-001512.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001654954-26-001512 |
| 2026-02-09 | 17:24 ET | [8-K](/filings/0001654954-26-001047.md) | 1.01 Entry into a material agreement; 3.01 Delisting notice; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001654954-26-001047 |
| 2026-01-26 | 16:57 ET | [SCHEDULE 13D/A](/filings/0001654954-26-000598.md) | Ownership report, active investor, amended | 0001654954-26-000598 |
| 2026-01-23 | 16:43 ET | [8-K](/filings/0001654954-26-000569.md) | 5.02 Departure or appointment of officers or directors | 0001654954-26-000569 |
| 2026-01-14 | 17:13 ET | [8-K](/filings/0001654954-26-000363.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001654954-26-000363 |
| 2026-01-08 | 17:22 ET | [8-K](/filings/0001654954-26-000199.md) | 5.02 Departure or appointment of officers or directors | 0001654954-26-000199 |
| 2026-01-05 | 18:08 ET | [SCHEDULE 13D/A](/filings/0001654954-26-000099.md) | Ownership report, active investor, amended | 0001654954-26-000099 |
| 2026-01-05 | 16:06 ET | [8-K](/filings/0001654954-26-000089.md) | 5.02 Departure or appointment of officers or directors | 0001654954-26-000089 |
| 2025-12-16 | 17:12 ET | [SCHEDULE 13D/A](/filings/0001654954-25-014013.md) | Ownership report, active investor, amended | 0001654954-25-014013 |
| 2025-12-15 | 15:25 ET | [8-K](/filings/0001654954-25-013966.md) | 3.03 Change to security holders’ rights; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001654954-25-013966 |
| 2025-12-15 | 06:30 ET | [8-K](/filings/0001193125-25-318380.md) | 1.01 Entry into a material agreement; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-318380 |
| 2025-12-12 | 19:37 ET | [SCHEDULE 13D](/filings/0001654954-25-013917.md) | Ownership report, active investor | 0001654954-25-013917 |
| 2025-11-12 | 16:18 ET | [10-Q](/filings/0001654954-25-012910.md) | Quarterly report, period 2025-09-30 | 0001654954-25-012910 |
| 2025-11-12 | 16:13 ET | [8-K](/filings/0001654954-25-012907.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-25-012907 |
| 2025-11-03 | 16:35 ET | [DEF 14A](/filings/0001654954-25-012524.md) | Proxy statement, period 2025-11-03 | 0001654954-25-012524 |
| 2025-10-24 | 16:37 ET | [8-K/A](/filings/0001654954-25-012206.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001654954-25-012206 |
| 2025-10-14 | 17:23 ET | [8-K](/filings/0001654954-25-011771.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001654954-25-011771 |
| 2025-08-12 | 16:10 ET | [10-Q](/filings/0001654954-25-009437.md) | Quarterly report, period 2025-06-30 | 0001654954-25-009437 |
| 2025-08-12 | 16:06 ET | [8-K](/filings/0001654954-25-009435.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-25-009435 |
| 2025-07-16 | 16:52 ET | [8-K](/filings/0001654954-25-008151.md) | 3.01 Delisting notice | 0001654954-25-008151 |
| 2025-06-25 | 16:10 ET | [8-K/A](/filings/0001654954-25-007398.md) | 5.02 Departure or appointment of officers or directors | 0001654954-25-007398 |
| 2025-06-17 | 06:01 ET | [8-K](/filings/0001654954-25-007070.md) | 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001654954-25-007070 |
| 2025-06-06 | 17:05 ET | [8-K](/filings/0001654954-25-006703.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 9.01 Financial statements and exhibits | 0001654954-25-006703 |
| 2025-05-15 | 16:06 ET | [10-Q](/filings/0001654954-25-005746.md) | Quarterly report, period 2025-03-31 | 0001654954-25-005746 |
| 2025-05-15 | 16:05 ET | [8-K](/filings/0001654954-25-005744.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-25-005744 |
| 2025-04-28 | 17:09 ET | [DEF 14A](/filings/0001654954-25-004717.md) | Proxy statement, period 2025-04-17 | 0001654954-25-004717 |
| 2025-04-17 | 16:41 ET | [8-K](/filings/0001654954-25-004421.md) | 5.02 Departure or appointment of officers or directors | 0001654954-25-004421 |
| 2025-03-28 | 21:28 ET | [10-K](/filings/0001654954-25-003443.md) | Annual report, period 2024-12-31 | 0001654954-25-003443 |
| 2025-03-27 | 16:11 ET | [8-K](/filings/0001654954-25-003427.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-25-003427 |
| 2025-03-19 | 16:05 ET | [8-K](/filings/0001654954-25-003032.md) | 3.01 Delisting notice; 8.01 Other events | 0001654954-25-003032 |
| 2025-01-22 | 17:01 ET | [8-K](/filings/0001654954-25-000650.md) | 3.01 Delisting notice; 8.01 Other events; 9.01 Financial statements and exhibits | 0001654954-25-000650 |

Page 1 of 4. [Older](/companies/scwo/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 08:57 ET. No prices; not investment advice.