# Ceco Environmental Corp: filings

CECO · TXSE · CIK 3197 · [Industrials](/sectors/industrials.md) · fiscal year ends Dec 31

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

## Reports and events: 289 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 (4 361, 8-K 176, 10-Q 53, 425 49, SC 13G/A 41, 4/A 37, 3 30, 10-K 18, DEF 14A 17, 5 16, SC 13G 16, UPLOAD 14, CORRESP 13, SD 13, DEFA14A 12, SC 13D/A 12, ARS 9, SCHEDULE 13G/A 9, 8-K/A 8, S-8 8, 144 7, S-4/A 6, EFFECT 5, SCHEDULE 13G 5, 424B3 4, S-4 3, SC 13D 3, NT 10-K 2, S-3 2, 10-K/A 1, 25 1, 8-A12B 1, CERT 1, D 1, POS EX 1, PRE 14A 1, S-3ASR 1, S-3D 1, SCHEDULE 13D/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-05 | 16:37 ET | [8-K](/filings/0001193125-26-413794.md) | 3.01 Delisting notice; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-413794 |
| 2026-08-10 | 20:38 ET | [10-Q](/filings/0001193125-26-342536.md) | Quarterly report, period 2026-06-30 | 0001193125-26-342536 |
| 2026-08-10 | 11:01 ET | [8-K](/filings/0001193125-26-341191.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-341191 |
| 2026-08-03 | 21:57 ET | [8-K/A](/filings/0001104659-26-089307.md) | 9.01 Financial statements and exhibits | 0001104659-26-089307 |
| 2026-06-09 | 19:42 ET | [8-K](/filings/0001193125-26-263664.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-263664 |
| 2026-06-01 | 13:16 ET | [8-K](/filings/0001104659-26-068661.md) | 2.01 Completion of an acquisition or disposition; 2.03 New direct financial obligation; 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-068661 |
| 2026-05-28 | 12:06 ET | [8-K](/filings/0001104659-26-067250.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-067250 |
| 2026-04-30 | 20:24 ET | [10-Q](/filings/0001193125-26-197428.md) | Quarterly report, period 2026-03-31 | 0001193125-26-197428 |
| 2026-04-28 | 11:01 ET | [8-K](/filings/0001193125-26-183496.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-183496 |
| 2026-04-02 | 19:15 ET | [8-K](/filings/0001193125-26-139875.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001193125-26-139875 |
| 2026-03-02 | 22:30 ET | [10-K](/filings/0001193125-26-085815.md) | Annual report, period 2025-12-31 | 0001193125-26-085815 |
| 2026-02-26 | 23:26 ET | [SCHEDULE 13D/A](/filings/0001104659-26-020760.md) | Ownership report, active investor, amended | 0001104659-26-020760 |
| 2026-02-24 | 12:33 ET | [8-K](/filings/0001104659-26-018825.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-018825 |
| 2026-02-24 | 11:33 ET | [8-K](/filings/0001193125-26-065166.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-065166 |
| 2026-02-04 | 14:04 ET | [8-K](/filings/0001193125-26-036815.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-036815 |
| 2025-10-28 | 16:24 ET | [10-Q](/filings/0001193125-25-252944.md) | Quarterly report, period 2025-09-30 | 0001193125-25-252944 |
| 2025-10-28 | 11:05 ET | [8-K](/filings/0001193125-25-252209.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-252209 |
| 2025-09-16 | 16:12 ET | [8-K](/filings/0001193125-25-204657.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-204657 |
| 2025-07-29 | 14:59 ET | [10-Q](/filings/0000950170-25-099435.md) | Quarterly report, period 2025-06-30 | 0000950170-25-099435 |
| 2025-07-29 | 11:02 ET | [8-K](/filings/0000950170-25-099380.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-099380 |
| 2025-07-24 | 18:47 ET | [8-K](/filings/0000950170-25-098303.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-25-098303 |
| 2025-06-06 | 20:58 ET | [8-K](/filings/0000950170-25-083221.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-25-083221 |
| 2025-05-22 | 11:32 ET | [8-K](/filings/0000950170-25-076046.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-25-076046 |
| 2025-04-29 | 20:13 ET | [10-Q](/filings/0000950170-25-060136.md) | Quarterly report, period 2025-03-31 | 0000950170-25-060136 |
| 2025-04-29 | 11:02 ET | [8-K](/filings/0000950170-25-059552.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-059552 |
| 2025-04-10 | 12:00 ET | [DEF 14A](/filings/0001558370-25-004649.md) | Proxy statement, period 2025-05-20 | 0001558370-25-004649 |
| 2025-04-04 | 12:14 ET | [8-K](/filings/0000950170-25-050881.md) | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-25-050881 |
| 2025-03-06 | 14:15 ET | [8-K](/filings/0000950170-25-034216.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0000950170-25-034216 |
| 2025-02-25 | 20:45 ET | [10-K](/filings/0000950170-25-026562.md) | Annual report, period 2024-12-31 | 0000950170-25-026562 |
| 2025-02-25 | 12:02 ET | [8-K](/filings/0000950170-25-026061.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-026061 |
| 2025-01-17 | 18:54 ET | [8-K](/filings/0000950170-25-006565.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-006565 |
| 2025-01-03 | 22:00 ET | [8-K](/filings/0001104659-25-000843.md) | 2.01 Completion of an acquisition or disposition; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-000843 |
| 2024-10-29 | 10:51 ET | [10-Q](/filings/0000950170-24-117928.md) | Quarterly report, period 2024-09-30 | 0000950170-24-117928 |
| 2024-10-29 | 10:48 ET | [8-K](/filings/0000950170-24-117926.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-117926 |
| 2024-10-29 | 10:35 ET | [8-K](/filings/0001104659-24-111987.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-111987 |
| 2024-10-11 | 13:29 ET | [8-K](/filings/0001104659-24-107918.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-24-107918 |
| 2024-07-30 | 20:09 ET | [10-Q](/filings/0000950170-24-087850.md) | Quarterly report, period 2024-06-30 | 0000950170-24-087850 |
| 2024-07-30 | 11:03 ET | [8-K](/filings/0000950170-24-087502.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-087502 |
| 2024-05-22 | 18:05 ET | [8-K](/filings/0000950170-24-063379.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-24-063379 |
| 2024-04-30 | 11:06 ET | [10-Q](/filings/0000950170-24-050199.md) | Quarterly report, period 2024-03-31 | 0000950170-24-050199 |
| 2024-04-30 | 11:01 ET | [8-K](/filings/0000950170-24-050197.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-050197 |
| 2024-04-10 | 11:16 ET | [DEF 14A](/filings/0001558370-24-004904.md) | Proxy statement, period 2024-05-20 | 0001558370-24-004904 |
| 2024-03-05 | 15:48 ET | [10-K](/filings/0000950170-24-025511.md) | Annual report, period 2023-12-31 | 0000950170-24-025511 |
| 2024-03-05 | 12:02 ET | [8-K](/filings/0000950170-24-025375.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-025375 |
| 2023-11-07 | 12:03 ET | [10-Q](/filings/0000950170-23-059754.md) | Quarterly report, period 2023-09-30 | 0000950170-23-059754 |
| 2023-11-07 | 12:01 ET | [8-K](/filings/0000950170-23-059752.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-059752 |
| 2023-10-05 | 10:47 ET | [8-K](/filings/0000950170-23-052069.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-23-052069 |
| 2023-09-13 | 11:04 ET | [8-K](/filings/0000950170-23-047828.md) | 7.01 Regulation FD disclosure | 0000950170-23-047828 |
| 2023-09-11 | 11:08 ET | [8-K](/filings/0000950170-23-047356.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events | 0000950170-23-047356 |
| 2023-09-08 | 13:13 ET | [8-K](/filings/0000950170-23-047149.md) | 5.02 Departure or appointment of officers or directors | 0000950170-23-047149 |

Page 1 of 6. [Older](/companies/ceco/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 14:51 ET. No prices; not investment advice.