# Eaton Vance National Municipal Opportunities Trust: filings

EOT · NYSE · CIK 1454741 · [Other](/sectors/other.md) · fiscal year ends Mar 31

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

## Reports and events: 23 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 (3 40, NPORT-P 28, N-Q 20, N-CSRS 18, N-PX 18, DEF 14A 17, 4 16, N-CSR 16, DEFA14A 13, 424B3 10, NSAR-A 9, NSAR-B 9, SC 13G/A 9, N-CEN 8, 497 6, 8-K 6, CORRESP 4, N-2/A 4, EFFECT 3, N-2 3, 486BPOS 2, POS EX 2, 424B5 1, 8-A12B 1, N-2MEF 1, N-8A 1, N-CEN/A 1, NPORT-EX 1, NSAR-A/A 1, SC 13G 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2025-11-25 | 10:00 ET | [DEF 14A](/filings/0001133228-25-012732.md) | Proxy statement, period 2026-01-07 | 0001133228-25-012732 |
| 2025-08-28 | 13:54 ET | [8-K](/filings/0001076598-25-000390.md) | 8.01 Other events | 0001076598-25-000390 |
| 2025-08-14 | 14:14 ET | [8-K](/filings/0001076598-25-000332.md) | 8.01 Other events | 0001076598-25-000332 |
| 2024-11-26 | 10:14 ET | [DEF 14A](/filings/0000940394-24-001051.md) | Proxy statement, period 2025-01-08 | 0000940394-24-001051 |
| 2024-10-10 | 16:06 ET | [8-K](/filings/0000940394-24-000983.md) | 5.03 Amendment to articles or bylaws | 0000940394-24-000983 |
| 2023-11-22 | 09:14 ET | [DEF 14A](/filings/0000940394-23-001147.md) | Proxy statement, period 2024-01-10 | 0000940394-23-001147 |
| 2023-10-18 | 17:18 ET | [8-K](/filings/0001193125-23-258632.md) | 8.01 Other events | 0001193125-23-258632 |
| 2023-02-01 | 16:17 ET | [8-K](/filings/0000940394-23-000234.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000940394-23-000234 |
| 2022-11-23 | 08:46 ET | [DEF 14A](/filings/0000940394-22-001477.md) | Proxy statement, period 2023-01-12 | 0000940394-22-001477 |
| 2021-11-22 | 08:05 ET | [DEF 14A](/filings/0000940394-21-001467.md) | Proxy statement, period 2022-01-13 | 0000940394-21-001467 |
| 2020-11-25 | 07:49 ET | [DEF 14A](/filings/0000940394-20-001508.md) | Proxy statement, period 2021-01-14 | 0000940394-20-001508 |
| 2020-08-13 | 16:11 ET | [8-K](/filings/0000940394-20-001218.md) | 5.03 Amendment to articles or bylaws | 0000940394-20-001218 |
| 2019-11-22 | 07:49 ET | [DEF 14A](/filings/0000940394-19-001536.md) | Proxy statement, period 2020-01-16 | 0000940394-19-001536 |
| 2018-11-26 | 09:47 ET | [DEF 14A](/filings/0000940394-18-001787.md) | Proxy statement, period 2019-01-17 | 0000940394-18-001787 |
| 2017-11-27 | 07:58 ET | [DEF 14A](/filings/0000940394-17-002257.md) | Proxy statement, period 2018-01-18 | 0000940394-17-002257 |
| 2016-11-28 | 07:48 ET | [DEF 14A](/filings/0000940394-16-003264.md) | Proxy statement, period 2017-01-19 | 0000940394-16-003264 |
| 2015-11-25 | 08:45 ET | [DEF 14A](/filings/0000940394-15-001378.md) | Proxy statement, period 2016-01-21 | 0000940394-15-001378 |
| 2014-11-26 | 08:30 ET | [DEF 14A](/filings/0000940394-14-001561.md) | Proxy statement, period 2015-01-22 | 0000940394-14-001561 |
| 2013-11-27 | 09:29 ET | [DEF 14A](/filings/0000940394-13-001368.md) | Proxy statement, period 2014-01-23 | 0000940394-13-001368 |
| 2012-11-29 | 09:07 ET | [DEF 14A](/filings/0000940394-12-001169.md) | Proxy statement, period 2013-01-25 | 0000940394-12-001169 |
| 2011-11-22 | 08:49 ET | [DEF 14A](/filings/0000940394-11-001209.md) | Proxy statement, period 2012-01-27 | 0000940394-11-001209 |
| 2010-11-23 | 09:59 ET | [DEF 14A](/filings/0000940394-10-001112.md) | Proxy statement, period 2011-01-21 | 0000940394-10-001112 |
| 2009-11-24 | 10:06 ET | [DEF 14A](/filings/0000940394-09-000890.md) | Proxy statement, period 2010-01-22 | 0000940394-09-000890 |

Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 26, 2026, 14:20 ET. No prices; not investment advice.