# Invesco Municipal Income Opportunities Trust: filings

OIA · NYSE · CIK 835333 · [Other](/sectors/other.md) · fiscal year ends May 30

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

## Reports and events: 6 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 68, NPORT-P 28, N-Q 20, N-CSR 18, N-CSRS 18, N-PX 18, 4 11, NSAR-A 10, NSAR-B 9, N-CEN 8, DEF 14A 6, DEFA14A 6, CORRESP 5, SC 13G/A 5, SC 13G 3, 40-17G 2, 425 2, EFFECT 2, N-14 8C/A 2, N-CEN/A 2, POS EX 2, 3/A 1, 40-17G/A 1, 424B5 1, 497 1, 4/A 1, 8-A12B/A 1, N-14 8C 1, N-2 1, N-23C-2 1, N-2/A 1, N-8A/A 1, N-CSR/A 1, NPORT-EX 1, NSAR-BT 1, NT-NCSR 1, PRE 14A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2014-06-27 | 15:42 ET | [DEF 14A](/filings/0001193125-14-253201.md) | Proxy statement, period 2014-08-27 | 0001193125-14-253201 |
| 2013-06-17 | 17:23 ET | [DEF 14A](/filings/0000950123-13-003979.md) | Proxy statement, period 2013-08-08 | 0000950123-13-003979 |
| 2011-06-06 | 14:54 ET | [DEF 14A](/filings/0000950123-11-056856.md) | Proxy statement, period 2011-07-14 | 0000950123-11-056856 |
| 2010-06-21 | 17:28 ET | [DEF 14A](/filings/0000950123-10-059669.md) | Proxy statement, period 2010-07-16 | 0000950123-10-059669 |
| 2010-02-26 | 17:20 ET | [DEF 14A](/filings/0000950123-10-018357.md) | Proxy statement, period 2010-04-16 | 0000950123-10-018357 |
| 2009-11-04 | 17:31 ET | [DEF 14A](/filings/0000950123-09-057726.md) | Proxy statement, period 2009-12-11 | 0000950123-09-057726 |

Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 11:35 ET. No prices; not investment advice.