# Thornburg Income Builder Opportunities Trust: filings

TBLD · Nasdaq · CIK 1820378 · [Other](/sectors/other.md) · fiscal year ends Sep 30

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

## Reports and events: 4 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 (NPORT-P 20, 3 15, 4 11, 40-17G 6, N-2/A 5, N-CEN 5, N-CSR 5, N-CSRS 5, N-PX 5, DEF 14A 4, CORRESP 3, N-CSR/A 2, 424B1 1, 8-A12B 1, CERT 1, EFFECT 1, N-2 1, N-2MEF 1, N-8A 1, UPLOAD 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-02-06 | 19:57 ET | [DEF 14A](/filings/0001193125-26-041027.md) | Proxy statement, period 2026-03-11 | 0001193125-26-041027 |
| 2025-02-07 | 22:15 ET | [DEF 14A](/filings/0001193125-25-022804.md) | Proxy statement, period 2025-03-10 | 0001193125-25-022804 |
| 2024-02-05 | 18:09 ET | [DEF 14A](/filings/0001193125-24-023829.md) | Proxy statement, period 2024-03-14 | 0001193125-24-023829 |
| 2023-02-07 | 22:17 ET | [DEF 14A](/filings/0001193125-23-027092.md) | Proxy statement, period 2023-03-14 | 0001193125-23-027092 |

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