---
schema_version: "secwatch.filing_event.v1"
accession: "0000940394-23-000234"
form_type: "8-K"
ticker: "EOT"
cik: "0001454741"
company_name: "Eaton Vance National Municipal Opportunities Trust"
filed_at: "2023-02-01T23:59:59+00:00"
generated_at: "2026-06-20T03:40:32.454277+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Eaton Vance closed-end funds exempt share purchases from Control Share By-Law after court ruling

## Summary
- Board exempts all prior and new purchases that could be Control Share Acquisitions until further notice.
- Massachusetts Superior Court ruled Control Share By-Law violates Section 18(i) of Investment Company Act.
- Court granted summary judgment for funds on Saba's breach-of-fiduciary-duty claim, finding legitimate business reason.
- Exemption applies to 22 Eaton Vance closed-end funds, including EOT, EOI, EFT, EVV, ETV, ETW, and others.
- Litigation continues; board will monitor legal developments and may take further action.

## SEC filing metadata
- accession: 0000940394-23-000234
- form_type: 8-K
- ticker: EOT
- cik: 0001454741
- company_name: Eaton Vance National Municipal Opportunities Trust
- filed_at: 2023-02-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1454741/000094039423000234/0000940394-23-000234-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1454741/000094039423000234/eot8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000940394-23-000234
- JSON: https://secwatch.observer/filing/0000940394-23-000234.json
- Plain text: https://secwatch.observer/filing/0000940394-23-000234.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.