---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-076324"
form_type: "8-K"
ticker: null
cik: "0001781870"
company_name: "New Mountain Guardian III BDC, L.L.C."
filed_at: "2023-06-29T23:59:59+00:00"
generated_at: "2026-06-13T14:59:12.550487+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "low"
source: SEC EDGAR
---

# Guardian III BDC adopts Fourth Amended LLC Agreement; terms pre-filed May 30

## Summary
- Fourth A&R LLC Agreement effective June 28, 2023, amending prior 2021 agreement.
- Material amendments were described in Item 5.07 of May 30, 2023 8-K.
- No new financial or operational impact disclosed in this filing.
- Full agreement filed as Exhibit 3.1 to this 8-K.

## SEC filing metadata
- accession: 0001104659-23-076324
- form_type: 8-K
- cik: 0001781870
- company_name: New Mountain Guardian III BDC, L.L.C.
- filed_at: 2023-06-29T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: low
- sec_items: 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1781870/000110465923076324/0001104659-23-076324-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1781870/000110465923076324/tm2319796d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-076324
- JSON: https://secwatch.observer/filing/0001104659-23-076324.json
- Plain text: https://secwatch.observer/filing/0001104659-23-076324.txt

## Key facts
- Governance Changes
  New Mountain Guardian III BDC, L.L.C.: Company entered into Fourth Amended and Restated LLC Agreement, effective June 28, 2023, amending its operating agreement (effective 2023-06-28).
  - Change: bylaw amendment
  - Effective: 2023-06-28
  source text: New Mountain Guardian III BDC, L.L.C. (the " Company ") entered into a Fourth Amended and Restated Limited Liability Company Agreement (the " Fourth A&R LLC Agreement "), which amends and restates the agreement that sets forth the terms pursuant to which the Company is operated, effective as of June 28, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1781870/000110465923076324/0001104659-23-076324-index.htm

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