---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-244746"
form_type: "8-K"
ticker: "NXDR"
cik: "0001846069"
company_name: "Nextdoor Holdings, Inc."
filed_at: "2021-08-12T23:59:59+00:00"
generated_at: "2026-06-29T14:00:03.267883+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Khosla Ventures Acquisition dismisses Marcum, appoints BDO; material weakness disclosed

## Summary
- Dismissed Marcum as auditor Aug 8, 2021; no accounting disagreements.
- Appointed BDO as new independent registered public accounting firm effective same day.
- Material weakness in internal controls over accounting for private placement shares and underwriting discounts.
- Previous financial reports had going concern explanatory paragraph but no adverse opinion.
- Marcum letter dated Aug 12, 2021 filed as Exhibit 16.1.

## SEC filing metadata
- accession: 0001193125-21-244746
- form_type: 8-K
- ticker: NXDR
- cik: 0001846069
- company_name: Nextdoor Holdings, Inc.
- filed_at: 2021-08-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1846069/000119312521244746/0001193125-21-244746-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1846069/000119312521244746/d196588d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-244746
- JSON: https://secwatch.observer/filing/0001193125-21-244746.json
- Plain text: https://secwatch.observer/filing/0001193125-21-244746.txt

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