---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-011528"
form_type: "8-K"
ticker: null
cik: "0000810509"
company_name: "NAVIDEA BIOPHARMACEUTICALS, INC."
filed_at: "2023-04-28T23:59:59+00:00"
generated_at: "2026-06-16T07:09:14.505909+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Navidea secures up to $10.75M via milestone sale, equity line, and bridge note

## Summary
- LOI to sell Cardinal milestone payment (due when Lymphoseek sales exceed $100M) for $8M.
- Entered $2.75M common stock purchase agreement with Keystone; 400K commitment shares issued.
- Received $225K advance under $300K secured bridge note from Vice Chairman John K. Scott Jr.
- Proceeds to fund Phase IIb (NAV3-32) and Phase III (NAV3-33) trials and working capital.
- Bridge note matures June 26, 2023; secured by all company assets.

## SEC filing metadata
- accession: 0001437749-23-011528
- form_type: 8-K
- cik: 0000810509
- company_name: NAVIDEA BIOPHARMACEUTICALS, INC.
- filed_at: 2023-04-28T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.03, 1.01, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/810509/000143774923011528/0001437749-23-011528-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/810509/000143774923011528/navb20230427_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-011528
- JSON: https://secwatch.observer/filing/0001437749-23-011528.json
- Plain text: https://secwatch.observer/filing/0001437749-23-011528.txt

## Key facts
- Debt Financings
  NAVIDEA BIOPHARMACEUTICALS, INC. incurred loan of up to $300,000 with John K. Scott, Jr. maturing June 26, 2023.
  - Instrument: loan
  - Principal: up to $300,000
  - Counterparty: John K. Scott, Jr.
  - Maturity: June 26, 2023
  - Event: incurrence
  source text: On April 25, 2023, John K. Scott, Jr., the current Vice Chairman of the Board, agreed to makes advances to the Company in the aggregate principal amount of up to $300,000 under the terms of a secured bridge note (the “2023 Bridge Note”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/810509/000143774923011528/0001437749-23-011528-index.htm

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