---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-079025"
form_type: "8-K"
ticker: "ADTX"
cik: "0001726711"
company_name: "Aditxt, Inc."
filed_at: "2026-07-17T16:06:00+00:00"
generated_at: "2026-07-17T16:07:07.297011+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Aditxt amends note purchase agreement, adds new investor, cancels and reissues notes with same aggregate principal

## Summary
- Amendment No. 2 to Note Purchase Agreement allows new investor Doug Mergenthaler to join as a Buyer.
- Cancels a previously issued senior secured note to Cavalry Fund I SPV I LP and issues two additional notes of equal aggregate principal amount.
- Additional notes issued to Cavalry SPV and Mergenthaler; no net increase in total principal amount of notes.
- Notes are secured by substantially all assets of Ignite Proteomics LLC and pledge of Aditxt's equity in Ignite.
- Offering exempt from registration under Section 4(a)(2) and Rule 506(b); investors represented as accredited.

## SEC filing metadata
- accession: 0001213900-26-079025
- form_type: 8-K
- ticker: ADTX
- cik: 0001726711
- company_name: Aditxt, Inc.
- filed_at: 2026-07-17T16:06:00+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1726711/000121390026079025/0001213900-26-079025-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1726711/000121390026079025/ea0298348-8k_aditxt.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-079025
- JSON: https://secwatch.observer/filing/0001213900-26-079025.json
- Plain text: https://secwatch.observer/filing/0001213900-26-079025.txt

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