---
schema_version: "secwatch.filing_event.v1"
accession: "0001641172-25-003711"
form_type: "8-K"
ticker: "XTNT"
cik: "0001453593"
company_name: "Xtant Medical Holdings, Inc."
filed_at: "2025-04-11T23:59:59+00:00"
generated_at: "2026-05-23T16:06:14.282337+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# OrbiMed affiliates sell ~73.1M Xtant shares at $0.42 to Nantahala; Nantahala to own 49.1%

## Summary
- OrbiMed affiliates selling 73.1M shares (all their XTNT shares) to Nantahala and other purchasers at $0.42/share.
- After closing, Nantahala will hold 49.1% of outstanding shares, becoming the largest stockholder.
- Company not a party to the stock purchase agreement; transaction privately negotiated.
- Credit agreements amended to raise change-in-control threshold to 49.9% to accommodate Nantahala's ownership.
- Company agrees to file resale registration statement for the shares within 30 days of closing.

## SEC filing metadata
- accession: 0001641172-25-003711
- form_type: 8-K
- ticker: XTNT
- cik: 0001453593
- company_name: Xtant Medical Holdings, Inc.
- filed_at: 2025-04-11T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1453593/000164117225003711/0001641172-25-003711-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1453593/000164117225003711/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001641172-25-003711
- JSON: https://secwatch.observer/filing/0001641172-25-003711.json
- Plain text: https://secwatch.observer/filing/0001641172-25-003711.txt

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