---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-125451"
form_type: "8-K"
ticker: "APTN"
cik: "0001938571"
company_name: "ADAPTIN BIO, INC."
filed_at: "2025-12-23T23:59:59+00:00"
generated_at: "2026-05-16T12:19:44.248591+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Adaptin Bio raises $1M in private placement of 200,000 shares at $5.00 each

## Summary
- Gross proceeds of $1.0 million from sale of 200,000 shares at $5.00 per share in a private placement.
- Placement agent receives 10% cash commission and warrants for 10% of shares sold, exercisable at $5.00 for 5 years.
- Company will file resale registration statement; 12% per annum penalty for registration delays.
- Holders get piggyback registration rights subject to underwriter cut-back on a pro rata basis.

## SEC filing metadata
- accession: 0001213900-25-125451
- form_type: 8-K
- ticker: APTN
- cik: 0001938571
- company_name: ADAPTIN BIO, INC.
- filed_at: 2025-12-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 3.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1938571/000121390025125451/0001213900-25-125451-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1938571/000121390025125451/ea0270605-8k_adaptin.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-125451
- JSON: https://secwatch.observer/filing/0001213900-25-125451.json
- Plain text: https://secwatch.observer/filing/0001213900-25-125451.txt

## Key facts
- Equity Issuances
  ADAPTIN BIO, INC. issued 200,000 shares of common stock to certain investors for $5.00 per Share for gross proceeds of $1.0 million.
  - Security: common stock
  - Shares: 200,000 shares
  - Purchaser: certain investors
  - Consideration: $5.00 per Share for gross proceeds of $1.0 million
  source text: On December 22, 2025, Adaptin Bio, Inc. (the “Company”) entered into a subscription agreement (the “Subscription Agreement”) with certain investors and sold 200,000 shares (the “Shares”) of the Company’s common stock (the “Common Stock”) at $5.00 per Share for gross proceeds of $1.0 million in a closing of a private placement offering (the “Offering”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1938571/000121390025125451/0001213900-25-125451-index.htm

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