---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-087955"
form_type: "8-K"
ticker: "RNTX"
cik: "0001420565"
company_name: "Rein Therapeutics, Inc."
filed_at: "2025-04-22T23:59:59+00:00"
generated_at: "2026-05-23T09:11:58.846256+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Rein Therapeutics raises ~$5.05M via warrant exercises, exchanges, and private placement

## Summary
- Holders exercise 2023 and 2024 warrants for 902,929 shares at reduced price of $1.60 per share.
- Holders of 2023 warrants exchange 1,939,000 shares for pre-funded warrants plus cash payment of ~$1.599/share.
- Bios affiliate purchases pre-funded warrants for 312,695 shares at $1.599 per share in private placement.
- Total gross proceeds expected to be approximately $5.05 million.
- Pre-funded warrants are immediately exercisable at $0.001 per share, subject to beneficial ownership limit.

## SEC filing metadata
- accession: 0001193125-25-087955
- form_type: 8-K
- ticker: RNTX
- cik: 0001420565
- company_name: Rein Therapeutics, Inc.
- filed_at: 2025-04-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1420565/000119312525087955/0001193125-25-087955-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1420565/000119312525087955/d934084d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-087955
- JSON: https://secwatch.observer/filing/0001193125-25-087955.json
- Plain text: https://secwatch.observer/filing/0001193125-25-087955.txt

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