---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-282637"
form_type: "8-K"
ticker: "RNTX"
cik: "0001420565"
company_name: "Rein Therapeutics, Inc."
filed_at: "2022-11-10T23:59:59+00:00"
generated_at: "2026-06-21T22:40:43.015200+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Aileron Therapeutics effects 1-for-20 reverse stock split effective Nov 10, 2022

## Summary
- Reverse split reduces authorized common shares from 300M to 15M, then tripled to 45M.
- No fractional shares issued; stockholders get cash payment for fractional interests.
- All outstanding stock options and warrants adjusted per their terms.
- Split-adjusted trading begins on Nasdaq at market open on November 11, 2022.

## SEC filing metadata
- accession: 0001193125-22-282637
- form_type: 8-K
- ticker: RNTX
- cik: 0001420565
- company_name: Rein Therapeutics, Inc.
- filed_at: 2022-11-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1420565/000119312522282637/0001193125-22-282637-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1420565/000119312522282637/d379228d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-282637
- JSON: https://secwatch.observer/filing/0001193125-22-282637.json
- Plain text: https://secwatch.observer/filing/0001193125-22-282637.txt

## Key facts
- Governance Changes
  Rein Therapeutics, Inc.: Effected a 1-for-20 reverse stock split and reduced authorized common shares from 300,000,000 to 15,000,000 then multiplied by three to 45,000,000 (effective 2022-11-10).
  - Change: charter amendment
  - Effective: 2022-11-10
  source text: On November 10, 2022 (the “Effective Date”), Aileron Therapeutics, Inc. (the “Company”) filed a Certificate of Amendment to the Company’s Restated Certificate of Incorporation, as amended, with the Secretary of State of the State of Delaware (the “Certificate of Amendment”), which effected, as of 5:00 p.m. Eastern Time on the Effective Date, a 1-for-20 reverse stock split (the “Reverse Stock Split”) of the Company’s issued and outstanding common stock, $0.001 par value per share (the “Common Stock”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1420565/000119312522282637/0001193125-22-282637-index.htm

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