---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-276124"
form_type: "8-K"
ticker: "TYRA"
cik: "0001863127"
company_name: "Tyra Biosciences, Inc."
filed_at: "2021-09-17T23:59:59+00:00"
generated_at: "2026-06-29T03:03:06.961550+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Tyra Biosciences closes IPO of 12.42M shares at $16, raising $198.7M gross proceeds

## Summary
- IPO of 12.42M shares (includes full underwriter option) at $16.00/share closed on Sep 17, 2021.
- Gross proceeds of $198.7M before underwriting discounts and offering expenses.
- Amended charter to increase authorized common to 500M shares, authorize 50M preferred shares, and establish classified board.
- Bylaws amended to set procedures for stockholder proposals and director nominations effective upon IPO closing.
- Company is an emerging growth company under the JOBS Act.

## SEC filing metadata
- accession: 0001193125-21-276124
- form_type: 8-K
- ticker: TYRA
- cik: 0001863127
- company_name: Tyra Biosciences, Inc.
- filed_at: 2021-09-17T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1863127/000119312521276124/0001193125-21-276124-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1863127/000119312521276124/d220261d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-276124
- JSON: https://secwatch.observer/filing/0001193125-21-276124.json
- Plain text: https://secwatch.observer/filing/0001193125-21-276124.txt

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