---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-239806"
form_type: "8-K"
ticker: "LONA"
cik: "0001620463"
company_name: "LeonaBio, Inc."
filed_at: "2021-08-09T23:59:59+00:00"
generated_at: "2026-06-29T18:46:26.823088+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Athira Pharma board chair Tadataka Yamada dies; Kelly Romano named new chair

## Summary
- Dr. Tadataka Yamada, Chair of Board since Jan 2020, died unexpectedly on Aug 4, 2021.
- Board appointed Kelly A. Romano as new Chair and Barbara Kosacz as Chair of Compensation and Nominating Committees.
- Romano brings 30+ years of executive experience, previously president at UTC Building & Industrial Systems.
- Yamada was a venture partner at Frazier Healthcare, co-founder of several biotechs, and former exec at Takeda and Gates Foundation.

## SEC filing metadata
- accession: 0001193125-21-239806
- form_type: 8-K
- ticker: LONA
- cik: 0001620463
- company_name: LeonaBio, Inc.
- filed_at: 2021-08-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1620463/000119312521239806/0001193125-21-239806-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1620463/000119312521239806/d174014d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-239806
- JSON: https://secwatch.observer/filing/0001193125-21-239806.json
- Plain text: https://secwatch.observer/filing/0001193125-21-239806.txt

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