---
schema_version: "secwatch.filing_event.v1"
accession: "0001664710-22-000042"
form_type: "8-K"
ticker: "KROS"
cik: "0001664710"
company_name: "Keros Therapeutics, Inc."
filed_at: "2022-08-04T23:59:59+00:00"
generated_at: "2026-06-24T04:14:08.827134+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Keros CSO Lachey transitions to SVP Discovery at 75% time and reduced compensation

## Summary
- Jennifer Lachey's role changes from Chief Scientific Officer to Senior Vice President of Discovery, effective September 1, 2022.
- Base salary and unvested option shares reduced to 75% of prior levels; no longer eligible for severance.
- Change was at Dr. Lachey's request; she remains employed by the Company.
- No longer deemed an 'officer' or 'executive officer' under SEC rules.

## SEC filing metadata
- accession: 0001664710-22-000042
- form_type: 8-K
- ticker: KROS
- cik: 0001664710
- company_name: Keros Therapeutics, Inc.
- filed_at: 2022-08-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1664710/000166471022000042/0001664710-22-000042-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1664710/000166471022000042/kros-20220804.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001664710-22-000042
- JSON: https://secwatch.observer/filing/0001664710-22-000042.json
- Plain text: https://secwatch.observer/filing/0001664710-22-000042.txt

## Key facts
- Executive change
  Jennifer Lachey changed role as Senior Vice President of Discovery at Keros Therapeutics, Inc..
  - Action: changed
  - Role: Senior Vice President of Discovery
  source text: She remains employed by the Company and her title has been changed from Chief Scientific Officer to Senior Vice President of Discovery.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1664710/000166471022000042/0001664710-22-000042-index.htm

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