---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-035373"
form_type: "8-K"
ticker: "ORKA"
cik: "0000907654"
company_name: "Oruka Therapeutics, Inc."
filed_at: "2024-03-22T23:59:59+00:00"
generated_at: "2026-06-04T09:27:23.032590+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# ARCA biopharma extends headquarters lease through September 2024 at increased rent

## Summary
- Lease extended 6 months to Sept 30, 2024; base rent raised to $8,206.42/month from April 1.
- After extension, month-to-month tenancy at 125% of Sept 2024 base rent if tenant remains.
- Company must provide 60-day vacate notice; landlord may market space during extension period.

## SEC filing metadata
- accession: 0000950170-24-035373
- form_type: 8-K
- ticker: ORKA
- cik: 0000907654
- company_name: Oruka Therapeutics, Inc.
- filed_at: 2024-03-22T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/907654/000095017024035373/0000950170-24-035373-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/907654/000095017024035373/abio-20240319.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-035373
- JSON: https://secwatch.observer/filing/0000950170-24-035373.json
- Plain text: https://secwatch.observer/filing/0000950170-24-035373.txt

## Key facts
- Material Agreements
  Oruka Therapeutics, Inc. amended First Amendment to Office Lease Agreement with Lotus Church Ranch, LLC valued at $8,206.42 (effective 2024-03-19).
  - Action: amendment
  - Agreement: lease
  - Counterparty: Lotus Church Ranch, LLC
  - Value: $8,206.42
  - Effective: 2024-03-19
  source text: On March 19, 2024, ARCA biopharma, Inc., a Delaware corporation (“ARCA”), entered into the First Amendment to Office Lease Agreement (the “Lease Amendment”) with Lotus Church Ranch, LLC (the “Landlord”), which amended that certain Office Lease Agreement, dated as of August 7, 2020, related to the Company’s headquarters in Westminster, Colorado (the “Lease”). Under the Lease Amendment, the term of the Lease was extended an additional six (6) months through September 30, 2024 (the “Lease Extension”). Commencing on April 1, 2024, the minimum monthly rent shall be increased to $8,206.42.
  evidence_url: https://www.sec.gov/Archives/edgar/data/907654/000095017024035373/0000950170-24-035373-index.htm

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