---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-060582"
form_type: "8-K"
ticker: "ORKA"
cik: "0000907654"
company_name: "Oruka Therapeutics, Inc."
filed_at: "2021-12-16T23:59:59+00:00"
generated_at: "2026-06-28T00:44:33.320211+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# ARCA biopharma awards incentive stock options to four executives

## Summary
- CEO Michael Bristow received 95,000 options; COO Keuer 35,000; GC Ozeroff 27,500; CFO Dekker 17,700.
- Exercise price $2.29 per share, closing price on December 14, 2021; vesting in 36 equal monthly installments.
- In a change of control, 50% of unvested options accelerate; remainder vest on earlier of one year or involuntary termination.

## SEC filing metadata
- accession: 0001564590-21-060582
- form_type: 8-K
- ticker: ORKA
- cik: 0000907654
- company_name: Oruka Therapeutics, Inc.
- filed_at: 2021-12-16T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/907654/000156459021060582/0001564590-21-060582-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/907654/000156459021060582/abio-8k_20211214.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-060582
- JSON: https://secwatch.observer/filing/0001564590-21-060582.json
- Plain text: https://secwatch.observer/filing/0001564590-21-060582.txt

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