---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-110957"
form_type: "8-K"
ticker: "OABI"
cik: "0001846253"
company_name: "OmniAb, Inc."
filed_at: "2022-10-24T23:59:59+00:00"
generated_at: "2026-06-23T01:43:45.993973+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Avista Public Acquisition Corp. II shareholders approve OmniAb business combination; ~97% of public shares redeemed

## Summary
- All proposals approved at Oct 24 meeting including business combination, domestication, governance, director elections.
- 21.7M Class A shares redeemed at ~$10.32/share ($224M total), leaving limited trust cash; Sponsor backstops redemptions.
- Sponsor to receive ~8.7M shares & ~1.4M warrants for $86.7M backstop, plus $15M private placement for 1.5M shares & 1.67M warrants.
- Post-close board elected: Matthew Foehr, Jennifer Cochran, Sarah Boyce, Sunil Patel, John Higgins, Carolyn Bertozzi, Joshua Tamaroff.
- 2022 Incentive Award Plan (14% of diluted shares) and ESPP (1.5% of diluted shares) approved, effective upon deal close.

## SEC filing metadata
- accession: 0001104659-22-110957
- form_type: 8-K
- ticker: OABI
- cik: 0001846253
- company_name: OmniAb, Inc.
- filed_at: 2022-10-24T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 5.07, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1846253/000110465922110957/0001104659-22-110957-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1846253/000110465922110957/tm2228794d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-110957
- JSON: https://secwatch.observer/filing/0001104659-22-110957.json
- Plain text: https://secwatch.observer/filing/0001104659-22-110957.txt

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