---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-107385"
form_type: "8-K"
ticker: "OABI"
cik: "0001846253"
company_name: "OmniAb, Inc."
filed_at: "2021-08-18T23:59:59+00:00"
generated_at: "2026-06-29T09:21:04.736741+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Avista Public Acquisition Corp. II closes $230M IPO plus $12.35M private placement; trust $235.75M

## Summary
- Sold 23M units at $10 each, including full over-allotment; gross proceeds $230M.
- Sponsor bought 8.233M private warrants at $1.50, raising $12.35M.
- Net of deferred underwriting, $235.75M placed in trust — $10.25 per public share.
- Balance sheet: $1.72M cash outside trust for working capital; equity $5.0M.
- 21.85M Class A shares subject to possible redemption at $224.0M temporary equity.

## SEC filing metadata
- accession: 0001104659-21-107385
- form_type: 8-K
- ticker: OABI
- cik: 0001846253
- company_name: OmniAb, Inc.
- filed_at: 2021-08-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1846253/000110465921107385/0001104659-21-107385-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1846253/000110465921107385/tm2125259d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-107385
- JSON: https://secwatch.observer/filing/0001104659-21-107385.json
- Plain text: https://secwatch.observer/filing/0001104659-21-107385.txt

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