---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-104194"
form_type: "8-K"
ticker: "OABI"
cik: "0001846253"
company_name: "OmniAb, Inc."
filed_at: "2021-08-12T23:59:59+00:00"
generated_at: "2026-06-29T14:00:14.402758+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Avista Public Acquisition Corp. II closes $230M IPO, $235.75M in trust

## Summary
- IPO of 23M units at $10/unit, including full over-allotment of 3M units.
- Gross proceeds $230M; private placement of 8.23M sponsor warrants grossed $12.35M.
- Total $235.75M placed in trust account for future business combination.
- Company targets healthcare industry for initial business combination.
- Sponsor and officers entered into lock-up, registration, and other standard agreements.

## SEC filing metadata
- accession: 0001104659-21-104194
- form_type: 8-K
- ticker: OABI
- cik: 0001846253
- company_name: OmniAb, Inc.
- filed_at: 2021-08-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1846253/000110465921104194/0001104659-21-104194-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1846253/000110465921104194/tm2110146d14_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-104194
- JSON: https://secwatch.observer/filing/0001104659-21-104194.json
- Plain text: https://secwatch.observer/filing/0001104659-21-104194.txt

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