---
schema_version: "secwatch.filing_event.v1"
accession: "0001846253-26-000002"
form_type: "8-K"
ticker: "OABI"
cik: "0001846253"
company_name: "OmniAb, Inc."
filed_at: "2026-01-30T23:59:59+00:00"
generated_at: "2026-05-16T06:04:50.023702+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# OmniAb amends bylaws to adopt universal proxy rules and enhance stockholder proposal disclosures

## Summary
- Board approved amended bylaws effective January 30, 2026, adding universal proxy rule compliance language.
- Stockholder nominations must comply with Rule 14a-19 and include expanded background and ownership disclosures.
- Enhanced procedural requirements for stockholder proposals, including details on proxy solicitation.
- Amendments also include technical, modernizing, and clarifying changes to the bylaws.

## SEC filing metadata
- accession: 0001846253-26-000002
- form_type: 8-K
- ticker: OABI
- cik: 0001846253
- company_name: OmniAb, Inc.
- filed_at: 2026-01-30T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1846253/000184625326000002/0001846253-26-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1846253/000184625326000002/oabi-20260130.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001846253-26-000002
- JSON: https://secwatch.observer/filing/0001846253-26-000002.json
- Plain text: https://secwatch.observer/filing/0001846253-26-000002.txt

## Source-grounded claims
- claim_id: 5192f2fabb9f9faa2cc76837aebc30f4f2284a17
  claim: OmniAb, Inc.: Amended and restated bylaws to address universal proxy rules and modernize stockholder meeting procedures (effective 2026-01-30).
  evidence_excerpt: On January 30, 2026, the Board of Directors (the “Board”) of OmniAb, Inc. (the “Company”) approved and adopted amended and restated bylaws (the “Amended and Restated Bylaws”), which became effective the same day.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1846253/000184625326000002/0001846253-26-000002-index.htm

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