secwatch.observer — SEC 8-K summary
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Issuer:     OmniAb, Inc. (OABI)
CIK:        0001846253
Form:       8-K
Filed at:   2026-07-13T12:06:34+00:00
Accession:  0001846253-26-000042
Event type: leadership
Sentiment:  neutral
Materiality: 0.60
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

OmniAb appoints Amechi Nwachuku as COO effective July 13, 2026
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- Amechi Nwachuku appointed COO, effective July 13, 2026; most recently VP at Thermo Fisher Scientific.
- Initial annual base salary of $445,000; eligible for annual target bonus of 45% of base salary.
- Received $20,000 signing bonus; granted stock options to purchase 800,000 shares vesting over 4 years.
- Options vest 12.5% at six-month anniversary, then monthly; exercise price equals closing price on grant date.
- Eligible for severance under OmniAb Severance Plan and change-in-control agreement with enhanced benefits.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1846253/000184625326000042/0001846253-26-000042-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1846253/000184625326000042/oabi-20260713.htm
  HTML page:      https://secwatch.observer/filing/0001846253-26-000042

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer