Form 4: OmniAb CEO Foehr's Equity Transactions

OmniAb's President and CEO, Matthew W. Foehr, reported the vesting of restricted stock units and a subsequent sell-to-cover transaction for tax obligations.

Summary

• Matthew W. Foehr, President and CEO and Director of OmniAb, Inc. (OABI), reported changes in his beneficial ownership.
• On December 7, 2025, 26,554 shares of Common Stock were acquired due to the vesting of Restricted Stock Units (RSUs).
• This RSU grant vests in three substantially equal annual installments, with the first installment beginning on December 7, 2023.
• Each RSU represents a contingent right to receive one share of OmniAb's Common Stock.
• Following this vesting, Foehr's direct beneficial ownership of Common Stock was 4,373,749 shares.
• On December 8, 2025, 13,666 shares of Common Stock were disposed of at a weighted average price of $1.96 per share.
• These shares were sold to cover tax withholding obligations related to the RSU vesting and were not discretionary trades.
• The sales occurred in multiple transactions at prices ranging from $1.94 to $2.01.
• After the sell-to-cover transaction, Foehr's direct beneficial ownership of Common Stock was 4,360,083 shares.
• The total beneficial ownership includes 5,208 shares acquired on November 28, 2025, through the Issuer's Employee Stock Purchase Plan (ESPP).
• Foehr also beneficially owns 284,376 Restricted Stock Units.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive. The vesting of RSUs and ESPP purchases are positive for the executive, indicating compensation and continued investment. The sell-to-cover is a mandatory tax event, not a discretionary sale, so it doesn't reflect negative sentiment towards the company.

Positives

• Vesting of 26,554 Restricted Stock Units, indicating compensation realization for the CEO.
• Acquisition of 5,208 shares through the Employee Stock Purchase Plan (ESPP) on November 28, 2025, demonstrating continued investment by the CEO in the company.

Negatives

• Disposition of 13,666 shares of Common Stock, although for tax withholding purposes, reduces the CEO's direct shareholding.

Future Outlook

NA

Industry Context

This Form 4 filing details routine insider transactions related to executive compensation and tax obligations. It does not provide broader industry context or strategic insights.

Stakeholder Impact

• Shareholders: The transactions represent routine executive compensation and tax-related sales, which are generally expected. The CEO's overall beneficial ownership remains substantial, indicating alignment with shareholder interests.
• Employees: The mention of an Employee Stock Purchase Plan (ESPP) indicates a benefit available to employees, potentially fostering broader employee ownership.

Next Steps

• The reporting person undertakes to provide full information regarding the number of shares sold at each separate price within the reported range upon request from the Issuer, any security holder, or the SEC staff.

Key Dates

Recommendation

This Form 4 filing details routine insider transactions related to executive compensation (RSU vesting and ESPP acquisition) and mandatory tax-related sales. It does not provide any new fundamental information about the company's performance, strategy, or outlook that would warrant a change in investment recommendation. The CEO's continued beneficial ownership and participation in the ESPP are neutral to slightly positive signals, but not strong enough to change a 'hold' stance based solely on this filing.

Keywords

OmniAb, OABI, Matthew Foehr, SEC Form 4, Insider Trading, Stock Vesting, Restricted Stock Units, RSU, Sell-to-Cover, Employee Stock Purchase Plan, ESPP, Beneficial Ownership