SCHEDULE: Investment Group Discloses Significant Passive Stake in OmniAB, Inc.

A group of investors, including Ash X LP, RLG GP LLC, RLG Capco II LLC, and Robert Goldstein, has disclosed a collective passive beneficial ownership of 5.3% in OmniAB, Inc.'s common stock.

Summary

• Ash X LP and RLG GP LLC each beneficially own 5,414,204 shares of OmniAB, Inc. common stock, representing approximately 4.4% of the outstanding shares.
• RLG Capco II LLC beneficially owns 1,085,960 shares of OmniAB, Inc. common stock, representing approximately 0.9% of the outstanding shares.
• Robert Goldstein, through his roles as Managing Member of RLG GP LLC (General Partner of Ash X LP) and Manager of RLG Capco II LLC, is deemed to beneficially own a total of 6,500,164 shares, which constitutes approximately 5.3% of OmniAB, Inc.'s common stock.
• The percentages of ownership are based on 122,335,336 shares of Common Stock outstanding as of May 1, 2025, as disclosed in OmniAB, Inc.'s Form 10-Q filed on May 8, 2025.
• The Reporting Persons have certified that the securities were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of OmniAB, Inc.

Sentiment

Score: 5

Explanation: The document is a factual disclosure of beneficial ownership, providing neutral information without explicit positive or negative operational or financial news.

Positives

• The disclosure of a significant passive stake by an investment group may signal increased institutional interest and confidence in OmniAB, Inc.

Future Outlook

This Schedule 13G filing is a disclosure of beneficial ownership and does not contain forward-looking statements or guidance regarding OmniAB, Inc.'s future performance or strategic direction.

Industry Context

The filing indicates a significant passive investment by a group of entities and an individual in OmniAB, Inc., suggesting investor interest in the company within its sector. This type of disclosure is common for institutional investors acquiring a notable, non-controlling stake in publicly traded companies.

Stakeholder Impact

• Shareholders may view the disclosure of a new significant institutional investor positively, as it can indicate confidence in the company's value and potentially attract further investment.

Key Dates

Keywords

OmniAB Inc., Common Stock, Schedule 13G, Beneficial Ownership, Institutional Investor, Ash X LP, RLG GP LLC, RLG Capco II LLC, Robert Goldstein, Passive Investment