# EDGAR Filing Document

**Accession Number:** 0001846253
**File Stem:** 0001846253-23-000033
**Filing Date:** 2023-3
**Character Count:** 5707
**Document Hash:** a20aad4fee57ab4004ed64fdd715f654
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001846253-23-000033.hdr.sgml**: 20230331

**ACCESSION NUMBER**: 0001846253-23-000033

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20230331

**ITEM INFORMATION**: Other Events

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20230331

**DATE AS OF CHANGE**: 20230331

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** OmniAb, Inc.
- **CENTRAL INDEX KEY:** 0001846253
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40720
- **FILM NUMBER:** 23789351

**BUSINESS ADDRESS:**
- **STREET 1:** 5980 HORTON STREET
- **STREET 2:** SUITE 600
- **CITY:** EMERYVILLE
- **STATE:** CA
- **ZIP:** 94608
- **BUSINESS PHONE:** 510-250-7800

**MAIL ADDRESS:**
- **STREET 1:** 5980 HORTON STREET
- **STREET 2:** SUITE 600
- **CITY:** EMERYVILLE
- **STATE:** CA
- **ZIP:** 94608

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Avista Public Acquisition Corp. II
- **DATE OF NAME CHANGE:** 20210212

?xml version="1.0" ? oabi-20230331

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**______________**

**FORM 8-K**

**______________**

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the**

**Securities Exchange Act of 1934**

**Date of Report (Date of earliest event reported): March 31, 2023**

**OMNIAB, INC.**

(Exact Name of Registrant as Specified in Its Charter)

---

| | | |
|:---|:---|:---|
| **Delaware** | **001-40720** | **98-1584818** |
| ***(State or other jurisdiction of***<br>***incorporation or organization)*** | ***(Commission File Number)*** | ***(I.R.S. Employer***<br>***Identification No.)*** |

---

---

| | |
|:---|:---|
| **5980 Horton Street, Suite 600** | |
| **Emeryville** | |
| **CA** | **94608** |
| ***(Address of principal executive offices)*** | ***(Zip Code)*** |

---

**(510) 250-7800**

(Registrant's telephone number, including area code)

**N/A**

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

□ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

□ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

□ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

□ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered |
| Common Stock, par value $0.0001 per share | OABI | Nasdaq Global Market |
| Warrants to purchase common stock | OABIW | Nasdaq Capital Market |

---

------

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933(§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company 🗹

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. □

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**Item 8.01&nbsp;&nbsp;&nbsp;&nbsp;Other Events.**

In order to correct a typographical error, the Consent of Ernst & Young LLP, which was filed as Exhibit 23.2 to the Annual Report on Form 10-K of OmniAb, Inc., for the year ended December 31, 2022 filed on March 30, 2023, has been amended to correct the date of the auditor's report. The amended consent is attached to this report as Exhibit 23.2.

**Item 9.01 &nbsp;&nbsp;&nbsp;&nbsp;Financial Statements and Exhibits.**

**(d)&nbsp;&nbsp;&nbsp;&nbsp;Exhibits.**

---

| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| <u>[23.2](exhibit2328-kconsent.htm)</u> | Consent of Ernst & Young LLP |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

------

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

---

| | | |
|:---|:---|:---|
| | **OMNIAB, INC.** | **OMNIAB, INC.** |
| Date: March 31, 2023 | By: | /s/ Kurt A. Gustafson |
|  | Name: Kurt A. Gustafson | Name: Kurt A. Gustafson |
|  | Title: Executive Vice President, Finance and Chief Financial Officer | Title: Executive Vice President, Finance and Chief Financial Officer |

---

## Exhibit 23.2

**Exhibit 23.2**

**Consent of Independent Registered Public Accounting Firm**

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-269103) pertaining to the OmniAb, Inc. 2022 Ligand Service Provider Assumed Award Plan, the OmniAb, Inc. 2022 OmniAb Service Provider Assumed Award Plan, the OmniAb, Inc. 2022 Incentive Award Plan and the OmniAb, Inc. 2022 Employee Stock Purchase Plan, of our report dated March 30, 2023, with respect to the consolidated and combined financial statements of OmniAb, Inc. included in this Annual Report (Form 10-K) for the year ended December 31, 2022.

/s/ Ernst & Young LLP

San Diego, California

March 31, 2023

<br>