| Item 1. | |
| (a) | Name of issuer:
OmniAb, Inc. |
| (b) | Address of issuer's principal executive offices:
5980 HORTON STREET, SUITE 600, EMERYVILLE, California, 94608 |
| Item 2. | |
| (a) | Name of person filing:
The names of the persons filing this statement on Schedule 13G are (collectively, the "Reporting Persons"):
Whitefort Capital Management, LP, a Delaware limited partnership ("Whitefort Management");
David Salanic, a French citizen ("Mr. Salanic"); and
Joseph Kaplan, a United States citizen ("Mr. Kaplan").
Whitefort Management acts as the investment manager of certain client accounts. Each of Mr. Salanic and Mr. Kaplan is a Co-Managing Partner of Whitefort Management.
By virtue of these relationships, each of Whitefort Management, Mr. Salanic and Mr. Kaplan may be deemed to have voting and dispositive power with respect to shares of Common Stock (as defined below) held in client accounts managed by Whitefort Management. |
| (b) | Address or principal business office or, if none, residence:
The principal business address of each of the Reporting Persons is 12 East 49th Street, 40th Floor, New York, New York 10017. |
| (c) | Citizenship:
Mr. Salanic is a citizen of France.
Mr. Kaplan is a citizen of the United States.
Whitefort Management is a limited partnership formed under the laws of the State of Delaware. |
| (d) | Title of class of securities:
Common Stock, $0.0001 par value per share |
| (e) | CUSIP No.:
68218J103 |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: |
| (a) |  Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
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| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
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| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| Item 4. | Ownership |
| (a) | Amount beneficially owned:
As of the close of business on June 30, 2025,
(i) Whitefort Management, as the investment manager of certain client accounts, may be deemed to beneficially own the 10,240,146 Shares held in such accounts;
(ii) Mr. Salanic, as a Co-Managing Partner of Whitefort Management, may be deemed to beneficially own the 10,240,146 Shares held in the client accounts managed by Whitefort Management.
(iii) Mr. Kaplan, as a Co-Managing Partner of Whitefort Management, may be deemed to beneficially own the 10,240,146 Shares held in the client accounts managed by Whitefort Management. |
| (b) | Percent of class:
The percentage of Shares reported owned by each person named herein is based upon 122,335,336 Shares outstanding as of May 1, 2025, as reported on the Issuer's Form 10-Q filed with the Securities and Exchange Commission on May 8, 2025. As of the close of business on June 30, 2025, each of the Reporting Persons may be deemed to beneficially own 8.4% of the outstanding Shares. |
| (c) | Number of shares as to which the person has:
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| | (i) Sole power to vote or to direct the vote:
See Cover Pages Items 5-8.
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| | (ii) Shared power to vote or to direct the vote:
See Cover Pages Items 5-8.
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| | (iii) Sole power to dispose or to direct the disposition of:
See Cover Pages Items 5-8.
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| | (iv) Shared power to dispose or to direct the disposition of:
See Cover Pages Items 5-8.
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| Item 5. | Ownership of 5 Percent or Less of a Class. |
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
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Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
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Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. |
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If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
See Exhibit A on the Schedule 13G filed by the Reporting Persons with the Securities and Exchange Commission on June 6, 2025. |
| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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Rule 13d-1(c)