OmniAb, Inc. SEC Filing

OABI filed a Rule 144 notice to sell 13,542 shares of common stock.

Accepted by SEC EDGAR 04/07/2026 - 08:12 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

OABI filed a Rule 144 notice to sell 13,542 shares of common stock. The filing lists these as restricted stock issued for compensation with an intended sale date of 04/07/2026. The notice also reports prior sales of 6,990 shares on 02/17/2026 and 9,673 shares on 02/18/2026.

Key Figures

Shares to be sold: 13,542 shares Prior sale 1: 6,990 shares Prior sale 2: 9,673 shares +1 more

4 metrics

Shares to be sold 13,542 shares intended sale date <date>04/07/2026</date>

Prior sale 1 6,990 shares sold on <date>02/17/2026</date>

Prior sale 2 9,673 shares sold on <date>02/18/2026</date>

Record identifier 144782647 document reference in header

Key Terms

RESTRICTED STOCK, COMPENSATION, ISSUER

3 terms

RESTRICTED STOCK regulatory

"COMMON | 04/07/2026 | RESTRICTED STOCK | ISSUER"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

COMPENSATION financial

"04/07/2026 | COMPENSATION"

ISSUER regulatory

"RESTRICTED STOCK | ISSUER"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does OABI's Form 144 report?

The Form 144 reports a planned sale of 13,542 restricted shares of common stock. The filing lists the shares as compensation stock with an intended sale date of 04/07/2026, and notes prior sales in February.

Who is the broker or holder named in the OABI filing?

The filing lists Morgan Stanley Smith Barney LLC Executive Services at an address in Sandy, UT as the broker/servicing entity. It also names an individual, Charles S Berkman, in connection with recent February sales.

How many shares did OABI report selling earlier in 2026?

The notice shows prior dispositions of 6,990 shares on 02/17/2026 and 9,673 shares on 02/18/2026. Those transactions are listed separately from the new 13,542-share sale.

Are the shares in the Form 144 restricted or unrestricted?

The filing explicitly classifies the 13,542 shares as RESTRICTED STOCK. The record also ties the securities to COMPENSATION, indicating issuance as part of a compensation arrangement.

What is the effective sale date shown on the Form 144 for OABI?

The document shows an intended sale date of 04/07/2026 for the 13,542 restricted shares. The filing format lists that date alongside the security and sale purpose.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001392266
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	OmniAb, Inc.
SEC File Number	001-40720
Address of Issuer	5980 HORTON STREET SUITE 600 EMERYVILLE CALIFORNIA 94608
Phone	510-250-7800
Name of Person for Whose Account the Securities are To Be Sold	Berkman Charles S
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
COMMON	MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES 200 W CIVIC CENTER DR. 4TH FLOOR SANDY UT 84070	7157	10628.15	144782647	04/07/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
COMMON	04/07/2026	RESTRICTED STOCK	ISSUER			13542	04/07/2026	COMPENSATION

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Charles S Berkman 5980 HORTON STREET SUITE 600 Emeryville CA 94608	COMMON	02/17/2026	6990	11889.51
Charles S Berkman 5980 HORTON STREET SUITE 600 Emeryville CA 94608	COMMON	02/18/2026	9673	16561.26

144: Remarks and Signature

Remarks	Represents the number of shares expected to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. These sales are mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a sell-to-cover transaction and do not represent discretionary trades by the reporting person.
Date of Notice	04/07/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Charles S. Berkman
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)