ANAB insider plans sale of 2,983 shares

An ANAB insider filed a Rule 144 notice to sell 2,983 shares of common stock through Morgan Stanley Smith Barney on NASDAQ, with an aggregate market value of $134,085.85.

Accepted by SEC EDGAR 01/06/2026 - 09:02 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

An ANAB insider filed a Rule 144 notice to sell 2,983 shares of common stock through Morgan Stanley Smith Barney on NASDAQ, with an aggregate market value of $134,085.85. The shares come from restricted stock units acquired and paid for in cash on 01/05/2026.

The notice also lists recent activity over the prior three months, where Eric J. Loumeau sold multiple blocks of common stock on various December 2025 dates, with individual transactions ranging up to 10,000 shares and gross proceeds in the hundreds of thousands of dollars. By signing, the seller represents they are not aware of undisclosed material adverse information about the issuer.

FAQ

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

What does ANABs Form 144 filing disclose?

The filing discloses an insiders intent to sell 2,983 shares of ANAB common stock on NASDAQ under Rule 144, with an aggregate market value of $134,085.85.

How were the 2,983 ANAB shares to be sold acquired?

The 2,983 shares were acquired as restricted stock units from the issuer and paid for in cash on 01/05/2026.

Which broker is handling the planned ANAB share sale?

The planned sale will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services at its New York office.

What prior ANAB share sales are reported in the last 3 months?

The notice lists sales by Eric J. Loumeau in December 2025, including blocks of 10,000, 10,000, 8,240, and 141 common shares, with gross proceeds shown for each transaction.

On which exchange are the ANAB shares planned to be sold?

The filing states that the common stock is to be sold on the NASDAQ exchange.

What representation does the seller make in this Form 144 for ANAB?

The seller represents that they do not know any material adverse information about the issuers current or prospective operations that has not been publicly disclosed.

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	0001239648
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	ANAPTYSBIO, INC
SEC File Number	001-37985
Address of Issuer	10770 WATERIDGE CIRCLE, SUITE 210 SAN DIEGO CALIFORNIA 94005
Phone	858-362-6295
Name of Person for Whose Account the Securities are To Be Sold	ERIC J LOUMEAU
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 Stock	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	2983	134085.85	28023368	01/05/2026	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	01/05/2026	Restricted Stock Units	Issuer			2983	01/05/2026	Cash

* 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
Eric J. Loumeau 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	12/22/2025	10000	510000
Eric J. Loumeau 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	12/18/2025	141	6625.59
Eric J. Loumeau 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	12/17/2025	10000	460000
Eric J. Loumeau 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	12/16/2025	8240	238960

144: Remarks and Signature

Remarks
Date of Notice	01/06/2026
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/ Eric J Loumeau
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)