Planned sale of 1,908 AnaptysBio (NASDAQ: ANAB) shares disclosed

Rhea-AI Filing Summary

AnaptysBio investor Dennis Mulroy filed a Form 144 notice to sell 1,908 shares of the company’s common stock, with an aggregate market value of $83,780.28, through Morgan Stanley Smith Barney LLC on NASDAQ around January 7, 2026. These shares were acquired as restricted stock units from the issuer on January 7, 2026 and paid for in cash the same day. Common shares outstanding were 27,688,470.

Over the prior three months, the same seller reported additional common stock sales, including 3,363 shares on January 5, 2026 for gross proceeds of $1,511,166.85, 10,000 shares on December 22, 2025 for $500,000, and 15,725 shares on December 16, 2025 for $705,333.10. By signing the notice, the seller represents not knowing any undisclosed material adverse information about AnaptysBio’s current or prospective operations.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	1908	83780.28	27688470	01/07/2026	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	01/07/2026	Restricted Stock Units	Issuer			1908	01/07/2026	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
Dennis Mulroy 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	01/05/2026	3363	1511166.85
Dennis Mulroy 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	12/22/2025	10000	500000
Dennis Mulroy 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	12/16/2025	15725	705333.1

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filing for ANAB disclose?

The filing shows that Dennis Mulroy plans to sell 1,908 shares of AnaptysBio common stock, with an aggregate market value of $83,780.28, through Morgan Stanley Smith Barney LLC on NASDAQ around January 7, 2026.

How many AnaptysBio (ANAB) shares has the seller recently sold?

Over the past three months, the seller reported three AnaptysBio common stock sales: 3,363 shares on January 5, 2026 for $1,511,166.85, 10,000 shares on December 22, 2025 for $500,000, and 15,725 shares on December 16, 2025 for $705,333.10.

How were the 1,908 AnaptysBio shares being sold acquired?

The 1,908 shares to be sold were acquired as restricted stock units from the issuer on January 7, 2026, and the filing states the nature of payment as cash on the same date.

How many AnaptysBio common shares are outstanding according to this Form 144?

The Form 144 states that 27,688,470 shares of AnaptysBio common stock were outstanding at the time referenced in the securities information section.

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

By signing the notice, the seller represents that they do not know any material adverse information about AnaptysBio’s current or prospective operations that has not been publicly disclosed.

Which broker is handling the planned ANAB stock sale?

The Form 144 lists Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, as the broker for the planned sale on NASDAQ.