Director proposes sale of 850 common shares

Notice of proposed sale by an insider of common stock.

Rhea-AI Filing Summary

Notice of proposed sale by an insider of common stock. The filing lists 850 common shares to be sold on 06/17/2026 pursuant to a stock option exercise for cash, routed through Morgan Stanley Smith Barney LLC. The excerpt also records numerous prior dispositions by Dennis Mulroy between 05/15/2026 and 06/16/2026, including a 35,000-share sale on 06/11/2026. These entries show transaction dates, share counts, and gross proceeds for each sale.

Insights

Securities Compliance Analyst

Form 144 notifies the market of a proposed sale of 850 shares via option exercise.

The filing documents a proposed disposition of 850 common shares on 06/17/2026 tied to a stock option exercise with cash settlement through Morgan Stanley Smith Barney LLC. Form 144 is a regulatory notice that signals intent to sell; it does not confirm completed market trades.

Past dispositions listed by Dennis Mulroy between 05/15/2026 and 06/16/2026 show multiple open-market or broker-facilitated sales with explicit share counts and gross proceeds. Subsequent filings or trade reports will show whether the proposed 850-share sale was executed.

Key Figures

Proposed shares to be sold: 850 shares Significant prior disposition: 35,000 shares Example prior sale proceeds: $1,848,750.00 +2 more

5 metrics

Proposed shares to be sold 850 shares Sale date <date>06/17/2026</date> via stock option exercise

Significant prior disposition 35,000 shares Sold on <date>06/11/2026</date> by Dennis Mulroy

Example prior sale proceeds $1,848,750.00 Gross proceeds for 35,000 shares sold on <date>06/11/2026</date>

Recent sale date range 05/15/2026–06/16/2026 Range of listed prior dispositions by Dennis Mulroy

Broker/Handling Agent Morgan Stanley Smith Barney LLC Listed for the 06/17/2026 transaction

Key Terms

Form 144, Stock Option Exercise, Issuer

3 terms

Form 144 regulatory

"144: Filer Information ... 144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Stock Option Exercise financial

"Common | 06/17/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Issuer regulatory

"Stock Option Exercise | Issuer | ... | 850 | 06/17/2026 | Cash"

FAQ

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

What does the ANAB Form 144 report?

It reports a proposed sale of 850 common shares to occur on 06/17/2026. The filing states this sale arises from a stock option exercise settled for cash and handled through Morgan Stanley Smith Barney LLC.

Who is the selling party listed in the ANAB filing?

The filing lists Dennis Mulroy as the reporting person for multiple transactions. The proposed 850-share sale on 06/17/2026 is shown under the broker Morgan Stanley Smith Barney LLC.

Does Form 144 confirm the sale was completed?

No; Form 144 notifies intent to sell but does not confirm execution. Completion would be shown by subsequent trade reports or a Form 4 reporting the consummated sale.

What prior sales are shown in the filing excerpt for ANAB?

The excerpt lists numerous dispositions between 05/15/2026 and 06/16/2026, including 35,000 shares sold on 06/11/2026 with accompanying gross proceeds recorded for each trade.

How is the 850-share sale being settled per the filing?

The filing states the transaction method as a Stock Option Exercise with settlement in cash, routed through Morgan Stanley Smith Barney LLC on 06/17/2026.

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

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Accepted by SEC EDGAR 06/17/2026 - 04:29 PM EDT Learn about SEC filing dates

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	0001276840
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 92121
Phone	(858) 362-6295
Name of Person for Whose Account the Securities are To Be Sold	DENNIS MULROY
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 Financial Services 1 New York Plaza 8th Floor New York NY 10004	850	51000.00	29100902	06/17/2026	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	06/17/2026	Stock Option Exercise	Issuer			850	06/17/2026	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	06/16/2026	1265	75900.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/15/2026	20000	1153014.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/12/2026	20000	1105940.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/11/2026	35000	1848750.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/10/2026	20000	1046560.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/09/2026	20000	1032230.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/08/2026	21987	1117703.63
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/05/2026	22491	1153671.22
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/04/2026	20000	1035438.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/03/2026	20000	1017250.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/02/2026	20000	1033096.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	06/01/2026	7691	404340.28
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	05/29/2026	15000	834903.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	05/28/2026	10264	594671.20
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	05/27/2026	10000	585006.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	05/26/2026	10000	576000.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	05/22/2026	10000	593009.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	05/21/2026	15467	928071.04
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	05/19/2026	10000	599000.00
DENNIS MULROY 10770 Wateridge Circle, Suite 210 San Diego CA 92121	Common	05/15/2026	10000	632543.00

144: Remarks and Signature

Remarks
Date of Notice	06/17/2026
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/ Dennis Michael Mulroy
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)