Form 144: 15,000 ANAB shares proposed sale

ANAB filing under Rule 144 reports a proposed sale of 15,000 common shares via a stock option exercise on 05/29/2026.

Rhea-AI Filing Summary

ANAB filing under Rule 144 reports a proposed sale of 15,000 common shares via a stock option exercise on 05/29/2026. The filing lists multiple recent dispositions by Dennis Mulroy with trade dates and gross proceeds, including sales on 05/28/2026 (10,264 shares, $594,671.20) and earlier May sales.

Insights

Securities Compliance Attorney

Routine Rule 144 notice for a controlled resale; filings list recent sales by the reporting person.

The filing notifies the market of a proposed sale of 15,000 common shares by means of a stock option exercise, dated 05/29/2026. It also lists multiple recent cash sales by Dennis Mulroy with per‑trade gross proceeds shown.

Timing and exact cash‑flow treatment are spelled out per trade; subsequent regulatory filings or settlement confirmations will show actual transfer outcomes.

Key Figures

Proposed shares to be sold: 15,000 shares Sale on 05/28/2026: 10,264 shares Sale on 05/27/2026: 10,000 shares +1 more

4 metrics

Proposed shares to be sold 15,000 shares stock option exercise on 05/29/2026

Sale on 05/28/2026 10,264 shares gross proceeds $594,671.20

Sale on 05/27/2026 10,000 shares gross proceeds $585,006.00

Largest listed May sale 15,467 shares gross proceeds $928,071.04 on 05/21/2026

Key Terms

Form 144, stock option exercise, gross proceeds

3 terms

Form 144 regulatory

"Form 144 reporting proposed sale of 15,000 common shares"

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

"Securities To Be Sold | 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.

gross proceeds financial

"05/28/2026 | 10,264 | 594671.20"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

FAQ

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

What does ANAB's Form 144 report?

It reports a proposed sale of 15,000 common shares via stock option exercise on 05/29/2026. The form also lists several recent cash sales by Dennis Mulroy with dates and gross proceeds.

Who is listed as the selling party on the ANAB Form 144?

The filing shows Dennis Mulroy as the individual associated with multiple sales and lists the proposed 15,000‑share transaction dated 05/29/2026 via stock option exercise.

What recent sales by Dennis Mulroy are included?

The form lists cash sales including 10,264 shares on 05/28/2026 for $594,671.20 and prior May sales of 10,000–15,467 shares with gross proceeds shown for each trade.

Does the Form 144 confirm the trades settled?

No. The form notifies a proposed sale and records recent dispositions; settlement or transfer completion is not confirmed within the provided excerpt.

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

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Accepted by SEC EDGAR 05/29/2026 - 04:11 PM 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	15000	834903.00	29100902	05/29/2026	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	05/29/2026	Stock Option Exercise	Issuer			15000	05/29/2026	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	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	05/29/2026
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)