ANAB affiliate files notice to sell 10,000 shares

ANAB affiliate files a proposed sale of 10,000 shares.

Rhea-AI Filing Summary

ANAB affiliate files a proposed sale of 10,000 shares. The filing notifies a stock option exercise sale of 10,000 shares on 05/22/2026 for cash. The filing also lists recent sales by the reporting person: 15,467 shares on 05/21/2026 for $928,071.04, 10,000 shares on 05/19/2026 for $599,000.00, and 10,000 shares on 05/15/2026 for $632,543.00.

Insights

Equity Markets Analyst

Routine affiliate sale notice showing multiple recent disposals.

The filing records a stock option exercise tied to a proposed cash sale of 10,000 shares on 05/22/2026. Multiple near-term sales are listed across 05/15/2026–05/21/2026, with proceeds reported.

Transaction timing and cash treatment are explicit; broader impact depends on the reporting person's future sales activity and overall holdings, which are not disclosed in the excerpt.

Key Figures

Proposed sale: 10,000 shares Prior sale (May 21): 15,467 shares Prior sale (May 19): 10,000 shares +1 more

4 metrics

Proposed sale 10,000 shares stock option exercise on 05/22/2026

Prior sale (May 21) 15,467 shares 05/21/2026 for $928,071.04

Prior sale (May 19) 10,000 shares 05/19/2026 for $599,000.00

Prior sale (May 15) 10,000 shares 05/15/2026 for $632,543.00

Key Terms

Stock Option Exercise, Form 144, Cash

3 terms

Stock Option Exercise financial

"Securities To Be Sold | Common | 05/22/2026 | Stock Option Exercise"

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.

Form 144 regulatory

"CONTENT METADATA: "form_type": "144""

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.

Cash financial

"Securities To Be Sold | ... | 05/22/2026 | Cash"

FAQ

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

What does the ANAB Form 144 notice announce?

It announces a proposed cash sale via stock option exercise of 10,000 shares on 05/22/2026. The notice is a regulatory filing reporting the intended disposition by an affiliate, not a confirmation of completion.

Who is the reporting person named in the ANAB filing?

The filing lists Dennis Mulroy with an address in San Diego. The record shows prior sales by this reporting person on 05/15, 05/19, and 05/21/2026, with specific shares and proceeds disclosed.

How many shares and proceeds were reported in recent sales before 05/22/2026?

The filing lists three recent sales: 15,467 shares for $928,071.04 on 05/21/2026, 10,000 shares for $599,000.00 on 05/19/2026, and 10,000 shares for $632,543.00 on 05/15/2026. These are individual reported dispositions.

Is the 05/22/2026 sale already completed according to the filing?

No; the Form 144 entry describes a proposed sale tied to a stock option exercise scheduled for 05/22/2026 and lists the sale method as Cash. Completion is not confirmed within the notice.

Does the filing state who will receive proceeds from the 10,000-share sale?

The filing indicates the sale type is a Stock Option Exercise with Cash as the sale method. The filing does not specify further allocation of proceeds beyond those labels in the provided excerpt.

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

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Accepted by SEC EDGAR 05/22/2026 - 04:04 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	10000	593008.00	29100902	05/22/2026	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	05/22/2026	Stock Option Exercise	Issuer			10000	05/22/2026	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	05/21/2026	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	05/22/2026
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)