ANAB Form 144: 20,000 Shares Proposed Sale

Rhea-AI Filing Summary

Company: ANAB. This Form 144 notice lists a proposed sale of 20,000 shares of Common Stock via a stock option exercise for cash, dated 06/15/2026. The filing also lists numerous recent dispositions by Dennis Mulroy on multiple dates in May–June 2026, with individual sale sizes shown per date and dollar amounts.

Insights

Securities Counsel

Administrative resale notice for an affiliate transaction; sale mechanics are the focus.

The filing is a Form 144 notification of a proposed sale of 20,000 shares by means of a stock option exercise on 06/15/2026. It documents method (cash exercise) and the broker/placement details.

Timing and cash‑flow treatment are explicitly tied to the exercise on 06/15/2026; subsequent market activity will depend on holder decisions and applicable resale conditions.

Equity Markets Analyst

Routine affiliate resale filing; recent serial dispositions by the same holder are recorded.

The excerpt lists multiple past sales by Dennis Mulroy with dates and per‑trade proceeds (for example, 35,000 shares on 06/11/2026 for $1,848,750.00). These are presented as historical transactions, not an offering by the issuer.

Market impact depends on how and when the exercised shares are offered; the filing itself only notifies regulators of the proposed resale method.

Key Figures

Proposed resale: 20,000 shares Recent sale example: 35,000 shares Recent sale example: 15,000 shares +1 more

4 metrics

Proposed resale 20,000 shares stock option exercise on 06/15/2026

Recent sale example 35,000 shares sale on 06/11/2026 for $1,848,750.00

Recent sale example 15,000 shares sale on 05/29/2026 for $834,903.00

Recent sale example 7,691 shares sale on 06/01/2026 for $404,340.28

Key Terms

Form 144, stock option exercise, Issuer

3 terms

Form 144 regulatory

"This filing is identified as a Form 144 notice of proposed sale"

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 | Common | 06/15/2026 | 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.

Issuer regulatory

"Stock Option Exercise | Issuer | 20000 | 06/15/2026 | Cash"

FAQ

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

What does ANAB's Form 144 filing mean?

It notifies regulators of a proposed resale of 20,000 shares by an affiliate via a stock option exercise on 06/15/2026. The form documents the intended sale method and broker involvement; it is an administrative disclosure rather than a company capital raise.

Who is the selling party in the ANAB Form 144?

The filing shows transactions attributed to Dennis Mulroy, with the proposed 06/15/2026 exercise also listed. Multiple prior dispositions by Mr. Mulroy are recorded in the excerpt with dates and proceeds.

How many shares are proposed for resale in the Form 144?

The form lists a proposed sale of 20,000 shares of Common Stock via a stock option exercise dated 06/15/2026. The filing ties the method to a cash exercise on that date.

Does the Form 144 state who receives the sale proceeds?

The filing indicates the sale follows a stock option exercise and lists the transaction type as Issuer; it shows cash as the exercise/payment method. It does not provide further allocation details.

Are there recent sales by the same holder in this filing?

Yes. The excerpt lists multiple recent dispositions by Dennis Mulroy, for example 35,000 shares on 06/11/2026 for $1,848,750.00, and other dated trades in May–June 2026 with individual proceeds shown.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 06/15/2026 - 05:47 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	20000	1153014.00	29100902	06/15/2026	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	06/15/2026	Stock Option Exercise	Issuer			20000	06/15/2026	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	06/12/2026	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	06/15/2026
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)