Achieve Life (NASDAQ: ACHV) director to sell 20,626 shares

Rhea-AI Filing Summary

ACHIEVE LIFE SCIENCES, INC. (symbol ACHV) received a Rule 144 notice from director Richard Alistair Stewart regarding a proposed sale of 20,626 shares of common stock through broker Charles Schwab Corp. The shares have an indicated aggregate market value of $155,107.52, and common shares outstanding are listed as 102,902,490 as of August 19, 2026. The filing also lists how the securities were acquired, including a 1,950,030-share corporate action in 2017 and open-market purchases of 17,500 shares in 2019 and 10,000 shares in 2024.

Key Figures

Shares to be sold: 20,626 shares Aggregate market value: $155,107.52 Shares outstanding: 102,902,490 shares +3 more

6 metrics

Shares to be sold 20,626 shares ACHV common stock proposed for sale under Rule 144

Aggregate market value $155,107.52 Market value of 20,626 ACHV shares covered by the notice

Shares outstanding 102,902,490 shares ACHV common shares outstanding as of August 19, 2026

Corporate action acquisition 1,950,030 shares ACHV common shares acquired via corporate action on August 31, 2017

Open market purchase 2019 17,500 shares ACHV common shares acquired on May 31, 2019

Open market purchase 2024 10,000 shares ACHV common shares acquired on May 2, 2024

Key Terms

Rule 144, aggregate market value, open market purchase, corporate action

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

aggregate market value financial

"20626 | 155107.52 | 102902490 | 08/19/2026 | NASDAQ"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

open market purchase financial

"Common | 05/31/2019 | Open Market Purchase | Issuer"

An open market purchase is when a company buys its own shares on public stock exchanges the same way any investor would, rather than through a private deal. Investors care because these purchases reduce the number of shares available, can boost earnings per share and share price, signal that management thinks the stock is undervalued, and use company cash that might otherwise go to reinvestment or dividends — like a business quietly buying back its own tickets at the box office.

corporate action financial

"Common | 08/31/2017 | Corporate Action | Issuer"

FAQ

What insider transaction is disclosed for ACHV in this Form 144 filing?

Director Richard Alistair Stewart filed to potentially sell 20,626 shares of ACHIEVE LIFE SCIENCES, INC. common stock. The proposed sale is to be effected through broker Charles Schwab Corp and is reported under Rule 144, indicating an intention to resell restricted or control securities.

What is the aggregate market value of the ACHV shares covered by this Form 144?

The Form 144 lists an aggregate market value of $155,107.52 for the 20,626 ACHV common shares. This figure reflects the indicated market value at the time of the notice and is used for Rule 144 disclosure rather than as a guaranteed sale price.

How many ACHV common shares are reported as outstanding in this Form 144?

The notice states that 102,902,490 ACHV common shares were outstanding as of August 19, 2026. This figure provides context for the relative size of the proposed 20,626-share sale under Rule 144 compared with the total share count.

How did the director acquire the ACHV shares referenced in the Form 144?

The filing shows a 1,950,030-share position from a corporate action dated August 31, 2017, plus 17,500 shares from a May 31, 2019 open market purchase and 10,000 shares from a May 2, 2024 open market purchase, all in ACHV common stock.

Which broker is named in the ACHV Form 144 filing?

The proposed Rule 144 sale for ACHV shares is to be handled by Charles Schwab Corp. The broker’s address is given in Westlake, Texas, and it is listed in connection with the 20,626 ACHV common shares to be sold on NASDAQ.

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

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Available on EDGAR 08/19/2026 - 09:16 AM Accepted by SEC EDGAR 08/19/2026 - 09:16 AM 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	0001713369
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	ACHIEVE LIFE SCIENCES, INC.
SEC File Number	033-80623
Address of Issuer	22722 29TH DR. SE SUITE 100 BOTHELL WASHINGTON 98021
Phone	604-210-2217
Name of Person for Whose Account the Securities are To Be Sold	Stewart Richard Alistair
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	Director

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	Charles Schwab Corp. 3000 Schwab Way Westlake TX 76262	20626	155107.52	102902490	08/19/2026	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	08/31/2017	Corporate Action	Issuer			1950030	08/31/2017	N/A
Common	05/31/2019	Open Market Purchase	Issuer			17500	05/31/2019	Cash
Common	05/02/2024	Open Market Purchase	Issuer			10000	05/02/2024	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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/19/2026
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	RICHARD ALISTAIR STEWART
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)