Achieve Life (NASDAQ: ACHV) director keeps 208,249 shares after sale

Rhea-AI Filing Summary

For ACHIEVE LIFE SCIENCES, INC. (ACHV), director Richard Alistair Stewart reported selling 20,626 shares of Common Stock on August 19, 2026 in an open-market transaction at a weighted average price of $8.493 per share, with individual sale prices ranging from $8.4536 to $8.52. Following the sale, he directly holds 208,249 shares and has additional indirect holdings of 359 shares held by his spouse and 882 shares held by Ricanto Limited, of which he is the principal owner.

Insider Trade Summary

Net Seller: 20,626 shares

Net Sell 3 txns

Insider Stewart Richard Alistair

Role Director

Sold 20,626 shs ($175K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	20,626	$8.493	$175K
holding	Common Stock	--	--	--
holding	Common Stock F2	--	--	--

Holdings After Transaction: Common Stock — 208,249 shares (Direct); Common Stock — 359 shares (Indirect, By Spouse); Common Stock — 882 shares (Indirect, By Ricanto Limited)

Footnotes (2)

1. F1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.4536 to $8.52 per share, inclusive. The reporting person hereby undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
2. F2. The reporting holder is the principal owner of Ricanto Limited.

Key Figures

Shares sold: 20,626 shares of Common Stock Weighted average sale price: $8.493 per share Sale price range: $8.4536 to $8.52 per share +3 more

6 metrics

Shares sold 20,626 shares of Common Stock Open-market sale on August 19, 2026 by director Richard Alistair Stewart

Weighted average sale price $8.493 per share Price for 20,626 shares sold on August 19, 2026

Sale price range $8.4536 to $8.52 per share Range of prices for the multiple transactions included in the reported sale

Direct holdings after transaction 208,249 shares of Common Stock Direct ownership by Richard Alistair Stewart following the sale

Indirect holdings by spouse 359 shares of Common Stock Indirect ownership reported as held by spouse

Indirect holdings via Ricanto Limited 882 shares of Common Stock Indirect ownership reported as held by Ricanto Limited, where he is principal owner

Key Terms

weighted average price, indirect, nature of ownership

3 terms

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

indirect financial

"total_shares_following_transaction": "359.0000", "direct_or_indirect": "I""

nature of ownership financial

""nature_of_ownership": "By Ricanto Limited""

FAQ

What insider transaction did ACHV disclose for Richard Alistair Stewart?

ACHV disclosed that director Richard Alistair Stewart sold 20,626 shares of Common Stock on August 19, 2026 in an open-market transaction at a weighted average price of $8.493 per share, with sale prices ranging from $8.4536 to $8.52 per share.

How many ACHV shares did Richard Alistair Stewart hold after the reported sale?

After the sale, Richard Alistair Stewart held 208,249 ACHV shares directly. In addition, he had indirect ownership of 359 shares held by his spouse and 882 shares held by Ricanto Limited, of which he is the principal owner.

At what prices were Richard Alistair Stewart’s ACHV shares sold?

The reported 20,626 ACHV shares were sold at a weighted average price of $8.493 per share. According to the filing, the individual transactions occurred at prices ranging from $8.4536 to $8.52 per share, inclusive.

What type of ownership does Richard Alistair Stewart report for his remaining ACHV shares?

Richard Alistair Stewart reports 208,249 ACHV shares as held directly. He also reports indirect ownership of 359 shares held by his spouse and 882 shares held by Ricanto Limited, where he is the principal owner.

Was the ACHV insider sale by Richard Alistair Stewart reported as a weighted average price?

Yes. The filing states the sale of 20,626 ACHV shares used a weighted average price of $8.493 per share, with multiple transactions executed between $8.4536 and $8.52 per share. The insider undertook to provide detailed trade breakdowns upon request.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/21/2026 - 04:30 PM Accepted by SEC EDGAR 08/21/2026 - 04:30 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Stewart Richard Alistair

(Last) (First) (Middle)

22722 29TH DR SE

SUITE 100

(Street)

BOTHELL WASHINGTON 98021

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ACHIEVE LIFE SCIENCES, INC. [ ACHV ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/19/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/19/2026		S		20,626	D	$8.493(1)	208,249	D
Common Stock								359	I	By Spouse
Common Stock								882	I	By Ricanto Limited(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.4536 to $8.52 per share, inclusive. The reporting person hereby undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. The reporting holder is the principal owner of Ricanto Limited.

	/s/ Sandra Thomson as attorney-in-fact	08/21/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)