Mark K. Oki - 18 Sep 2025 Form 4 Insider Report for ACHIEVE LIFE SCIENCES, INC. (ACHV)

Role: Chief Financial Officer
Signature: /s/ Sandra Thomson as attorney-in-fact for Mark Oki
Issuer symbol: ACHV
Transactions as of: 18 Sep 2025
Net transactions value: -$146,175
Form type: 4
Filing time: 22 Sep 2025, 16:31:17 UTC
Previous filing: 08 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Oki Mark K	Chief Financial Officer	22722 29TH DR SE, SUITE 100, BOTHELL	/s/ Sandra Thomson as attorney-in-fact for Mark Oki	22 Sep 2025	0001491847

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACHV	Common Stock	Options Exercise	$0	+168,000	+1680%	$0.000000	178,000	18 Sep 2025	Direct	F1
transaction	ACHV	Common Stock	Sale	$146,175	-50,060	-28%	$2.92	127,940	18 Sep 2025	Direct	F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ACHV	Performance Restricted Stock Unit (PRSU)	Options Exercise	$0	-168,000	-100%	$0.000000	0	18 Sep 2025	Common Stock	168,000		Direct	F4, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares of common stock acquired upon settlement of the performance restricted stock units ("PRSUs") listed in Table II.
F2	Represents shares of common stock that have been sold by the Reporting Person to satisfy income tax withholding and remittance obligations in connection with the net settlement of the PRSUs.
F3	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.83 to $3.02 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.
F4	Each PRSU represents a contingent right to receive one share of the issuer's common stock at settlement.
F5	Pursuant to the terms of the award agreement governing the PRSU, the total number of shares underlying the PRSU vest on the achievement of one of certain milestones.