Mark K. Oki

CIK: 0001491847

Transaction Breakdown

Open Market Buys (P)1 (14.3%)

High conviction signal

Open Market Sales (S)1 (14.3%)

Position reduction

Option Exercises (M)1 (14.3%)

Derivative conversions

Awards (A)4 (57.1%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ACHV

ACHIEVE LIFE SCIENCES, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (7 total)

ACHV
ACHIEVE LIFE SCIENCES, INC.
Jan 28, 2026
Award(A)
Stock Option (right to buy)
Direct
180K shares-
ACHV
ACHIEVE LIFE SCIENCES, INC.
Sep 18, 2025
Exercise(M)
Direct
168K shares-
ACHV
ACHIEVE LIFE SCIENCES, INC.
Sep 18, 2025
Sale(S)
Direct
50.1K shares at avg. $2.92$146K
ACHV
ACHIEVE LIFE SCIENCES, INC.
Sep 4, 2025
Award(A)
Performance Restricted Stock Unit
Direct
168K shares-
ACHV
ACHIEVE LIFE SCIENCES, INC.
Mar 17, 2025
Purchase(P)
Direct
10K shares at avg. $2.89$29K
ACHV
ACHIEVE LIFE SCIENCES, INC.
Dec 6, 2024
Award(A)
Common Stock Options (right to buy)
Direct
72K shares-
ACHV
ACHIEVE LIFE SCIENCES, INC.
Dec 6, 2024
Award(A)
Performance Restricted Stock Unit (PRSU)
Direct
168K shares-

		Type	Shares	Price		Ownership
Jan 28, 2026	ACHV ACHIEVE LIFE SCIENCES, INC.	Award(A) Stock Option (right to buy)	180,000	-	-	Direct
Sep 18, 2025	ACHV ACHIEVE LIFE SCIENCES, INC.	Exercise(M)	168,000	-	-	Direct
Sep 18, 2025	ACHV ACHIEVE LIFE SCIENCES, INC.	Sale(S)	50,060	$2.92	$146,175	Direct
Sep 4, 2025	ACHV ACHIEVE LIFE SCIENCES, INC.	Award(A) Performance Restricted Stock Unit	168,000	-	-	Direct
Mar 17, 2025	ACHV ACHIEVE LIFE SCIENCES, INC.	Purchase(P)	10,000	$2.89	$28,887	Direct
Dec 6, 2024	ACHV ACHIEVE LIFE SCIENCES, INC.	Award(A) Common Stock Options (right to buy)	72,000	-	-	Direct
Dec 6, 2024	ACHV ACHIEVE LIFE SCIENCES, INC.	Award(A) Performance Restricted Stock Unit (PRSU)	168,000	-	-	Direct

1-7 of 7 transactions

About Oki Mark K

Oki Mark K (SEC CIK 0001491847) files insider reports with the SEC as Chief Financial Officer of ACHIEVE LIFE SCIENCES, INC. (ACHV).

Signal8 holds 6 ownership filings by Oki Mark K (1 Form 3, 5 Form 4), filed between Dec 9, 2024 and Jan 30, 2026. Those filings report 7 transactions, from Dec 6, 2024 to Jan 28, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Oki Mark K's filings is in BOTHELL, WA.

Recent filings by Oki Mark K

Jan 28, 2026: Grant or award of ACHV derivative securities (Form 4, code A).
Sep 18, 2025: Option exercise of ACHV shares (Form 4, code M).
Sep 18, 2025: Open-market sale of ACHV shares (Form 4, code S).
Sep 4, 2025: Grant or award of ACHV derivative securities (Form 4, code A).
Mar 17, 2025: Open-market purchase of ACHV shares (Form 4, code P).

Other insiders filing for ACHIEVE LIFE SCIENCES, INC. (ACHV)

Halladay Benjamin, Chief Financial Officer
Stewart Richard Alistair, Director
Sellig Thomas, Director
Martin Christopher Nathan, Director
Royston Aaron, Director
Waldman Reid Alexander, Director

How to read Form 4 transaction codes