Quick Takeaways
- Mark K. Oki has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $990,144.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Mark K. Oki
- Location
- Bothell, WA
- Summary
- The estimated net worth of Mark K. Oki is at least $990,144 dollars as of 22 Sep 2025. Mark K. Oki is the Chief Financial Officer of ACHIEVE LIFE SCIENCES, INC. and owns shares of ACHIEVE LIFE SCIENCES, INC. (ACHV) stock worth about $990.1K.
- Signature
- /s/ Sandra Thomson as attorney-in-fact for Mark Oki
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Mark K. Oki and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: ACHIEVE LIFE SCIENCES, INC. ($990,144).
- Past-year value change for that position: -$146,175.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Mark K. Oki
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ACHV | ACHIEVE LIFE SCIENCES, INC. | Chief Financial Officer | $990,144 | -$146,175 | -13% | 18 Sep 2025 |
| AYTU | AYTU BIOPHARMA, INC | Chief Financial Officer | 11 Aug 2023 |
Insider Transactions Reported by Mark K. Oki:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.