Oki Mark K
- SEC CIK
- 0001491847
No open-market purchases or sales filed in the past year.
Current role at each company
- ACHV Achieve Life Sciences, Inc.Chief Financial Officeras of Jan 30, 2026
- AYTU Aytu Biopharma, IncChief Financial Officeras of Aug 15, 2023
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Oki Mark K as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
ACHV Achieve Life Sciences, Inc.
Chief Financial Officer2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 22, 2025 (view filing) | Sep 18 | 4 days | Oki Mark KChief Financial Officer | SSale | −50.1K | $2.92 | −$146.2K | −28.1%127.9K after | |
| Mar 19, 2025 (view filing) | Mar 17 | 2 days | Oki Mark KChief Financial Officer | PPurchase | +10.0K | $2.89 | +$28.9K | New position10.0K after |
AYTU Aytu Biopharma, Inc
Chief Financial Officer1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 28, 2022 (view filing)4:30 PM ET | Nov 18 | 10 days | Oki Mark KChief Financial Officer | PPurchase | +90.0K | $0.23 | +$20.7K | +90.0%190.0K after | Amended |