Insider · CIK 0001491847
Mark K Oki
Files at ACHV (ACHIEVE LIFE SCIENCES, INC.). First filing Mar 19, 2025, latest Sep 22, 2025.
Mark K Oki files SEC Form 4 as CFO at ACHV (ACHIEVE LIFE SCIENCES, INC.). Since Mar 19, 2025, Mark K Oki has reported 1 open-market buy worth $29k and 1 open-market sell worth $146k, the latest filed on Sep 22, 2025.
A track record needs three past buys with six months of prices behind them; Mark K Oki has 0, so none is measured yet.
The newest scored trade: sold $146k of ACHV on Sep 18, 2025, filed Sep 22, 2025, scored 43 (moderate).
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ACHV: ACHIEVE LIFE SCIENCES, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 43Moderate | ACHIEVE LIFE SCIENCES, INC. | $146k 50,060 shares | -28% | +45% from low-46% from high | |
| 43Moderate | ACHIEVE LIFE SCIENCES, INC. | $29k 10,000 shares | - | - |
Transactions
Every row this insider has filed, 8 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jan 28, 2026 | ACHV ACHIEVE LIFE SCIENCES, INC. | AGrant or award Stock Option (right to buy)derivative | +180,000 | $0.00 | $0 | 180,000 | Jan 30, 2026 |
| Sep 18, 2025 | ACHV ACHIEVE LIFE SCIENCES, INC. | MOption exercise Common Stock | +168,000 | $0.00 | $0 | 178,000 | Sep 22, 2025 |
| Sep 18, 2025 | ACHV ACHIEVE LIFE SCIENCES, INC. | SOpen-market sale Common Stock | -50,060 | $2.92 | $146k | 127,940 | Sep 22, 2025 |
| Sep 18, 2025 | ACHV ACHIEVE LIFE SCIENCES, INC. | MOption exercise Performance Restricted Stock Unit (PRSU)derivative | -168,000 | $0.00 | $0 | 0 | Sep 22, 2025 |
| Sep 4, 2025 | ACHV ACHIEVE LIFE SCIENCES, INC. | AGrant or award Performance Restricted Stock Unitderivative | -168,000 | $0.00 | $0 | 0 | Sep 8, 2025 |
| Mar 17, 2025 | ACHV ACHIEVE LIFE SCIENCES, INC. | POpen-market purchase Common Stock | +10,000 | $2.89 | $29k | 10,000 | Mar 19, 2025 |
| Dec 6, 2024 | ACHV ACHIEVE LIFE SCIENCES, INC. | AGrant or award Common Stock Options (right to buy)derivative | +72,000 | $0.00 | $0 | 72,000 | Dec 9, 2024 |
| Dec 6, 2024 | ACHV ACHIEVE LIFE SCIENCES, INC. | AGrant or award Performance Restricted Stock Unit (PRSU)derivative | +168,000 | $0.00 | $0 | 168,000 | Dec 9, 2024 |
Questions about Mark K Oki
Answered from the filings on this page, as of the latest one.
Is Mark K Oki buying or selling?
Not in the last 12 months. Mark K Oki's latest open-market trade on SEC Form 4 was sold $146k of ACHV on Sep 18, 2025.
How did Mark K Oki's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark K Oki has 0.
Where does Mark K Oki file Form 4?
Mark K Oki has filed Form 4 at ACHV (ACHIEVE LIFE SCIENCES, INC.) as Chief Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.