Summary
Updated Aug 31, 2026
Thomas Braxton King files SEC Form 4 reports at ACHIEVE LIFE SCIENCES, INC. (ACHV). 2 SEC Form 4 filings on record, most recently on 4 September 2025. Most recent open-market trade: sold $387K of ACHV on 4 September 2025. Lifetime open-market sales: $387K.
Recent Transactions
2Every recent SEC Form 4 transaction Thomas Braxton King has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Thomas Braxton King go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Thomas Braxton King files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Richard Alistair Stewart - $553K of ACHV open-market activity in the last 12 months
- Mark K. Oki - $146K of ACHV open-market activity in the last 12 months
- Cindy Jacobs - $77K of ACHV open-market activity in the last 12 months
- Jaime Xinos - $58K of ACHV open-market activity in the last 12 months
- Jerry Wan - $39K of ACHV open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Thomas Braxton King?
Thomas Braxton King is a corporate insider of ACHIEVE LIFE SCIENCES, INC. (ACHV). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Thomas Braxton King last file a Form 4?
The most recent primary Form 4 on record is dated 4 September 2025, one of 2 filings going back to 2025.
Has Thomas Braxton King been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($387K) across all tracked filings.
Where can I see all of Thomas Braxton King's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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