Summary
Updated Aug 30, 2026
Christopher Nathan Martin is Director of ACHIEVE LIFE SCIENCES, INC. (ACHV). 5 SEC Form 4 filings on record going back to 2025, most recently on 29 July 2026.
Trading Pattern
InsiderAlpha's records for Christopher Nathan Martin go back to 2025: 5 primary Form 4 filings, an average of 2.5 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 Christopher Nathan Martin 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.
- Fairmount Funds Management LLC - $300.01M of ORKA open-market activity in the last 12 months
- Alan J. Russell - $10.25M of EWTX open-market activity in the last 12 months
- Carl Dambkowski - $8.65M of ORKA open-market activity in the last 12 months
- Paul T. Quinlan - $5.72M of ORKA open-market activity in the last 12 months
- Joanne M. Donovan - $4.62M of EWTX open-market activity in the last 12 months
- Joana Goncalves - $3.81M of ORKA 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 Christopher Nathan Martin?
Christopher Nathan Martin is a corporate insider, tracked as Director of ACHIEVE LIFE SCIENCES, INC. (ACHV). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Christopher Nathan Martin submitted recently?
3 primary Form 4 filings in the last 90 days, covering 3 companies.
Where can I see all of Christopher Nathan Martin'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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