Summary
Latest filing:
Peter Ashley Marks is Director of ALTERITY THERAPEUTICS LTD (ATHE). 1 SEC Form 4 filing on record, dated 8 September 2026. Most recent open-market trade: bought $24K of ATHE on 8 September 2026. Lifetime open-market purchases: $48K.
Recent Transactions
1Every recent SEC Form 4 transaction Peter Ashley Marks has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Peter Ashley Marks 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.
- David Allen Stamler - $24K of ATHE 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 Peter Ashley Marks?
Peter Ashley Marks is a corporate insider, tracked as Director of ALTERITY THERAPEUTICS LTD (ATHE). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Peter Ashley Marks submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Peter Ashley Marks been buying or selling stock?
Recorded transactions: 2 open-market purchases ($48K) and 0 open-market sales across all tracked filings.
Where can I see all of Peter Ashley Marks'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.
Learn More
Follow Peter Ashley Marks and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
