Summary
Updated Aug 31, 2026
Martin Robert Christiansen IV is VP, Supply Chain of HAYNES INTERNATIONAL INC (HAYN). 1 SEC Form 4 filing on record, dated 21 November 2024.
Recent Transactions
1Every recent SEC Form 4 transaction Martin Robert Christiansen IV has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Martin Robert Christiansen IV go back to 2024: 1 primary Form 4 filing, an average of 0.3 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.
Most Active Insiders Right Now
Martin Robert Christiansen IV has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Silver Lake Partners V DE (AIV), L.P. - $165.05M of DELL open-market activity in the last 90 days
- GIC Private Ltd - $158.25M of MDLN open-market activity in the last 90 days
- Sean Lie - $157.48M of CBRS open-market activity in the last 90 days
- John B. Hess - $157.37M of CVX open-market activity in the last 90 days
- Mark Barrocas - $156.00M of SN open-market activity in the last 90 days
- Jack Jiajia Huang - $155.38M of COE open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Martin Robert Christiansen IV?
Martin Robert Christiansen IV is a corporate insider, tracked as VP, Supply Chain of HAYNES INTERNATIONAL INC (HAYN). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Martin Robert Christiansen IV last file a Form 4?
The only primary Form 4 on record is dated 21 November 2024.
Where can I see all of Martin Robert Christiansen IV'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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