Summary
Updated Aug 31, 2026
Ralf K. Wunderlich is Director of APTARGROUP, INC. (ATR). 2 SEC Form 4 filings on record, most recently on 17 July 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Ralf K. Wunderlich has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Ralf K. Wunderlich go back to 2026: 2 primary Form 4 filings, an average of 2.0 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 Ralf K. Wunderlich 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.
- Stephan B. Tanda - $1.34M of ATR open-market activity in the last 12 months
- Gael Touya - $1.34M of ATR open-market activity in the last 12 months
- Marc Prieur - $1.33M of ATR open-market activity in the last 12 months
- Hedi Tlili - $1.20M of ATR open-market activity in the last 12 months
- Shiela Vinczeller - $561K of ATR open-market activity in the last 12 months
- Xiangwei Gong - $488K of ATR 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 Ralf K. Wunderlich?
Ralf K. Wunderlich is a corporate insider, tracked as Director of APTARGROUP, INC. (ATR). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Ralf K. Wunderlich submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Ralf K. Wunderlich'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 Ralf K. Wunderlich 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