Summary
Updated Aug 31, 2026
Ronald J. Oscher is CHIEF ADMINISTRATIVE OFFICER of AMETEK INC/ (AME). 5 SEC Form 4 filings on record going back to 2025, most recently on 28 May 2026. Most recent open-market trade: sold $5.26M of AME on 3 November 2025. Lifetime open-market sales: $5.26M.
Recent Transactions
13Every recent SEC Form 4 transaction Ronald J. Oscher has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Ronald J. Oscher 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 Ronald J. Oscher 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 A. Zapico - $17.28M of AME open-market activity in the last 12 months
- Thomas C. Marecic - $2.89M of AME open-market activity in the last 12 months
- David F. Hermance - $1.68M of AME open-market activity in the last 12 months
- John Wesley Hardin - $1.48M of AME open-market activity in the last 12 months
- Nick L. Stanage - $1.02M of AME open-market activity in the last 12 months
- Emanuela Speranza - $540K of AME 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 Ronald J. Oscher?
Ronald J. Oscher is a corporate insider, tracked as CHIEF ADMINISTRATIVE OFFICER of AMETEK INC/ (AME). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Ronald J. Oscher last file a Form 4?
The most recent primary Form 4 on record is dated 28 May 2026, one of 5 filings going back to 2025.
Has Ronald J. Oscher been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($5.26M) across all tracked filings.
Where can I see all of Ronald J. Oscher'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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