Summary
Updated Aug 31, 2026
Ramakumar Mayampurath is EVP & CFO of MKS INC (MKSI). 5 SEC Form 4 filings on record going back to 2024, most recently on 26 May 2026. Most recent open-market trade: sold $2.78M of MKSI on 26 May 2026. Lifetime open-market sales: $2.78M.
Recent Transactions
6Every recent SEC Form 4 transaction Ramakumar Mayampurath has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Ramakumar Mayampurath go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Ramakumar Mayampurath 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.
- Gerald G. Colella - $11.74M of MKSI open-market activity in the last 12 months
- John Tseng-Chung Lee - $10.72M of MKSI open-market activity in the last 12 months
- David Philip Henry - $3.89M of MKSI open-market activity in the last 12 months
- James Alan Schreiner - $2.71M of MKSI open-market activity in the last 12 months
- Kathleen Flaherty Burke - $2.46M of MKSI open-market activity in the last 12 months
- Eric Robert Taranto - $2.28M of MKSI 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 Ramakumar Mayampurath?
Ramakumar Mayampurath is a corporate insider, tracked as EVP & CFO of MKS INC (MKSI). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Ramakumar Mayampurath last file a Form 4?
The most recent primary Form 4 on record is dated 26 May 2026, one of 5 filings going back to 2024.
Has Ramakumar Mayampurath been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($2.78M) across all tracked filings.
Where can I see all of Ramakumar Mayampurath'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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