Summary
Updated Aug 31, 2026
Timothy Pv Mammen is SVP, Chief Financial Officer of IPG PHOTONICS CORP (IPGP). 3 SEC Form 4 filings on record, most recently on 26 May 2026. Most recent open-market trade: sold $326K of IPGP on 26 May 2026. Lifetime open-market sales: $1.20M.
Recent Transactions
4Every recent SEC Form 4 transaction Timothy Pv Mammen has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Timothy Pv Mammen go back to 2026: 3 primary Form 4 filings, an average of 3.0 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 Timothy Pv Mammen 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.
- IP FIBRE DEVICES LTD - $41.37M of IPGP open-market activity in the last 12 months
- Valentin Gapontsev Trust I - $36.27M of IPGP open-market activity in the last 12 months
- Eugene A. Scherbakov - $1.54M of IPGP open-market activity in the last 12 months
- Angelo P. Lopresti - $496K of IPGP open-market activity in the last 12 months
- Trevor Ness - $412K of IPGP open-market activity in the last 12 months
- Tang Agnes - $322K of IPGP 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 Timothy Pv Mammen?
Timothy Pv Mammen is a corporate insider, tracked as SVP, Chief Financial Officer of IPG PHOTONICS CORP (IPGP). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Timothy Pv Mammen last file a Form 4?
The most recent primary Form 4 on record is dated 26 May 2026, one of 3 filings going back to 2026.
Has Timothy Pv Mammen been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.20M) across all tracked filings.
Where can I see all of Timothy Pv Mammen'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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