Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Luc Seraphin 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.
- Xianzhi Sean Fan - $5.75M of RMBS open-market activity in the last 12 months
- Necip Sayiner - $2.77M of RMBS open-market activity in the last 12 months
- Emiko Higashi - $2.39M of RMBS open-market activity in the last 12 months
- Desmond Lynch - $2.19M of RMBS open-market activity in the last 12 months
- Meera Rao - $1.74M of RMBS open-market activity in the last 12 months
- Eric B. Stang - $1.69M of RMBS 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 Luc Seraphin?
Luc Seraphin is a corporate insider, tracked as President and CEO of RAMBUS INC (RMBS). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Luc Seraphin last file a Form 4?
The most recent primary Form 4 on record is dated 4 April 2026, one of 3 filings going back to 2026.
Has Luc Seraphin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 9 open-market sales ($4.41M) across all tracked filings.
Where can I see all of Luc Seraphin'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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