Summary
Updated Aug 30, 2026
Samuel J. Anderson is Director of VICOR CORP (VICR). 8 SEC Form 4 filings on record going back to 2025, most recently on 24 August 2026. Most recent open-market trade: sold $524K of VICR on 18 August 2026. Lifetime open-market sales: $1.17M.
Recent Transactions
12Every recent SEC Form 4 transaction Samuel J. Anderson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Samuel J. Anderson go back to 2025: 8 primary Form 4 filings, an average of 4.0 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 Samuel J. Anderson 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.
- Patrizio Vinciarelli - $271.99M of VICR open-market activity in the last 12 months
- Claudio Tuozzolo - $13.72M of VICR open-market activity in the last 12 months
- James F. Schmidt - $8.43M of VICR open-market activity in the last 12 months
- Estia J. Eichten - $7.35M of VICR open-market activity in the last 12 months
- Michael McNamara - $7.12M of VICR open-market activity in the last 12 months
- Philip D. Davies - $6.54M of VICR 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 Samuel J. Anderson?
Samuel J. Anderson is a corporate insider, tracked as Director of VICOR CORP (VICR). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Samuel J. Anderson submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Samuel J. Anderson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.17M) across all tracked filings.
Where can I see all of Samuel J. Anderson'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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