Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Michael Spillane. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Annette N. Fritsch - $132K in SAM purchases and sales on record
- Carolyn L. O'Boyle - $56K in SAM purchases and sales on record
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Michael Spillane?
Michael Spillane is a corporate insider of BOSTON BEER CO INC (SAM). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Michael Spillane last file a Form 4?
The only primary Form 4 on record is dated 4 November 2025.
Has Michael Spillane been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($642K) across all tracked filings.