Summary
Updated Aug 31, 2026
Brian C. White is Director of ALLEGRO MICROSYSTEMS, INC. (ALGM). 7 SEC Form 4 filings on record going back to 2025, most recently on 7 August 2026. Most recent open-market trade: sold $410K of FORM on 21 May 2026. Lifetime open-market sales: $1.14M.
Recent Transactions
6Every recent SEC Form 4 transaction Brian C. White has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Brian C. White go back to 2025: 7 primary Form 4 filings, an average of 3.5 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 Brian C. White 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.
- Sharon Briansky - $1.99M of ALGM open-market activity in the last 12 months
- Michael Doogue - $1.42M of ALGM open-market activity in the last 12 months
- Susan D. Lynch - $760K of ALGM open-market activity in the last 12 months
- Richard Madormo - $264K of ALGM open-market activity in the last 12 months
- Roald Graham Webster - $234K of ALGM open-market activity in the last 12 months
- Troy Coleman - $206K of ALGM 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 Brian C. White?
Brian C. White is a corporate insider, tracked as Director of ALLEGRO MICROSYSTEMS, INC. (ALGM). InsiderAlpha holds 7 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 Brian C. White submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Brian C. White been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($1.14M) across all tracked filings.
Where can I see all of Brian C. White'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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