// company-profile
Allegro Microsystems, Inc.
ALGM// activity-summary
Mixed insider activity over the last 30 days: 1 purchase and 1 sale (2 transactions total).
// 90-day insight
Over the last 90 days, Allegro Microsystems, Inc. insiders bought $0 (14 transactions) and sold $9.4M (15 transactions).
- Most active insider: Doogue Michael with 4 transactions totaling $4.0M.
- Largest single sale: $2.6M by Doogue Michael on May 16, 2026.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Allegro Microsystems, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | WHITE BRIAN C | ALGM | Award | 594 | $0.00 | $0K |
| Jun 3, 2026 | Madormo Richard | ALGM | Sale | 5,000 | $52.72 | $264K |
| May 22, 2026 | Coleman Troy | ALGM | Sale | 4,500 | $45.72 | $206K |
| May 21, 2026 | Webster Roald Graham | ALGM | Sale | 5,217 | $44.88 | $234K |
| May 18, 2026 | Kent Ian | ALGM | Sale | 2,642 | $41.56 | $110K |
45 more transactions hidden
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