Allegro Microsystems, Inc (ALGM) insider trading
Every open-market stock purchase and sale by Allegro Microsystems, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $5.1M over the last 12 months (11 sales). No open-market buys.
- Last insider buy: Michael Doogue (CTO), $285K, 22 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $5.1M (11 sales). Last close $46.39 on Jun 4, 2026.
Recent ALGM insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 17, 2026 | Brian C White (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Richard Madormo (VP) | Sold | $264K |
| May 22, 2026 | Troy Coleman (VP) | Sold | $206K |
| May 21, 2026 | Roald Graham Webster (C-suite exec) | Sold | $234K |
| May 18, 2026 | Ian Kent (VP) | Sold | $110K |
| May 16, 2026 | Michael Doogue (CEO) | Sold (not open market) | $2.6M |
| May 16, 2026 | Derek D'Antilio (CFO) | Sold (not open market) | $1.6M |
| May 16, 2026 | Sharon Briansky (VP) | Sold (not open market) | $601K |
| May 16, 2026 | Troy Coleman (VP) | Sold (not open market) | $417K |
| May 16, 2026 | Erin Hagen (VP) | Sold (not open market) | $251K |
| May 16, 2026 | Richard Madormo (VP) | Sold (not open market) | $234K |
| May 16, 2026 | Roald Graham Webster (C-suite exec) | Sold (not open market) | $184K |
| May 16, 2026 | Ian Kent (VP) | Sold (not open market) | $101K |
| May 14, 2026 | Susan D Lynch (Insider) | Sold | $760K |
| May 13, 2026 | Erin Hagen (VP) | Bought (not open market) | — |
| May 13, 2026 | Derek D'Antilio (CFO) | Bought (not open market) | — |
| May 13, 2026 | Derek D'Antilio (CFO) | Bought (not open market) | — |
| May 13, 2026 | Michael Doogue (CEO) | Bought (not open market) | — |
| May 13, 2026 | Richard Madormo (VP) | Bought (not open market) | — |
| May 13, 2026 | Troy Coleman (VP) | Bought (not open market) | — |
| May 13, 2026 | Michael Doogue (CEO) | Bought (not open market) | — |
| May 13, 2026 | Robert Willett (Insider) | Bought (not open market) | — |
| May 13, 2026 | Sharon Briansky (VP) | Bought (not open market) | — |
| May 13, 2026 | Roald Graham Webster (C-suite exec) | Bought (not open market) | — |
| May 13, 2026 | Roald Graham Webster (C-suite exec) | Bought (not open market) | — |
Who's trading ALGM
- Brian C White, Insider: other filings, last Jun 17, 2026
- Richard Madormo, VP: sold $264K (1 sale), last Jun 3, 2026
- Troy Coleman, VP: sold $206K (1 sale), last May 22, 2026
- Roald Graham Webster, C-suite exec: sold $234K (1 sale), last May 21, 2026
- Ian Kent, VP: sold $110K (1 sale), last May 18, 2026
- Michael Doogue, CTO: sold $1.4M (1 sale), last May 16, 2026
- Erin Hagen, VP: sold $90.9K (1 sale), last May 16, 2026
- Derek D'Antilio, CFO: other filings, last May 16, 2026
- Sharon Briansky, VP: sold $2M (4 sales), last May 16, 2026
- Susan D Lynch, Insider: sold $760K (1 sale), last May 14, 2026
- Robert Willett, Insider: other filings, last May 13, 2026
Get free alerts when an insider at Allegro Microsystems, Inc files a new trade →