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
- Erin Hagen (VP) and 1 other sold $147K in the last 90 days.
- Last insider buy: Michael Doogue (CTO), $285K, 23 months ago.
- Congress: Gilbert Cisneros bought $1K to $15K, 3 weeks ago.
Last 12 months: insiders bought $0 (0 buys) and sold $5.2M (13 sales). Last close $34.51 on Oct 21, 2026.
Recent ALGM insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 30, 2026 | Robert Willett (Insider) | Bought (not open market) | — |
| Sep 29, 2026 | Gilbert Cisneros (Representative) | Bought | $1K–15K |
| Aug 17, 2026 | Jennie Raubacher (Insider) | Sold | $45.3K |
| Aug 10, 2026 | Erin Hagen (VP) | Sold | $101K |
| Aug 5, 2026 | Jennie Raubacher (Insider) | Bought (not open market) | — |
| Aug 5, 2026 | Robert Willett (Insider) | Bought (not open market) | — |
| Aug 5, 2026 | Brian C White (Insider) | Bought (not open market) | — |
| Aug 5, 2026 | Krishna G. Palepu (Insider) | Bought (not open market) | — |
| Aug 5, 2026 | Yoshihiro Suzuki (Insider) | Bought (not open market) | — |
| Aug 5, 2026 | Joseph R Martin (Insider) | Bought (not open market) | — |
| Aug 5, 2026 | Mary G Puma (Insider) | Bought (not open market) | — |
| 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 |
Who's trading ALGM
- Robert Willett, Insider: other filings, last Sep 30, 2026
- Gilbert Cisneros, Representative: bought $8K (1 buy), last Sep 29, 2026
- Jennie Raubacher, Insider: sold $45.3K (1 sale), last Aug 17, 2026
- Erin Hagen, VP: sold $192K (2 sales), last Aug 10, 2026
- Joseph R Martin, Insider: other filings, last Aug 5, 2026
- Mary G Puma, Insider: other filings, last Aug 5, 2026
- Brian C White, Insider: other filings, last Aug 5, 2026
- Yoshihiro Suzuki, Insider: other filings, last Aug 5, 2026
- Krishna G. Palepu, Insider: other filings, last Aug 5, 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
- Sharon Briansky, VP: sold $2M (4 sales), last May 16, 2026
- Michael Doogue, CTO: sold $1.4M (1 sale), last May 16, 2026
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