ALGM SEC Form 4 filings
Allegro Microsystems, Inc. Latest Insider Trading Activity
Our insider trading activity tracker for Allegro Microsystems, Inc. shows 11 total open-market insider transactions for ALGM over the past 1,350 days. The most recent displayed transaction was on June 3, 2026, when Madormo Richard (Allegro Microsystems, Inc. SVP, Worldwide Sales) reported a sale of 5,000 shares at $52.72 per share. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For ALGM Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2026-06-04 | 2026-06-03 | Allegro Microsystems, Inc. | Madormo Richard | SVP, Worldwide Sales | Sell | 1 | 5,000 | $52.72 | $263,600.00 | 6.69% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2026-05-26 | 2026-05-22 | Allegro Microsystems, Inc. | Coleman Troy | SVP, General Manager, Products | Sell | 1 | 4,500 | $45.72 | $205,740.00 | 5.49% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2026-05-22 | 2026-05-21 | Allegro Microsystems, Inc. | Webster Roald Graham | VP, Chief Accounting Officer | Sell | 1 | 5,217 | $44.89 | $234,191.13 | 28.47% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2026-05-19 | 2026-05-18 | Allegro Microsystems, Inc. | Kent Ian | SVP, Global Operations | Sell | 1 | 2,642 | $41.56 | $109,801.52 | 9.42% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2026-05-15 | 2026-05-14 | Allegro Microsystems, Inc. | Lynch Susan D | Director | Sell | 1 | 16,711 | $45.46 | $759,682.06 | 56.62% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2026-05-13 | 2026-05-11 | Allegro Microsystems, Inc. | Briansky Sharon | SVP, GC and Secretary | Sell | 1 | 8,948 | $47.54 | $425,387.92 | 10.63% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2024-11-19 | 2024-11-18 | Allegro Microsystems, Inc. | Doogue Michael | SVP, CTO | Buy | 1 | 15,000 | $19.00 | $285,000.00 | 6.10% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2024-11-06 | 2024-11-05 | Allegro Microsystems, Inc. | Nargolwala Vineet A | President and CEO | Buy | 2 | 5,000 | $19.89 | $99,446.00 | 0.70% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2023-09-18 | 2023-09-15 | Allegro Microsystems, Inc. | D'Antilio Derek | SVP, CFO & Treasurer | Buy | 1 | 1,488 | $33.63 | $50,041.44 | 1.04% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALGM | 2023-02-06 | 2023-02-03 | Allegro Microsystems, Inc. | Lynch Susan D | Director | Buy | 1 | 240 | $41.53 | $9,967.20 | 1.92% | View Filing |
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Alerts are based on public SEC filings and are provided for informational purposes only; they do not constitute financial advice.