ALGM
Allegro Microsystems Inc
NASDAQ: ALGM · TECHNOLOGY · SEMICONDUCTORS
$44.07
+7.17% today
Updated 2026-04-29
Market cap
$8.17B
P/E ratio
—
P/S ratio
9.72x
EPS (TTM)
$-0.07
Dividend yield
—
52W range
$18 – $49
Volume
2.0M
Allegro Microsystems Inc (ALGM) Insider transactions
Net insider activity
Net selling (38,158,254 shares)
Buy transactions
58
Sell transactions
42
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-24 | MADORMO, RICHARD | SVP, Worldwide Sales | Sale | 6,498 | $32.58 | $211704.84 |
| 2026-03-02 | HAGEN, ERIN | SVP, CHRO | Sale | 2,598 | $35.00 | $90930.00 |
| 2026-03-02 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 9,727 | $35.00 | $340445.00 |
| 2026-02-27 | HAGEN, ERIN | SVP, CHRO | Sale | 1,996 | $36.47 | $72794.12 |
| 2026-02-27 | D'ANTILIO, DEREK | EVP, CFO & Treasurer | Sale | 9,995 | $36.47 | $364517.65 |
| 2026-02-27 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 9,107 | $36.47 | $332132.29 |
| 2026-02-17 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 9,258 | $41.56 | $384762.48 |
| 2026-02-13 | D'ANTILIO, DEREK | EVP, CFO & Treasurer | Sale | 17,808 | $42.38 | $754703.04 |
| 2026-02-13 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 8,991 | $42.38 | $381038.58 |
| 2026-02-02 | KENT, IAN | SVP, Global Operations | Buy | 9,183 | — | — |
| 2025-12-10 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 27,873 | $30.00 | $836190.00 |
| 2025-11-11 | COLEMAN, TROY | SVP, General Manager, Products | Buy | 73,530 | — | — |
| 2025-08-22 | WEBSTER, ROALD GRAHAM | VP, Chief Accounting Officer | Sale | 8,266 | $32.81 | $271192.58 |
| 2025-08-12 | LURY, RICHARD R. | Director | Sale | 7,000 | $31.81 | $222672.80 |
| 2025-08-07 | SUZUKI, YOSHIHIRO | Director | Buy | 5,932 | — | — |
| 2025-08-07 | RAUBACHER, JENNIE | Director | Buy | 5,932 | — | — |
| 2025-08-07 | PUMA, MARY G | Director | Buy | 5,932 | — | — |
| 2025-08-07 | PALEPU, KRISHNA G. | Director | Buy | 5,932 | — | — |
| 2025-08-07 | MARTIN, JOSEPH R | Director | Buy | 5,932 | — | — |
| 2025-08-07 | LYNCH, SUSAN D | Director | Buy | 5,932 | — | — |
| 2025-08-07 | LURY, RICHARD R. | Director | Buy | 5,932 | — | — |
| 2025-08-04 | HAGEN, ERIN | SVP, CHRO | Sale | 5,043 | $31.18 | $157240.74 |
| 2025-06-11 | LURY, RICHARD R. | Director | Sale | 3,100 | $30.45 | $94395.00 |
| 2025-06-04 | LURY, RICHARD R. | Director | Sale | 6,849 | $27.60 | $189035.82 |
| 2025-05-16 | WEBSTER, ROALD GRAHAM | VP, Chief Accounting Officer | Sale | 4,948 | $27.51 | $136119.48 |
| 2025-05-16 | HAGEN, ERIN | SVP, CHRO | Sale | 4,899 | $27.51 | $134771.49 |
| 2025-05-16 | DOOGUE, MICHAEL | Director, President and CEO | Sale | 21,730 | $27.51 | $597792.30 |
| 2025-05-16 | D'ANTILIO, DEREK | EVP, CFO & Treasurer | Sale | 29,911 | $27.51 | $822851.61 |
| 2025-05-16 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 18,712 | $27.51 | $514767.12 |
| 2025-05-15 | WEBSTER, ROALD GRAHAM | VP, Chief Accounting Officer | Buy | 9,765 | — | — |
| 2025-05-15 | MADORMO, RICHARD | SVP, Worldwide Sales | Buy | 37,557 | — | — |
| 2025-05-15 | HAGEN, ERIN | SVP, CHRO | Buy | 18,153 | — | — |
| 2025-05-15 | DOOGUE, MICHAEL | Director, President and CEO | Buy | 150,226 | — | — |
| 2025-05-15 | D'ANTILIO, DEREK | EVP, CFO & Treasurer | Buy | 65,098 | — | — |
| 2025-05-15 | BRIANSKY, SHARON | SVP, GC and Secretary | Buy | 35,053 | — | — |
| 2025-05-13 | WEBSTER, ROALD GRAHAM | VP, Chief Accounting Officer | Buy | 1,002 | — | — |
| 2025-05-13 | HAGEN, ERIN | SVP, CHRO | Buy | 1,222 | — | — |
| 2025-05-13 | DOOGUE, MICHAEL | Director, President and CEO | Buy | 18,489 | — | — |
| 2025-05-13 | D'ANTILIO, DEREK | EVP, CFO & Treasurer | Buy | 21,295 | — | — |
| 2025-05-13 | BRIANSKY, SHARON | SVP, GC and Secretary | Buy | 14,656 | — | — |
| 2025-02-27 | HAGEN, ERIN | SVP, CHRO | Buy | 4,594 | — | — |
| 2025-02-27 | D'ANTILIO, DEREK | EVP, CFO & Treasurer | Buy | 20,671 | — | — |
| 2025-02-27 | BRIANSKY, SHARON | SVP, GC and Secretary | Buy | 18,834 | — | — |
| 2025-01-31 | PALEPU, KRISHNA G. | Director | Buy | 4,029 | — | — |
| 2024-11-18 | GLOVER, MAX R. | SVP of Worldwide Sales | Sale | 2,644 | $19.24 | $50870.56 |
| 2024-11-18 | DOOGUE, MICHAEL | SVP, CTO | Buy | 15,000 | $19.00 | $285000.00 |
| 2024-11-18 | DOOGUE, MICHAEL | SVP, CTO | Sale | 2,319 | $19.24 | $44617.56 |
| 2024-11-05 | NARGOLWALA, VINEET A | Director, President and CEO | Buy | 4,800 | $19.89 | $95472.00 |
| 2024-11-05 | NARGOLWALA, VINEET A | Director, President and CEO | Buy | 200 | $19.87 | $3974.00 |
| 2024-08-30 | NARAYAN, SUMAN | SVP, Products | Sale | 714 | $24.53 | $17514.42 |
| 2024-08-08 | SUZUKI, YOSHIHIRO | Director | Buy | 6,873 | $26.92 | $185021.16 |
| 2024-08-08 | SCHORR, PAUL IV | Director | Buy | 6,873 | $26.92 | $185021.16 |
| 2024-08-08 | RAUBACHER, JENNIE | Director | Buy | 6,873 | $26.92 | $185021.16 |
| 2024-08-08 | PUMA, MARY G | Director | Buy | 6,873 | $26.92 | $185021.16 |
| 2024-08-08 | MARTIN, JOSEPH R | Director | Buy | 6,873 | $26.92 | $185021.16 |
| 2024-08-08 | LYNCH, SUSAN D | Director | Buy | 6,873 | $26.92 | $185021.16 |
| 2024-08-08 | LURY, RICHARD R. | Director | Buy | 6,873 | $26.92 | $185021.16 |
| 2024-08-08 | ALDRICH, DAVID J | Director | Buy | 6,873 | $26.92 | $185021.16 |
| 2024-08-07 | SANKEN, ELECTRIC CO., LTD. | 10% Owner | Sale | 10,017,315 | $23.16 | $232.00M |
| 2024-08-01 | NARGOLWALA, VINEET A | Director, President and CEO | Sale | 7,681 | $24.17 | $185649.77 |
| 2024-07-29 | SANKEN, ELECTRIC CO., LTD. | 10% Owner | Sale | 28,750,000 | $23.16 | $665.85M |
| 2024-06-13 | NARGOLWALA, VINEET A | Director, President and CEO | Sale | 36,066 | $29.12 | $1.05M |
| 2024-06-11 | WEBSTER, ROALD GRAHAM | SVP, CAO | Buy | 5,520 | — | — |
| 2024-06-11 | NARGOLWALA, VINEET A | Director, President and CEO | Buy | 82,788 | — | — |
| 2024-06-11 | NARAYAN, SUMAN | SVP, Products | Buy | 17,248 | — | — |
| 2024-06-11 | HAGEN, ERIN | SVP, CHRO | Buy | 9,659 | — | — |
| 2024-06-11 | GLOVER, MAX R. | SVP of Worldwide Sales | Buy | 20,697 | — | — |
| 2024-06-11 | DOOGUE, MICHAEL | SVP, CTO | Buy | 24,837 | — | — |
| 2024-06-11 | D'ANTILIO, DEREK | SVP, CFO & Treasurer | Buy | 34,495 | — | — |
| 2024-06-11 | BRIANSKY, SHARON | SVP, GC and Secretary | Buy | 17,248 | — | — |
| 2024-06-03 | NARAYAN, SUMAN | SVP, Products | Sale | 1,570 | $29.27 | $45953.90 |
| 2024-06-03 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 1,929 | $29.27 | $56461.83 |
| 2024-05-30 | LURY, RICHARD R. | Director | Sale | 8,500 | $30.00 | $255000.00 |
| 2024-05-22 | DOOGUE, MICHAEL | SVP, CTO | Buy | 29,384 | — | — |
| 2024-05-16 | WEBSTER, ROALD GRAHAM | SVP, CAO | Sale | 3,113 | $29.75 | $92611.75 |
| 2024-05-16 | NARGOLWALA, VINEET A | Director, President and CEO | Sale | 24,160 | $29.75 | $718760.00 |
| 2024-05-16 | NARAYAN, SUMAN | SVP, Products | Sale | 10,816 | $29.75 | $321776.00 |
| 2024-05-16 | GLOVER, MAX R. | SVP of Worldwide Sales | Sale | 26,540 | $29.75 | $789565.00 |
| 2024-05-16 | DOOGUE, MICHAEL | SVP, CTO | Sale | 19,110 | $29.75 | $568522.50 |
| 2024-05-16 | D'ANTILIO, DEREK | SVP, CFO & Treasurer | Sale | 12,494 | $29.75 | $371696.50 |
| 2024-05-16 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 7,773 | $29.75 | $231246.75 |
| 2024-05-15 | WEBSTER, ROALD GRAHAM | SVP, CAO | Buy | 5,017 | — | — |
| 2024-05-15 | WEBSTER, ROALD GRAHAM | SVP, CAO | Buy | 787 | — | — |
| 2024-05-15 | NARGOLWALA, VINEET A | Director, President and CEO | Buy | 34,071 | — | — |
| 2024-05-15 | NARAYAN, SUMAN | SVP, Products | Buy | 11,502 | — | — |
| 2024-05-15 | GLOVER, MAX R. | SVP of Worldwide Sales | Buy | 30,201 | — | — |
| 2024-05-15 | DOOGUE, MICHAEL | SVP, CTO | Buy | 24,626 | — | — |
| 2024-05-15 | D'ANTILIO, DEREK | SVP, CFO & Treasurer | Buy | 13,251 | — | — |
| 2024-05-15 | BRIANSKY, SHARON | SVP, GC and Secretary | Buy | 8,034 | — | — |
| 2024-05-13 | NARAYAN, SUMAN | SVP, Products | Buy | 36,671 | — | — |
| 2024-05-13 | HAGEN, ERIN | SVP, CHRO | Buy | 11,002 | — | — |
| 2024-04-03 | RAUBACHER, JENNIE | Director | Buy | 2,171 | — | — |
| 2024-03-08 | GLOVER, MAX R. | SVP of Worldwide Sales | Sale | 15,000 | $31.77 | $476485.50 |
| 2024-02-14 | SCHORR, PAUL IV | Director | Buy | 3,326 | — | — |
| 2024-02-13 | D'ANTILIO, DEREK | SVP, CFO & Treasurer | Sale | 10,725 | $30.34 | $325396.50 |
| 2024-02-13 | BRIANSKY, SHARON | SVP, GC and Secretary | Sale | 5,469 | $30.34 | $165929.46 |
| 2023-11-21 | DOOGUE, MICHAEL | SVP, CTO | Buy | 70,287 | — | — |
| 2023-11-17 | VALENTE, JOANNE | SVP, CHRO | Sale | 15,284 | $28.04 | $428563.36 |
| 2023-11-17 | NARGOLWALA, VINEET A | Director, President and CEO | Buy | 1,000 | $27.84 | $27840.00 |
| 2023-11-17 | GLOVER, MAX R. | SVP of Worldwide Sales | Sale | 78,410 | $28.04 | $2.20M |