ALGM ALLEGRO MICROSYSTEMS, INC.
Nasdaq · SEC CIK 866291 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $5.22M 13 sales by 9 insiders
- Filings on record
- 239 since 2021-07-06, latest 2026-08-18 16:15
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Briansky Sharon | SVP, GC, Sec | — | $1.99M |
| Doogue Michael | Pres, CEO, Dir | — | $1.42M |
| Lynch Susan D | Dir | — | $759.6K |
| Madormo Richard | SVP, Worldwide Sales | — | $263.6K |
| Webster Roald Graham | VP, CAO | — | $234.2K |
| Coleman Troy | SVP, General Manager, Products | — | $205.7K |
| Hagen Erin | SVP, CHRO | — | $192.4K |
| Kent Ian | SVP, Gbl Ops | — | $109.8K |
| Raubacher Jennie | Dir | — | $45.3K |
| D'Antilio Derek | EVP, CFO, Treas | — | — |
Transactions 276
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-18 16:15 | 2026-08-17 | ALGM | Raubacher Jennie | Dir | S - Sale | $45.32 | -1,000 | 14.0K | -7% | -$45.3K | |
| 2026-08-12 16:16 | 2026-08-10 | ALGM | Hagen Erin | SVP, CHRO | S - Sale | $44.39 | -2,285 | 31.1K | -7% | -$101.4K | |
| 2026-08-07 07:03 | 2026-08-05 | ALGM | Suzuki Yoshihiro | Dir | A - Grant | $0.00 | +4,251 | 217.8K | +2% | $0 | |
| 2026-08-07 07:03 | 2026-08-05 | ALGM | MARTIN JOSEPH R | Dir | A - Grant | $0.00 | +4,251 | 39.4K | +12% | $0 | |
| 2026-08-07 07:02 | 2026-08-05 | ALGM | PUMA MARY G | Dir | A - Grant | $0.00 | +4,251 | 21.7K | +24% | $0 | |
| 2026-08-07 07:02 | 2026-08-05 | ALGM | Palepu Krishna G. | Dir | A - Grant | $0.00 | +4,251 | 14.2K | +43% | $0 | |
| 2026-06-18 16:25 | 2026-06-17 | ALGM | WHITE BRIAN C | Dir | A - Grant | $0.00 | +594 | 594 | New | $0 | |
| 2026-06-04 16:16 | 2026-06-03 | ALGM | Madormo Richard | SVP, Worldwide Sales | S - Sale | $52.72 | -5,000 | 69.7K | -7% | -$263.6K | |
| 2026-05-26 16:16 | 2026-05-22 | ALGM | Coleman Troy | SVP, General Manager, Products | S - Sale | $45.72 | -4,500 | 77.5K | -5% | -$205.7K | |
| 2026-05-22 16:16 | 2026-05-21 | ALGM | Webster Roald Graham | VP, CAO | S - Sale | $44.88 | -5,217 | 13.1K | -28% | -$234.2K | |
| 2026-05-19 17:30 | 2026-05-16 | ALGM | Hagen Erin | SVP, CHRO | F - Tax | $43.10 | -5,815 | 33.3K | -15% | -$250.6K | |
| 2026-05-19 17:30 | 2026-05-16 | ALGM | Kent Ian | SVP, Gbl Ops | F - Tax | $43.10 | -2,345 | 28.0K | -8% | -$101.1K | |
| 2026-05-19 17:30 | 2026-05-18 | ALGM | Kent Ian | SVP, Gbl Ops | S - Sale | $41.56 | -2,642 | 25.4K | -9% | -$109.8K | |
| 2026-05-19 17:30 | 2026-05-16 | ALGM | D'Antilio Derek | EVP, CFO, Treas | F - Tax | $43.10 | -37.8K | 238.8K | -14% | -$1.63M | |
| 2026-05-19 17:30 | 2026-05-16 | ALGM | Madormo Richard | SVP, Worldwide Sales | F - Tax | $43.10 | -5,439 | 74.7K | -7% | -$234.4K | |
| 2026-05-19 17:30 | 2026-05-16 | ALGM | Webster Roald Graham | VP, CAO | F - Tax | $43.10 | -4,277 | 18.3K | -19% | -$184.3K | |
| 2026-05-19 17:30 | 2026-05-16 | ALGM | Doogue Michael | Pres, CEO, Dir | F - Tax | $43.10 | -60.5K | 279.1K | -18% | -$2.61M | |
| 2026-05-19 17:28 | 2026-05-16 | ALGM | Briansky Sharon | SVP, GC, Sec | F - Tax | $43.10 | -13.9K | 79.8K | -15% | -$600.9K | |
| 2026-05-19 17:27 | 2026-05-16 | ALGM | Coleman Troy | SVP, General Manager, Products | F - Tax | $43.10 | -9,670 | 82.0K | -11% | -$416.8K | |
| 2026-05-15 16:20 | 2026-05-13 | ALGM | Willett Robert | Dir | A - Grant | $0.00 | +1,094 | 1,094 | New | $0 | |
| 2026-05-15 16:20 | 2026-05-13 | ALGM | Kent Ian | SVP, Gbl Ops | A - Grant | $0.00 | +8,492 | 30.4K | +39% | $0 | |
| 2026-05-15 16:20 | 2026-05-13 | ALGM | Madormo Richard | SVP, Worldwide Sales | A - Grant | $0.00 | +19.8K | 80.1K | +33% | $0 | |
| M | 2026-05-15 16:20 | 2026-05-13 | ALGM | Briansky Sharon | SVP, GC, Sec | A - Grant | $0.00 | +18.5K | 93.7K | +25% | $0 |
| M | 2026-05-15 16:20 | 2026-05-13 | ALGM | D'Antilio Derek | EVP, CFO, Treas | A - Grant | $0.00 | +59.9K | 276.7K | +28% | $0 |
| 2026-05-15 16:20 | 2026-05-14 | ALGM | Lynch Susan D | Dir | S - Sale | $45.46 | -16.7K | 12.8K | -57% | -$759.6K | |
| 2026-05-15 16:20 | 2026-05-13 | ALGM | Coleman Troy | SVP, General Manager, Products | A - Grant | $0.00 | +18.1K | 91.6K | +25% | $0 | |
| M | 2026-05-15 16:20 | 2026-05-13 | ALGM | Doogue Michael | Pres, CEO, Dir | A - Grant | $0.00 | +160.8K | 339.6K | +90% | $0 |
| 2026-05-15 16:20 | 2026-05-13 | ALGM | Hagen Erin | SVP, CHRO | A - Grant | $0.00 | +9,058 | 39.2K | +30% | $0 | |
| M | 2026-05-15 16:20 | 2026-05-13 | ALGM | Webster Roald Graham | VP, CAO | A - Grant | $0.00 | +5,300 | 22.6K | +31% | $0 |
| 2026-05-13 16:16 | 2026-05-11 | ALGM | Briansky Sharon | SVP, GC, Sec | S - Sale | $47.54 | -8,948 | 75.2K | -11% | -$425.4K | |
| I | 2026-05-13 16:16 | 2026-05-11 | ALGM | Doogue Michael | Pres, CEO, Dir | S - Sale | $47.23 | -30.1K | 252.8K | -11% | -$1.42M |
| 2026-03-25 | 2026-03-24 | ALGM | Madormo Richard | SVP, Worldwide Sales | D - Sale to Iss | $32.58 | -6,498 | 60.3K | -10% | -$211.7K | |
| 2026-03-04 | 2026-02-02 | ALGM | Kent Ian | SVP, Gbl Ops | A - Grant | $0.00 | +9,183 | 21.9K | +72% | $0 | |
| 2026-03-03 | 2026-02-27 | ALGM | Hagen Erin | SVP, CHRO | F - Tax | $36.47 | -1,996 | 32.7K | -6% | -$72.8K | |
| 2026-03-03 | 2026-03-02 | ALGM | Hagen Erin | SVP, CHRO | S - Sale | $35.00 | -2,598 | 30.1K | -8% | -$90.9K | |
| 2026-03-03 | 2026-02-27 | ALGM | Briansky Sharon | SVP, GC, Sec | F - Tax | $36.47 | -9,107 | 93.9K | -9% | -$332.1K | |
| 2026-03-03 | 2026-03-02 | ALGM | Briansky Sharon | SVP, GC, Sec | S - Sale | $35.00 | -9,727 | 84.2K | -10% | -$340.4K | |
| 2026-03-03 | 2026-02-27 | ALGM | D'Antilio Derek | EVP, CFO, Treas | F - Tax | $36.47 | -9,995 | 216.8K | -4% | -$364.5K | |
| 2026-02-18 | 2026-02-13 | ALGM | D'Antilio Derek | EVP, CFO, Treas | F - Tax | $42.38 | -17.8K | 226.8K | -7% | -$754.7K | |
| 2026-02-18 | 2026-02-17 | ALGM | Briansky Sharon | SVP, GC, Sec | S - Sale | $41.56 | -9,258 | 103.0K | -8% | -$384.8K | |
| 2026-02-18 | 2026-02-13 | ALGM | Briansky Sharon | SVP, GC, Sec | F - Tax | $42.38 | -8,991 | 112.3K | -7% | -$381.0K | |
| 2025-12-12 | 2025-12-10 | ALGM | Briansky Sharon | SVP, GC, Sec | S - Sale | $30.00 | -27.9K | 121.3K | -19% | -$836.2K | |
| 2025-11-12 | 2025-11-11 | ALGM | Coleman Troy | SVP, General Manager, Products | A - Grant | $0.00 | +73.5K | 73.5K | New | $0 | |
| 2025-08-25 | 2025-08-22 | ALGM | Webster Roald Graham | VP, CAO | S - Sale | $32.81 | -8,266 | 17.3K | -32% | -$271.2K | |
| 2025-08-13 | 2025-08-12 | ALGM | Lury Richard R. | Dir | S - Sale | $31.81 | -7,000 | 18.9K | -27% | -$222.7K | |
| 2025-08-08 | 2025-08-07 | ALGM | Palepu Krishna G. | Dir | A - Grant | $0.00 | +5,932 | 9,961 | +147% | $0 | |
| 2025-08-08 | 2025-08-07 | ALGM | Lynch Susan D | Dir | A - Grant | $0.00 | +5,932 | 29.5K | +25% | $0 | |
| 2025-08-08 | 2025-08-07 | ALGM | Lury Richard R. | Dir | A - Grant | $0.00 | +5,932 | 25.9K | +30% | $0 | |
| 2025-08-08 | 2025-08-07 | ALGM | MARTIN JOSEPH R | Dir | A - Grant | $0.00 | +5,932 | 35.2K | +20% | $0 | |
| 2025-08-08 | 2025-08-07 | ALGM | PUMA MARY G | Dir | A - Grant | $0.00 | +5,932 | 17.5K | +51% | $0 | |
| 2025-08-08 | 2025-08-07 | ALGM | Suzuki Yoshihiro | Dir | A - Grant | $0.00 | +5,932 | 213.6K | +3% | $0 | |
| 2025-08-08 | 2025-08-07 | ALGM | Raubacher Jennie | Dir | A - Grant | $0.00 | +5,932 | 15.0K | +66% | $0 | |
| 2025-08-05 | 2025-08-04 | ALGM | Hagen Erin | SVP, CHRO | S - Sale | $31.18 | -5,043 | 34.7K | -13% | -$157.2K | |
| 2025-06-12 | 2025-06-11 | ALGM | Lury Richard R. | Dir | S - Sale | $30.45 | -3,100 | 19.9K | -13% | -$94.4K | |
| 2025-06-06 | 2025-06-04 | ALGM | Lury Richard R. | Dir | S - Sale | $27.60 | -6,849 | 23.0K | -23% | -$189.0K | |
| 2025-05-19 | 2025-05-16 | ALGM | Doogue Michael | Pres, CEO, Dir | F - Tax | $27.51 | -21.7K | 215.5K | -9% | -$597.8K | |
| 2025-05-19 | 2025-05-15 | ALGM | Doogue Michael | Pres, CEO, Dir | A - Grant | $0.00 | +150.2K | 237.3K | +173% | $0 | |
| 2025-05-19 | 2025-05-15 | ALGM | Hagen Erin | SVP, CHRO | A - Grant | $0.00 | +18.2K | 44.6K | +69% | $0 | |
| 2025-05-19 | 2025-05-16 | ALGM | Hagen Erin | SVP, CHRO | F - Tax | $27.51 | -4,899 | 39.7K | -11% | -$134.8K | |
| 2025-05-19 | 2025-05-15 | ALGM | Madormo Richard | SVP, Worldwide Sales | A - Grant | $0.00 | +37.6K | 66.8K | +128% | $0 | |
| 2025-05-19 | 2025-05-16 | ALGM | D'Antilio Derek | EVP, CFO, Treas | F - Tax | $27.51 | -29.9K | 244.6K | -11% | -$822.9K | |
| 2025-05-19 | 2025-05-15 | ALGM | D'Antilio Derek | EVP, CFO, Treas | A - Grant | $0.00 | +65.1K | 274.5K | +31% | $0 | |
| 2025-05-19 | 2025-05-16 | ALGM | Briansky Sharon | SVP, GC, Sec | F - Tax | $27.51 | -18.7K | 149.1K | -11% | -$514.8K | |
| 2025-05-19 | 2025-05-15 | ALGM | Briansky Sharon | SVP, GC, Sec | A - Grant | $0.00 | +35.1K | 167.8K | +26% | $0 | |
| 2025-05-19 | 2025-05-16 | ALGM | Webster Roald Graham | VP, CAO | F - Tax | $27.51 | -4,948 | 25.6K | -16% | -$136.1K | |
| 2025-05-19 | 2025-05-15 | ALGM | Webster Roald Graham | VP, CAO | A - Grant | $0.00 | +9,765 | 30.5K | +47% | $0 | |
| 2025-05-14 | 2025-05-13 | ALGM | Hagen Erin | SVP, CHRO | A - Grant | $0.00 | +1,222 | 26.5K | +5% | $0 | |
| 2025-05-14 | 2025-05-13 | ALGM | Briansky Sharon | SVP, GC, Sec | A - Grant | $0.00 | +14.7K | 132.8K | +12% | $0 | |
| 2025-05-14 | 2025-05-13 | ALGM | Webster Roald Graham | VP, CAO | A - Grant | $0.00 | +1,002 | 20.7K | +5% | $0 | |
| 2025-05-14 | 2025-05-13 | ALGM | D'Antilio Derek | EVP, CFO, Treas | A - Grant | $0.00 | +21.3K | 209.4K | +11% | $0 | |
| 2025-05-14 | 2025-05-13 | ALGM | Doogue Michael | Pres, CEO, Dir | A - Grant | $0.00 | +18.5K | 87.1K | +27% | $0 | |
| 2025-03-03 | 2025-02-27 | ALGM | Hagen Erin | SVP, CHRO | A - Grant | $0.00 | +4,594 | 25.3K | +22% | $0 | |
| 2025-03-03 | 2025-02-27 | ALGM | Briansky Sharon | SVP, GC, Sec | A - Grant | $0.00 | +18.8K | 118.1K | +19% | $0 | |
| 2025-03-03 | 2025-02-27 | ALGM | D'Antilio Derek | EVP, CFO, Treas | A - Grant | $0.00 | +20.7K | 188.1K | +12% | $0 | |
| 2025-02-03 | 2025-01-31 | ALGM | Palepu Krishna G. | Dir | A - Grant | $0.00 | +4,029 | 4,029 | New | $0 | |
| 2024-11-19 | 2024-11-18 | ALGM | Glover Max R. | SVP of Worldwide Sales | F - Tax | $19.24 | -2,644 | 266.3K | -1.0% | -$50.9K | |
| I | 2024-11-19 | 2024-11-18 | ALGM | Doogue Michael | SVP, CTO | P - Purchase | $19.00 | +15.0K | 246.1K | +6% | +$285.0K |
| 2024-11-19 | 2024-11-18 | ALGM | Doogue Michael | SVP, CTO | F - Tax | $19.24 | -2,319 | 62.4K | -4% | -$44.6K | |
| M | 2024-11-06 | 2024-11-05 | ALGM | Nargolwala Vineet A | Pres, CEO, Dir | P - Purchase | $19.89 | +5,000 | 355.9K | +1% | +$99.4K |
| 2024-09-03 | 2024-08-30 | ALGM | Narayan Suman | SVP, Products | F - Tax | $24.53 | -714 | 123.1K | -0.6% | -$17.5K | |
| 2024-08-09 | 2024-08-08 | ALGM | Lury Richard R. | Dir | A - Grant | $26.92 | +6,873 | 29.9K | +30% | +$185.0K | |
| 2024-08-09 | 2024-08-08 | ALGM | ALDRICH DAVID J | Dir | A - Grant | $26.92 | +6,873 | 26.7K | +35% | +$185.0K | |
| 2024-08-09 | 2024-08-08 | ALGM | Suzuki Yoshihiro | Dir | A - Grant | $26.92 | +6,873 | 207.6K | +3% | +$185.0K | |
| 2024-08-09 | 2024-08-08 | ALGM | SCHORR PAUL IV | Dir | A - Grant | $26.92 | +6,873 | 10.2K | +207% | +$185.0K | |
| 2024-08-09 | 2024-08-08 | ALGM | Raubacher Jennie | Dir | A - Grant | $26.92 | +6,873 | 9,044 | +317% | +$185.0K | |
| 2024-08-09 | 2024-08-08 | ALGM | Lynch Susan D | Dir | A - Grant | $26.92 | +6,873 | 23.6K | +41% | +$185.0K | |
| 2024-08-09 | 2024-08-07 | ALGM | Sanken Electric Co., Ltd. | 10% | S - Sale | $23.16 | -10.02M | 59.73M | -14% | -$232.00M | |
| 2024-08-09 | 2024-08-08 | ALGM | PUMA MARY G | Dir | A - Grant | $26.92 | +6,873 | 11.6K | +147% | +$185.0K | |
| 2024-08-09 | 2024-08-08 | ALGM | MARTIN JOSEPH R | Dir | A - Grant | $26.92 | +6,873 | 29.2K | +31% | +$185.0K | |
| 2024-08-02 | 2024-08-01 | ALGM | Nargolwala Vineet A | Pres, CEO, Dir | F - Tax | $24.17 | -7,681 | 351.1K | -2% | -$185.6K | |
| 2024-07-31 | 2024-07-29 | ALGM | Sanken Electric Co., Ltd. | 10% | S - Sale | $23.16 | -28.75M | 69.75M | -29% | -$665.85M | |
| 2024-06-14 | 2024-06-13 | ALGM | Nargolwala Vineet A | Pres, CEO, Dir | F - Tax | $29.12 | -36.1K | 358.8K | -9% | -$1.05M | |
| 2024-06-13 | 2024-06-11 | ALGM | Glover Max R. | SVP of Worldwide Sales | A - Grant | $0.00 | +20.7K | 269.0K | +8% | $0 | |
| 2024-06-13 | 2024-06-11 | ALGM | Nargolwala Vineet A | Pres, CEO, Dir | A - Grant | $0.00 | +82.8K | 394.9K | +27% | $0 | |
| 2024-06-13 | 2024-06-11 | ALGM | Hagen Erin | SVP, CHRO | A - Grant | $0.00 | +9,659 | 20.7K | +88% | $0 | |
| 2024-06-13 | 2024-06-11 | ALGM | Doogue Michael | SVP, CTO | A - Grant | $0.00 | +24.8K | 64.7K | +62% | $0 | |
| 2024-06-13 | 2024-06-11 | ALGM | D'Antilio Derek | SVP, CFO, Treas | A - Grant | $0.00 | +34.5K | 167.4K | +26% | $0 | |
| 2024-06-13 | 2024-06-11 | ALGM | Briansky Sharon | SVP, GC, Sec | A - Grant | $0.00 | +17.2K | 99.3K | +21% | $0 | |
| 2024-06-13 | 2024-06-11 | ALGM | Webster Roald Graham | SVP, CAO | A - Grant | $0.00 | +5,520 | 19.7K | +39% | $0 | |
| 2024-06-13 | 2024-06-11 | ALGM | Narayan Suman | SVP, Products | A - Grant | $0.00 | +17.2K | 123.8K | +16% | $0 |
Purchase Sale Sale after option exercise All abbreviations