ALLEGRO MICROSYSTEMS, INC. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Briansky Sharon | SVP, GC and Secretary | Sale | 27,873 | $30.00 | $836,190 | 121,263 | Dec 10, 2025 |
| Coleman Troy | SVP, General Manager, Products | Award / Grant | 73,530 | — | — | 73,530 | Nov 11, 2025 |
| Webster Roald Graham | VP, Chief Accounting Officer | Sale | 8,266 | $32.81 | $271,207 | 17,300 | Aug 22, 2025 |
| Lury Richard R. | — | Sale | 7,000 | $31.81 | $222,670 | 18,857 | Aug 12, 2025 |
| PUMA MARY G | — | Award / Grant | 5,932 | — | — | 17,483 | Aug 7, 2025 |
| MARTIN JOSEPH R | — | Award / Grant | 5,932 | — | — | 35,179 | Aug 7, 2025 |
| Suzuki Yoshihiro | — | Award / Grant | 5,932 | — | — | 213,560 | Aug 7, 2025 |
| Palepu Krishna G. | — | Award / Grant | 5,932 | — | — | 9,961 | Aug 7, 2025 |
| Raubacher Jennie | — | Award / Grant | 5,932 | — | — | 14,976 | Aug 7, 2025 |
| Lynch Susan D | — | Award / Grant | 5,932 | — | — | 29,516 | Aug 7, 2025 |
| Lury Richard R. | — | Award / Grant | 5,932 | — | — | 25,857 | Aug 7, 2025 |
| Hagen Erin | SVP, CHRO | Sale | 5,043 | $31.18 | $157,241 | 34,688 | Aug 4, 2025 |
| Lury Richard R. | — | Sale | 3,100 | $30.45 | $94,395 | 19,925 | Jun 11, 2025 |
| Lury Richard R. | — | Sale | 6,849 | $27.60 | $189,032 | 23,025 | Jun 4, 2025 |
| Doogue Michael | President and CEO | Award / Grant | 150,226 | — | — | 237,279 | May 16, 2025 |
| Webster Roald Graham | VP, Chief Accounting Officer | Award / Grant | 9,765 | — | — | 30,514 | May 16, 2025 |
| Briansky Sharon | SVP, GC and Secretary | Award / Grant | 35,053 | — | — | 167,848 | May 16, 2025 |
| D'Antilio Derek | EVP, CFO & Treasurer | Award / Grant | 65,098 | — | — | 274,490 | May 16, 2025 |
| Madormo Richard | SVP, Worldwide Sales | Award / Grant | 37,557 | — | — | 66,809 | May 15, 2025 |
| Hagen Erin | SVP, CHRO | Tax Withholding | 4,899 | $27.51 | $134,771 | 39,731 | May 15, 2025 |
| Doogue Michael | President and CEO | Award / Grant | 18,489 | — | — | 87,053 | May 13, 2025 |
| D'Antilio Derek | EVP, CFO & Treasurer | Award / Grant | 21,295 | — | — | 209,392 | May 13, 2025 |
| Webster Roald Graham | VP, Chief Accounting Officer | Award / Grant | 1,002 | — | — | 20,749 | May 13, 2025 |
| Hagen Erin | SVP, CHRO | Award / Grant | 1,222 | — | — | 26,477 | May 13, 2025 |
| Briansky Sharon | SVP, GC and Secretary | Award / Grant | 14,656 | — | — | 132,795 | May 13, 2025 |
| D'Antilio Derek | EVP, CFO & Treasurer | Award / Grant | 20,671 | — | — | 188,097 | Feb 27, 2025 |
| Hagen Erin | SVP, CHRO | Award / Grant | 4,594 | — | — | 25,255 | Feb 27, 2025 |
| Briansky Sharon | SVP, GC and Secretary | Award / Grant | 18,834 | — | — | 118,139 | Feb 27, 2025 |
| Palepu Krishna G. | — | Award / Grant | 4,029 | — | — | 4,029 | Jan 31, 2025 |
| Doogue Michael | SVP, CTO | Tax Withholding | 2,319 | $19.24 | $44,618 | 62,404 | Nov 18, 2024 |
| Glover Max R. | SVP of Worldwide Sales | Tax Withholding | 2,644 | $19.24 | $50,871 | 266,339 | Nov 18, 2024 |
| Nargolwala Vineet A | President and CEO | Purchase | 4,800 | $19.89 | $95,472 | 355,913 | Nov 5, 2024 |
| Narayan Suman | SVP, Products | Tax Withholding | 714 | $24.53 | $17,514 | 123,084 | Aug 30, 2024 |
| ALDRICH DAVID J | — | Award / Grant | 6,873 | $26.92 | $185,021 | 26,746 | Aug 8, 2024 |
| MARTIN JOSEPH R | — | Award / Grant | 6,873 | $26.92 | $185,021 | 29,247 | Aug 8, 2024 |
| Suzuki Yoshihiro | — | Award / Grant | 6,873 | $26.92 | $185,021 | 207,628 | Aug 8, 2024 |
| SCHORR PAUL IV | — | Award / Grant | 6,873 | $26.92 | $185,021 | 10,199 | Aug 8, 2024 |
| Lynch Susan D | — | Award / Grant | 6,873 | $26.92 | $185,021 | 23,584 | Aug 8, 2024 |
| Lury Richard R. | — | Award / Grant | 6,873 | $26.92 | $185,021 | 29,874 | Aug 8, 2024 |
| Raubacher Jennie | — | Award / Grant | 6,873 | $26.92 | $185,021 | 9,044 | Aug 8, 2024 |
| PUMA MARY G | — | Award / Grant | 6,873 | $26.92 | $185,021 | 11,551 | Aug 8, 2024 |
| Sanken Electric Co., Ltd. | — | Sale | 10,017,315 | $23.16 | $232,001,015 | 59,732,782 | Aug 7, 2024 |
| Nargolwala Vineet A | President and CEO | Tax Withholding | 7,681 | $24.17 | $185,650 | 351,113 | Aug 1, 2024 |
| Sanken Electric Co., Ltd. | — | Sale | 28,750,000 | $23.16 | $665,850,000 | 69,750,097 | Jul 29, 2024 |
| Nargolwala Vineet A | President and CEO | Tax Withholding | 36,066 | $29.12 | $1,050,242 | 358,794 | Jun 13, 2024 |
| Nargolwala Vineet A | President and CEO | Award / Grant | 82,788 | — | — | 394,860 | Jun 11, 2024 |
| Glover Max R. | SVP of Worldwide Sales | Award / Grant | 20,697 | — | — | 268,983 | Jun 11, 2024 |
| D'Antilio Derek | SVP, CFO & Treasurer | Award / Grant | 34,495 | — | — | 167,426 | Jun 11, 2024 |
| Briansky Sharon | SVP, GC and Secretary | Award / Grant | 17,248 | — | — | 99,305 | Jun 11, 2024 |
| Narayan Suman | SVP, Products | Award / Grant | 17,248 | — | — | 123,798 | Jun 11, 2024 |