ALGM insider transaction filings
ALLEGRO MICROSYSTEMS, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-18. Screen ALGM transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 9 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 2 filings by 2 insiders — 3,285 shares, $146,751 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 7.
- Largest priced transaction: sale of 2,285 shares @ $44.39 ($101,431) by Hagen Erin, filed 2026-08-12.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Hagen Erin — SVP, CHRO | 1 | — | 1 leg · 2,285 sh · $101,431 | — |
| Raubacher Jennie — Director | 2 | — | 1 leg · 1,000 sh · $45,320 | 1 |
| MARTIN JOSEPH R — Director | 1 | — | — | 1 |
| PUMA MARY G — Director | 1 | — | — | 1 |
| Palepu Krishna G. — Director | 1 | — | — | 1 |
| Suzuki Yoshihiro — Director | 1 | — | — | 1 |
| WHITE BRIAN C — Director | 1 | — | — | 1 |
| Willett Robert — Director | 1 | — | — | 1 |
Recent Form 4 filings — ALLEGRO MICROSYSTEMS, INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-18 | 4 | Raubacher Jennie — Director | Sale (S): 1,000 @ $45.32 | EDGAR |
| 2026-08-12 | 4 | Hagen Erin — SVP, CHRO | Sale (S): 2,285 @ $44.39 | EDGAR |
| 2026-08-07 | 4 | WHITE BRIAN C — Director | Grant/award (A): 4,251 (derivative) @ $0 | EDGAR |
| 2026-08-07 | 4 | Willett Robert — Director | Grant/award (A): 4,251 (derivative) @ $0 | EDGAR |
| 2026-08-07 | 4 | Raubacher Jennie — Director | Grant/award (A): 4,251 (derivative) @ $0 | EDGAR |
| 2026-08-07 | 4 | Palepu Krishna G. — Director | Grant/award (A): 4,251 @ $0 | EDGAR |
| 2026-08-07 | 4 | PUMA MARY G — Director | Grant/award (A): 4,251 @ $0 | EDGAR |
| 2026-08-07 | 4 | MARTIN JOSEPH R — Director | Grant/award (A): 4,251 @ $0 | EDGAR |
| 2026-08-07 | 4 | Suzuki Yoshihiro — Director | Grant/award (A): 4,251 @ $0 | EDGAR |
| 2026-06-18 | 4 | WHITE BRIAN C — Director | Grant/award (A): 594 @ $0 | EDGAR |
| 2026-06-04 | 4 | Madormo Richard — SVP, Worldwide Sales | Sale (S): 5,000 @ $52.72 | EDGAR |
| 2026-05-26 | 4 | Coleman Troy — SVP, General Manager, Products | Sale (S): 4,500 @ $45.72 | EDGAR |
| 2026-05-22 | 4 | Webster Roald Graham — VP, Chief Accounting Officer | Sale (S): 5,217 @ $44.88 | EDGAR |
| 2026-05-19 | 4 | Kent Ian — SVP, Global Operations | Tax withholding (F): 2,345 @ $43.10 · Sale (S): 2,642 @ $41.56 | EDGAR |
| 2026-05-19 | 4 | Coleman Troy — SVP, General Manager, Products | Tax withholding (F): 9,670 @ $43.10 | EDGAR |
| 2026-05-19 | 4 | Madormo Richard — SVP, Worldwide Sales | Tax withholding (F): 5,439 @ $43.10 | EDGAR |
| 2026-05-19 | 4 | Hagen Erin — SVP, CHRO | Tax withholding (F): 5,815 @ $43.10 | EDGAR |
| 2026-05-19 | 4 | Webster Roald Graham — VP, Chief Accounting Officer | Tax withholding (F): 4,277 @ $43.10 | EDGAR |
| 2026-05-19 | 4 | D'Antilio Derek — EVP, CFO & Treasurer | Tax withholding (F): 37,840 @ $43.10 | EDGAR |
| 2026-05-19 | 4 | Briansky Sharon — SVP, GC and Secretary | Tax withholding (F): 13,942 @ $43.10 | EDGAR |
| 2026-05-19 | 4 | Doogue Michael — President and CEO, Director | Tax withholding (F): 60,508 @ $43.10 | EDGAR |
| 2026-05-15 | 4 | Kent Ian — SVP, Global Operations | Grant/award (A): 8,492 @ $0 | EDGAR |
| 2026-05-15 | 4 | Coleman Troy — SVP, General Manager, Products | Grant/award (A): 18,116 @ $0 | EDGAR |
| 2026-05-15 | 4 | Madormo Richard — SVP, Worldwide Sales | Grant/award (A): 19,815 @ $0 | EDGAR |
| 2026-05-15 | 4 | Hagen Erin — SVP, CHRO | Grant/award (A): 9,058 @ $0 | EDGAR |
| 2026-05-15 | 4 | Webster Roald Graham — VP, Chief Accounting Officer | Grant/award (A): 4,756 @ $0 · Grant/award (A): 544 @ $0 | EDGAR |
| 2026-05-15 | 4 | D'Antilio Derek — EVP, CFO & Treasurer | Grant/award (A): 29,439 @ $0 · Grant/award (A): 30,438 @ $0 | EDGAR |
| 2026-05-15 | 4 | Briansky Sharon — SVP, GC and Secretary | Grant/award (A): 15,852 @ $0 · Grant/award (A): 2,611 @ $0 | EDGAR |
| 2026-05-15 | 4 | Doogue Michael — President and CEO, Director | Grant/award (A): 77,135 @ $0 · Grant/award (A): 83,700 @ $0 | EDGAR |
| 2026-05-15 | 4 | Lynch Susan D — Director | Sale (S): 16,711 @ $45.46 | EDGAR |
| 2026-05-15 | 4 | Willett Robert — Director | Grant/award (A): 1,094 @ $0 | EDGAR |
| 2026-05-13 | 4 | Briansky Sharon — SVP, GC and Secretary | Sale (S): 8,948 @ $47.54 | EDGAR |
| 2026-05-13 | 4 | Doogue Michael — President and CEO, Director | Sale (S): 30,089 @ $47.23 | EDGAR |
| 2026-03-25 | 4 | Madormo Richard — SVP, Worldwide Sales | Disposition to issuer (D): 6,498 @ $32.58 | EDGAR |
| 2026-03-04 | 4 | Kent Ian — SVP, Global Operations | Grant/award (A): 9,183 @ $0 | EDGAR |
| 2026-03-03 | 4 | Hagen Erin — SVP, CHRO | Tax withholding (F): 1,996 @ $36.47 · Sale (S): 2,598 @ $35 | EDGAR |
| 2026-03-03 | 4 | D'Antilio Derek — EVP, CFO & Treasurer | Tax withholding (F): 9,995 @ $36.47 | EDGAR |
| 2026-03-03 | 4 | Briansky Sharon — SVP, GC and Secretary | Tax withholding (F): 9,107 @ $36.47 · Sale (S): 9,727 @ $35 | EDGAR |
| 2026-02-18 | 4 | D'Antilio Derek — EVP, CFO & Treasurer | Tax withholding (F): 17,808 @ $42.38 | EDGAR |
| 2026-02-18 | 4 | Briansky Sharon — SVP, GC and Secretary | Tax withholding (F): 8,991 @ $42.38 · Sale (S): 9,258 @ $41.56 | EDGAR |
| 2025-12-12 | 4 | Briansky Sharon — SVP, GC and Secretary | Sale (S): 27,873 @ $30 | EDGAR |
| 2025-11-12 | 4 | Coleman Troy — SVP, General Manager, Products | Grant/award (A): 73,530 @ $0 | EDGAR |
| 2025-08-25 | 4 | Webster Roald Graham — VP, Chief Accounting Officer | Sale (S): 8,266 @ $32.81 | EDGAR |
| 2025-08-13 | 4 | Lury Richard R. — Director | Sale (S): 7,000 @ $31.81 | EDGAR |
| 2025-08-08 | 4 | Suzuki Yoshihiro — Director | Grant/award (A): 5,932 @ $0 | EDGAR |
| 2025-08-08 | 4 | Lury Richard R. — Director | Grant/award (A): 5,932 @ $0 | EDGAR |
| 2025-08-08 | 4 | Lynch Susan D — Director | Grant/award (A): 5,932 @ $0 | EDGAR |
| 2025-08-08 | 4 | Palepu Krishna G. — Director | Grant/award (A): 5,932 @ $0 | EDGAR |
| 2025-08-08 | 4 | MARTIN JOSEPH R — Director | Grant/award (A): 5,932 @ $0 | EDGAR |
| 2025-08-08 | 4 | PUMA MARY G — Director | Grant/award (A): 5,932 @ $0 | EDGAR |
Recent 8-K events — ALLEGRO MICROSYSTEMS, INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-07 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-30 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-18 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-13 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-29 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-21 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-16 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-30 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-08 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
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