| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2024-02-09 | FMR LLC | ALLEGRO MICROSYSTEMS, INC. | 10,450,296 | 5.4% | EDGAR |
| SC 13G/A | 2024-01-30 | OEP SKNA, L.P. | ALLEGRO MICROSYSTEMS, INC. | 12,649,247 | 6.6% | EDGAR |
| SC 13G/A | 2022-02-10 | Sanken Electric Co., Ltd. | ALLEGRO MICROSYSTEMS, INC. | 98,500,097 | 51.9% | EDGAR |
| SC 13G/A | 2022-02-10 | OEP SKNA, L.P. | ALLEGRO MICROSYSTEMS, INC. | 22,629,247 | 11.9% | EDGAR |
| SC 13G | 2021-02-08 | Sanken Electric Co., Ltd. | ALLEGRO MICROSYSTEMS, INC. | 103,700,097 | 54.7% | EDGAR |
| SC 13G | 2021-02-08 | OEP SKNA, L.P. | ALLEGRO MICROSYSTEMS, INC. | 44,442,898 | 23.5% | EDGAR |