| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/03/2023 | ALLEGRO MICROSYSTEMS, INC. | | Payment of Exercise | Common Stock | 4.3k | $39.48 | $170.4k | | 06/03/2023 |
| 05/16/2023 | ALLEGRO MICROSYSTEMS, INC. | | Payment of Exercise | Common Stock | 12.9k | $38.14 | $492k | | 05/15/2023 |
| 05/15/2023 | ALLEGRO MICROSYSTEMS, INC. | | Grant | Common Stock | 15.8k | $0.00 | $0 | | 05/15/2023 |
| 05/12/2023 | ALLEGRO MICROSYSTEMS, INC. | | Grant | Common Stock | 141k | $0.00 | $0 | | 05/12/2023 |
| 12/05/2022 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 75k | $33.13 | $2.5M | By The Michael C. Doogue Revocable Trust of 2015 | 12/05/2022 |
| 12/01/2022 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 7.5k | $31.00 | $232.5k | By The Michael C. Doogue Revocable Trust of 2015 | 12/01/2022 |
| 11/18/2022 | ALLEGRO MICROSYSTEMS, INC. | | Payment of Exercise | Common Stock | 2.3k | $29.51 | $68.4k | | 11/18/2022 |
| 11/15/2022 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 24.3k | $29.25 | $710.1k | By The Michael C. Doogue Revocable Trust of 2015 | 11/15/2022 |
| 11/14/2022 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 9.1k | $28.76 | $260.5k | By The Michael C. Doogue Revocable Trust of 2015 | 11/11/2022 |
| 11/11/2022 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 26.7k | $28.81 | $768.3k | By The Michael C. Doogue Revocable Trust of 2015 | 11/11/2022 |
| 06/03/2022 | ALLEGRO MICROSYSTEMS, INC. | | Grant | Common Stock | 11k | $25.08 | $275k | | 06/03/2022 |
| 03/18/2022 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 7.5k | $29.04 | $217.8k | By The Michael C. Doogue Revocable Trust of 2015 | 03/18/2022 |
| 11/19/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 2.3k | $32.59 | $75.3k | | 11/19/2021 |
| 11/01/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 28k | $30.50 | $855.3k | By The Michael C. Doogue Revocable Trust of 2015 | 11/01/2021 |
| 10/01/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 16.7k | $31.54 | $527.9k | By The Michael C. Doogue Revocable Trust of 2015 | 10/01/2021 |
| 09/14/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 16.6k | $33.92 | $563.4k | By The Michael C. Doogue Revocable Trust of 2015 | 09/13/2021 |
| 09/13/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 83.4k | $33.59 | $2.8M | By The Michael C. Doogue Revocable Trust of 2015 | 09/13/2021 |
| 09/03/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 53.5k | $31.23 | $1.7M | By The Michael C. Doogue Revocable Trust of 2015 | 09/03/2021 |
| 09/01/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 16.7k | $30.23 | $506k | By The Michael C. Doogue Revocable Trust of 2015 | 09/01/2021 |
| 08/06/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 5.1k | $28.97 | $148.1k | By The Michael C. Doogue Revocable Trust of 2015 | 08/05/2021 |
| 08/05/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 32.7k | $28.92 | $946.1k | By The Michael C. Doogue Revocable Trust of 2015 | 08/05/2021 |
| 08/02/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 8.9k | $27.91 | $248.8k | By The Michael C. Doogue Revocable Trust of 2015 | 08/02/2021 |
| 07/01/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 8.9k | $27.34 | $243.7k | By The Michael C. Doogue Revocable Trust of 2015 | 07/01/2021 |
| 06/01/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 8.9k | $26.10 | $232.6k | By The Michael C. Doogue Revocable Trust of 2015 | 06/01/2021 |
| 05/26/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 8.9k | $26.05 | $232.2k | By The Michael C. Doogue Revocable Trust of 2015 | 05/26/2021 |
| 05/07/2021 | ALLEGRO MICROSYSTEMS, INC. | | Grant | Common Stock | 17.8k | $0.00 | $0 | | 05/07/2021 |
| 05/07/2021 | ALLEGRO MICROSYSTEMS, INC. | | Grant | Common Stock | 33.3k | $0.00 | $0 | | 05/07/2021 |
| 02/09/2021 | ALLEGRO MICROSYSTEMS, INC. | | Sale | Common Stock | 90.8k | $29.16 | $2.6M | By The Michael C. Doogue Revocable Trust of 2015 | 02/09/2021 |
| 11/02/2020 | ALLEGRO MICROSYSTEMS, INC. | | Grant | Common Stock | 23.6k | $0.00 | $0 | | 11/02/2020 |
| 10/28/2020 | ALLEGRO MICROSYSTEMS, INC. | | Conversion | Class A Common Stock | 23k | $0.00 | $0 | By The Michael C. Doogue Revocable Trust of 2015 | 11/02/2020 |
| 10/28/2020 | ALLEGRO MICROSYSTEMS, INC. | | Conversion | Class L Common Stock | 27k | $0.00 | $0 | By The Michael C. Doogue Revocable Trust of 2015 | 11/02/2020 |
| 10/28/2020 | ALLEGRO MICROSYSTEMS, INC. | | Conversion | Common Stock | 715.2k | $0.00 | $0 | By The Michael C. Doogue Revocable Trust of 2015 | 11/02/2020 |
| 10/28/2020 | ALLEGRO MICROSYSTEMS, INC. | | Disposition | Common Stock | 109.6k | $13.20 | $1.4M | By The Michael C. Doogue Revocable Trust of 2015 | 11/02/2020 |