Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2023-09-15 Purchase |
2023-09-18 4:30 pm |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
1,488 | $33.63 | $50,041 | 142,899 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-02-27 Option Award |
2025-03-03 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek EVP, CFO & Treasurer |
20,671 | $0 | 188,097 (Direct) |
View |
2024-06-11 Option Award |
2024-06-13 4:18 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
34,495 | $0 | 167,426 (Direct) |
View |
2024-05-15 Option Award |
2024-05-17 5:56 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
13,251 | $0 | 132,931 (Direct) |
View |
2024-05-16 Tax Withholding |
2024-05-17 5:56 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
12,494 | $29.75 | 132,931 (Direct) |
View |
2024-02-13 Tax Withholding |
2024-02-15 4:38 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
10,725 | $30.34 | 132,174 (Direct) |
View |
2023-05-15 Option Award |
2023-05-17 5:11 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
21,092 | $0 | 141,411 (Direct) |
View |
2023-05-16 Tax Withholding |
2023-05-17 5:11 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
7,084 | $38.14 | 141,411 (Direct) |
View |
2023-05-12 Option Award |
2023-05-16 4:24 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
25,554 | $0 | 127,403 (Direct) |
View |
2023-02-13 Tax Withholding |
2023-02-14 4:09 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
14,609 | $43.68 | 101,849 (Direct) |
View |
2023-02-02 Option Award |
2023-02-06 4:21 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
36,497 | $41.1 | 116,458 (Direct) |
View |
2022-05-16 Option Award |
2022-05-18 8:28 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
25,554 | $0 | 79,961 (Direct) |
View |
2022-02-03 Option Award |
2022-02-07 4:48 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek SVP, CFO & Treasurer |
54,407 | $0 | 54,407 (Direct) |
View |