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 |
2025-06-11 Sale |
2025-06-12 4:19 pm |
ALLEGRO MICROSYSTEMS INC. | ALGM | Lury Richard R. Director |
3,100 | $30.45 | $94,395 | 19,925 (Direct) |
View |
2025-06-04 Sale |
2025-06-06 4:17 pm |
ALLEGRO MICROSYSTEMS INC. | ALGM | Lury Richard R. Director |
6,849 | $27.6 | $189,036 | 23,025 (Direct) |
View |
2024-11-18 Purchase |
2024-11-19 4:16 pm |
ALLEGRO MICROSYSTEMS INC. | ALGM | Doogue Michael SVP, CTO |
15,000 | $19 | $285,000 | 308,490 (Indirect Direct) |
View |
2024-11-05 Purchase |
2024-11-06 4:16 pm |
ALLEGRO MICROSYSTEMS INC. | ALGM | Nargolwala Vineet A President and CEO |
5,000 | $19.89 | $99,446 | 356,113 (Direct) |
View |
2024-08-07 Sale |
2024-08-09 06:15 am |
ALLEGRO MICROSYSTEMS INC. | ALGM | Sanken Electric Co. Ltd. 10% Owner |
10,017,315 | $23.16 | $232,001,015 | 59,732,782 (Direct) |
View |
2024-07-29 Sale |
2024-07-31 06:05 am |
ALLEGRO MICROSYSTEMS INC. | ALGM | Sanken Electric Co. Ltd. 10% Owner |
28,750,000 | $23.16 | $665,850,000 | 69,750,097 (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 |
2025-05-16 Tax Withholding |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Doogue Michael President and CEO |
21,730 | $27.51 | 461,635 (Direct) |
View |
2025-05-15 Option Award |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Doogue Michael President and CEO |
150,226 | $0 | 461,635 (Direct) |
View |
2025-05-16 Tax Withholding |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Webster Roald Graham VP, Chief Accounting Officer |
4,948 | $27.51 | 25,566 (Direct) |
View |
2025-05-15 Option Award |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Webster Roald Graham VP, Chief Accounting Officer |
9,765 | $0 | 25,566 (Direct) |
View |
2025-05-15 Option Award |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Madormo Richard SVP, Worldwide Sales |
37,557 | $0 | 66,809 (Direct) |
View |
2025-05-16 Tax Withholding |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Hagen Erin SVP, CHRO |
4,899 | $27.51 | 39,731 (Direct) |
View |
2025-05-15 Option Award |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Hagen Erin SVP, CHRO |
18,153 | $0 | 39,731 (Direct) |
View |
2025-05-16 Tax Withholding |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Briansky Sharon SVP, GC and Secretary |
18,712 | $27.51 | 149,136 (Direct) |
View |
2025-05-15 Option Award |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Briansky Sharon SVP, GC and Secretary |
35,053 | $0 | 149,136 (Direct) |
View |
2025-05-16 Tax Withholding |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek EVP, CFO & Treasurer |
29,911 | $27.51 | 244,579 (Direct) |
View |
2025-05-15 Option Award |
2025-05-19 4:20 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek EVP, CFO & Treasurer |
65,098 | $0 | 244,579 (Direct) |
View |
2025-05-13 Option Award |
2025-05-14 4:30 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Doogue Michael President and CEO |
18,489 | $0 | 333,139 (Direct) |
View |
2025-05-13 Option Award |
2025-05-14 4:30 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | D'Antilio Derek EVP, CFO & Treasurer |
21,295 | $0 | 209,392 (Direct) |
View |
2025-05-13 Option Award |
2025-05-14 4:30 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Webster Roald Graham VP, Chief Accounting Officer |
1,002 | $0 | 20,749 (Direct) |
View |
2025-05-13 Option Award |
2025-05-14 4:30 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Hagen Erin SVP, CHRO |
1,222 | $0 | 26,477 (Direct) |
View |
2025-05-13 Option Award |
2025-05-14 4:30 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Briansky Sharon SVP, GC and Secretary |
14,656 | $0 | 132,795 (Direct) |
View |
Ownership |
2025-03-31 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Madormo Richard SVP, Worldwide Sales |
0 | $0 | 29,252 (Direct) |
View |
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 |
2025-02-27 Option Award |
2025-03-03 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Hagen Erin SVP, CHRO |
4,594 | $0 | 25,255 (Direct) |
View |
2025-02-27 Option Award |
2025-03-03 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Briansky Sharon SVP, GC and Secretary |
18,834 | $0 | 118,139 (Direct) |
View |
2025-01-31 Option Award |
2025-02-03 4:26 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Palepu Krishna G. Director |
4,029 | $0 | 4,579 (Direct) |
View |
Ownership |
2025-02-03 4:24 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Palepu Krishna G. Director |
0 | $0 | 550 (Indirect) |
View |
2024-11-18 Tax Withholding |
2024-11-19 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Doogue Michael SVP, CTO |
2,319 | $19.24 | 308,490 (Direct) |
View |
2024-11-18 Tax Withholding |
2024-11-19 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Glover Max R. SVP of Worldwide Sales |
2,644 | $19.24 | 266,339 (Direct) |
View |
2024-08-30 Tax Withholding |
2024-09-03 4:15 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Narayan Suman SVP, Products |
714 | $24.53 | 123,084 (Direct) |
View |
2024-08-08 Option Award |
2024-08-09 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | ALDRICH DAVID J Director |
6,873 | $26.92 | 26,746 (Direct) |
View |
2024-08-08 Option Award |
2024-08-09 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | MARTIN JOSEPH R Director |
6,873 | $26.92 | 29,247 (Direct) |
View |
2024-08-08 Option Award |
2024-08-09 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Suzuki Yoshihiro Director |
6,873 | $26.92 | 207,628 (Direct) |
View |
2024-08-08 Option Award |
2024-08-09 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | SCHORR PAUL IV Director |
6,873 | $26.92 | 10,199 (Direct) |
View |
2024-08-08 Option Award |
2024-08-09 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Lynch Susan D Director |
6,873 | $26.92 | 23,584 (Direct) |
View |
2024-08-08 Option Award |
2024-08-09 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Raubacher Jennie Director |
6,873 | $26.92 | 9,044 (Direct) |
View |
2024-08-08 Option Award |
2024-08-09 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Lury Richard R. Director |
6,873 | $26.92 | 29,874 (Direct) |
View |
2024-08-08 Option Award |
2024-08-09 4:16 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | PUMA MARY G Director |
6,873 | $26.92 | 11,551 (Direct) |
View |
2024-08-01 Tax Withholding |
2024-08-02 4:15 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Nargolwala Vineet A President and CEO |
7,681 | $24.17 | 351,113 (Direct) |
View |
2024-06-13 Tax Withholding |
2024-06-14 4:18 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Nargolwala Vineet A President and CEO |
36,066 | $29.12 | 358,794 (Direct) |
View |
2024-06-11 Option Award |
2024-06-13 4:18 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Nargolwala Vineet A President and CEO |
82,788 | $0 | 394,860 (Direct) |
View |
2024-06-11 Option Award |
2024-06-13 4:18 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Glover Max R. SVP of Worldwide Sales |
20,697 | $0 | 268,983 (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 |
2024-06-11 Option Award |
2024-06-13 4:18 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Doogue Michael SVP, CTO |
24,837 | $0 | 295,809 (Direct) |
View |
2024-06-11 Option Award |
2024-06-13 4:18 pm |
N/A N/A |
ALLEGRO MICROSYSTEMS INC. | ALGM | Briansky Sharon SVP, GC and Secretary |
17,248 | $0 | 99,305 (Direct) |
View |