Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-11-13 5:08 pm Sale | 2026-09-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | Capital Research Global Investors | 10,895,363 5.800% | -2,215,929 (-16.90%) | Filing History |
| 2026-11-05 11:30 am Sale | 2026-10-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | JPMORGAN CHASE & CO JPM | 8,022,860 4.300% | -4,706,613 (-36.97%) | Filing History |
| 2026-10-07 11:47 am Sale | 2026-09-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | FMR LLC | 9,913,112 5.300% | -15,667,909 (-61.25%) | Filing History |
| 2026-08-13 2:05 pm Purchase | 2026-06-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | Invesco Ltd. IVZ | 13,678,393 7.300% | 13,678,393 (New Position) | Filing History |
| 2026-08-06 10:14 am Sale | 2026-06-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | FMR LLC | 25,581,021 13.700% | -1,840,185 (-6.71%) | Filing History |
| 2026-07-27 4:25 pm Sale | 2026-06-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | BlackRock Inc. BLK | 12,814,040 6.900% | -29,366 (-0.23%) | Filing History |
| 2026-07-16 2:26 pm Purchase | 2026-06-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | JPMORGAN CHASE & CO JPM | 12,729,473 6.800% | 3,734,320 (+41.51%) | Filing History |
| 2026-05-06 11:00 am Purchase | 2026-03-31 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | FMR LLC | 27,421,206 14.800% | 3,785,460 (+16.02%) | Filing History |
| 2026-03-26 3:25 pm Sale | 2026-03-13 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | VANGUARD GROUP INC | 0 0.000% | -14,719,541 (Position Closed) | Filing History |
| 2026-02-12 10:25 am Sale | 2025-12-31 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | Capital Research Global Investors | 13,111,292 7.100% | -2,793,065 (-17.56%) | Filing History |
| 2026-02-05 1:16 pm Sale | 2025-12-31 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | FMR LLC | 23,635,746 12.800% | -3,285,370 (-12.20%) | Filing History |
| 2025-08-13 11:37 am Purchase | 2025-06-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | Capital Research Global Investors | 15,904,357 8.600% | 4,841,556 (+43.76%) | Filing History |
| 2025-05-13 11:32 am Purchase | 2025-03-31 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | Capital Research Global Investors | 11,062,801 6.000% | 11,062,801 (New Position) | Filing History |
| 2025-05-12 10:24 am Purchase | 2025-03-31 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | FMR LLC | 26,921,116 14.600% | 4,146,625 (+18.21%) | Filing History |
| 2025-04-15 5:01 pm Sale | 2025-03-31 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | JPMORGAN CHASE & CO JPM | 8,995,153 4.800% | -2,031,362 (-18.42%) | Filing History |
| 2025-02-12 09:16 am Sale | 2024-12-31 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | FMR LLC | 22,774,491 12.400% | -5,479,319 (-19.39%) | Filing History |
| 2024-11-12 1:21 pm Unchanged | 2024-09-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | VANGUARD GROUP INC | 14,719,541 7.590% | 0 (Unchanged) | Filing History |
| 2024-11-12 09:50 am Purchase | 2024-11-08 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | FMR LLC | 28,253,810 14.569% | 8,534,089 (+43.28%) | Filing History |
| 2024-11-08 5:31 pm Unchanged | 2024-09-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | BlackRock Inc. BLK | 12,843,406 5.800% | 0 (Unchanged) | Filing History |
| 2024-11-04 10:55 am Purchase | 2024-09-30 | 13G | ALLEGRO MICROSYSTEMS INC DEL C ALGM | VANGUARD GROUP INC | 14,719,541 7.590% | 14,719,541 (New Position) | Filing History |