BlackRock, Inc. 13D and 13G filings for Matrix Service Company:
- 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.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-04-07 12:39 pm Sale | 2026-03-31 | 13G | MATRIX SERVICE CO MTRX | BlackRock, Inc. BLK | 1,920,729 6.800% | -1,572,502![]() (-45.02%) | Filing |
| 2026-01-21 12:30 pm Purchase | 2025-12-31 | 13G | MATRIX SERVICE CO MTRX | BlackRock, Inc. BLK | 3,493,231 12.400% | 567,860![]() (+19.41%) | Filing |
| 2025-04-17 09:35 am Sale | 2025-03-31 | 13G | MATRIX SERVICE CO MTRX | BlackRock, Inc. BLK | 2,925,371 10.600% | -425,978![]() (-12.71%) | Filing |
| 2024-07-08 4:32 pm Purchase | 2024-06-30 | 13G | MATRIX SERVICE CO MTRX | BlackRock, Inc. BLK | 3,351,349 12.300% | 2,172,195![]() (+184.22%) | Filing |
| 2022-07-08 4:57 pm Sale | 2022-06-30 | 13G | MATRIX SERVICE CO MTRX | BlackRock, Inc. BLK | 1,179,154 4.400% | -911,329![]() (-43.59%) | Filing |
| 2022-01-10 12:54 pm Sale | 2021-12-31 | 13G | MATRIX SERVICE CO MTRX | BlackRock, Inc. BLK | 2,090,483 7.800% | -2,256,956![]() (-51.91%) | Filing |

