Portolan Capital Management, LLC 13D and 13G filings for Orion Group Holdings, Inc.:
- 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 |
| 2025-02-13 4:44 pm Sale | 2024-12-31 | 13G | Orion Group Holdings, Inc. ORN | Portolan Capital Management, LLC | 448,691 1.150% | -1,357,884 (-75.16%) | Filing |
| 2024-07-22 2:33 pm Purchase | 2024-07-10 | 13G | Orion Group Holdings, Inc. ORN | Portolan Capital Management, LLC | 1,806,575 5.500% | 1,806,575 (New Position) | Filing |