ALLEN HOLDING INC 13D and 13G filings for U.S. NeuroSurgical 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 |
| 2025-02-26 3:18 pm Purchase | 2025-02-20 | 13G | U.S. NeuroSurgical Holdings, Inc. USNU | ALLEN HOLDING INC | 1,578,489 7.600% | 1,578,489 (New Position) | Filing |