D. E. Shaw & Co., L.P. 13D and 13G filings for Keros Therapeutics, 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 | 
| 2025-10-27 4:05 pm Purchase  | 2025-10-20 | 13G | Keros Therapeutics, Inc. KROS  | D. E. Shaw & Co., L.P. | 1,545,948 5.100%  | 1,545,948![]() (New Position)  | Filing | 
