Posner Brian S
Reporting Owner SEC Filing List
CIK: 0001372455
| Form | Filer | Subject Company | Filing Agent | Date | Actions | ||
|---|---|---|---|---|---|---|---|
| 4 | Statement of changes in beneficial owner... | Dyne Therapeutics, Inc. | Donnelley Financial Solutions /fa/ | 04/01/2026 | |||
| 4 | Statement of changes in beneficial owner... | Posner Brian S | 04/01/2026 | ||||
| 4 | Statement of changes in beneficial owner... | Dyne Therapeutics, Inc. | Donnelley Financial Solutions /fa/ | 03/13/2026 | |||
| 4 | Statement of changes in beneficial owner... | Posner Brian S | 03/13/2026 | ||||
| 4 | Statement of changes in beneficial owner... | Arch Capital Group Ltd. | 03/12/2026 | ||||
| 4 | Statement of changes in beneficial owner... | Posner Brian S | 03/12/2026 | ||||
| 4 | Statement of changes in beneficial owner... | Dyne Therapeutics, Inc. | Donnelley Financial Solutions /fa/ | 03/10/2026 | |||
| 4 | Statement of changes in beneficial owner... | Posner Brian S | 03/10/2026 | ||||
| 3 | Initial statement of beneficial ownershi... | Dyne Therapeutics, Inc. | Donnelley Financial Solutions /fa/ | 10/02/2025 | |||
| 4 | Statement of changes in beneficial owner... | Dyne Therapeutics, Inc. | Donnelley Financial Solutions /fa/ | 10/02/2025 | |||
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Posner Brian S 's Ownership Transactions
| Issuer | Filing Date | Transaction Date | Transaction Type | Shares | Price | Total Amt | Shares Owned |
|---|
