Company: RGNX
Filing Date: 2025-08-14
Form Type: SCHEDULE 13G/A
Source: 0001104659-25-078638
Chunk: 1

Company: REGENXBIO Inc.
Filing Date: 2025-08-14
Form: SCHEDULE 13G/A
Chunk 1
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arrants.

| SCHEDULE 13G |

| CUSIP No. | 75901B107 |

| 1                                                                  |                                                 Redmile Biopharma Investments III, L.P. |
| 2                                                                  |                                                                                   -a)(b |
| 3                                                                  |                                                                            Sec Use Only |
| 4                                                                  |                                                                                DELAWARE |
| Number of Shares Beneficially Owned by Each Reporting Person With: |                                                                       5          0.00   
                                                                       6  3,733,796.00   
                                                                       7          0.00   
                                                                         8  3,733,796.00 |
| 9                                                                  |                                                                            3,733,796.00 |
| 10                                                                 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) |
| 11                                                                 |                                                                                   7.4 % |
| 12                                                                 |                                                                                      PN |

Comment for Type of Reporting Person:RBI III's beneficial ownership of Common Stock is comprised of 3,447,036 shares of Common Stock directly held by RBI III. Subject to the Beneficial Ownership Blocker, RBI III may also be deemed to beneficially own 869,603 shares of Common Stock issuable upon exercise of the Warrants directly held by RBI III. Pursuant to the terms of the Warrants, the Issuer may not effect any exercise of any Warrant, and a holder of a Warrant does not have the right to exercise any portion of the Warrant held by such holder, if the Beneficial Ownership Blocker applies. The shares of Common Stock reported as beneficially owned by RBI III in this Schedule 13G represent the shares of Common Stock held directly by RBI III and the 286,760 shares of Common Stock that could be issued to RBI III upon exercise of certain of the Warrants directly held by RBI III under the Beneficial Ownership Blocker. Percentage based on: (i) 50,388,693 shares of Common Stock outstanding as of June 9, 2025, as reported by the Issuer in the Prospectus; plus (ii) 286,760 shares of Common Stock issuable upon exercise of the Warrants directly held by RBI III, which due to the Beneficial Ownership Limitation is the maximum number of shares that could be issued upon exercise of the Warrants.

| SCHEDULE 13G |

| Item 1. |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| (