Company: RGNX
Filing Date: 2025-04-08
Form Type: DEF 14A
Source: 0000950170-25-052069
Chunk: 30

Company: REGENXBIO Inc.
Filing Date: 2025-04-08
Form: DEF 14A
Chunk 30
---
as, Ph.D. |     |         65,000 |     |   206,245 |     |    68,737 |     | 339,981 |
| George Migausky               |     |         65,000 |     |   206,245 |     |    68,737 |     | 339,981 |
| Kenneth T. Mills(2)           |     |         40,000 |     |         — |     |         — |     |  40,000 |
| David C. Stump, M.D.          |     |         65,000 |     |   206,245 |     |    68,737 |     | 339,981 |
| Daniel Tassé                  |     |         72,500 |     |   206,245 |     |    68,737 |     | 347,481 |
| Jennifer Zachary              |     |         55,000 |     |   206,245 |     |    68,737 |     | 329,981 |

(1) Amounts represent the aggregate grant date fair value of RSUs or options, as applicable, granted during the 2024 fiscal year calculated in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 718. See Note 11, “Stock-based Compensation,” to the financial statements included in our Annual Report for a discussion of the assumptions we made in determining the grant date fair value of our equity awards. (2) Amounts include compensation to Mr. Mills for his service as a non-employee director and Chairman of the Board beginning on July 1, 2024, and exclude compensation to Mr. Mills for his service as President and CEO from January 1, 2024 through July 1, 2024, which is reported in the Summary Compensation Table in the "Executive Compensation" section of this Proxy Statement. As of December 31, 2024, our non-employee directors held the following unvested RSUs and outstanding options to purchase shares of our common stock:

| Name                          |     | Aggregate Number 
 of Unvested RSUs |     |       Aggregate Number 
 of Options Outstanding |
| Jean Bennett, M.D., Ph.D.     |     |            4,790 |     |                 77,670 |
| Allan M. Fox                  |     |            4,790 |     |