Company: RGNX
Filing Date: 2025-04-08
Form Type: DEF 14A
Source: 0000950170-25-052069
Chunk: 56

Company: REGENXBIO Inc.
Filing Date: 2025-04-08
Form: DEF 14A
Chunk 56
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 — |
|                      |     | 1/2/2020     |     |           50,000 |     |             — |     |           38.99 |     | 1/2/2030          |     |                                             — |     |                                                                — |
|                      |     | 1/4/2021     |     |           55,029 |     |         1,171 |     |           44.97 |     | 1/4/2031          |     |                                         3,100 |     |                                                           23,963 |
|                      |     | 1/3/2022     |     |           30,990 |     |        11,510 |     |           34.31 |     | 1/3/2032          |     |                                         4,450 |     |                                                           34,399 |
|                      |     | 1/3/2023     |     |           31,737 |     |        34,496 |     |           22.25 |     | 1/3/2033          |     |                                        34,630 |     |                                                          267,690 |
|                      |     | 1/2/2024     |     |                — |     |        76,313 |     |           18.34 |     | 1/2/2034          |     |                                        16,026 |     |                                                          123,881 |

<div align='center'>40</div>

(1) Each option grant vests over a four-year period, with 25% of the shares underlying the option vesting after 12 months from the date of grant and the balance vesting in equal monthly installments over the 36 months thereafter, provided that the optionee provides continuous service to the Company. (2) Except as otherwise noted, RSUs vest over a four-year period, with 25% of the RSUs vesting on each of the first, second, third and fourth anniversaries of the first day of the month in which the RSUs were granted, provided that the recipient provides continuous service to the Company. (3) Amounts represent the market value, based on the last reported closing price of the Company’s common stock as of December 31, 2024 ($7.73), as reported by Nasdaq, of shares underlying RSUs held as of December 31, 2024