Company: RGNX
Filing Date: 2025-04-08
Form Type: DEF 14A
Source: 0000950170-25-052069
Chunk: 59

Company: REGENXBIO Inc.
Filing Date: 2025-04-08
Form: DEF 14A
Chunk 59
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 4999 of the Code. If these payments are determined to be parachute payments, as calculated by our independent registered public accounting firm, the parachute payments will be reduced if, and only to the extent that, a reduction will allow the relevant NEO to receive a greater net after-tax amount than the NEO would receive absent a reduction. The following table summarizes the hypothetical payments that could have been incurred by the Company with respect to each of our NEOs, assuming that a qualifying termination or resignation under the applicable employment agreement had occurred on December 31, 2024 and immediately prior to, or during the 18-month period following, a change in control:

| Name                 |     | Cash Severance(1) 
               ($) |     |     Target Annual 
 Cash Incentive(2) 
               ($) |     |    COBRA 
 Premiums 
      ($) |     |      Value of 
   Accelerated 
 Stock Options 
   and RSUs(3) 
           ($) |     |  Total(4) 
       ($) |
| Curran Simpson       |     |           610,000 |     |           366,000 |     |   28,070 |     |     1,195,669 |     | 2,199,739 |
| Mitchell Chan        |     |           490,000 |     |           196,000 |     |   36,945 |     |       455,057 |     | 1,178,003 |
| Stephen Pakola, M.D. |     |           518,082 |     |           207,233 |     |        — |     |     1,279,918 |     | 2,005,233 |
| Olivier Danos, Ph.D. |     |           522,348 |     |           208,939 |     |   36,945 |     |     1,198,351 |     | 1,966,584 |
| Patrick J. Christmas |     |           500,868 |     |           200,347 |     |   36,945 |     |     1,154,986 |     | 1,893,146 |

(1) Amounts represent continued payment of 2024 base salary for 12 months for all NEOs. (2) Amounts represent the target annual cash incentive for 2024 for all NEOs, payable in equal monthly installments for 12 months. (