Company: RGNX
Filing Date: 2025-04-08
Form Type: DEF 14A
Source: 0000950170-25-052069
Chunk: 0

Company: REGENXBIO Inc.
Filing Date: 2025-04-08
Form: DEF 14A
Chunk 0
---
<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )</div>

Filed by the Registrant☒Filed by a party other than the Registrant☐

Check the appropriate box:

☐Preliminary Proxy Statement

☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☒Definitive Proxy Statement

☐Definitive Additional Materials

☐Soliciting Material Pursuant to §240.14a-12

<div align='center'>REGENXBIO Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee (Check the appropriate box):

☒No fee required

☐Fee paid previously with preliminary materials

☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rule 14a-6(i)(1) and 0-11

REGENXBIO Inc. 9804 Medical Center Drive Rockville, MD 20850 NOTICE OF ANNUAL MEETING OF STOCKHOLDERS Dear Stockholder: You are cordially invited to attend the Annual Meeting of Stockholders (the “Annual Meeting”) of REGENXBIO Inc., a Delaware corporation (the “Company”). The Annual Meeting will be held on May 30, 2025, at 9:00 a.m. local time at the Company’s offices located at 9804 Medical Center Drive, Rockville, Maryland 20850 for the following purposes: 1. To elect Allan Fox, Alexandra Glucksmann, Ph.D., Curran Simpson and Jennifer Zachary, to serve as Class I directors until the 2028 annual meeting of stockholders; 2. To ratify the selection of PricewaterhouseCoopers LLP by the Audit Committee of the Board of Directors as the independent registered public accounting firm of the Company for the year ending December 31, 2025; 3. To hold an advisory vote on the compensation paid to the Company’s named executive officers; 4. To hold an advisory vote to determine the frequency of future stockholder advisory votes on the