Biotech Firm REGENXBIO Positions for Strategic Financing with New Stock Registration

Rhea-AI Filing Summary

The SEC has declared REGENXBIO's Form S-3 registration statement effective as of June 25, 2025 at 4:00 P.M. The registration statement was filed under file number 333-288053.

Form S-3 is a simplified security registration form used by companies that have already met certain reporting requirements. This effectiveness notice indicates that REGENXBIO can now proceed with their planned securities offering as outlined in the registration statement.

This is a significant development for REGENXBIO (NASDAQ: RGNX) as it provides them with the ability to:

• Access the public markets for capital raising
• Issue various types of securities as described in their registration statement
• Execute their financing strategy through shelf offerings

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	June 25, 2025 4:00 P.M.

Form:

S-3

CIK:	0001590877
Company Name:	REGENXBIO Inc.
File Number:	333-288053

FAQ

What type of SEC filing did RGNX submit that became effective on June 25, 2025?

RGNX submitted an S-3 registration statement that became effective on June 25, 2025 at 4:00 P.M. The S-3 was filed under file number 333-288053.

What is RGNX's CIK number on their S-3 filing?

REGENXBIO Inc.'s CIK (Central Index Key) number is 0001590877 as shown on their S-3 registration statement.

When did RGNX's S-3 registration statement become effective?

RGNX's S-3 registration statement became effective on June 25, 2025 at 4:00 P.M., as indicated in the SEC Notice of Effectiveness.

What is the file number for RGNX's S-3 registration statement?

The file number for REGENXBIO Inc.'s S-3 registration statement is 333-288053.