<SEC-DOCUMENT>0001193125-26-254638-index.html : 20260603 <SEC-HEADER>0001193125-26-254638.hdr.sgml : 20260603 <ACCEPTANCE-DATETIME>20260603081118 ACCESSION NUMBER: 0001193125-26-254638 CONFORMED SUBMISSION TYPE: SC TO-I PUBLIC DOCUMENT COUNT: 45 FILED AS OF DATE: 20260603 DATE AS OF CHANGE: 20260603 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: REGENXBIO Inc. CENTRAL INDEX KEY: 0001590877 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences EIN: 471851754 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC TO-I SEC ACT: 1934 Act SEC FILE NUMBER: 005-89108 FILM NUMBER: 261058977 BUSINESS ADDRESS: STREET 1: 9804 MEDICAL CENTER DRIVE CITY: ROCKVILLE STATE: MD ZIP: 20850 BUSINESS PHONE: 240-552-8181 MAIL ADDRESS: STREET 1: 9804 MEDICAL CENTER DRIVE CITY: ROCKVILLE STATE: MD ZIP: 20850 FORMER COMPANY: FORMER CONFORMED NAME: REGENXBIO, Inc. DATE OF NAME CHANGE: 20150116 FORMER COMPANY: FORMER CONFORMED NAME: ReGenX Biosciences, LLC DATE OF NAME CHANGE: 20131101 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: REGENXBIO Inc. CENTRAL INDEX KEY: 0001590877 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences EIN: 471851754 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC TO-I BUSINESS ADDRESS: STREET 1: 9804 MEDICAL CENTER DRIVE CITY: ROCKVILLE STATE: MD ZIP: 20850 BUSINESS PHONE: 240-552-8181 MAIL ADDRESS: STREET 1: 9804 MEDICAL CENTER DRIVE CITY: ROCKVILLE STATE: MD ZIP: 20850 FORMER COMPANY: FORMER CONFORMED NAME: REGENXBIO, Inc. DATE OF NAME CHANGE: 20150116 FORMER COMPANY: FORMER CONFORMED NAME: ReGenX Biosciences, LLC DATE OF NAME CHANGE: 20131101 </SEC-HEADER> <DOCUMENT> <TYPE>SC TO-I <SEQUENCE>1 <FILENAME>rgnx-20260603.htm <DESCRIPTION>SC TO-I <TEXT> Document 1 - file: rgnx-20260603.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1A <SEQUENCE>2 <FILENAME>rgnx-ex99_a1a.htm <DESCRIPTION>EX-99.A1A <TEXT> Document 2 - file: rgnx-ex99_a1a.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1B <SEQUENCE>3 <FILENAME>rgnx-ex99_a1b.htm <DESCRIPTION>EX-99.A1B <TEXT> Document 3 - file: rgnx-ex99_a1b.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1C <SEQUENCE>4 <FILENAME>rgnx-ex99_a1c.htm <DESCRIPTION>EX-99.A1C <TEXT> Document 4 - file: rgnx-ex99_a1c.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1D <SEQUENCE>5 <FILENAME>rgnx-ex99_a1d.htm <DESCRIPTION>EX-99.A1D <TEXT> Document 5 - file: rgnx-ex99_a1d.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1E <SEQUENCE>6 <FILENAME>rgnx-ex99_a1e.htm <DESCRIPTION>EX-99.A1E <TEXT> Document 6 - file: rgnx-ex99_a1e.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1F <SEQUENCE>7 <FILENAME>rgnx-ex99_a1f.htm <DESCRIPTION>EX-99.A1F <TEXT> Document 7 - file: rgnx-ex99_a1f.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1G <SEQUENCE>8 <FILENAME>rgnx-ex99_a1g.htm <DESCRIPTION>EX-99.A1G <TEXT> Document 8 - file: rgnx-ex99_a1g.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1H <SEQUENCE>9 <FILENAME>rgnx-ex99_a1h.htm <DESCRIPTION>EX-99.A1H <TEXT> Document 9 - file: rgnx-ex99_a1h.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.A1I <SEQUENCE>10 <FILENAME>rgnx-ex99_a1i.htm <DESCRIPTION>EX-99.A1I <TEXT> Document 10 - file: rgnx-ex99_a1i.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-FILING FEES <SEQUENCE>11 <FILENAME>rgnx_exfilingfees.htm <DESCRIPTION>EX-FILING FEES <TEXT> Document 11 - file: rgnx_exfilingfees.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>img55793414_0.gif <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: img55793414_0.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>img61334540_0.gif <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: img61334540_0.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>img61334540_1.gif <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: img61334540_1.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>img61334540_2.gif <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: img61334540_2.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>img61334540_3.gif <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: img61334540_3.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>img61334540_4.gif <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: img61334540_4.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>img61334540_5.gif <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: img61334540_5.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>img61334540_6.gif <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: img61334540_6.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>rgnx-ex99_a1hs1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: rgnx-ex99_a1hs1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>rgnx-ex99_a1hs2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: rgnx-ex99_a1hs2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>rgnx-ex99_a1hs3.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: rgnx-ex99_a1hs3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>rgnx-ex99_a1is1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: rgnx-ex99_a1is1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>rgnx-ex99_a1is2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: rgnx-ex99_a1is2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>rgnx-ex99_a1is3.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: rgnx-ex99_a1is3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>rgnx-ex99_a1is4.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: rgnx-ex99_a1is4.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>rgnx-ex99_a1is5.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: rgnx-ex99_a1is5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>rgnx-ex99_a1is6.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: rgnx-ex99_a1is6.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>rgnx-ex99_a1is7.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: rgnx-ex99_a1is7.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>rgnx-ex99_a1is8.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: rgnx-ex99_a1is8.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>rgnx-ex99_a1is9.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: rgnx-ex99_a1is9.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>rgnx-ex99_a1is10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 32 - file: rgnx-ex99_a1is10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>rgnx-ex99_a1is11.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 33 - file: rgnx-ex99_a1is11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>rgnx-ex99_a1is12.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 34 - file: rgnx-ex99_a1is12.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>rgnx-ex99_a1is13.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 35 - file: rgnx-ex99_a1is13.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>rgnx-ex99_a1is14.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 36 - file: rgnx-ex99_a1is14.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>38 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 38 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>39 <FILENAME>R2.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 39 - file: R2.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>40 <FILENAME>R3.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 40 - file: R3.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>41 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 41 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>42 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 42 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>44 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 44 - file: FilingSummary.html
Document 44 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>46 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 46 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>47 <FILENAME>0001193125-26-254638-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 47 - file: 0001193125-26-254638-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>48 <FILENAME>rgnx_exfilingfees_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 48 - file: rgnx_exfilingfees_htm.html
Document 48 - RAW XML: rgnx_exfilingfees_htm.xml
</DOCUMENT> </SEC-DOCUMENT>