<SEC-DOCUMENT>0001193125-26-055010-index.html : 20260217 <SEC-HEADER>0001193125-26-055010.hdr.sgml : 20260217 <ACCEPTANCE-DATETIME>20260217170053 ACCESSION NUMBER: 0001193125-26-055010 CONFORMED SUBMISSION TYPE: 10-12B/A PUBLIC DOCUMENT COUNT: 41 FILED AS OF DATE: 20260217 DATE AS OF CHANGE: 20260217 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Atrium Therapeutics, Inc. CENTRAL INDEX KEY: 0002093101 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 10-12B/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-43008 FILM NUMBER: 26643241 BUSINESS ADDRESS: STREET 1: 3020 CALLAN ROAD CITY: SAN DIEGO STATE: CA ZIP: 92121 BUSINESS PHONE: 858-401-7900 MAIL ADDRESS: STREET 1: 3020 CALLAN ROAD CITY: SAN DIEGO STATE: CA ZIP: 92121 FORMER COMPANY: FORMER CONFORMED NAME: Bryce Therapeutics, Inc. DATE OF NAME CHANGE: 20251022 </SEC-HEADER> <DOCUMENT> <TYPE>10-12B/A <SEQUENCE>1 <FILENAME>d42675d1012ba.htm <DESCRIPTION>10-12B/A <TEXT> Document 1 - file: d42675d1012ba.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-3.1 <SEQUENCE>2 <FILENAME>d42675dex31.htm <DESCRIPTION>EX-3.1 <TEXT> Document 2 - file: d42675dex31.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-3.2 <SEQUENCE>3 <FILENAME>d42675dex32.htm <DESCRIPTION>EX-3.2 <TEXT> Document 3 - file: d42675dex32.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.1 <SEQUENCE>4 <FILENAME>d42675dex41.htm <DESCRIPTION>EX-4.1 <TEXT> Document 4 - file: d42675dex41.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.6 <SEQUENCE>5 <FILENAME>d42675dex106.htm <DESCRIPTION>EX-10.6 <TEXT> Document 5 - file: d42675dex106.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.8 <SEQUENCE>6 <FILENAME>d42675dex108.htm <DESCRIPTION>EX-10.8 <TEXT> Document 6 - file: d42675dex108.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.9 <SEQUENCE>7 <FILENAME>d42675dex109.htm <DESCRIPTION>EX-10.9 <TEXT> Document 7 - file: d42675dex109.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.10 <SEQUENCE>8 <FILENAME>d42675dex1010.htm <DESCRIPTION>EX-10.10 <TEXT> Document 8 - file: d42675dex1010.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.11 <SEQUENCE>9 <FILENAME>d42675dex1011.htm <DESCRIPTION>EX-10.11 <TEXT> Document 9 - file: d42675dex1011.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.12 <SEQUENCE>10 <FILENAME>d42675dex1012.htm <DESCRIPTION>EX-10.12 <TEXT> Document 10 - file: d42675dex1012.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.13 <SEQUENCE>11 <FILENAME>d42675dex1013.htm <DESCRIPTION>EX-10.13 <TEXT> Document 11 - file: d42675dex1013.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.14 <SEQUENCE>12 <FILENAME>d42675dex1014.htm <DESCRIPTION>EX-10.14 <TEXT> Document 12 - file: d42675dex1014.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.15 <SEQUENCE>13 <FILENAME>d42675dex1015.htm <DESCRIPTION>EX-10.15 <TEXT> Document 13 - file: d42675dex1015.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.16 <SEQUENCE>14 <FILENAME>d42675dex1016.htm <DESCRIPTION>EX-10.16 <TEXT> Document 14 - file: d42675dex1016.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>15 <FILENAME>d42675dex991.htm <DESCRIPTION>EX-99.1 <TEXT> Document 15 - file: d42675dex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g42675dsp001a.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g42675dsp001a.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g42675dsp002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g42675dsp002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g42675dsp008.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g42675dsp008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g42675dsp42.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g42675dsp42.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g42675dsp43.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g42675dsp43.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g42675dsp44.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g42675dsp44.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g42675dsp52.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g42675dsp52.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g42675dsp53.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g42675dsp53.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g42675dsp70.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g42675dsp70.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>g42675dsp71.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: g42675dsp71.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>g42675dsp72.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: g42675dsp72.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>g42675dsp73.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: g42675dsp73.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>g42675dsp74.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: g42675dsp74.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>g42675dsp75.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: g42675dsp75.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>g42675dsp76.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: g42675dsp76.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>g42675g00k12.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: g42675g00k12.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>g42675g01a01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 32 - file: g42675g01a01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>g42675g03a18.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 33 - file: g42675g03a18.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>g42675g03a19.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 34 - file: g42675g03a19.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>g42675g03a20.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 35 - file: g42675g03a20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>g42675g03b18.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 36 - file: g42675g03b18.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>g42675g03b19.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 37 - file: g42675g03b19.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>g42675g03b21.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 38 - file: g42675g03b21.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>g42675g03b22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 39 - file: g42675g03b22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>g42675g17a01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 40 - file: g42675g17a01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>g42675g48g48.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 41 - file: g42675g48g48.jpg
</DOCUMENT> </SEC-DOCUMENT>