diff --git a/modules/rhcl-relnotes-1.4.3-z-stream.adoc b/modules/rhcl-relnotes-1.4.3-z-stream.adoc
new file mode 100644
index 00000000000..d6fc5d5f030
--- /dev/null
+++ b/modules/rhcl-relnotes-1.4.3-z-stream.adoc
@@ -0,0 +1,17 @@
+// Module used in the following assemblies
+//
+// *release_notes/rhcl-release-notes.adoc
+
+:_mod-docs-content-type: REFERENCE
+[id="rhcl-relnotes-1.4.3-z-stream_{context}"]
+= {product-title} 1.4.3 bug fix and security update
+
+Issued: 8 September 2026
+
+[role="_abstract"]
+{product-title} release 1.4.3 is now available. A description is available in the link:https://access.redhat.com/errata/RHBA-2026:XXXXX[RHBA-2026:XXXXX] advisory. {product-title} uses the `stable` update channel to track and receive updates for the {product-title} Operator. You can manage how your updates are applied through your Operator Lifecycle Manager (OLM) subscription resource. For more information, see xref:../update/updating-rhcl.adoc#proc-update-rhcl-with-web-console_updating-rhcl[Update Red Hat Connectivity Link].
+
+[id="rhcl-relnotes-1.4.3-z-stream-bug-fixes_{context}"]
+== Bug fixes
+
+* Previously,
\ No newline at end of file
diff --git a/release_notes/rhcl-release-notes.adoc b/release_notes/rhcl-release-notes.adoc
index 9944e46f3f1..a7fdc25f263 100644
--- a/release_notes/rhcl-release-notes.adoc
+++ b/release_notes/rhcl-release-notes.adoc
@@ -23,6 +23,8 @@ include::modules/ref-relnotes-known-issues.adoc[leveloffset=+2]
 
 include::modules/rhcl-relnotes-z-stream.adoc[leveloffset=+1]
 
+include::modules/rhcl-relnotes-1.4.3-z-stream.adoc[leveloffset=+2]
+
 include::modules/rhcl-relnotes-1.4.2-z-stream.adoc[leveloffset=+2]
 
 include::modules/rhcl-relnotes-1.4.1-z-stream.adoc[leveloffset=+2]