Check this:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/ocp-4-16-release-notes#ocp-4-16-attaching-a-non-bootable-iso_release-notes

 
alertmanager --version
alertmanager, version 0.26.0 (branch: rhaos-4.16-rhel-9, revision: c89e3723f29cc7a802d9d8317400fe5c4c3949f6)
build user: root@bb75c1176dbb
build date: 20240515-07:12:43
go version: go1.21.9 (Red Hat 1.21.9-1.el9_4) X:strictfipsruntime
platform: linux/amd64
tags: netgo,strictfipsruntime
All components are listed apart from alertmanager.

It should include all components like below:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/release_notes/ocp-4-15-release-notes#ocp-4-15-monitoring-updates-to-monitoring-stack-components-and-dependencies