/usr/share/emacs/site-lisp/ is in elpa-expand-region 0.10.0-8.
This file is owned by root:root, with mode 0o755.
..
/usr/share/emacs/site-lisp/elpa-src/
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/cc-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/clojure-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/cperl-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/css-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/enh-ruby-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/er-basic-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/erlang-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/expand-region-autoloads.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/expand-region-core.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/expand-region-custom.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/expand-region-pkg.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/expand-region.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/feature-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/html-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/js-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/js2-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/jsp-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/latex-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/nxml-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/octave-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/python-el-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/python-el-fgallina-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/python-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/ruby-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/sml-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/text-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/the-org-mode-expansions.el
/usr/share/emacs/site-lisp/elpa-src/expand-region-0.10.0/web-mode-expansions.el