Seems like they do indeed, but since late in Feb already according what can be found on russian news sites & twatter
https://twitter.com/garaevruslan02/status/1365939324961902594
via goog's translate:
"Let's remind. Ukraine has already moved 'Tochki-U' to the border with Crimea on February 26. Then two missile systems, a military truck and a police car were noticed near Novoalekseevka, 30 kilometers from the border with the peninsula."
(https://www.rusdialog.ru/war/208253_1618050112)