Did lockdown use a Cosmic Rust in Transformers: Age of Extinction ?

Transformers: Age of Extinction (film) - Transformers Wiki

Sentinel Prime (Transformers Film Series), Antagonists Wiki

Gregg Berger as Lockdown & Grimlock in Transformers Rise of the

Sentinel Prime (Movie), Teletraan I: The Transformers Wiki

Cosmic Rust (episode) - Transformers Wiki

Why Sentinel prime did not use his cosmic rust gun again ?

Why Sentinel prime did not use his cosmic rust gun again ?

Barricade and Lockdown by DriftsEdge on DeviantArt

How did Rodimus Survive Cosmic Rust? : r/transformers