No deponency-like phenomena in evidence.
References
Boas, Franz. 1927. Annotated version of Grammar of the Kutenai Language, by Pater Philippo Canestrelli. International Journal of American Linguistics 4. 1-84.
Boas, Franz. 1927. Additional notes on the Kutenai language. International Journal of American Linguistics 4. 85-104.
Garvin, Paul. 1948. Kutenai III: morpheme distributions (prefix, theme, suffix). International Journal of American Linguistics 14:171-187.
Garvin, Paul. 1951. Kutenai IV: word classes. International Journal of American Linguistics 17. 84-97.