According to this ivermectin IS effective against ascariasis.
"Single‐dose of albendazole, mebendazole, and ivermectin all appeared effective against Ascaris lumbricoides infection, yielding high parasitological cure and large reductions in eggs excreted, with no differences detected between them."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7156140/
According to this ivermectin IS effective against ascariasis.
"Single‐dose of albendazole, mebendazole, and ivermectin all appeared effective against Ascaris lumbricoides infection, yielding high parasitological cure and large reductions in eggs excreted, with no differences detected between them."
Awesome! Thanks for finding that.