Vanguard recently started to restrict trading in most OTC stocks too: https://www.bogleheads.org/forum/viewtopic.php?t=375654 https://www.bogleheads.org/forum/

Vanguard recently started to restrict trading in most OTC stocks too: https://www.bogleheads.org/forum/viewtopic.php?t=375654 https://www.bogleheads.org/forum/viewtopic.php?t=375654