>insiders must already be aware
The lockup period does not expire till mid-october.
I read their 10-Q and found this gem about "user re-authentication":
"Users
MAUs at quarter-end were 300 million, representing growth of 30% year-over-year. This represents an acceleration in user growth, in part due to one-time changes to SEO algorithms and user re-authentication that impacted Q218. International growth drove the majority of global MAU expansion."