It’s a US federal holiday. The filing won’t be posted to SEC’s EDGAR system[0] until Monday morning.

However this press release was posted on Twitter’s official Investor Relations feed[1]. So it’s probably fair to treat it as gospel.

[0] - https://www.sec.gov/edgar/browse/?CIK=1418091&owner=exclude

[1] - https://twitter.com/TwitterIR/status/1515001122603388928?s=2...