just got an email notification for 2 assignments that happened 6 days ago. Is this common?

Today is Wednesday. Email is timestamped 2am this morning. Transaction history says "06/22/2026 as of 06/18/2026" (Thursday, Friday was a holiday) but I don't have a snapshot from yesterday so I don't know if it was already there and the email is just late, or if they're still just fixing stuff up from a long weekend.