"Andy Byron has tendered his resignation, and the Board of Directors has accepted," the company said.

Well, something of the sort occurred at the Coldplay concert at Gillette Stadium Wednesday night and “awkward” doesn’t begin to describe the moment.

The identities of Mr. Byron and Ms. Cabot were confirmed by a spokeswoman for Astronomer on Friday night after the company issued a statement saying Mr. Byron had been placed on leave and that the co...