THEY did release an expense report…quietly "on the Thursday before Memorial Day weekend".
"period from Oct. 19, 2020, when Durham was appointed special counsel by former Attorney General William Barr, through March 31.
The total cost of Durham's endeavor during this period was about $1.5 million, with Durham directly spending $934,313. The majority of that money went to personnel, while other funds went toward travel, equipment acquisition, and contracts, which were "primarily for IT services," the Justice Department said. DOJ components supporting the special counsel's team who were asked to track their expenditures related to the inquiry reported spending $520,856. "
https://www.washingtonexaminer.com/news/justice-department-releases-financial-activity-report-john-durham-special-counsel-investigation
"Former Rep. Trey Gowdy said on his podcast last week that he recently met with some former Trump administration officials and the topic of the Russia investigation came up. "The reality is no one knows" about what Durham's team is doing, the South Carolina Republican said. "I mean, I — there are people that were really, really high up in government. Like, really high up in government in the last administration that I talked to in the last week, and they don't have a clue."
https://www.washingtonexaminer.com/news/justice-department-releases-financial-activity-report-john-durham-special-counsel-investigation