Sports teams generally tend to closely guard their financial data, but Braves owner Liberty Media’s plan to issue stock in the team has opened the window to some new details about the Braves’ economic performance.

Liberty this month filed a lengthy document with the U.S. Securities and Exchange Commission about the company’s plan, announced late last year, to issue a “tracking stock” that would allow investors and baseball fans to buy and sell shares in the Braves.

The document shows the Braves’ revenue fell by $15 million in the first nine months of last year, but expenses declined even more — $25 million.

It shows the Braves had an operating loss for the season (through Sept. 30) — but would have had a profit if not for depreciation and amortization.

Liberty announced in November a plan to issue a "tracking stock" tied to the economic performance of the Braves, as well as to issue two other tracking stocks tied to other parts of the company. Liberty has said it expects the stocks to begin trading on the Nasdaq exchange by early second quarter of this year if all goes according to plan.

For more on the stock plan and the Braves' financial performance, see today's full story on MyAJC.com: Stock plan opens window to Braves finances.