One fund just cut its GitLab stake even as the company posts rising margins and accelerating growth—here’s what long-term investors should watch now.On November 14, Connecticut-based Stadium Capital Management disclosed a sale of 61,700 GitLab shares in the third quarter.What HappenedAccording to a Securities and Exchange Commission (SEC) filing dated November 14, Stadium Capital Management sold 61,700 shares of GitLab (GTLB +1.21%) during the third quarter. The transaction contributed to the position's val ...