Dustin Moskovitz, Facebook co-founder and former roommate of CEO Mark Zuckerberg.
NEW YORK (AP) -- Facebook co-founder Dustin Moskovitz has been selling Facebook stock each trading day since Aug. 17.
Moskovitz was Mark Zuckerberg's Harvard roommate when they founded Facebook in 2004. Moskovitz, 28, left Facebook in 2008 and started Asana, whose software helps manage projects.
As of his most recent disclosure, he has shed 7.5 million shares for proceeds of $143 million, at prices ranging from $17.56 to $20.08. He still owns 126 million shares.
Moskovitz has been disclosing the sales every three days. He did not sell any stock in Facebook's IPO.
Facebook, headquartered in Menlo Park, Calif., has been trading at about half of its $38 initial public offering price.
The stock was down about 1% to $18.82 a share in afternoon trading Monday.