Key Takeaways Royal Gold filed a proxy with the SEC for its planned acquisition of Sandstorm Gold.Royal Gold will hold a special meeting on Oct 9 for shareholder approval of the deal.The all-stock deal values Sandstorm at $3.5B, with its investors set to own 23% of Royal Gold.Royal Gold, Inc. (RGLD) announced that it submitted a definitive proxy statement to the U.S. Securities and Exchange Commission for its previously mentioned acquisition of Sandstorm Gold Ltd. (SAND) .RGLD will hold a special meeting on ...