Iridium (IRDM) Q3 Earnings Meet Estimates, 2021 Outlook Raised Posted byZacks Equity Research October 20, 2021 Leave a comment on Iridium (IRDM) Q3 Earnings Meet Estimates, 2021 Outlook Raised Significant top-line growth, robust liquidity position, and growing subscriber base on the back of a solid demand environment boost Iridium’s (IRDM) third-quarter 2021 results.