Tā yīn nèimù jiāoyì bèi pànchǔ sānnián yǒuqītúxíng.
He was sentenced to three years in prison for insider trading.
Tips
memory
内幕 = 'inside curtain' (behind-the-scenes info) + 交易 (trade). Trading on what you saw behind the curtain - the image matches the English term almost one-to-one.
