KROS ▲ +0.8% - Keros Therapeutics, Inc. $KROS - Keros Therapeutics Announces $5 Million Share Repurchase Authorization Keros Therapeutics announced a $5 million share repurchase authorization, which typically signals management confidence in the company's valuation and can reduce share count over time, contributing to the modest 0.8% gain in the stock today. 08-SEP-2026 04:01 PM ET