Spruce Biosciences Skyrockets on FDA Breakthrough – Will SPRB’s Rally Last or Fade?
Stock Performance & Recent Price Action Spruce Biosciences’ stock has been on a wild ride in early October 2025. Heading into this period, SPRB was a little-known micro-cap biotech trading in the high single digits (post-reverse-split). At the close on Oct 3, 2025, shares stood at $8.82 (market cap ~$4.8M) stocktitan.net after a period of relatively low activity. That calm shattered on Oct 6, when news of an FDA breakthrough designation sent the stock skyrocketing. SPRB opened the day with a huge gap up and at one point surged by 250–300% intraday, hitting roughly $31–$32 per share benzinga.com stocktwits.com. Benzinga