2.02 USD
PREVIOUS CLOSE
SPRO Stock Premarket
Spero Therapeutics, Inc. Common Stock
SPRONASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
📅 SPRO is expected to report earnings around Aug 12, 2026 (estimated), with an estimated EPS of $-0.17. SPRO earnings details →
SPRO Premarket Chart
SPRO Premarket News
Gap Analytics — 5-year history, 5% minimum gap
No qualifying gap events found for SPRO.
Frequently Asked Questions
What is SPRO's premarket price?
No premarket activity has been recorded yet for SPRO today. The previous regular-session close was $2.02.
When does SPRO premarket trading start?
Premarket trading for SPRO on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
When does SPRO report earnings?
SPRO is expected to report earnings around Aug 12, 2026 (estimated), with an estimated EPS of $-0.17.