After-hours trading runs 4:00 PM – 8:00 PM ET.
📅 RGEN is expected to report earnings around Oct 27, 2026 before the open (estimated), with an estimated EPS of $0.46. RGEN earnings details →
Over the past 5 years, RGEN has had 2 qualifying gap events (gaps of 5% or more at the open) — 1 gap-up and 1 gap-down. Gap-ups averaged +6.6%, 0% have fully filled. Gap-downs averaged -9.3%, 100% have fully filled, median time to fill 3 trading days. Most recent: a +6.6% gap up on Jul 28, 2026, still unfilled. Average 20-trading-day return after a RGEN gap up: +30.06%. After a gap down: +25.92%.
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 100% | 100% | 100% | 100% |
| fills 50% | 0% | 0% | 0% | 0% |
| fills 75% | 0% | 0% | 0% | 0% |
| fills 100% | 0% | 0% | 0% | 0% |
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 100% | 100% | 100% | 100% |
| fills 50% | 0% | 100% | 100% | 100% |
| fills 75% | 0% | 100% | 100% | 100% |
| fills 100% | 0% | 100% | 100% | 100% |
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-07-28 | $131.06 | +6.59% | Open | — | — | 27% | 27% | 27% | 27% |
| 2026-07-21 | $145.49 | -9.31% | Filled | 2d | 3d | 45% | 100% | 100% | 100% |
Repligen (RGEN) has no recorded after-hours trades for the latest session. Its regular-session close was $180.48. After-hours quotes appear here when the stock trades between 4:00 PM and 8:00 PM ET.
After-hours trading in RGEN on the NASDAQ runs from 4:00 PM to 8:00 PM ET on trading days, immediately after the regular session closes. Not every broker offers the full window, and liquidity thins sharply after about 6:30 PM ET.
An after-hours move that carries into the next session becomes an opening gap, and RGEN's gap history is the best guide to what happens next: 0% of RGEN gap-ups have fully filled, and 100% of gap-downs have filled over the past 5 years. Fill rates this high mean a large after-hours move is more often faded than extended.
RGEN is expected to report earnings around Oct 27, 2026 before the open (estimated), with an estimated EPS of $0.46. Earnings are the most common cause of a large after-hours move, since most companies report after the close.