Dark

RGEN
Repligen Corp
stock NASDAQ

At Close

Jul 17, 2026 3:59:57 PM EDT

147.16USD-0.936%(-1.39)912,389

139.05Bid 152.88Ask 13.83Spread

Pre-market

Jul 17, 2026 9:23:30 AM EDT

148.81USD+0.175%(+0.26)101

After-hours

Jul 17, 2026 4:00:30 PM EDT

147.25USD+0.061%(+0.09)232,205

OverviewOptionsHistoricalExchange VolumeShortsMore

RGEN Volume Jul 17, 2026

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	47.85	436,581	43.71
Nasdaq GSM	35.07	319,924	33.90
IEX	6.86	62,600	8.38
NYSE Arca	3.13	28,520	3.54
Cboe BZX	2.50	22,833	3.49
Cboe EDGX	0.98	8,943	1.73
NYSE	0.92	8,435	1.30
Cboe BYX	0.70	6,377	1.13
NYSE National	0.54	4,906	0.48
Nasdaq BX	0.39	3,567	0.75
MEMX	0.38	3,511	0.71
MIAX Pearl	0.22	2,046	0.18
Cboe EDGA	0.19	1,753	0.40
NYSE American	0.15	1,327	0.12
LTSE	0.07	651	0.02
CHX	0.02	208	0.09
Nasdaq PHLX	0.02	185	0.09
24X National	0.00	1	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

RGEN Nutrition Facts

0.91 servings per container

Serving size

1.00M

Calories

912.37K

% Day

% Avg

Off Exchange¹ 437K

47.85%

43.71%

Nasdaq GSM 320K

35.07%

33.90%

IEX 63K

6.86%

8.38%

NYSE Arca 29K

3.13%

3.54%

Cboe BZX 23K

2.50%

3.49%

Cboe EDGX 9K

0.98%

1.73%

NYSE 8K

0.92%

1.30%

Cboe BYX 6K

0.70%

1.13%

NYSE National 5K

0.54%

0.48%

Nasdaq BX 4K

0.39%

0.75%

MEMX 4K

0.38%

0.71%

MIAX Pearl 2K

0.22%

0.18%

Cboe EDGA 2K

0.19%

0.40%

NYSE American 1K

0.15%

0.12%

LTSE 651

0.07%

0.02%

CHX 208

0.02%

0.09%

Nasdaq PHLX 185

0.02%

0.09%

24X National 1

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

RGEN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 436,581, which is 47.85% of today's total volume.
Today's Lit volume is 475,787, which is 52.15%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.71%.
The average Lit volume has been 56.29%.

RGEN Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

Cboe BYX

NYSE National

Nasdaq BX

MEMX