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ATHA
Athira Pharma, Inc. Common Stock
stock NASDAQ

At Close

Dec 22, 2025 3:59:39 PM EST

7.45USD+6.958%(+0.48)618,013

7.21Bid 7.53Ask 0.32Spread

Pre-market

Dec 22, 2025 9:07:30 AM EST

6.75USD-3.156%(-0.22)5,241

After-hours

Dec 19, 2025 4:48:30 PM EST

6.94USD0.000%(0.00)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

ATHA Volume Dec 22, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	51.74	320,993	50.57
Nasdaq GSM	24.97	154,909	10.24
NYSE Arca	9.49	58,881	19.70
Cboe EDGX	6.72	41,670	9.59
Cboe BZX	1.48	9,199	2.35
MEMX	1.30	8,052	3.10
MIAX Pearl	1.25	7,725	1.26
IEX	1.10	6,817	1.02
Cboe EDGA	0.63	3,924	0.60
Cboe BYX	0.37	2,291	0.47
NYSE	0.35	2,174	0.53
Nasdaq PHLX	0.24	1,504	0.01
Nasdaq BX	0.20	1,259	0.52
NYSE American	0.07	429	0.02
NYSE National	0.05	315	0.02
CHX	0.03	207	0.00
LTSE	0.00	0	0.00

chartexchange.com

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

ATHA Nutrition Facts

0.47 servings per container

Serving size

1.31M

Calories

620.35K

% Day

% Avg

Off Exchange¹ 321K

51.74%

50.57%

Nasdaq GSM 155K

24.97%

10.24%

NYSE Arca 59K

9.49%

19.70%

Cboe EDGX 42K

6.72%

9.59%

Cboe BZX 9K

1.48%

2.35%

MEMX 8K

1.30%

3.10%

MIAX Pearl 8K

1.25%

1.26%

IEX 7K

1.10%

1.02%

Cboe EDGA 4K

0.63%

0.60%

Cboe BYX 2K

0.37%

0.47%

NYSE 2K

0.35%

0.53%

Nasdaq PHLX 2K

0.24%

0.01%

Nasdaq BX 1K

0.20%

0.52%

NYSE American 429

0.07%

0.02%

NYSE National 315

0.05%

0.02%

CHX 207

0.03%

0.00%

LTSE 0

0.00%

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

chartexchange.com

ATHA Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 320,993, which is 51.74% of today's total volume.
Today's Lit volume is 299,356, which is 48.26%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 50.57%.
The average Lit volume has been 49.43%.

ATHA Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

Cboe BZX

MEMX

MIAX Pearl

IEX

Cboe EDGA

Cboe BYX

NYSE