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Spero Therapeutics, Inc.

SPRO · NASDAQ

Market closed$1.58$0.010000 (+0.64%)After hours $1.57 · -0.63%

Historical prices

Open, high, low, close and volume for the selected range.

DateOpenHighLowCloseAdjustedVolume
July 17, 2026$1.57$1.57$1.57$1.57$1.571.00
July 17, 2026$1.60$1.60$1.60$1.60$1.601.00
July 17, 2026$1.57$1.57$1.57$1.57$1.571.00K
July 17, 2026$1.57$1.57$1.57$1.57$1.5727.00
July 17, 2026$1.57$1.57$1.57$1.57$1.57650.00
July 17, 2026$1.58$1.58$1.58$1.58$1.58105.00
July 17, 2026$1.57$1.57$1.57$1.57$1.57160.00
July 17, 2026$1.57$1.57$1.57$1.57$1.57115.00
July 17, 2026$1.57$1.57$1.57$1.57$1.5797.00
July 17, 2026$1.58$1.58$1.58$1.58$1.58376.00
July 17, 2026$1.58$1.58$1.58$1.58$1.5823.56K
July 17, 2026$1.58$1.58$1.58$1.58$1.584.18K
July 17, 2026$1.57$1.58$1.57$1.57$1.573.34K
July 17, 2026$1.58$1.58$1.58$1.58$1.58695.00
July 17, 2026$1.57$1.57$1.57$1.57$1.571.89K
July 17, 2026$1.57$1.58$1.57$1.58$1.583.04K
July 17, 2026$1.58$1.58$1.58$1.58$1.581.77K
July 17, 2026$1.58$1.58$1.58$1.58$1.587.20K
July 17, 2026$1.57$1.57$1.57$1.57$1.57662.00
July 17, 2026$1.58$1.58$1.58$1.58$1.582.68K
July 17, 2026$1.58$1.58$1.58$1.58$1.58906.00
July 17, 2026$1.58$1.58$1.58$1.58$1.58—
July 17, 2026$1.58$1.58$1.58$1.58$1.58109.00
July 17, 2026$1.58$1.58$1.58$1.58$1.581.08K
July 17, 2026$1.58$1.58$1.58$1.58$1.583.56K
July 17, 2026$1.58$1.58$1.58$1.58$1.58600.13
July 17, 2026$1.58$1.58$1.58$1.58$1.58129.00
July 17, 2026$1.57$1.57$1.57$1.57$1.572.00
July 17, 2026$1.57$1.58$1.57$1.58$1.581.19K
July 17, 2026$1.58$1.58$1.57$1.57$1.576.23K
July 17, 2026$1.58$1.58$1.58$1.58$1.58191.00
July 17, 2026$1.57$1.58$1.57$1.58$1.58412.00
July 17, 2026$1.58$1.58$1.58$1.58$1.58290.00
July 17, 2026$1.58$1.58$1.58$1.58$1.586.90K
July 17, 2026$1.57$1.58$1.57$1.58$1.5811.60K
July 17, 2026$1.58$1.58$1.58$1.58$1.582.90K
July 17, 2026$1.58$1.58$1.58$1.58$1.582.41K
July 17, 2026$1.58$1.58$1.58$1.58$1.5828.00
July 17, 2026$1.58$1.58$1.58$1.58$1.588.82K
July 17, 2026$1.58$1.58$1.58$1.58$1.5820.00
July 17, 2026$1.58$1.58$1.58$1.58$1.58404.00
July 17, 2026$1.58$1.58$1.58$1.58$1.5844.00
July 17, 2026$1.58$1.58$1.58$1.58$1.581.00
July 17, 2026$1.58$1.58$1.58$1.58$1.580.87
July 17, 2026$1.58$1.58$1.58$1.58$1.58246.00
July 17, 2026$1.58$1.58$1.58$1.58$1.58—
July 17, 2026$1.58$1.58$1.58$1.58$1.5839.87
July 17, 2026$1.58$1.58$1.58$1.58$1.58416.00
July 17, 2026$1.58$1.58$1.58$1.58$1.581.77K
July 17, 2026$1.59$1.59$1.59$1.59$1.5946.13
July 17, 2026$1.59$1.59$1.59$1.59$1.5920.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59400.00
July 17, 2026$1.59$1.59$1.59$1.59$1.599.26K
July 17, 2026$1.59$1.59$1.59$1.59$1.59229.00
July 17, 2026$1.59$1.59$1.59$1.59$1.597.15K
July 17, 2026$1.59$1.59$1.59$1.59$1.59249.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.591.00
July 17, 2026$1.59$1.59$1.59$1.59$1.5911.32K
July 17, 2026$1.60$1.60$1.60$1.60$1.601.43K
July 17, 2026$1.59$1.60$1.59$1.60$1.601.03K
July 17, 2026$1.60$1.60$1.60$1.60$1.60865.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60600.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60615.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60732.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60800.00
July 17, 2026$1.60$1.60$1.60$1.60$1.602.14K
July 17, 2026$1.60$1.60$1.60$1.60$1.605.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60215.00
July 17, 2026$1.59$1.60$1.59$1.60$1.60502.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60200.00
July 17, 2026$1.60$1.60$1.60$1.60$1.6079.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60500.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60700.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60800.00
July 17, 2026$1.60$1.60$1.60$1.60$1.6097.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60709.00
July 17, 2026$1.60$1.60$1.60$1.60$1.6096.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60400.00
July 17, 2026$1.59$1.60$1.59$1.59$1.596.66K
July 17, 2026$1.60$1.60$1.60$1.60$1.60800.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60310.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60500.00
July 17, 2026$1.60$1.60$1.60$1.60$1.601.05K
July 17, 2026$1.60$1.60$1.60$1.60$1.60536.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60489.00
July 17, 2026$1.60$1.60$1.60$1.60$1.601.45K
July 17, 2026$1.60$1.60$1.60$1.60$1.601.45K
July 17, 2026$1.60$1.60$1.60$1.60$1.601.00K
July 17, 2026$1.60$1.60$1.60$1.60$1.60400.00
July 17, 2026$1.60$1.60$1.59$1.59$1.591.40K
July 17, 2026$1.60$1.60$1.60$1.60$1.602.00
July 17, 2026$1.60$1.60$1.59$1.59$1.59143.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60400.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60314.00
July 17, 2026$1.59$1.60$1.59$1.60$1.601.38K
July 17, 2026$1.60$1.60$1.60$1.60$1.602.08K
July 17, 2026$1.60$1.60$1.60$1.60$1.6040.00
July 17, 2026$1.59$1.59$1.59$1.59$1.592.49K
July 17, 2026$1.60$1.60$1.60$1.60$1.6030.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60640.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59120.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60600.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60327.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60808.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60200.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60—
July 17, 2026$1.60$1.60$1.60$1.60$1.60643.00
July 17, 2026$1.60$1.60$1.60$1.60$1.602.10K
July 17, 2026$1.60$1.60$1.60$1.60$1.60—
July 17, 2026$1.60$1.60$1.60$1.60$1.60400.00
July 17, 2026$1.59$1.59$1.59$1.59$1.5910.84K
July 17, 2026$1.59$1.59$1.59$1.59$1.5913.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.5940.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59122.00
July 17, 2026$1.59$1.59$1.59$1.59$1.5970.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59711.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.5915.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.591.61K
July 17, 2026$1.59$1.59$1.59$1.59$1.5913.06
July 17, 2026$1.59$1.59$1.59$1.59$1.59113.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59237.06
July 17, 2026$1.59$1.59$1.59$1.59$1.596.21K
July 17, 2026$1.59$1.59$1.59$1.59$1.59714.00
July 17, 2026$1.60$1.60$1.59$1.59$1.597.07K
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.60$1.60$1.60$1.60$1.60836.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60600.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59502.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60800.00
July 17, 2026$1.60$1.60$1.60$1.60$1.601.19K
July 17, 2026$1.60$1.60$1.60$1.60$1.60501.00
July 17, 2026$1.60$1.60$1.60$1.60$1.6040.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59614.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59960.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60314.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60222.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.593.43K
July 17, 2026$1.60$1.60$1.59$1.60$1.60106.83
July 17, 2026$1.60$1.60$1.60$1.60$1.60612.00
July 17, 2026$1.60$1.60$1.60$1.60$1.6060.00
July 17, 2026$1.60$1.60$1.60$1.60$1.601.11K
July 17, 2026$1.59$1.59$1.59$1.59$1.595.47K
July 17, 2026$1.60$1.60$1.60$1.60$1.60528.00
July 17, 2026$1.60$1.60$1.60$1.60$1.60171.00
July 17, 2026$1.60$1.60$1.60$1.60$1.6093.00
July 17, 2026$1.59$1.59$1.59$1.59$1.595.75K
July 17, 2026$1.59$1.59$1.59$1.59$1.597.08K
July 17, 2026$1.59$1.59$1.59$1.59$1.59155.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.59200.17
July 17, 2026$1.59$1.59$1.59$1.59$1.592.66K
July 17, 2026$1.59$1.59$1.59$1.59$1.59167.17
July 17, 2026$1.59$1.59$1.59$1.59$1.59272.00
July 17, 2026$1.59$1.59$1.59$1.59$1.591.11K
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.595.48K
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.5920.00
July 17, 2026$1.59$1.59$1.59$1.59$1.5943.00
July 17, 2026$1.59$1.59$1.59$1.59$1.592.66K
July 17, 2026$1.59$1.59$1.59$1.59$1.59460.00
July 17, 2026$1.59$1.59$1.58$1.59$1.59764.00
July 17, 2026$1.59$1.59$1.59$1.59$1.5920.85
July 17, 2026$1.58$1.58$1.58$1.58$1.5885.00
July 17, 2026$1.58$1.58$1.58$1.58$1.581.19K
July 17, 2026$1.58$1.58$1.58$1.58$1.586.14K
July 17, 2026$1.58$1.58$1.58$1.58$1.58—
July 17, 2026$1.58$1.58$1.58$1.58$1.5832.15
July 17, 2026$1.58$1.58$1.58$1.58$1.5870.00
July 17, 2026$1.58$1.58$1.58$1.58$1.58978.00
July 17, 2026$1.58$1.58$1.58$1.58$1.58200.00
July 17, 2026$1.58$1.58$1.58$1.58$1.584.13K
July 17, 2026$1.58$1.58$1.58$1.58$1.58161.00
July 17, 2026$1.58$1.58$1.58$1.58$1.584.64K
July 17, 2026$1.59$1.59$1.59$1.59$1.591.44K
July 17, 2026$1.59$1.59$1.59$1.59$1.59100.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59600.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59400.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59400.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.59760.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59600.00
July 17, 2026$1.59$1.59$1.58$1.58$1.58533.00
July 17, 2026$1.58$1.58$1.58$1.58$1.583.39K
July 17, 2026$1.59$1.59$1.59$1.59$1.59740.00
July 17, 2026$1.59$1.59$1.59$1.59$1.591.15K
July 17, 2026$1.59$1.59$1.59$1.59$1.59700.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59632.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59760.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59297.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59500.00
July 17, 2026$1.59$1.59$1.59$1.59$1.591.02K
July 17, 2026$1.59$1.59$1.59$1.59$1.59573.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59600.00
July 17, 2026$1.59$1.59$1.59$1.59$1.591.22K
July 17, 2026$1.59$1.59$1.59$1.59$1.592.40K
July 17, 2026$1.59$1.59$1.59$1.59$1.599.91K
July 17, 2026$1.59$1.59$1.59$1.59$1.59102.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59899.00
July 17, 2026$1.59$1.59$1.58$1.59$1.591.98K
July 17, 2026$1.59$1.59$1.59$1.59$1.597.60K
July 17, 2026$1.58$1.58$1.58$1.58$1.586.40K
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.58$1.58$1.58$1.58$1.5820.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.58$1.58$1.58$1.58$1.585.92K
July 17, 2026$1.59$1.59$1.59$1.59$1.59622.00
July 17, 2026$1.59$1.59$1.59$1.59$1.592.00
July 17, 2026$1.59$1.59$1.59$1.59$1.592.85
July 17, 2026$1.59$1.59$1.59$1.59$1.59757.00
July 17, 2026$1.59$1.59$1.59$1.59$1.5978.00
July 17, 2026$1.59$1.59$1.59$1.59$1.5921.00
July 17, 2026$1.59$1.59$1.59$1.59$1.59—
July 17, 2026$1.59$1.59$1.59$1.59$1.5911.69K
July 17, 2026$1.62$1.62$1.59$1.59$1.592.55K
July 17, 2026$1.63$1.63$1.63$1.63$1.6310.00
July 17, 2026$1.63$1.63$1.63$1.63$1.636.76K
July 17, 2026$1.63$1.63$1.63$1.63$1.631.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62126.00
July 17, 2026$1.62$1.63$1.62$1.63$1.63994.00
July 17, 2026$1.63$1.63$1.63$1.63$1.6366.12
July 17, 2026$1.63$1.63$1.63$1.63$1.63—
July 17, 2026$1.63$1.63$1.63$1.63$1.6320.00
July 17, 2026$1.63$1.63$1.63$1.63$1.63585.00
July 17, 2026$1.63$1.63$1.63$1.63$1.63175.00
July 17, 2026$1.63$1.63$1.63$1.63$1.634.32K
July 17, 2026$1.63$1.63$1.63$1.63$1.63—
July 17, 2026$1.63$1.63$1.63$1.63$1.63—
July 17, 2026$1.63$1.63$1.63$1.63$1.63—
July 17, 2026$1.63$1.63$1.63$1.63$1.633.51K
July 17, 2026$1.63$1.63$1.63$1.63$1.63200.00
July 17, 2026$1.63$1.63$1.63$1.63$1.632.01K
July 17, 2026$1.63$1.63$1.63$1.63$1.63—
July 17, 2026$1.63$1.63$1.63$1.63$1.63420.00
July 17, 2026$1.63$1.63$1.63$1.63$1.6330.00
July 17, 2026$1.62$1.63$1.62$1.63$1.631.07K
July 17, 2026$1.63$1.63$1.63$1.63$1.63—
July 17, 2026$1.63$1.63$1.63$1.63$1.63910.00
July 17, 2026$1.63$1.63$1.63$1.63$1.63—
July 17, 2026$1.63$1.63$1.63$1.63$1.63400.00
July 17, 2026$1.62$1.62$1.62$1.62$1.622.35K
July 17, 2026$1.62$1.62$1.62$1.62$1.629.97K
July 17, 2026$1.62$1.62$1.62$1.62$1.621.20K
July 17, 2026$1.62$1.62$1.62$1.62$1.62283.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62570.00
July 17, 2026$1.61$1.61$1.61$1.61$1.612.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62—
July 17, 2026$1.62$1.62$1.62$1.62$1.6216.88
July 17, 2026$1.62$1.62$1.62$1.62$1.62784.00
July 17, 2026$1.62$1.62$1.62$1.62$1.6259.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62190.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62397.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62570.00
July 17, 2026$1.63$1.63$1.62$1.62$1.6220.96K
July 17, 2026$1.62$1.62$1.62$1.62$1.62200.00
July 17, 2026$1.63$1.63$1.63$1.63$1.63—
July 17, 2026$1.63$1.63$1.63$1.63$1.635.20K
July 17, 2026$1.63$1.63$1.63$1.63$1.63454.00
July 17, 2026$1.63$1.63$1.63$1.63$1.6338.00
July 17, 2026$1.63$1.63$1.63$1.63$1.6341.00
July 17, 2026$1.63$1.63$1.63$1.63$1.6360.00
July 17, 2026$1.62$1.62$1.62$1.62$1.622.78K
July 17, 2026$1.62$1.62$1.62$1.62$1.62—
July 17, 2026$1.62$1.62$1.62$1.62$1.62—
July 17, 2026$1.62$1.62$1.62$1.62$1.625.75K
July 17, 2026$1.62$1.62$1.62$1.62$1.62374.88
July 17, 2026$1.62$1.62$1.62$1.62$1.62594.00
July 17, 2026$1.62$1.62$1.62$1.62$1.6220.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62796.88
July 17, 2026$1.62$1.62$1.62$1.62$1.62—
July 17, 2026$1.62$1.62$1.62$1.62$1.62—
July 17, 2026$1.62$1.62$1.62$1.62$1.626.53K
July 17, 2026$1.61$1.61$1.61$1.61$1.6112.55K
July 17, 2026$1.61$1.61$1.61$1.61$1.611.10K
July 17, 2026$1.61$1.62$1.61$1.62$1.62451.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62676.00
July 17, 2026$1.62$1.62$1.62$1.62$1.622.29K
July 17, 2026$1.62$1.62$1.62$1.62$1.6220.00
July 17, 2026$1.61$1.61$1.61$1.61$1.611.95K
July 17, 2026$1.62$1.62$1.62$1.62$1.62931.00
July 17, 2026$1.62$1.62$1.62$1.62$1.623.45K
July 17, 2026$1.62$1.62$1.62$1.62$1.621.68K
July 17, 2026$1.62$1.62$1.62$1.62$1.62145.88
July 17, 2026$1.62$1.62$1.62$1.62$1.62646.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62—
July 17, 2026$1.62$1.62$1.62$1.62$1.62100.00
July 17, 2026$1.62$1.62$1.62$1.62$1.622.02K
July 17, 2026$1.61$1.61$1.61$1.61$1.61100.00
July 17, 2026$1.62$1.62$1.62$1.62$1.62200.00
July 17, 2026$1.63$1.63$1.62$1.62$1.621.00
July 17, 2026$1.63$1.63$1.61$1.62$1.6247.00
July 17, 2026$1.62$1.63$1.62$1.62$1.6284.00
July 17, 2026$1.63$1.63$1.62$1.62$1.6215.00
July 17, 2026$1.62$1.62$1.62$1.62$1.625.98K
July 17, 2026$1.62$1.62$1.62$1.62$1.62381.00