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Sionna Therapeutics Inc Stock (SION) Price History

The historical daily chart and data for Sionna Therapeutics Inc stock (SION), show that the latest closing stock price as of August 14, 2026, is $6.46.
  • Sionna Therapeutics Inc all-time high stock price is $54.97, occurred on August 07, 2026.
  • The lowest Sionna Therapeutics Inc stock price recorded was $4.01 on August 10, 2026. Since then, Sionna Therapeutics Inc's stock price has risen over 61.10% to $6.46 now.
  • The 52-week high stock price for SION is $54.97, representing a 750.93% increase from the current share price, occurred on August 07, 2026.
  • The 52-week low stock price for SION is $4.01, indicating a -37.93% decrease from the current share price, occurred on August 10, 2026.
The table below shows more information about SION historical price data:
Date High Low High - Low Volume % Change
Aug 14, 2026 $6.66 $6.15 $0.51 2,856,900.0 -1.22%
Aug 13, 2026 $6.75 $6.05 $0.70 5,418,063.0 +4.64%
Aug 12, 2026 $6.40 $4.97 $1.43 9,312,451.0 +22.55%
Aug 11, 2026 $5.49 $4.49 $0.9999 14,792,990.0 +13.33%
Aug 10, 2026 $5.00 $4.01 $0.9898 38,131,045.0 -91.18%
Aug 07, 2026 $54.97 $49.30 $5.67 746,247.0 +2.88%
Aug 06, 2026 $50.80 $47.08 $3.72 778,269.0 +4.80%
Aug 05, 2026 $51.91 $46.91 $4.99 757,707.0 -5.21%
Aug 04, 2026 $51.73 $48.52 $3.21 913,069.0 +1.38%
Aug 03, 2026 $49.49 $45.57 $3.92 508,980.0 +4.52%
Jul 31, 2026 $47.62 $44.27 $3.35 390,624.0 +0.75%
Jul 30, 2026 $47.28 $44.64 $2.64 353,248.0 +4.40%
Jul 29, 2026 $46.84 $44.63 $2.21 368,301.0 -3.74%
Jul 28, 2026 $46.69 $44.11 $2.58 320,203.0 +2.58%
Jul 27, 2026 $47.89 $45.10 $2.79 403,789.0 -0.70%
Jul 24, 2026 $46.40 $43.41 $2.99 654,828.0 +3.72%
Jul 23, 2026 $46.45 $43.84 $2.61 811,031.0 -2.15%
Jul 22, 2026 $47.71 $44.23 $3.48 562,845.0 -4.62%
Jul 21, 2026 $48.00 $45.24 $2.76 597,713.0 +3.33%
Jul 20, 2026 $51.56 $44.78 $6.78 816,392.0 -7.53%
Jul 17, 2026 $51.00 $43.12 $7.88 1,139,271.0 +9.10%
Jul 16, 2026 $48.22 $43.47 $4.75 1,096,320.0 +2.05%

Sionna Therapeutics Inc Stock (SION) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Sionna Therapeutics Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of SION shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Sionna Therapeutics Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Sionna Therapeutics Inc Stock (SION) Price History 2026

Month High Low High - Low Volume % Change
Aug, 2026 $54.97 $4.01 $50.96 77,072,621.0 -86.29%
Jul, 2026 $51.56 $40.92 $10.64 11,948,270.0 +7.14%
Jun, 2026 $45.00 $32.26 $12.74 9,456,120.0 +2.73%
May, 2026 $48.45 $36.90 $11.55 7,601,673.0 +10.65%
Apr, 2026 $46.46 $35.10 $11.36 9,533,552.0 -3.47%
Mar, 2026 $41.61 $32.56 $9.05 6,917,937.0 +9.72%
Feb, 2026 $44.99 $32.46 $12.53 5,508,319.0 -13.54%
Jan, 2026 $44.19 $34.62 $9.56 5,360,430.0 +2.72%

Sionna Therapeutics Inc Stock (SION) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $45.00 $35.42 $9.58 7,022,414.0 -5.00%
Nov, 2025 $45.00 $32.40 $12.60 4,361,505.0 +14.03%
Oct, 2025 $43.20 $24.65 $18.55 7,763,395.0 +29.92%
Sep, 2025 $30.61 $20.60 $10.00 6,711,734.0 +19.46%
Aug, 2025 $26.50 $16.38 $10.12 3,931,947.0 +46.90%
Jul, 2025 $21.94 $16.14 $5.80 3,276,224.0 -3.40%
Jun, 2025 $18.85 $13.33 $5.52 4,958,757.0 +26.73%
May, 2025 $14.66 $11.67 $2.99 3,120,150.0 +13.80%
Apr, 2025 $13.41 $7.25 $6.16 3,116,357.0 +15.01%
Mar, 2025 $17.81 $10.27 $7.54 4,862,679.0 -24.04%
Feb, 2025 $24.90 $13.21 $11.69 3,038,339.0 +0.00%
$63.32
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$58.60
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$36.20
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$123.74
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$228.65
price up icon 0.67%
ONC ONC
$347.48
price down icon 2.40%
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