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SION

S

Sionna Therapeutics, Inc. (SION)

NGM – Real Time Price. Currency in USD

36.16

-1.80 (-4.74%)

At close: Mar 27, 2026, 4:00 PM EDT

36.16

0.00 (0.00%)

After-hours: Mar 27, 2026, 4:10 PM EDT

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Sionna Stock Is Up 144% This Past Year. Is the Biotech a Buy as One Fund Makes a $7 Million Bet?

Sionna Stock Is Up 144% This Past Year. Is the Biotech a Buy as One Fund Makes a $7 Million Bet?

Superstring Capital Management acquired 180,593 shares of Sionna Therapeutics in the fourth quarter. The quarter-end position value rose by $7.43 million, reflecting the purchase of a new position.

This Investor Sold $5 Million of a Biotech Stock Up 118% in a Year, but Here's Why It Still Seems Bullish on Shares

This Investor Sold $5 Million of a Biotech Stock Up 118% in a Year, but Here's Why It Still Seems Bullish on Shares

OrbiMed Advisors sold 143,304 shares of Sionna Therapeutics in the fourth quarter; the estimated transaction value was $5.43 million based on quarterly average prices. Meanwhile, the quarter-end position value increased by $37.56 million, reflecting both trading and stock price movement.

Sionna Therapeutics Reports Fourth Quarter and Full Year 2025 Financial Results

Sionna Therapeutics Reports Fourth Quarter and Full Year 2025 Financial Results

Ongoing PreciSION CF Phase 2a proof-of-concept trial evaluating NBD1 stabilizer SION-719 as an add-on to standard of care in participants with cystic fibrosis is on track with topline data anticipated in mid-2026 Ongoing Phase 1 trial evaluating NBD1 stabilizer SION-451 in proprietary dual combinations with SION-2222 and with SION-109 in healthy volunteers is on track with topline data anticipated in mid-2026 Maintained strong cash position with approximately $310.3 million in cash and cash equivalents, expected to fund operations into 2028 WALTHAM, Mass., March 02, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein, today reported financial results for the fourth quarter and full year ended December 31, 2025, and provided a business update.

Sionna Therapeutics to Participate in Upcoming March 2026 Investor Conferences

Sionna Therapeutics to Participate in Upcoming March 2026 Investor Conferences

WALTHAM, Mass., Feb. 23, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein, today announced that management will participate in fireside chats at the following upcoming investor events:

Sionna Therapeutics to Present at the Guggenheim Securities Emerging Outlook: Biotech Summit 2026

Sionna Therapeutics to Present at the Guggenheim Securities Emerging Outlook: Biotech Summit 2026

WALTHAM, Mass., Feb. 04, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein, today announced that management will present at the Guggenheim Securities Emerging Outlook: Biotech Summit 2026 on Wednesday, February 11th, 2026 at 2:00 p.m.

Sionna Therapeutics, Inc. (SION) Presents at 44th Annual J.P. Morgan Healthcare Conference Transcript

Sionna Therapeutics, Inc. (SION) Presents at 44th Annual J.P. Morgan Healthcare Conference Transcript

Sionna Therapeutics, Inc. (SION) Presents at 44th Annual J.P. Morgan Healthcare Conference Transcript

Sionna Therapeutics Chief Legal Officer Caps Off Strong 2025 with Sale of Over 10,000 Shares

Sionna Therapeutics Chief Legal Officer Caps Off Strong 2025 with Sale of Over 10,000 Shares

Sionna Therapeutics' Chief Legal Officer sold 10,250 shares for over $400k on Dec. 5, 2025. The company's stock has performed strongly in its first year on the market.

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Sionna Therapeutics Reports Fourth Quarter and Full Year 2025 Financial Results

Sionna Therapeutics Reports Fourth Quarter and Full Year 2025 Financial Results

Ongoing PreciSION CF Phase 2a proof-of-concept trial evaluating NBD1 stabilizer SION-719 as an add-on to standard of care in participants with cystic fibrosis is on track with topline data anticipated in mid-2026 Ongoing Phase 1 trial evaluating NBD1 stabilizer SION-451 in proprietary dual combinations with SION-2222 and with SION-109 in healthy volunteers is on track with topline data anticipated in mid-2026 Maintained strong cash position with approximately $310.3 million in cash and cash equivalents, expected to fund operations into 2028 WALTHAM, Mass., March 02, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein, today reported financial results for the fourth quarter and full year ended December 31, 2025, and provided a business update.

Sionna Therapeutics Reports Third Quarter 2025 Financial Results

Sionna Therapeutics Reports Third Quarter 2025 Financial Results

Initiated PreciSION CF Phase 2a proof-of-concept trial evaluating NBD1 stabilizer SION-719 as an add-on to standard of care in participants with cystic fibrosis

Sionna Therapeutics Announces Presentation of SION-719 and SION-451 Phase 1 Data and Poster of New Preclinical Data on the Impact of NBD1 Stabilizers on F508del-CFTR Half-Life at the 2025 North American Cystic Fibrosis Conference

Sionna Therapeutics Announces Presentation of SION-719 and SION-451 Phase 1 Data and Poster of New Preclinical Data on the Impact of NBD1 Stabilizers on F508del-CFTR Half-Life at the 2025 North American Cystic Fibrosis Conference

Phase 1 data of first-in-class NBD1 stabilizers, SION-719 and SION-451, demonstrated they were generally well tolerated and exceeded desired pharmacokinetic targets New preclinical data show that NBD1 stabilizers restored the half-life of F508del-CFTR up to wild-type levels WALTHAM, Mass., Oct. 24, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein, today announced data presented at the 2025 North American Cystic Fibrosis Conference (NACFC) being held in Seattle, Washington October 22-25.

Sionna Therapeutics Announces Initiation of PreciSION CF Phase 2a Trial Evaluating NBD1 Stabilizer, SION-719, When Added to Standard of Care in Participants with Cystic Fibrosis

Sionna Therapeutics Announces Initiation of PreciSION CF Phase 2a Trial Evaluating NBD1 Stabilizer, SION-719, When Added to Standard of Care in Participants with Cystic Fibrosis

SION-719 is the first NBD1 stabilizer being evaluated in people living with cystic fibrosis Topline data expected in mid-2026 WALTHAM, Mass., Oct. 21, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein, today announced initiation of the PreciSION CF Phase 2a proof-of-concept (POC) trial evaluating SION-719, a first-in-class nucleotide binding domain 1 (NBD1) stabilizer, when added to Trikafta ® (elexacaftor/tezacaftor/ivacaftor), the current standard of care (SOC) in CF.