| Lastest Insider Transactions Of Sionna Therapeutics, Inc. ( SION ) |
| Symbol | Company Name | Insider Name | Title | Date | Transation | Share | Price | Amount | File Date |
| SION | Sionna Therapeutics, Inc. | TPG GP A, LLC | 10% Owner | 2026-01-22 | Sell | 250,000 | 40.00 | 10,000,000 | 2026-01-26 17:24:52 |
| SION | Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Directior | 2025-12-24 | Sell | 33,356 | 44.55 | 1,486,010 | 2025-12-29 20:44:14 |
| SION | Sionna Therapeutics, Inc. | Thompson Peter A. | Directior | 2025-12-24 | Sell | 33,356 | 44.55 | 1,486,010 | 2025-12-29 20:42:07 |
| SION | Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Directior | 2025-12-17 | Sell | 1,875 | 44.49 | 83,428 | 2025-12-19 19:29:13 |
| SION | Sionna Therapeutics, Inc. | Thompson Peter A. | Directior | 2025-12-17 | Sell | 1,875 | 44.49 | 83,428 | 2025-12-19 19:24:52 |
| SION | Sionna Therapeutics, Inc. | Fitzpatrick Jennifer | Chief Legal Officer | 2025-12-05 | Sell | 10,250 | 40.52 | 415,330 | 2025-12-09 16:57:04 |
| SION | Sionna Therapeutics, Inc. | Fitzpatrick Jennifer | Chief Legal Officer | 2025-12-05 | Option Exercise | 10,250 | 6.11 | 62,628 | 2025-12-09 16:57:04 |
| SION | Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Directior | 2025-11-24 | Sell | 108,073 | 44.55 | 4,814,205 | 2025-11-26 18:45:41 |
| SION | Sionna Therapeutics, Inc. | Thompson Peter A. | Directior | 2025-11-24 | Sell | 108,073 | 44.55 | 4,814,205 | 2025-11-26 18:41:57 |
| SION | Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Directior 10% Owner | 2025-11-20 | Sell | 30,316 | 39.61 | 1,200,704 | 2025-11-24 17:43:18 |
| SION | Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Directior 10% Owner | 2025-11-17 | Sell | 136,351 | 40.34 | 5,500,158 | 2025-11-19 20:43:43 |
| SION | Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Directior 10% Owner | 2025-10-24 | Sell | 373,610 | 39.51 | 14,762,604 | 2025-10-28 21:05:46 |
| SION | Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO | 2025-10-21 | Sell | 99,800 | 36.26 | 3,618,560 | 2025-10-22 17:39:46 |
| SION | Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO | 2025-10-21 | Option Exercise | 99,800 | 6.11 | 609,778 | 2025-10-22 17:39:46 |
| SION | Sionna Therapeutics, Inc. | Booth Bruce | Directior | 2025-10-21 | Sell | 88,878 | 34.22 | 3,041,683 | 2025-10-21 17:12:03 |
| SION | Sionna Therapeutics, Inc. | Booth Bruce | Directior | 2025-10-16 | Sell | 286,369 | 32.30 | 9,251,102 | 2025-10-20 21:39:54 |
| SION | Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO | 2025-10-15 | Sell | 25,200 | 31.28 | 788,153 | 2025-10-17 17:11:22 |
| SION | Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO | 2025-10-15 | Option Exercise | 25,200 | 6.11 | 153,972 | 2025-10-17 17:11:22 |
| SION | Sionna Therapeutics, Inc. | Booth Bruce | Directior | 2025-10-10 | Sell | 194,932 | 30.47 | 5,939,784 | 2025-10-15 18:33:26 |
| SION | Sionna Therapeutics, Inc. | Booth Bruce | Directior | 2025-10-03 | Sell | 49,546 | 29.99 | 1,485,790 | 2025-10-07 17:00:30 |
| SION | Sionna Therapeutics, Inc. | Booth Bruce | Directior | 2025-09-29 | Sell | 78,693 | 30.08 | 2,367,473 | 2025-10-01 18:04:42 |
| SION | Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO | 2025-09-26 | Sell | 25,000 | 29.11 | 727,798 | 2025-09-30 16:09:18 |
| SION | Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO | 2025-09-26 | Option Exercise | 25,000 | 6.11 | 152,750 | 2025-09-30 16:09:18 |
| SION | Sionna Therapeutics, Inc. | Ridloff Elena | CFO & Head of Corp. Dev. | 2025-08-29 | Sell | 9,584 | 25.09 | 240,442 | 2025-09-03 17:16:21 |
| SION | Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO | 2025-08-26 | Sell | 25,000 | 24.97 | 624,361 | 2025-08-28 17:40:58 |
| SION | Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO | 2025-08-26 | Option Exercise | 25,000 | 6.11 | 152,750 | 2025-08-28 17:40:58 |
| SION | Sionna Therapeutics, Inc. | Ridloff Elena | CFO & Head of Corp. Dev. | 2025-08-26 | Sell | 23,416 | 25.70 | 601,858 | 2025-08-28 17:40:44 |
| SION | Sionna Therapeutics, Inc. | TPG GP A, LLC | 10% Owner | 2025-06-27 | Buy | 60,000 | 15.84 | 950,400 | 2025-07-01 17:03:20 |
| SION | Sionna Therapeutics, Inc. | TPG GP A, LLC | 10% Owner | 2025-02-10 | Buy | 1,125,000 | 18.00 | 20,250,000 | 2025-02-12 17:21:33 |
| SION | Sionna Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Directior 10% Owner | 2025-02-10 | Buy | 1,125,000 | 18.00 | 20,250,000 | 2025-02-10 17:04:15 |
| SION | Sionna Therapeutics, Inc. | ORBIMED ADVISORS LLC | Directior | 2025-02-10 | Buy | 550,000 | 18.00 | 9,900,000 | 2025-02-10 16:28:39 |
| SION | Sionna Therapeutics, Inc. | Thompson Peter A. | Directior | 2025-02-10 | Buy | 550,000 | 18.00 | 9,900,000 | 2025-02-10 16:05:06 |
| SION | Sionna Therapeutics, Inc. | Booth Bruce | Directior | 2025-02-10 | Buy | 60,000 | 18.00 | 1,080,000 | 2025-02-10 16:05:05 |
| SION | Sionna Therapeutics, Inc. | Atlas Venture Fund XI, L.P. | 10% Owner | 2025-02-10 | Buy | 60,000 | 18.00 | 1,080,000 | 2025-02-10 16:05:04 |