Cloonan Michael
Known title: President & CEOCIK: 0001704336
Associated companies
Transaction History
| SION | ▲ Buy | Grant | 109,025 | $0 | 9/17/2026 | View on chart |
| SION | ▲ Buy | Grant | 109,025 | $0 | 9/17/2026 | View on chart |
| SION | ▲ Buy | Option Exercise | 13,324 | $81K | 10/21/2025 | View on chart |
| SION | ▼ Sell | Open Market | 13,324 | $459K | 10/21/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 30,049 | $184K | 10/21/2025 | View on chart |
| SION | ▼ Sell | Open Market | 30,049 | $1.1M | 10/21/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 22,895 | $140K | 10/21/2025 | View on chart |
| SION | ▼ Sell | Open Market | 22,895 | $838K | 10/21/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 33,532 | $205K | 10/21/2025 | View on chart |
| SION | ▼ Sell | Open Market | 33,532 | $1.3M | 10/21/2025 | View on chart |
| SION | ▼ Sell | Open Market | 200 | $7K | 10/16/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 10,225 | $62K | 10/16/2025 | View on chart |
| SION | ▼ Sell | Open Market | 10,225 | $322K | 10/16/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 200 | $1K | 10/16/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 14,775 | $90K | 10/15/2025 | View on chart |
| SION | ▼ Sell | Open Market | 14,775 | $460K | 10/15/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 7,793 | $48K | 9/29/2025 | View on chart |
| SION | ▼ Sell | Open Market | 7,793 | $231K | 9/29/2025 | View on chart |
| SION | ▼ Sell | Open Market | 17,207 | $496K | 9/26/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 17,207 | $105K | 9/26/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 7,426 | $45K | 8/27/2025 | View on chart |
| SION | ▼ Sell | Open Market | 7,426 | $186K | 8/27/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 17,574 | $107K | 8/26/2025 | View on chart |
| SION | ▼ Sell | Open Market | 17,574 | $439K | 8/26/2025 | View on chart |
| SION | ▲ Buy | Option Exercise | 25,000 | $153K | 8/20/2025 | View on chart |
| SION | ▼ Sell | Open Market | 25,000 | $569K | 8/20/2025 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 16, 2026
Sionna Shares Fall 37.6% Over 4 Weeks, Trend Reversal Possible
Sionna Therapeutics shares fell 37.6% over the past four weeks. The drop has pushed the stock into a low RSI zone of 23.4, suggesting it may be oversold. The price is near a key support level at $5.71, which has been tested 20 times. Analysts see a potential trend reversal, but the stock remains far below its 52‑week high of $54.97.
Sionna Shares Fall 37.6% Over 4 Weeks, Trend Reversal Possible. Sionna Therapeutics shares fell 37.6% over the past four weeks. The drop has pushed the stock into a low RSI zone of 23.4, suggesting it may be oversold. The price is near a key support level at $5.71, which has been tested 20 times. Analysts see a potential trend reversal, but the stock remains far below its 52‑week high of $54.97.