SION Sionna Therapeutics

• None no insider bought on the open market
• $53.3M sold by 2 insiders outside a trading plan
• $113M sold by 3 insiders under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Ra Capital Management, L.P. Director, +5 joint filers
   Sale
   $21.8M 3,448,811 shares at $6.33 50% of stake
   Traded Sep 17 Filed Sep 21
   ↗
3. Peter A. Thompson Director
   Planned sale
   $3.9M 85,918 shares at $44.86 3.4% of stake
   Traded Jul 7 Filed Jul 9
   ↗
4. Jennifer Fitzpatrick Chief Legal Officer
   Planned sale
   $447K 10,250 shares at $43.60 100% of stake
   Traded Jul 6 Filed Jul 7
   ↗
5. Peter A. Thompson Director
   Planned sale
   $5.3M 115,844 shares at $45.50 4.3% of stake
   Traded Jun 30 Filed Jul 2
   ↗
6. Peter A. Thompson Director
   Planned sale
   $4,493 101 shares at $44.49 <0.1% of stake
   Traded May 27 Filed May 29
   ↗
7. Peter A. Thompson Director
   Planned sale
   $13.4M 292,952 shares at $45.62 9.9% of stake
   Traded May 7–11 Filed May 11
   ↗
8. Peter A. Thompson Director
   Planned sale
   $2.5M 55,345 shares at $44.67 1.8% of stake
   Traded Apr 17–18 Filed Apr 21
   ↗
9. Peter A. Thompson Director
   Planned sale
   $22.9M 510,583 shares at $44.94 15% of stake
   Traded Apr 14–16 Filed Apr 16
   ↗
10. Jennifer Fitzpatrick Chief Legal Officer
    Planned sale
    $347K 10,250 shares at $33.86 100% of stake
    Traded Mar 5 Filed Mar 6
    ↗

Also filed in the last 12 months, not counted as buying or selling: 8 stock grants and 3 option exercises.