Sionna Therapeutics, Inc. - SION

  1. All Sectors
  2. Manufacturing
  3. Chemicals
  4. Pharmaceutical Preparations
Latest data: 9/9/2025 10:04:53 PM
EDGAR CIK 0002036042

Buy Breakdown

Total $0

Sell Breakdown

Total $1,966,634

Monthly Totals

Transaction Filed Name Type Shares @ Price Value Balance change Ownership
09/02/2025
10b5-1
09/03/2025
Ridloff Elena
CFO & Head of Corp. Dev.
CFO
Sell
-8,836 @ $25.08
($221,606.88)
 38,532 (-18.65%) Direct
08/29/2025
10b5-1
09/03/2025
Ridloff Elena
CFO & Head of Corp. Dev.
CFO
Sell
-748 @ $25.18
($18,834.64)
 47,368 (-1.55%) Direct
08/28/2025
10b5-1
08/28/2025
Ridloff Elena
CFO & Head of Corp. Dev.
CFO
Sell
-16,098 @ $25.97
($418,065.06)
 48,116 (-25.07%) Direct
08/27/2025
10b5-1
08/28/2025
Ridloff Elena
CFO & Head of Corp. Dev.
CFO
Sell
-3,618 @ $25.10
($90,811.80)
 64,214 (-5.33%) Direct
08/26/2025
10b5-1
08/28/2025
Ridloff Elena
CFO & Head of Corp. Dev.
CFO
Sell
-3,700 @ $25.13
($92,981.00)
 67,832 (-5.17%) Direct
08/20/2025
10b5-1
08/21/2025
Ridloff Elena
CFO & Head of Corp. Dev.
CFO
Sell
-17,500 @ $22.69
($397,075.00)
 71,532 (-19.66%) Direct
08/19/2025
10b5-1
08/21/2025
Ridloff Elena
CFO & Head of Corp. Dev.
CFO
Sell
-34,500 @ $21.08
($727,260.00)
 89,032 (-27.93%) Direct