Insider Transactions in Q3 2025 at Sionna Therapeutics, Inc. (SION)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 30
2025
|
Bruce Booth |
SELL
Open market or private sale
|
Indirect |
12,388
-0.32%
|
$371,640
$30.06 P/Share
|
|
Sep 29
2025
|
Bruce Booth |
SELL
Open market or private sale
|
Indirect |
66,105
-1.66%
|
$1,983,150
$30.09 P/Share
|
|
Sep 29
2025
|
Michael Cloonan President & CEO |
SELL
Open market or private sale
|
Direct |
7,793
-1.4%
|
$225,997
$29.7 P/Share
|
|
Sep 29
2025
|
Michael Cloonan President & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
7,793
+1.38%
|
$46,758
$6.11 P/Share
|
|
Sep 26
2025
|
Michael Cloonan President & CEO |
SELL
Open market or private sale
|
Direct |
17,207
-3.05%
|
$481,796
$28.85 P/Share
|
|
Sep 26
2025
|
Michael Cloonan President & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
17,207
+2.96%
|
$103,242
$6.11 P/Share
|
|
Sep 04
2025
|
Jennifer Fitzpatrick Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
10,250
-100.0%
|
$235,750
$23.12 P/Share
|
|
Sep 04
2025
|
Jennifer Fitzpatrick Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
10,250
+50.0%
|
$61,500
$6.11 P/Share
|
|
Sep 02
2025
|
Elena Ridloff CFO & Head of Corp. Dev. |
SELL
Open market or private sale
|
Direct |
8,836
-18.65%
|
$220,900
$25.08 P/Share
|
|
Aug 29
2025
|
Elena Ridloff CFO & Head of Corp. Dev. |
SELL
Open market or private sale
|
Direct |
748
-1.55%
|
$18,700
$25.18 P/Share
|
|
Aug 28
2025
|
Elena Ridloff CFO & Head of Corp. Dev. |
SELL
Open market or private sale
|
Direct |
16,098
-25.07%
|
$402,450
$25.97 P/Share
|
|
Aug 27
2025
|
Elena Ridloff CFO & Head of Corp. Dev. |
SELL
Open market or private sale
|
Direct |
3,618
-5.33%
|
$90,450
$25.1 P/Share
|
|
Aug 27
2025
|
Michael Cloonan President & CEO |
SELL
Open market or private sale
|
Direct |
7,426
-1.34%
|
$185,650
$25.01 P/Share
|
|
Aug 27
2025
|
Michael Cloonan President & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
7,426
+1.32%
|
$44,556
$6.11 P/Share
|
|
Aug 26
2025
|
Elena Ridloff CFO & Head of Corp. Dev. |
SELL
Open market or private sale
|
Direct |
3,700
-5.17%
|
$92,500
$25.13 P/Share
|
|
Aug 26
2025
|
Michael Cloonan President & CEO |
SELL
Open market or private sale
|
Direct |
17,574
-3.11%
|
$421,776
$24.96 P/Share
|
|
Aug 26
2025
|
Michael Cloonan President & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
17,574
+3.02%
|
$105,444
$6.11 P/Share
|
|
Aug 20
2025
|
Elena Ridloff CFO & Head of Corp. Dev. |
SELL
Open market or private sale
|
Direct |
17,500
-19.66%
|
$385,000
$22.69 P/Share
|
|
Aug 20
2025
|
Michael Cloonan President & CEO |
SELL
Open market or private sale
|
Direct |
25,000
-4.37%
|
$550,000
$22.75 P/Share
|
|
Aug 20
2025
|
Michael Cloonan President & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
25,000
+4.19%
|
$150,000
$6.11 P/Share
|
|
Aug 19
2025
|
Elena Ridloff CFO & Head of Corp. Dev. |
SELL
Open market or private sale
|
Direct |
34,500
-27.93%
|
$724,500
$21.08 P/Share
|