Insider Transactions last 24 months for Sionna Therapeutics, Inc.  -  NSDQ: SION

 
Transactions
All Buy Sell Option Exercise
Filer's Name
Relationship/
Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Fitzpatrick JenniferChief Legal Officer09/04/2025DSDirectCOM10,250$23.12$236,980.000
Fitzpatrick JenniferChief Legal Officer09/04/2025AMDirectCOM10,250$6.11$62,627.5010,250
Ridloff ElenaCFO & Head of Corp. Dev.09/02/2025DSDirectCOM8,836$25.08$221,606.8838,532
Ridloff ElenaCFO & Head of Corp. Dev.08/29/2025DSDirectCOM748$25.18$18,834.6447,368
Ridloff ElenaCFO & Head of Corp. Dev.08/28/2025DSDirectCOM16,098$25.97$418,065.0648,116
Ridloff ElenaCFO & Head of Corp. Dev.08/27/2025DSDirectCOM3,618$25.10$90,811.8064,214
Cloonan MichaelPresident & CEO08/27/2025DSDirectCOM7,426$25.01$185,713.86547,343
Cloonan MichaelPresident & CEO08/27/2025AMDirectCOM7,426$6.11$45,372.86554,769
Ridloff ElenaCFO & Head of Corp. Dev.08/26/2025DSDirectCOM3,700$25.13$92,981.0067,832
Cloonan MichaelPresident & CEO08/26/2025DSDirectCOM17,574$24.96$438,647.04547,343
Cloonan MichaelPresident & CEO08/26/2025AMDirectCOM17,574$6.11$107,377.14564,917
Ridloff ElenaCFO & Head of Corp. Dev.08/20/2025DSDirectCOM17,500$22.69$397,075.0071,532
Cloonan MichaelPresident & CEO08/20/2025DSDirectCOM25,000$22.75$568,750.00547,343
Cloonan MichaelPresident & CEO08/20/2025AMDirectCOM25,000$6.11$152,750.00572,343
Ridloff ElenaCFO & Head of Corp. Dev.08/19/2025DSDirectCOM34,500$21.08$727,260.0089,032
Tpg Gp A, LlcOther06/27/2025APIndirectCOM60,000$15.84$950,400.006,744,962
Orbimed Advisors LlcDirector02/10/2025APIndirectCOM550,000$18.00$9,900,000.003,704,959
Orbimed Advisors LlcDirector02/10/2025ACIndirectCOM3,154,959$0.00$0.003,154,959
Booth BruceDirector02/10/2025APIndirectCOM60,000$18.00$1,080,000.00807,727
Booth BruceDirector02/10/2025ACIndirectCOM747,727$0.00$0.00747,727
Booth BruceDirector02/10/2025ACIndirectCOM2,886,293$0.00$0.002,886,293
Atlas Venture Fund Xi, L.P.Other02/10/2025APIndirectCOM60,000$18.00$1,080,000.00807,727
Atlas Venture Fund Xi, L.P.Other02/10/2025ACIndirectCOM747,727$0.00$0.00747,727
Atlas Venture Fund Xi, L.P.Other02/10/2025ACDirectCOM2,886,293$0.00$0.002,886,293
Thompson Peter A.Director02/10/2025APIndirectCOM550,000$18.00$9,900,000.003,704,959
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Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust 		Export Table Data to Excel Send to Excel