Form 4 Tracker
Sionna Therapeutics, Inc.
SION

26 insider filings · Latest: Jul 7, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Apr 16, 2026Apr 16 11:15 PMPeter A. ThompsonDirector
Sale
226,906$45.34$10.3M3,020,119(I)

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Apr 15, 2026Apr 16 11:15 PMPeter A. ThompsonDirector
Sale
235,863$44.64$10.5M3,247,025(I)

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Apr 14, 2026Apr 16 11:15 PMPeter A. ThompsonDirector
Sale
47,814$44.51$2.1M3,482,888(I)

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Apr 16, 2026Apr 16 11:03 PMORBIMED ADVISORS LLCDirector
Sale
226,906$45.34$10.3M3,020,119(I)

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Apr 15, 2026Apr 16 11:03 PMORBIMED ADVISORS LLCDirector
Sale
235,863$44.64$10.5M3,247,025(I)

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Apr 14, 2026Apr 16 11:03 PMORBIMED ADVISORS LLCDirector
Sale
47,814$44.51$2.1M3,482,888(I)

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Mar 5, 2026Mar 6 11:56 PMJennifer FitzpatrickChief Legal Officer
Sale
10,250$33.86$347.0K0(D)

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Mar 5, 2026Mar 5 9:28 PMJENNIFER FITZPATRICK
Proposed Sale
10,250$34.57$354.3K

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Feb 3, 2026Feb 5 12:43 AMPeter A. ThompsonDirector
Sale
29,063$44.58$1.3M3,530,702(I)

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Feb 2, 2026Feb 5 12:43 AMPeter A. ThompsonDirector
Sale
1,890$44.57$84.2K3,559,765(I)

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Feb 3, 2026Feb 5 12:39 AMORBIMED ADVISORS LLCDirector
Sale
29,063$44.58$1.3M3,530,702(I)

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Feb 2, 2026Feb 5 12:39 AMORBIMED ADVISORS LLCDirector
Sale
1,890$44.57$84.2K3,559,765(I)

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Jan 22, 2026Jan 26 10:24 PMTPG GP A, LLC10% Owner
Sale
250,000$40.00$10.0M6,494,962(I)

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Jan 22, 2026Jan 23 1:47 AMRise Fund Sling, L.P.
Proposed Sale
195,667$41.77$8.2M

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Jan 22, 2026Jan 23 1:47 AMRise Fund Sling II, L.P.
Proposed Sale
54,333$41.77$2.3M

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Dec 5, 2025Dec 5 9:27 PMJENNIFER R FITZPATRICK
Proposed Sale
10,250$40.88$419.0K

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Nov 24, 2025Nov 25 1:22 AMOrbiMed Private Investments VIII, LP
Proposed Sale
1,047,770$44.38$46.5M

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Nov 21, 2025Nov 21 9:24 PMRA Capital Healthcare Fund LP
Proposed Sale
1,210$43.66$52.8K

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Nov 21, 2025Nov 21 9:21 PMRA Capital Nexus Fund III, L.P.
Proposed Sale
6,440$43.66$281.2K

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Nov 21, 2025Nov 21 9:19 PMRA Capital Nexus Fund, L.P.
Proposed Sale
9,924$43.66$433.3K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 6, 2026Jul 7 8:38 PMJennifer FitzpatrickChief Legal Officer
Option Exercise
10,250$6.1140,685(D)

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Jun 17, 2026Jun 18 9:58 PMLaurie StelzerDirector
Grant/Award
17,340$36.7317,340(D)

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Jun 17, 2026Jun 18 9:48 PMJoanne L. VineyDirector
Grant/Award
17,340$36.7317,340(D)

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Jun 17, 2026Jun 18 9:45 PMPeter A. ThompsonDirector
Grant/Award
17,340$36.7317,340(D)

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Jun 17, 2026Jun 18 9:41 PMRA CAPITAL MANAGEMENT, L.P.Director, 10% Owner
Grant/Award
17,340$36.7317,340(I)

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Jun 17, 2026Jun 18 9:39 PMMarcella K. RuddyDirector
Grant/Award
17,340$36.7317,340(D)

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Jun 17, 2026Jun 18 9:37 PMJoshua ResnickDirector
Grant/Award
17,340$36.7317,340(D)

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Jun 17, 2026Jun 18 9:35 PMHarold Edward FlemingDirector
Grant/Award
17,340$36.7317,340(D)

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Jun 17, 2026Jun 18 9:33 PMPaul J ClancyDirector
Grant/Award
17,340$36.7317,340(D)

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Jun 17, 2026Jun 18 9:29 PMBruce BoothDirector
Grant/Award
17,340$36.7317,340(D)

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Mar 5, 2026Mar 6 11:56 PMJennifer FitzpatrickChief Legal Officer
Option Exercise
10,250$6.1150,935(D)

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