Form 4 Tracker
Sionna Therapeutics, Inc.
SION

8 insider filings · Latest: May 27, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 27, 2026May 29 9:02 PMPeter A. ThompsonDirector
Sale
101$44.49$4.5K2,671,721(I)

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May 27, 2026May 29 8:57 PMORBIMED ADVISORS LLCDirector
Sale
101$44.49$4.5K2,671,721(I)

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May 11, 2026May 11 7:14 PMPeter A. ThompsonDirector
Sale
184,639$46.22$8.5M2,671,822(I)

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May 8, 2026May 11 7:14 PMPeter A. ThompsonDirector
Sale
59,767$44.58$2.7M2,856,461(I)

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May 7, 2026May 11 7:14 PMPeter A. ThompsonDirector
Sale
48,546$44.61$2.2M2,916,228(I)

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May 11, 2026May 11 6:58 PMORBIMED ADVISORS LLCDirector
Sale
184,639$46.22$8.5M2,671,822(I)

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May 8, 2026May 11 6:58 PMORBIMED ADVISORS LLCDirector
Sale
59,767$44.58$2.7M2,856,461(I)

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May 7, 2026May 11 6:58 PMORBIMED ADVISORS LLCDirector
Sale
48,546$44.61$2.2M2,916,228(I)

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Apr 18, 2026Apr 21 8:42 PMPeter A. ThompsonDirector
Sale
2,948$44.52$131.2K2,964,774(I)

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Apr 17, 2026Apr 21 8:42 PMPeter A. ThompsonDirector
Sale
52,397$44.68$2.3M2,967,722(I)

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Apr 18, 2026Apr 21 8:40 PMORBIMED ADVISORS LLCDirector
Sale
2,948$44.52$131.2K2,964,774(I)

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Apr 17, 2026Apr 21 8:40 PMORBIMED ADVISORS LLCDirector
Sale
52,397$44.68$2.3M2,967,722(I)

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Apr 16, 2026Apr 16 7:15 PMPeter A. ThompsonDirector
Sale
226,906$45.34$10.3M3,020,119(I)

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Apr 15, 2026Apr 16 7:15 PMPeter A. ThompsonDirector
Sale
235,863$44.64$10.5M3,247,025(I)

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Apr 14, 2026Apr 16 7:15 PMPeter A. ThompsonDirector
Sale
47,814$44.51$2.1M3,482,888(I)

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Apr 16, 2026Apr 16 7:03 PMORBIMED ADVISORS LLCDirector
Sale
226,906$45.34$10.3M3,020,119(I)

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Apr 15, 2026Apr 16 7:03 PMORBIMED ADVISORS LLCDirector
Sale
235,863$44.64$10.5M3,247,025(I)

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Apr 14, 2026Apr 16 7:03 PMORBIMED ADVISORS LLCDirector
Sale
47,814$44.51$2.1M3,482,888(I)

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Stock Options & Derivatives

No transactions found.