InsiderTrades

Form 4 for SION Sionna Therapeutics, Inc.

Accepted 2026-07-07 16:38:24 ET · period of report 2026-07-06 · accession 0002061851-26-000006 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-07-07 16:38 2026-07-06 SION Fitzpatrick Jennifer CLO M - OptEx $6.11 +10.2K 10.2K New +$62.6K
DT 2026-07-07 16:38 2026-07-06 SION Fitzpatrick Jennifer CLO S - Sale+OE $43.60 -10.2K 0 -100% -$446.9K
DT 2026-07-07 16:38 2026-07-06 SION Fitzpatrick Jennifer CLO M - OptEx $0.00 -10.2K 40.7K -20% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-07-06 M A 10,250 $6.11 10,250 D — — (F1) This transaction was automatically executed pursuant to a Rule 10b5-1 trading plan adopted on June 5, 2025.
2 Common Common Stock 2026-07-06 S D 10,250 $43.60 0 D — — (F1) This transaction was automatically executed pursuant to a Rule 10b5-1 trading plan adopted on June 5, 2025. (F2) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $42.89 to $44.22, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.
3 Derivative Non-Qualified Stock Option (right to buy) 2026-07-06 M D 10,250 $0.00 40,685 D $6.11 · — to 2034-07-14 10,250 Common Stock (F1) This transaction was automatically executed pursuant to a Rule 10b5-1 trading plan adopted on June 5, 2025. (F3) 25% of the shares underlying this option vested on June 3, 2025, with the remainder vesting in thirty-six equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.