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sellWeak cluster of 310b5-1 plan

Jennifer Fitzpatrick sold $415k of SION

Chief Legal Officer at Sionna Therapeutics, Inc.. 10,250 shares at an average of $40.52, traded Dec 5, 2025, filed Dec 9, 2025.

Warning score
31
Value
$415k
10,250 shares
Holdings after
0
-100% from before
From 52-week low
+426%
low $7.66, close $40.29
From 52-week high
-9%
high $44.38, as of Dec 5, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $415k at market
    +16
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SIONOct 9, 2026 · close 4.90
Since filing Dec 9, 2025: -88.2%SPY +15.2% · excess -103.4%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0002061851-25-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 5, 2025MOption exercise
Common Stock10b5-1
+10,250$6.11$63k10,250Dec 9, 2025
Dec 5, 2025SOpen-market sale
Common Stock10b5-1
-10,250$40.52$415k0Dec 9, 2025
Dec 5, 2025MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-10,250$0.00$061,185Dec 9, 2025

Related signals

Other insiders at Sionna Therapeutics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
SIONsell
Sionna Therapeutics, Inc.
Ra Capital Management, L.p.
director, owner
$22M
3,448,811 shares
-50%
28Weak
SIONsell 210b5-1
Sionna Therapeutics, Inc.
Orbimed Advisors LLC
director
$1.5M
33,356 shares
-1%
28Weak
SIONsell 210b5-1
Sionna Therapeutics, Inc.
Peter A. Thompson
director
$1.5M
33,356 shares
-1%
19Weak
SIONsell 310b5-1
Sionna Therapeutics, Inc.
Orbimed Advisors LLC
director
$83k
1,875 shares
-0%
19Weak
SIONsell 310b5-1
Sionna Therapeutics, Inc.
Peter A. Thompson
director
$83k
1,875 shares
-0%
35Weak
SIONsell 410b5-1
Sionna Therapeutics, Inc.
Orbimed Advisors LLC
director
$4.8M
108,073 shares
-3%
35Weak
SIONsell 410b5-1
Sionna Therapeutics, Inc.
Peter A. Thompson
director
$4.8M
108,073 shares
-3%
55Moderate
SIONsell 3
Sionna Therapeutics, Inc.
Ra Capital Management, L.p.
director, owner
$1.2M
30,316 shares
-0%
55Moderate
SIONsell 3
Sionna Therapeutics, Inc.
Ra Capital Management, L.p.
director, owner
$5.5M
136,351 shares
-2%
55Moderate
SIONsell 3
Sionna Therapeutics, Inc.
Ra Capital Management, L.p.
director, owner
$15M
373,610 shares
-5%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Jennifer Fitzpatrick sold $415k of SION | InsiderTell