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SION

HEALTHY

Sionna Therapeutics, Inc.

CIK: 0002036042

Strong Sell (90% confidence)

Last activity: 1 weeks ago

Financial Metrics

As of Sep 30, 2025 (10-Q)

Net Income -$54.83M
Total Cash $325.00M
Current Ratio 25.61

Insider Roster (5 total, 5 active)

Insider Buys Sells Net Value Holdings
TPG GP A, LLC
TEN_PERCENT_OWNER
 		0 1 -$10.00M
6,494,962 shares
$259.80M
ORBIMED ADVISORS LLC
DIRECTOR
 		0 9 -$7.76M
3,530,702 shares
$157.40M
Thompson Peter A.
DIRECTOR
 		0 9 -$7.76M
3,530,702 shares
$157.40M
RA CAPITAL MANAGEMENT, L.P.
OTHER
 		0 36 -$6.70M
650,307 shares
$25.69M
Fitzpatrick Jennifer
Chief Legal Officer
 		0 1 -$415K
Holdings: -
Value: -

Recent Transactions

SELL ORBIMED ADVISORS LLC (DIRECTOR)

29,063 shares @ $44.58

$1.30M

Feb 3, 2026

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

29,063 shares @ $44.58

$1.30M

Feb 3, 2026

Conviction: | View SEC Filing →
SELL ORBIMED ADVISORS LLC (DIRECTOR)

1,890 shares @ $44.57

$84K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

1,890 shares @ $44.57

$84K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL TPG GP A, LLC (TEN_PERCENT_OWNER)

250,000 shares @ $40.00

$10.00M

Jan 22, 2026

Conviction: | View SEC Filing →
SELL ORBIMED ADVISORS LLC (DIRECTOR)

33,356 shares @ $44.55

$1.49M

Dec 24, 2025

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

33,356 shares @ $44.55

$1.49M

Dec 24, 2025

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

875 shares @ $44.49

$39K

Dec 19, 2025

Conviction: | View SEC Filing →
SELL ORBIMED ADVISORS LLC (DIRECTOR)

875 shares @ $44.49

$39K

Dec 19, 2025

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

100 shares @ $44.49

$4K

Dec 18, 2025

Conviction: | View SEC Filing →
SELL ORBIMED ADVISORS LLC (DIRECTOR)

100 shares @ $44.49

$4K

Dec 18, 2025

Conviction: | View SEC Filing →
SELL ORBIMED ADVISORS LLC (DIRECTOR)

900 shares @ $44.50

$40K

Dec 17, 2025

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

900 shares @ $44.50

$40K

Dec 17, 2025

Conviction: | View SEC Filing →
SELL Fitzpatrick Jennifer (Chief Legal Officer)

10,250 shares @ $40.52

$415K

Dec 5, 2025

Conviction: | View SEC Filing →
SELL ORBIMED ADVISORS LLC (DIRECTOR)

1,600 shares @ $44.49

$71K

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

1,600 shares @ $44.49

$71K

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

11,890 shares @ $44.60

$530K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL ORBIMED ADVISORS LLC (DIRECTOR)

11,890 shares @ $44.60

$530K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL ORBIMED ADVISORS LLC (DIRECTOR)

94,583 shares @ $44.54

$4.21M

Nov 24, 2025

Conviction: | View SEC Filing →
SELL Thompson Peter A. (DIRECTOR)

94,583 shares @ $44.54

$4.21M

Nov 24, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

9,924 shares @ $39.50

$392K

Nov 21, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

7,609 shares @ $39.50

$301K

Nov 21, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

6,440 shares @ $39.50

$254K

Nov 21, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

1,210 shares @ $39.50

$48K

Nov 21, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

1,235 shares @ $39.89

$49K

Nov 20, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

947 shares @ $39.89

$38K

Nov 20, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

801 shares @ $39.89

$32K

Nov 20, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

788 shares @ $40.50

$32K

Nov 20, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

604 shares @ $40.50

$24K

Nov 20, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

512 shares @ $40.50

$21K

Nov 20, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

150 shares @ $39.89

$6K

Nov 20, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

96 shares @ $40.50

$4K

Nov 20, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

18,684 shares @ $40.01

$748K

Nov 19, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

14,325 shares @ $40.01

$573K

Nov 19, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

12,126 shares @ $40.01

$485K

Nov 19, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

2,276 shares @ $40.01

$91K

Nov 19, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

12 shares @ $40.61

$487

Nov 19, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

9 shares @ $40.61

$365

Nov 19, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

8 shares @ $40.61

$325

Nov 19, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

2 shares @ $40.61

$81

Nov 19, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

2,728 shares @ $39.57

$108K

Nov 18, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

2,092 shares @ $39.57

$83K

Nov 18, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

1,770 shares @ $39.57

$70K

Nov 18, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

332 shares @ $39.57

$13K

Nov 18, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

17,913 shares @ $40.20

$720K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

13,964 shares @ $41.05

$573K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

13,734 shares @ $40.20

$552K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

11,626 shares @ $40.20

$467K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

10,707 shares @ $41.05

$440K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

9,063 shares @ $41.05

$372K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

2,182 shares @ $40.20

$88K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

1,701 shares @ $41.05

$70K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

433 shares @ $42.10

$18K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

331 shares @ $42.10

$14K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

280 shares @ $42.10

$12K

Nov 17, 2025

Conviction: | View SEC Filing →
SELL RA CAPITAL MANAGEMENT, L.P. (OTHER)

53 shares @ $42.10

$2K

Nov 17, 2025

Conviction: | View SEC Filing →

⚠️ Important Disclaimer

• This is AI-generated analysis for educational purposes only, not financial advice.

• Insider trading data is derived from SEC Form 4 filings and may contain errors.

• Always conduct your own research and consult qualified financial advisors before making investment decisions.