Sionna Therapeutics (SION) executive compensation, 2026 proxy

Michael Cloonan, M.B.A., President and Chief Executive Officer, was paid $7M in 2025, up 87% from $3.7M the year before.

Filed
April 27, 2026
Annual meeting
June 17, 2026
Pay year
2025
Named executives
3
CEO total pay
$7M+87% vs prior year
CEO 2025 Bonus Payout
$374,062Based on corporate objectives achievement.
CFO 2025 Option Awards
$2,085,765Grant date fair value.
Corporate Performance Achievement
112.5%For fiscal year 2025 annual bonuses.
CEO Target Bonus Percentage
50%Of annual base salary for 2025.

How M.B.A. was paid

$7M in total for 2025, as reported in the Summary Compensation Table. Equity awards are valued at grant, not at what they turned out to be worth.

Salary9%Option awards85%Non-equity incentive5%All other compensation0%

Named executive officers

ExecutiveTotal
Michael Cloonan, M.B.A.President and Chief Executive Officer$6,981,217
Elena Ridloff, C.F.A.Chief Financial Officer$2,857,367
Caroline Stark Beer, M.B.A.Chief Business Officer$5,592,896

What changed and why

  • $7MCEO Michael Cloonan received total compensation of $6,981,217 in fiscal 2025, an increase from $3,726,785 in 2024.
  • $6MThe increase was primarily driven by higher option awards of $5,950,575 and a base salary of $646,580.
  • 112.5%Corporate performance objectives for the annual bonus were achieved at 112.5% of target.
  • $30,000Chief Business Officer Caroline Stark Beer received a one-time sign-on bonus of $30,000.

About this page

Figures are automated and can be wrong; check the filing for the exact numbers. Totals follow SEC rules, which value stock and option awards at grant. Read the DEF 14A proxy statement for footnotes and the compensation committee's full reasoning.