Home/Filings/4/0001704336-25-000008
4//SEC Filing

Cloonan Michael 4

Accession 0001704336-25-000008

CIK 0002036042other

Filed

Oct 21, 8:00 PM ET

Accepted

Oct 22, 5:39 PM ET

Size

25.0 KB

Accession

0001704336-25-000008

Insider Transaction Report

Form 4
Period: 2025-10-21
Cloonan Michael
DirectorPresident & CEO
Transactions
  • Exercise/Conversion

    Non-Qualified Stock Option (right to buy)

    2025-10-2122,89586,674 total
    Exercise: $6.11Exp: 2032-03-01Common Stock (22,895 underlying)
  • Sale

    Common Stock

    2025-10-21$34.44/sh13,324$458,879547,343 total
  • Sale

    Common Stock

    2025-10-21$35.63/sh30,049$1,070,646547,343 total
  • Exercise/Conversion

    Non-Qualified Stock Option (right to buy)

    2025-10-2130,049109,569 total
    Exercise: $6.11Exp: 2032-03-01Common Stock (30,049 underlying)
  • Exercise/Conversion

    Common Stock

    2025-10-21$6.11/sh+33,532$204,881580,875 total
  • Exercise/Conversion

    Non-Qualified Stock Option (right to buy)

    2025-10-2133,53253,142 total
    Exercise: $6.11Exp: 2032-03-01Common Stock (33,532 underlying)
  • Sale

    Common Stock

    2025-10-21$36.60/sh22,895$837,957547,343 total
  • Exercise/Conversion

    Non-Qualified Stock Option (right to buy)

    2025-10-2113,324139,618 total
    Exercise: $6.11Exp: 2032-03-01Common Stock (13,324 underlying)
  • Exercise/Conversion

    Common Stock

    2025-10-21$6.11/sh+13,324$81,410560,667 total
  • Exercise/Conversion

    Common Stock

    2025-10-21$6.11/sh+30,049$183,599577,392 total
  • Exercise/Conversion

    Common Stock

    2025-10-21$6.11/sh+22,895$139,888570,238 total
  • Sale

    Common Stock

    2025-10-21$37.31/sh33,532$1,251,079547,343 total
Footnotes (6)
  • [F1]This transaction was automatically executed pursuant to a Rule 10b5-1 trading plan adopted on May 21, 2025.
  • [F2]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $34.00 to $34.95, 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.
  • [F3]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $35.00 to $35.99, 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.
  • [F4]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $36.00 to $36.99, 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.
  • [F5]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $37.00 to $37.80, 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.
  • [F6]The shares underlying this option vest in forty-eight equal monthly installments following February 2, 2022, subject to the Reporting Person's continued service on each such vesting date.

Issuer

Sionna Therapeutics, Inc.

CIK 0002036042

Entity typeother

Related Parties

1
  • filerCIK 0001704336

Filing Metadata

Form type
4
Filed
Oct 21, 8:00 PM ET
Accepted
Oct 22, 5:39 PM ET
Size
25.0 KB