NASDAQ:SION | Insider Transactions | Sionna Therapeutics, Inc.

SION Insider Transactions

428 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

SION insiders transaction timeline

PurchaseSale
2025-02-10: 25 purchases — COULTER JAMES G, WINKELRIED JON, TPG GP A, LLC and 16 more2025-06-27: 3 purchases — COULTER JAMES G, WINKELRIED JON, TPG GP A, LLC2025-08-19: 1 sale — Ridloff Elena2025-08-20: 2 sales — Cloonan Michael, Ridloff Elena2025-08-26: 2 sales — Cloonan Michael, Ridloff Elena2025-08-27: 2 sales — Cloonan Michael, Ridloff Elena2025-08-28: 1 sale — Ridloff Elena2025-08-29: 1 sale — Ridloff Elena2025-09-02: 1 sale — Ridloff Elena2025-09-04: 1 sale — Fitzpatrick Jennifer2025-09-26: 1 sale — Cloonan Michael2025-09-29: 3 sales — Booth Bruce, Cloonan Michael2025-09-30: 2 sales — Booth Bruce2025-10-01: 2 sales — Booth Bruce2025-10-03: 2 sales — Booth Bruce2025-10-06: 2 sales — Booth Bruce2025-10-10: 2 sales — Booth Bruce2025-10-13: 4 sales — Booth Bruce2025-10-14: 2 sales — Booth Bruce2025-10-15: 5 sales — Cloonan Michael, Booth Bruce2025-10-16: 10 sales — Booth Bruce, Cloonan Michael2025-10-17: 6 sales — Booth Bruce2025-10-20: 4 sales — Booth Bruce2025-10-21: 14 sales — Cloonan Michael, Booth Bruce2025-10-24: 24 sales — RA Capital Healthcare Fund LP, RA CAPITAL MANAGEMENT, L.P., Kolchinsky Peter and 3 more2025-10-28: 24 sales — RA Capital Healthcare Fund LP, RA CAPITAL MANAGEMENT, L.P., Kolchinsky Peter and 3 more2025-11-17: 72 sales — RA Capital Healthcare Fund LP, RA CAPITAL MANAGEMENT, L.P., Kolchinsky Peter and 3 more2025-11-18: 24 sales — RA Capital Healthcare Fund LP, RA CAPITAL MANAGEMENT, L.P., Kolchinsky Peter and 3 more2025-11-19: 48 sales — RA Capital Healthcare Fund LP, RA CAPITAL MANAGEMENT, L.P., Kolchinsky Peter and 3 more2025-11-20: 48 sales — RA Capital Healthcare Fund LP, RA CAPITAL MANAGEMENT, L.P., Kolchinsky Peter and 3 more2025-11-21: 24 sales — RA Capital Healthcare Fund LP, RA CAPITAL MANAGEMENT, L.P., Kolchinsky Peter and 3 more2025-11-24: 3 sales — ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC, Thompson Peter A.2025-11-25: 3 sales — ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC, Thompson Peter A.2025-11-26: 3 sales — ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC, Thompson Peter A.2025-12-05: 1 sale — Fitzpatrick Jennifer2025-12-17: 3 sales — ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC, Thompson Peter A.2025-12-18: 3 sales — ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC, Thompson Peter A.2025-12-19: 3 sales — ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC, Thompson Peter A.2025-12-24: 3 sales — ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC, Thompson Peter A.2026-01-22: 3 sales — COULTER JAMES G, WINKELRIED JON, TPG GP A, LLC2026-02-02: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-02-03: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-03-05: 1 sale — Fitzpatrick Jennifer2026-04-14: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-04-15: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-04-16: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-04-17: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-04-18: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-05-07: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-05-08: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-05-11: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-05-27: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-06-30: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2026-07-06: 1 sale — Fitzpatrick Jennifer2026-07-07: 3 sales — Thompson Peter A., ORBIMED ADVISORS LLC, OrbiMed Capital GP VIII LLC2025-02-102026-07-07
Insider profileRoleDateTransactionSharesPrice
Thompson Peter A.Director2026-07-07Sale85,918$44.86
ORBIMED ADVISORS LLCDirector2026-07-07Sale85,918$44.86
OrbiMed Capital GP VIII LLCDirector2026-07-07Sale85,918$44.86
Fitzpatrick JenniferChief Legal Officer2026-07-06Sale10,250$43.5963
Thompson Peter A.Director2026-06-30Sale115,844$45.50
ORBIMED ADVISORS LLCDirector2026-06-30Sale115,844$45.50
OrbiMed Capital GP VIII LLCDirector2026-06-30Sale115,844$45.50
Thompson Peter A.Director2026-05-27Sale101.0$44.49
ORBIMED ADVISORS LLCDirector2026-05-27Sale101.0$44.49
OrbiMed Capital GP VIII LLCDirector2026-05-27Sale101.0$44.49
Thompson Peter A.Director2026-05-11Sale184,639.0$46.22
ORBIMED ADVISORS LLCDirector2026-05-11Sale184,639.0$46.22
OrbiMed Capital GP VIII LLCDirector2026-05-11Sale184,639.0$46.22
Thompson Peter A.Director2026-05-08Sale59,767.0$44.58
ORBIMED ADVISORS LLCDirector2026-05-08Sale59,767.0$44.58
OrbiMed Capital GP VIII LLCDirector2026-05-08Sale59,767.0$44.58
Thompson Peter A.Director2026-05-07Sale48,546.0$44.61
ORBIMED ADVISORS LLCDirector2026-05-07Sale48,546.0$44.61
OrbiMed Capital GP VIII LLCDirector2026-05-07Sale48,546.0$44.61
Thompson Peter A.Director2026-04-18Sale2,948.0$44.52
ORBIMED ADVISORS LLCDirector2026-04-18Sale2,948.0$44.52
OrbiMed Capital GP VIII LLCDirector2026-04-18Sale2,948.0$44.52
Thompson Peter A.Director2026-04-17Sale52,397.0$44.68
ORBIMED ADVISORS LLCDirector2026-04-17Sale52,397.0$44.68
OrbiMed Capital GP VIII LLCDirector2026-04-17Sale52,397.0$44.68
Thompson Peter A.Director2026-04-16Sale226,906.0$45.34
ORBIMED ADVISORS LLCDirector2026-04-16Sale226,906.0$45.34
OrbiMed Capital GP VIII LLCDirector2026-04-16Sale226,906.0$45.34
Thompson Peter A.Director2026-04-15Sale235,863.0$44.64
ORBIMED ADVISORS LLCDirector2026-04-15Sale235,863.0$44.64
OrbiMed Capital GP VIII LLCDirector2026-04-15Sale235,863.0$44.64
Thompson Peter A.Director2026-04-14Sale47,814.0$44.51
ORBIMED ADVISORS LLCDirector2026-04-14Sale47,814.0$44.51
OrbiMed Capital GP VIII LLCDirector2026-04-14Sale47,814.0$44.51
Fitzpatrick JenniferChief Legal Officer2026-03-05Sale10,250.0$33.86
Thompson Peter A.Director2026-02-03Sale29,063.0$44.58
ORBIMED ADVISORS LLCDirector2026-02-03Sale29,063.0$44.58
OrbiMed Capital GP VIII LLCDirector2026-02-03Sale29,063.0$44.58
Thompson Peter A.Director2026-02-02Sale1,890.0$44.57
ORBIMED ADVISORS LLCDirector2026-02-02Sale1,890.0$44.57
OrbiMed Capital GP VIII LLCDirector2026-02-02Sale1,890.0$44.57
COULTER JAMES GTenPercentOwner2026-01-22Sale250,000.0$40.0
WINKELRIED JONTenPercentOwner2026-01-22Sale250,000.0$40.0
TPG GP A, LLCTenPercentOwner2026-01-22Sale250,000.0$40.0
ORBIMED ADVISORS LLCDirector2025-12-24Sale33,356.0$44.55
OrbiMed Capital GP VIII LLCDirector2025-12-24Sale33,356.0$44.55
Thompson Peter A.Director2025-12-24Sale33,356.0$44.55
ORBIMED ADVISORS LLCDirector2025-12-19Sale875.0$44.49
OrbiMed Capital GP VIII LLCDirector2025-12-19Sale875.0$44.49
Thompson Peter A.Director2025-12-19Sale875.0$44.49
ORBIMED ADVISORS LLCDirector2025-12-18Sale100.0$44.49
OrbiMed Capital GP VIII LLCDirector2025-12-18Sale100.0$44.49
Thompson Peter A.Director2025-12-18Sale100.0$44.49
ORBIMED ADVISORS LLCDirector2025-12-17Sale900.0$44.5
OrbiMed Capital GP VIII LLCDirector2025-12-17Sale900.0$44.5
Thompson Peter A.Director2025-12-17Sale900.0$44.5
Fitzpatrick JenniferChief Legal Officer2025-12-05Sale10,250.0$40.52
ORBIMED ADVISORS LLCDirector2025-11-26Sale1,600.0$44.49
OrbiMed Capital GP VIII LLCDirector2025-11-26Sale1,600.0$44.49
Thompson Peter A.Director2025-11-26Sale1,600.0$44.49
ORBIMED ADVISORS LLCDirector2025-11-25Sale11,890.0$44.6
OrbiMed Capital GP VIII LLCDirector2025-11-25Sale11,890.0$44.6
Thompson Peter A.Director2025-11-25Sale11,890.0$44.6
ORBIMED ADVISORS LLCDirector2025-11-24Sale94,583.0$44.54
OrbiMed Capital GP VIII LLCDirector2025-11-24Sale94,583.0$44.54
Thompson Peter A.Director2025-11-24Sale94,583.0$44.54
RA Capital Healthcare Fund LPDirector,TenPercentOwner2025-11-21Sale7,609.0$39.5
RA CAPITAL MANAGEMENT, L.P.Director,TenPercentOwner2025-11-21Sale7,609.0$39.5
Kolchinsky PeterDirector,TenPercentOwner2025-11-21Sale7,609.0$39.5
Shah Rajeev M.Director,TenPercentOwner2025-11-21Sale7,609.0$39.5
RA Capital Nexus Fund, L.P.Director2025-11-21Sale7,609.0$39.5
RA Capital Nexus Fund III, L.P.Director2025-11-21Sale7,609.0$39.5
RA Capital Healthcare Fund LPDirector,TenPercentOwner2025-11-21Sale6,440.0$39.5
RA CAPITAL MANAGEMENT, L.P.Director,TenPercentOwner2025-11-21Sale6,440.0$39.5
Kolchinsky PeterDirector,TenPercentOwner2025-11-21Sale6,440.0$39.5
Shah Rajeev M.Director,TenPercentOwner2025-11-21Sale6,440.0$39.5
RA Capital Nexus Fund, L.P.Director2025-11-21Sale6,440.0$39.5
RA Capital Nexus Fund III, L.P.Director2025-11-21Sale6,440.0$39.5
RA Capital Healthcare Fund LPDirector,TenPercentOwner2025-11-21Sale9,924.0$39.5
RA CAPITAL MANAGEMENT, L.P.Director,TenPercentOwner2025-11-21Sale9,924.0$39.5
Kolchinsky PeterDirector,TenPercentOwner2025-11-21Sale9,924.0$39.5
Shah Rajeev M.Director,TenPercentOwner2025-11-21Sale9,924.0$39.5
RA Capital Nexus Fund, L.P.Director2025-11-21Sale9,924.0$39.5
RA Capital Nexus Fund III, L.P.Director2025-11-21Sale9,924.0$39.5
RA Capital Healthcare Fund LPDirector,TenPercentOwner2025-11-21Sale1,210.0$39.5
RA CAPITAL MANAGEMENT, L.P.Director,TenPercentOwner2025-11-21Sale1,210.0$39.5
Kolchinsky PeterDirector,TenPercentOwner2025-11-21Sale1,210.0$39.5
Shah Rajeev M.Director,TenPercentOwner2025-11-21Sale1,210.0$39.5
RA Capital Nexus Fund, L.P.Director2025-11-21Sale1,210.0$39.5
RA Capital Nexus Fund III, L.P.Director2025-11-21Sale1,210.0$39.5
RA Capital Healthcare Fund LPDirector,TenPercentOwner2025-11-20Sale604.0$40.5
RA CAPITAL MANAGEMENT, L.P.Director,TenPercentOwner2025-11-20Sale604.0$40.5
Kolchinsky PeterDirector,TenPercentOwner2025-11-20Sale604.0$40.5
Shah Rajeev M.Director,TenPercentOwner2025-11-20Sale604.0$40.5
RA Capital Nexus Fund, L.P.Director2025-11-20Sale604.0$40.5
RA Capital Nexus Fund III, L.P.Director2025-11-20Sale604.0$40.5
RA Capital Healthcare Fund LPDirector,TenPercentOwner2025-11-20Sale512.0$40.5
RA CAPITAL MANAGEMENT, L.P.Director,TenPercentOwner2025-11-20Sale512.0$40.5
Kolchinsky PeterDirector,TenPercentOwner2025-11-20Sale512.0$40.5
Shah Rajeev M.Director,TenPercentOwner2025-11-20Sale512.0$40.5