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Ticker	Company	Reporting Owner	Date	Value (USD)	Type	Form 4
SION M Sionna Therapeutics, Inc. Fitzpatrick Jennifer • Officer • Chief Legal Officer Other 2026-03-05 $62,628 View Form 4 →
SION	Sionna Therapeutics, Inc.	Fitzpatrick Jennifer Officer • Chief Legal Officer Other	2026-03-05	$62,628	M	Form 4
SION S Sionna Therapeutics, Inc. Fitzpatrick Jennifer • Officer • Chief Legal Officer 10b5-1 Sell 2026-03-05 $347,019 View Form 4 →
SION	Sionna Therapeutics, Inc.	Fitzpatrick Jennifer Officer • Chief Legal Officer 10b5-1 Sell	2026-03-05	$347,019	S	Form 4
SION S Sionna Therapeutics, Inc. Thompson Peter A. • Director 10b5-1 Sell 2026-02-03 $1,295,629Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Thompson Peter A. Director 10b5-1 Sell	2026-02-03	$1,295,629Large	S	Form 4
SION S Sionna Therapeutics, Inc. ORBIMED ADVISORS LLC • Director 10b5-1 Sell 2026-02-03 $1,295,629Large View Form 4 →
SION	Sionna Therapeutics, Inc.	ORBIMED ADVISORS LLC Director 10b5-1 Sell	2026-02-03	$1,295,629Large	S	Form 4
SION S Sionna Therapeutics, Inc. Thompson Peter A. • Director 10b5-1 Sell 2026-02-02 $84,237 View Form 4 →
SION	Sionna Therapeutics, Inc.	Thompson Peter A. Director 10b5-1 Sell	2026-02-02	$84,237	S	Form 4
SION S Sionna Therapeutics, Inc. ORBIMED ADVISORS LLC • Director 10b5-1 Sell 2026-02-02 $84,237 View Form 4 →
SION	Sionna Therapeutics, Inc.	ORBIMED ADVISORS LLC Director 10b5-1 Sell	2026-02-02	$84,237	S	Form 4
SION S Sionna Therapeutics, Inc. TPG GP A, LLC • 10% Owner Discretionary Sell 2026-01-22 $10,000,000MEGA View Form 4 →
SION	Sionna Therapeutics, Inc.	TPG GP A, LLC 10% Owner Discretionary Sell	2026-01-22	$10,000,000MEGA	S	Form 4
SION S Sionna Therapeutics, Inc. ORBIMED ADVISORS LLC • Director 10b5-1 Sell 2025-12-19 $38,929 View Form 4 →
SION	Sionna Therapeutics, Inc.	ORBIMED ADVISORS LLC Director 10b5-1 Sell	2025-12-19	$38,929	S	Form 4
SION S Sionna Therapeutics, Inc. Thompson Peter A. • Director 10b5-1 Sell 2025-12-19 $38,929 View Form 4 →
SION	Sionna Therapeutics, Inc.	Thompson Peter A. Director 10b5-1 Sell	2025-12-19	$38,929	S	Form 4
SION S Sionna Therapeutics, Inc. ORBIMED ADVISORS LLC • Director 10b5-1 Sell 2025-12-18 $4,449 View Form 4 →
SION	Sionna Therapeutics, Inc.	ORBIMED ADVISORS LLC Director 10b5-1 Sell	2025-12-18	$4,449	S	Form 4
SION S Sionna Therapeutics, Inc. Thompson Peter A. • Director 10b5-1 Sell 2025-12-18 $4,449 View Form 4 →
SION	Sionna Therapeutics, Inc.	Thompson Peter A. Director 10b5-1 Sell	2025-12-18	$4,449	S	Form 4
SION S Sionna Therapeutics, Inc. Thompson Peter A. • Director 10b5-1 Sell 2025-12-17 $40,050 View Form 4 →
SION	Sionna Therapeutics, Inc.	Thompson Peter A. Director 10b5-1 Sell	2025-12-17	$40,050	S	Form 4
SION S Sionna Therapeutics, Inc. ORBIMED ADVISORS LLC • Director 10b5-1 Sell 2025-12-17 $40,050 View Form 4 →
SION	Sionna Therapeutics, Inc.	ORBIMED ADVISORS LLC Director 10b5-1 Sell	2025-12-17	$40,050	S	Form 4
SION S Sionna Therapeutics, Inc. Thompson Peter A. • Director 10b5-1 Sell 2025-11-26 $71,184 View Form 4 →
SION	Sionna Therapeutics, Inc.	Thompson Peter A. Director 10b5-1 Sell	2025-11-26	$71,184	S	Form 4
SION S Sionna Therapeutics, Inc. ORBIMED ADVISORS LLC • Director 10b5-1 Sell 2025-11-26 $71,184 View Form 4 →
SION	Sionna Therapeutics, Inc.	ORBIMED ADVISORS LLC Director 10b5-1 Sell	2025-11-26	$71,184	S	Form 4
SION S Sionna Therapeutics, Inc. ORBIMED ADVISORS LLC • Director 10b5-1 Sell 2025-11-25 $530,294 View Form 4 →
SION	Sionna Therapeutics, Inc.	ORBIMED ADVISORS LLC Director 10b5-1 Sell	2025-11-25	$530,294	S	Form 4
SION S Sionna Therapeutics, Inc. Thompson Peter A. • Director 10b5-1 Sell 2025-11-25 $530,294 View Form 4 →
SION	Sionna Therapeutics, Inc.	Thompson Peter A. Director 10b5-1 Sell	2025-11-25	$530,294	S	Form 4
SION S Sionna Therapeutics, Inc. Thompson Peter A. • Director 10b5-1 Sell 2025-11-24 $4,212,727Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Thompson Peter A. Director 10b5-1 Sell	2025-11-24	$4,212,727Large	S	Form 4
SION S Sionna Therapeutics, Inc. ORBIMED ADVISORS LLC • Director 10b5-1 Sell 2025-11-24 $4,212,727Large View Form 4 →
SION	Sionna Therapeutics, Inc.	ORBIMED ADVISORS LLC Director 10b5-1 Sell	2025-11-24	$4,212,727Large	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-21 $254,380 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-21	$254,380	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-21 $391,998 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-21	$391,998	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-21 $47,795 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-21	$47,795	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-21 $300,556 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-21	$300,556	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-20 $31,952 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-20	$31,952	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-20 $49,264 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-20	$49,264	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-20 $20,736 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-20	$20,736	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-20 $24,462 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-20	$24,462	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-20 $5,984 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-20	$5,984	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-20 $31,914 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-20	$31,914	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-20 $3,888 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-20	$3,888	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-20 $37,776 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-20	$37,776	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-19 $81 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-19	$81	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-19 $325 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-19	$325	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-19 $365 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-19	$365	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-19 $91,063 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-19	$91,063	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-19 $747,547 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-19	$747,547	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-19 $485,161 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-19	$485,161	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-19 $573,143 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-19	$573,143	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-19 $487 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-19	$487	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-18 $107,947 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-18	$107,947	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-18 $13,137 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-18	$13,137	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-18 $70,039 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-18	$70,039	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-18 $82,780 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-18	$82,780	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $13,935 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$13,935	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $11,788 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$11,788	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $18,229 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$18,229	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $2,231 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$2,231	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $439,522 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$439,522	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $372,036 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$372,036	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $573,222 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$573,222	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $69,826 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$69,826	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $552,107 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$552,107	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $467,365 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$467,365	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $720,103 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$720,103	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-11-17 $87,716 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-11-17	$87,716	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-10-28 $414,640 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-10-28	$414,640	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-10-28 $677,530 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-10-28	$677,530	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-10-28 $1,242,495Large View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-10-28	$1,242,495Large	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-10-28 $143,438 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-10-28	$143,438	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary SellΔOwn -32.9% 2025-10-24 $4,263,670Large View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary SellΔOwn -32.9%	2025-10-24	$4,263,670Large	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-10-24 $2,633,544Large View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-10-24	$2,633,544Large	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary SellΔOwn -14.1% 2025-10-24 $4,829,704Large View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary SellΔOwn -14.1%	2025-10-24	$4,829,704Large	S	Form 4
SION S Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. • Director Discretionary Sell 2025-10-24 $557,582 View Form 4 →
SION	Sionna Therapeutics, Inc.	RA CAPITAL MANAGEMENT, L.P. Director Discretionary Sell	2025-10-24	$557,582	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-10-21 $139,888 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-10-21	$139,888	M	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $730,262 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$730,262	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $153,251 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$153,251	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $675,639 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$675,639	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $141,814 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$141,814	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $201,186 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$201,186	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $42,241 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$42,241	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $903,921 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$903,921	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $189,728 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$189,728	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $3,023 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$3,023	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-21 $619 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-21	$619	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-10-21 $81,410 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-10-21	$81,410	M	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-10-21 $458,879 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-10-21	$458,879	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-10-21 $183,599 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-10-21	$183,599	M	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-10-21 $1,070,646Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-10-21	$1,070,646Large	S	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-10-21 $837,957 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-10-21	$837,957	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-10-21 $204,881 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-10-21	$204,881	M	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-10-21 $1,251,079Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-10-21	$1,251,079Large	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-20 $651,218 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-20	$651,218	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-20 $174,970 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-20	$174,970	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-20 $136,697 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-20	$136,697	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-20 $833,726 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-20	$833,726	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-17 $147,293 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-17	$147,293	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-17 $701,662 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-17	$701,662	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-17 $194,173 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-17	$194,173	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-17 $925,154 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-17	$925,154	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-17 $1,740 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-17	$1,740	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-17 $8,301 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-17	$8,301	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-16 $1,429,758Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-16	$1,429,758Large	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-16 $259,169 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-16	$259,169	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-16 $90,293 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-16	$90,293	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-16 $430,201 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-16	$430,201	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-16 $505,211 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-16	$505,211	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-16 $2,407,041Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-16	$2,407,041Large	S	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-10-16 $6,800 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-10-16	$6,800	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-10-16 $1,222 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-10-16	$1,222	M	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-10-16 $321,691 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-10-16	$321,691	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-10-16 $62,475 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-10-16	$62,475	M	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-16 $300,104 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-16	$300,104	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-16 $54,391 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-16	$54,391	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-15 $1,996,099Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-15	$1,996,099Large	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-15 $196,149 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-15	$196,149	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-10-15 $90,275 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-10-15	$90,275	M	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-10-15 $459,662 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-10-15	$459,662	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-15 $418,954 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-15	$418,954	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-15 $934,596 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-15	$934,596	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-14 $15,005 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-14	$15,005	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-14 $3,145 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-14	$3,145	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-13 $126,664 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-13	$126,664	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-13 $26,593 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-13	$26,593	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-13 $280,308 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-13	$280,308	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-13 $1,335,535Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-13	$1,335,535Large	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-10 $501,475 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-10	$501,475	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-10 $105,260 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-10	$105,260	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-06 $292,102 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-06	$292,102	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-06 $61,308 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-06	$61,308	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-03 $196,440 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-03	$196,440	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-03 $935,940 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-03	$935,940	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-01 $1,048 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-01	$1,048	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-10-01 $4,942 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-10-01	$4,942	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-09-30 $64,599 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-09-30	$64,599	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-09-30 $307,784 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-09-30	$307,784	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-09-29 $47,615 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-09-29	$47,615	M	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-09-29 $231,451 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-09-29	$231,451	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-09-29 $1,644,027Large View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-09-29	$1,644,027Large	S	Form 4
SION S Sionna Therapeutics, Inc. Booth Bruce • Director 10b5-1 Sell 2025-09-29 $345,072 View Form 4 →
SION	Sionna Therapeutics, Inc.	Booth Bruce Director 10b5-1 Sell	2025-09-29	$345,072	S	Form 4
SION M Sionna Therapeutics, Inc. Cloonan Michael • CEO Other 2025-09-26 $105,135 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO Other	2025-09-26	$105,135	M	Form 4
SION S Sionna Therapeutics, Inc. Cloonan Michael • CEO 10b5-1 Sell 2025-09-26 $496,346 View Form 4 →
SION	Sionna Therapeutics, Inc.	Cloonan Michael CEO 10b5-1 Sell	2025-09-26	$496,346	S	Form 4