Insider Buying and Selling - Thompson Peter A. - Insider Drift

Sionna Therapeutics, Inc. - SION

Director

Direct Buys

0

$0

0 Shares

Direct Sells

0

$0

0 Shares

Indirect Buys

0

$0

0 Shares

Indirect Sells

18

($46.55) M

-1,033,238 Shares

Monthly Values

Transaction	Filed	Type	Shares @ Price	Value	Balance ( Change % )	Ownership
05/27/2026 10b5-1	05/29/2026	Sell	-101 @ $44.49	($4,493)	2,671,721 (-0.00%)	Indirect - See footnotes
05/11/2026 10b5-1	05/11/2026	Sell	-184,639 @ $46.22	($8,534,015)	2,671,822 (-6.46%)	Indirect - See footnotes(
05/08/2026 10b5-1	05/11/2026	Sell	-59,767 @ $44.58	($2,664,413)	2,856,461 (-2.05%)	Indirect - See footnotes(
05/07/2026 10b5-1	05/11/2026	Sell	-48,546 @ $44.61	($2,165,637)	2,916,228 (-1.64%)	Indirect - See footnotes(
04/18/2026 10b5-1	04/21/2026	Sell	-2,948 @ $44.52	($131,245)	2,964,774 (-0.10%)	Indirect - See footnotes
04/17/2026 10b5-1	04/21/2026	Sell	-52,397 @ $44.68	($2,341,098)	2,967,722 (-1.73%)	Indirect - See footnotes
04/16/2026 10b5-1	04/16/2026	Sell	-226,906 @ $45.34	($10,287,918)	3,020,119 (-6.99%)	Indirect - See footnotes
04/15/2026 10b5-1	04/16/2026	Sell	-235,863 @ $44.64	($10,528,924)	3,247,025 (-6.77%)	Indirect - See footnotes
04/14/2026 10b5-1	04/16/2026	Sell	-47,814 @ $44.51	($2,128,201)	3,482,888 (-1.35%)	Indirect - See footnotes
02/03/2026	02/04/2026	Sell	-29,063 @ $44.58	($1,295,629)	3,530,702 (-0.82%)	Indirect - See footnotes
02/02/2026	02/04/2026	Sell	-1,890 @ $44.57	($84,237)	3,559,765 (-0.05%)	Indirect - See footnotes
12/24/2025	12/29/2025	Sell	-33,356 @ $44.55	($1,486,010)	3,561,655 (-0.93%)	Indirect - See footnotes
12/19/2025	12/19/2025	Sell	-875 @ $44.49	($38,929)	3,595,011 (-0.02%)	Indirect - See footnotes
12/18/2025	12/19/2025	Sell	-100 @ $44.49	($4,449)	3,595,886 (-0.00%)	Indirect - See footnotes
12/17/2025	12/19/2025	Sell	-900 @ $44.50	($40,050)	3,595,986 (-0.03%)	Indirect - See footnotes
11/26/2025	11/26/2025	Sell	-1,600 @ $44.49	($71,184)	3,596,886 (-0.04%)	Indirect - See footnotes
11/25/2025	11/26/2025	Sell	-11,890 @ $44.60	($530,294)	3,598,486 (-0.33%)	Indirect - See footnotes
11/24/2025	11/26/2025	Sell	-94,583 @ $44.54	($4,212,727)	3,610,376 (-2.55%)	Indirect - See footnotes