Elena Ridloff Sionna Therapeutics, Inc. (SION) insider trading activity

Shares Held (Direct Ownership) 38.5K

n/a 3M change

n/a 12M change

Total Value Held N/A

Elena Ridloff Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 02 2025	SELL Open market or private sale	$221,606 $25.08 p/Share	8,836 Reduced 18.65%	38,532 Common Stock
Aug 29 2025	SELL Open market or private sale	$18,834 $25.18 p/Share	748 Reduced 1.55%	47,368 Common Stock
Aug 28 2025	SELL Open market or private sale	$418,065 $25.97 p/Share	16,098 Reduced 25.07%	48,116 Common Stock
Aug 27 2025	SELL Open market or private sale	$90,811 $25.1 p/Share	3,618 Reduced 5.33%	64,214 Common Stock
Aug 26 2025	SELL Open market or private sale	$92,981 $25.13 p/Share	3,700 Reduced 5.17%	67,832 Common Stock
Aug 20 2025	SELL Open market or private sale	$397,075 $22.69 p/Share	17,500 Reduced 19.66%	71,532 Common Stock
Aug 19 2025	SELL Open market or private sale	$727,259 $21.08 p/Share	34,500 Reduced 27.93%	89,032 Common Stock

KRON

Kronos Bio, Inc. Healthcare

ACAD

ACADIA PHARMACEUTICALS INC Healthcare

EVP and CFO

KYMR

Kymera Therapeutics, Inc. Healthcare

CFO & Head of Corp. Dev.

San Diego, CA

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