Michael Cloonan Sionna Therapeutics, Inc. (SION) insider trading activity

Shares Held (Direct Ownership) 547K

0% 3M change

n/a 12M change

Total Value Held N/A

Michael Cloonan Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 21 2025	SELL Open market or private sale	$3,592,800 $36.0 p/Share	99,800 Reduced 15.42%	547,343 Common Stock
Oct 21 2025	BUY Exercise of conversion of derivative security	$609,778 $6.11 p/Share	99,800 Added 14.66%	580,875 Common Stock
Oct 16 2025	SELL Open market or private sale	$341,210 $32.73 p/Share	10,425 Reduced 1.87%	547,343 Common Stock
Oct 16 2025	BUY Exercise of conversion of derivative security	$63,696 $6.11 p/Share	10,425 Added 1.87%	547,543 Common Stock
Oct 15 2025	SELL Open market or private sale	$459,650 $31.11 p/Share	14,775 Reduced 2.63%	547,343 Common Stock
Oct 15 2025	BUY Exercise of conversion of derivative security	$90,275 $6.11 p/Share	14,775 Added 2.56%	562,118 Common Stock
Sep 29 2025	SELL Open market or private sale	$231,452 $29.7 p/Share	7,793 Reduced 1.4%	547,343 Common Stock

Sep 29 2025	BUY Exercise of conversion of derivative security	$47,615 $6.11 p/Share	7,793 Added 1.38%	555,136 Common Stock
Sep 26 2025	SELL Open market or private sale	$496,421 $28.85 p/Share	17,207 Reduced 3.05%	547,343 Common Stock
Sep 26 2025	BUY Exercise of conversion of derivative security	$105,134 $6.11 p/Share	17,207 Added 2.96%	564,550 Common Stock
Aug 27 2025	SELL Open market or private sale	$185,724 $25.01 p/Share	7,426 Reduced 1.34%	547,343 Common Stock
Aug 27 2025	BUY Exercise of conversion of derivative security	$45,372 $6.11 p/Share	7,426 Added 1.32%	554,769 Common Stock
Aug 26 2025	SELL Open market or private sale	$438,647 $24.96 p/Share	17,574 Reduced 3.11%	547,343 Common Stock
Aug 26 2025	BUY Exercise of conversion of derivative security	$107,377 $6.11 p/Share	17,574 Added 3.02%	564,917 Common Stock
Aug 20 2025	SELL Open market or private sale	$568,750 $22.75 p/Share	25,000 Reduced 4.37%	547,343 Common Stock
Aug 20 2025	BUY Exercise of conversion of derivative security	$152,750 $6.11 p/Share	25,000 Added 4.19%	572,343 Common Stock

Also insider at

SAGE

Sage Therapeutics, Inc. Healthcare

Chief Business Officer

BLUE

bluebird bio, Inc. Healthcare

Michael Cloonan

President & CEO

Cambridge, MA

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