Cyclerion Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:CYCN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
09 Aug 23	SellUS$27	Polaris Venture Partners, Inc.	Company		8	US$3.40
19 May 23	BuyUS$1,953,000	Peter Hecht	Individual		225,000	US$8.68

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 16.7%.

Top 25 shareholders own 71.54% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14.9%	Peter Hecht	377,457	US$1.2m	4.14%	no data
14.1%	Slate Path Capital LP	357,880	US$1.1m	0%	0.02%
6.67%	MFN Partners Management, LP	169,460	US$538.9k	0%	0.02%
6.48%	Tyndall Capital Partners LP	164,429	US$522.9k	11.3%	100.0%
6.41%	FMR LLC	162,819	US$517.8k	-1.03%	no data
5.47%	Artal Group S.A.	138,955	US$441.9k	0%	0.01%
5.24%	American Endowment Foundation, Endowment Arm	133,027	US$423.0k	0%	100.0%
3.95%	Regina Graul	100,303	US$319.0k	99.4%	no data
1.42%	Polaris Venture Partners, Inc.	36,113	US$114.8k	0%	0.07%
1.23%	Geode Capital Management, LLC	31,259	US$99.4k	1.66%	no data
1.18%	Errol De Souza	30,000	US$95.4k	0%	no data
0.93%	The Vanguard Group, Inc.	23,490	US$74.7k	-42%	no data
0.85%	Michael Higgins	21,650	US$68.8k	0%	no data
0.79%	Dina Katabi	20,000	US$63.6k	0%	no data
0.79%	Steven Hyman	20,000	US$63.6k	0%	no data
0.68%	BlackRock, Inc.	17,169	US$54.6k	-4.62%	no data
0.23%	Terrance McGuire	5,897	US$18.8k	557%	no data
0.088%	UBS Asset Management AG	2,228	US$7.1k	707%	no data
0.066%	Anjeza Gjino	1,681	US$5.3k	0%	no data
0.033%	Cheryl Gault	827	US$2.6k	0%	no data
0.027%	Morgan Stanley, Investment Banking and Brokerage Investments	698	US$2.2k	-15.2%	no data
0.021%	Group One Trading LP, Asset Management Arm	540	US$1.7k	0%	no data
0.013%	Royal Bank of Canada, Banking & Securities Investments	330	US$1.0k	-63.8%	no data
0.0074%	Securities America Advisors, Inc.	187	US$594.3	0%	no data
0.0055%	Bg Fund Management Luxembourg S.A.	140	US$444.9	0%	no data