Acelyrin Ownership

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

Recent Insider Transactions

NasdaqGS:SLRN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
01 Apr 24	SellUS$66,024	Shao-Lee Lin	Individual	9,961	US$6.63
20 Feb 24	SellUS$119,403	Shao-Lee Lin	Individual	15,701	US$7.60
02 Jan 24	SellUS$79,188	Shao-Lee Lin	Individual	10,691	US$7.41

Insider Buying: SLRN insiders have only sold shares in the past 3 months.

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 76.4%.

Top 25 shareholders own 97.5% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.89%	Westlake Village BioPartners	9,790,729	US$44.3m	0%	no data
9.43%	Matrix Capital Management Company, LP	9,334,735	US$42.2m	0%	0.36%
7.15%	FMR LLC	7,079,210	US$32.0m	-19.8%	no data
7.1%	Citadel Advisors LLC	7,028,837	US$31.8m	8.57%	0.03%
6.3%	The Vanguard Group, Inc.	6,237,543	US$28.2m	1.33%	no data
5.2%	Millennium Management LLC	5,145,429	US$23.3m	28.2%	0.02%
5.15%	Access Industries, Inc.	5,095,777	US$23.0m	0%	no data
4.84%	BlackRock, Inc.	4,792,730	US$21.7m	64.8%	no data
4.04%	OrbiMed Advisors LLC	4,001,711	US$18.1m	0%	0.24%
3.89%	venBio LLC	3,852,470	US$17.4m	0%	6.0%
3.43%	Shao-Lee Lin	3,395,600	US$15.3m	-1.78%	no data
3.31%	Adage Capital Management, L.P.	3,280,000	US$14.8m	1,720%	0.03%
2.94%	Tybourne Capital Management (HK) Ltd.	2,906,629	US$13.1m	0%	2.22%
2.92%	General Atlantic Service Company, L.P.	2,889,668	US$13.1m	0%	0.21%
2.85%	CHI Advisors LLC	2,826,028	US$12.8m	23.3%	3.96%
2.55%	Samsara BioCapital LLC	2,523,022	US$11.4m	0%	2.21%
2.43%	Artal Group S.A.	2,405,143	US$10.9m	-20.8%	0.25%
2.4%	JP Morgan Asset Management	2,377,354	US$10.7m	-22.3%	no data
2.16%	T. Rowe Price Group, Inc.	2,140,294	US$9.7m	0%	no data
2.06%	Franklin Resources, Inc.	2,044,121	US$9.2m	154%	no data
1.73%	Palo Alto Investors LP	1,715,180	US$7.8m	0%	0.92%
1.6%	Opaleye Management Inc.	1,580,000	US$7.1m	-61.9%	1.68%
1.58%	Ikarian Capital, LLC	1,564,340	US$7.1m	-21.4%	2.16%
1.33%	Driehaus Capital Management LLC	1,319,349	US$6.0m	0%	0.04%
1.24%	Geode Capital Management, LLC	1,229,995	US$5.6m	58.9%	no data