Alector Ownership

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

Recent Insider Transactions

NasdaqGS:ALEC Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
03 Jun 24	SellUS$33,208	Marc Grasso	Individual	6,920	US$4.80
03 Jun 24	SellUS$120,618	Arnon Rosenthal	Individual	25,135	US$4.80
03 Jun 24	SellUS$63,373	Saraswati Kenkare-Mitra	Individual	13,206	US$4.80
03 Jun 24	SellUS$38,582	Gary Romano	Individual	8,040	US$4.80
04 Mar 24	SellUS$39,562	Marc Grasso	Individual	5,716	US$6.92
04 Mar 24	SellUS$70,387	Saraswati Kenkare-Mitra	Individual	10,169	US$6.92
04 Mar 24	SellUS$130,386	Arnon Rosenthal	Individual	18,837	US$6.92
04 Mar 24	SellUS$41,554	Gary Romano	Individual	6,001	US$6.92
04 Dec 23	SellUS$25,431	Marc Grasso	Individual	4,574	US$5.56
04 Dec 23	SellUS$69,606	Saraswati Kenkare-Mitra	Individual	12,519	US$5.56
04 Dec 23	SellUS$27,995	Gary Romano	Individual	5,035	US$5.56
04 Dec 23	SellUS$132,500	Arnon Rosenthal	Individual	23,831	US$5.56
11 Sep 23	SellUS$3,000,000	Polaris Venture Partners, Inc.	Company	500,000	US$6.00
05 Sep 23	SellUS$5,786	Marc Grasso	Individual	1,114	US$5.19
05 Sep 23	SellUS$14,393	Gary Romano	Individual	2,771	US$5.19
05 Sep 23	SellUS$32,277	Saraswati Kenkare-Mitra	Individual	6,214	US$5.19
05 Sep 23	SellUS$29,333	Arnon Rosenthal	Individual	5,647	US$5.19

Insider Trading Volume

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

Ownership Breakdown

What is the ownership structure of ALEC?
Owner Type	Number of Shares	Ownership Percentage
General Public	6,077,489	6.31%
Individual Insiders	6,147,754	6.38%
VC/PE Firms	9,853,817	10.2%
Institutions	74,305,502	77.1%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 15.6%.

Top Shareholders

Top 25 shareholders own 80.28% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14.9%	FMR LLC	14,362,388	US$93.2m	13.8%	0.01%
10.2%	Polaris Venture Partners, Inc.	9,853,817	US$64.0m	-9.21%	29.03%
8.8%	BlackRock, Inc.	8,483,565	US$55.1m	5.14%	no data
5.72%	Arnon Rosenthal	5,517,835	US$35.8m	3.24%	no data
5.1%	The Vanguard Group, Inc.	4,912,578	US$31.9m	12%	no data
4.21%	EcoR1 Capital, LLC	4,056,548	US$26.3m	0%	0.72%
4.06%	State Street Global Advisors, Inc.	3,915,169	US$25.4m	25.6%	no data
3.91%	Deep Track Capital, LP	3,769,386	US$24.5m	0%	0.62%
3.4%	Morgan Stanley, Investment Banking and Brokerage Investments	3,274,096	US$21.2m	-14.8%	no data
2.74%	Deutsche Asset & Wealth Management	2,642,867	US$17.2m	28.2%	0.01%
2.47%	Braidwell LP	2,380,704	US$15.5m	-28.4%	0.89%
1.71%	JP Morgan Asset Management	1,647,247	US$10.7m	-6.61%	no data
1.63%	Geode Capital Management, LLC	1,575,770	US$10.2m	14%	no data
1.36%	Euclidean Capital LLC	1,307,858	US$8.5m	0%	1.07%
1.3%	Verition Fund Management LLC	1,253,029	US$8.1m	756%	0.09%
1.11%	Deerfield Management Company, L.P. Series C	1,072,845	US$7.0m	0.47%	0.13%
1%	Franklin Resources, Inc.	959,265	US$6.2m	0%	no data
0.96%	Jacobs Levy Equity Management Inc	922,799	US$6.0m	16.2%	0.03%
0.95%	Dafna Capital Management, LLC	912,928	US$5.9m	49.7%	1.39%
0.92%	T. Rowe Price Group, Inc.	890,494	US$5.8m	-25.9%	no data
0.88%	Dimensional Fund Advisors LP	845,964	US$5.5m	10.7%	no data
0.78%	Point72 Asset Management, L.P.	748,571	US$4.9m	124%	0.01%
0.75%	AllianceBernstein L.P.	725,686	US$4.7m	47.4%	no data
0.7%	Renaissance Technologies LLC	675,483	US$4.4m	18.1%	0.01%
0.7%	Charles Schwab Investment Management, Inc.	674,790	US$4.4m	0%	no data