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
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
02 Jun 23	SellUS$36,279	Arnon Rosenthal	Individual	5,255	US$6.90
02 Jun 23	SellUS$18,067	Gary Romano	Individual	2,617	US$6.90
02 Jun 23	SellUS$7,249	Marc Grasso	Individual	1,050	US$6.90
02 Jun 23	SellUS$28,250	Saraswati Kenkare-Mitra	Individual	4,092	US$6.90

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

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

Top 25 shareholders own 76.29% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14.9%	FMR LLC	14,362,388	US$81.1m	13.8%	0.01%
10.7%	Polaris Venture Partners, Inc.	10,353,817	US$58.5m	-4.61%	35.4%
8.8%	BlackRock, Inc.	8,483,565	US$47.9m	5.14%	no data
5.55%	Arnon Rosenthal	5,344,905	US$30.2m	0.55%	no data
5.1%	The Vanguard Group, Inc.	4,912,578	US$27.8m	12%	no data
4.21%	EcoR1 Capital, LLC	4,056,548	US$22.9m	0%	0.68%
3.99%	Morgan Stanley, Investment Banking and Brokerage Investments	3,840,955	US$21.7m	32.6%	no data
3.45%	Braidwell LP	3,324,308	US$18.8m	-18.4%	1.31%
3.23%	State Street Global Advisors, Inc.	3,117,529	US$17.6m	9.9%	no data
2.14%	Deutsche Asset & Wealth Management	2,062,099	US$11.7m	6,100%	0.01%
1.71%	JP Morgan Asset Management	1,647,247	US$9.3m	-6.61%	no data
1.63%	Geode Capital Management, LLC	1,575,770	US$8.9m	14%	no data
1.36%	Euclidean Capital LLC	1,307,858	US$7.4m	0%	0.74%
1.25%	T. Rowe Price Group, Inc.	1,201,549	US$6.8m	4.76%	no data
1.11%	Deerfield Management Company, L.P. Series C	1,067,810	US$6.0m	1.2%	0.11%
1%	Franklin Resources, Inc.	959,265	US$5.4m	0%	no data
0.88%	Dimensional Fund Advisors LP	845,964	US$4.8m	10.7%	no data
0.82%	Jacobs Levy Equity Management Inc	794,284	US$4.5m	2.08%	0.02%
0.79%	FundLogic SAS	764,089	US$4.3m	97%	0.31%
0.7%	Renaissance Technologies LLC	675,483	US$3.8m	18.1%	0.01%
0.7%	Charles Schwab Investment Management, Inc.	674,790	US$3.8m	35.1%	no data
0.64%	Northern Trust Global Investments	614,556	US$3.5m	-3.38%	no data
0.63%	Dafna Capital Management, LLC	609,905	US$3.4m	-3.03%	0.79%
0.51%	AllianceBernstein L.P.	492,285	US$2.8m	49.4%	no data
0.46%	Acadian Asset Management LLC	444,647	US$2.5m	212%	0.01%