0000950170-24-052329.txt : 20240502 0000950170-24-052329.hdr.sgml : 20240502 20240502173241 ACCESSION NUMBER: 0000950170-24-052329 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240430 FILED AS OF DATE: 20240502 DATE AS OF CHANGE: 20240502 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Partners VI, L.P. CENTRAL INDEX KEY: 0001493463 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38792 FILM NUMBER: 24910002 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE, 8TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 781-290-0770 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE, 8TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Partners Founders' Fund VI, L.P. CENTRAL INDEX KEY: 0001575691 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38792 FILM NUMBER: 24910003 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE, 8TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 885-787-3500 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE, 8TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Partners VI (AIV-B), L.P. CENTRAL INDEX KEY: 0001767130 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38792 FILM NUMBER: 24910001 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 8557873500 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 FORMER NAME: FORMER CONFORMED NAME: PVP VI (AIV) Feeder Corp. Holding Partnership, L.P. DATE OF NAME CHANGE: 20190206 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Management Co. VI, L.L.C. CENTRAL INDEX KEY: 0001665594 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38792 FILM NUMBER: 24910005 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 8TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: (855) 787-3500 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 8TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Polaris Venture Partners VI (AIV), L.P. CENTRAL INDEX KEY: 0001767127 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38792 FILM NUMBER: 24910004 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 8TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 8557873500 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 8TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Alector, Inc. CENTRAL INDEX KEY: 0001653087 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 822933343 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 131 OYSTER POINT BLVD., SUITE 600 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: 415-231-5660 MAIL ADDRESS: STREET 1: 131 OYSTER POINT BLVD., SUITE 600 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 FORMER COMPANY: FORMER CONFORMED NAME: Alector LLC DATE OF NAME CHANGE: 20150915 4 1 ownership.xml 4 X0508 4 2024-04-30 0001653087 Alector, Inc. ALEC 0001665594 Polaris Venture Management Co. VI, L.L.C. ONE MARINA PARK DRIVE, 8TH FLOOR BOSTON MA 02210 false false true false 0001767127 Polaris Venture Partners VI (AIV), L.P. ONE MARINA PARK DRIVE, 8TH FLOOR BOSTON MA 02210 false false true false 0001575691 Polaris Venture Partners Founders' Fund VI, L.P. ONE MARINA PARK DRIVE, 8TH FLOOR BOSTON MA 02210 false false true false 0001493463 Polaris Venture Partners VI, L.P. ONE MARINA PARK DRIVE, 8TH FLOOR BOSTON MA 02210 false false true false 0001767130 Polaris Venture Partners VI (AIV-B), L.P. ONE MARINA PARK DRIVE, 8TH FLOOR BOSTON MA 02210 false false true false false Common Stock 2024-04-30 4 J false 500000 0 D 10353817 I See footnote Common Stock 2024-04-30 4 J false 98533 0 A 98533 D Common Stock 2024-04-30 4 J false 98533 0 D 0 D Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Polaris Venture Partners Founders' Fund VI, L.P. ("PVPFF VI"), Polaris Venture Partners VI (AIV), L.P. ("PVP VI AIV") and Polaris Venture Partners VI (AIV-B), L.P. (p/k/a PVP VI (AIV) Feeder Corp. Holding Partnership, L.P., "PVP VI AIV-B" and, together with PVPFF VI, PVP VI AIV and Polaris Venture Partners VI, L.P. ("PVP VI"), the "Polaris Funds"). 27,606 shares were distributed by PVPFF VI, 379,180 shares were distributed by PVP VI AIV and 93,214 shares were distributed by PVP VI AIV-B. The general partner of each of the Polaris Funds is Polaris Venture Management Co. VI, L.L.C. ("PVM"). Each of Amir Nashat, Brian Chee, David Barrett, Bryce Youngren, Jonathan Flint, and Terrance McGuire are managing members of PVM (collectively, the "Managing Members") and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds. (Continued from footnote 2) Each of the Managing Members and PVM disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein. 571,645 shares are held by PVPFF VI, 7,451,824 shares are held by PVP VI AIV, 1,831,880 shares are held by PVP VI AIV-B and 498,468 shares are held by PVP VI. Each of the Managing Members and PVM disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein. Represents a change in the form of ownership of PVM by virtue of the receipt of shares in the pro-rata in-kind distribution of common stock of the Issuer for no consideration by the Polaris Funds. Shares held by PVM. 276 shares received from PVPFF VI, 78,869 shares received from PVP VI AIV and 19,388 shares received from PVP VI AIV-B. The Managing Members are managing members of PVM and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds. (Continued from footnote 6) Each of the Managing Members disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein. Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by PVM to its members. /s/ Lauren Crockett, as attorney in fact for Polaris Venture Management Co. VI, L.L.C. 2024-05-02 /s/ Lauren Crockett, as attorney in fact for Polaris Venture Management Co. VI, L.L.C., general partner of Polaris Venture Partners VI (AIV), L.P. 2024-05-02 /s/ Lauren Crockett, as attorney in fact for Polaris Venture Management Co. VI, L.L.C., general partner of Polaris Venture Partners Founders' Fund VI, L.P. 2024-05-02 /s/ Lauren Crockett, as attorney in fact for Polaris Venture Management Co. VI, L.L.C., general partner of Polaris Venture Partners VI, L.P. 2024-05-02 /s/ Lauren Crockett, as attorney in fact for Polaris Venture Management Co. VI, L.L.C., general partner of Polaris Venture Partners VI (AIV-B), L.P. 2024-05-02