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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-19-009780
Filing Date
2019-02-13
Accepted
2019-02-13 17:33:37
Documents
1
Period of Report
2019-02-11

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 34273
  Complete submission text file 0001209191-19-009780.txt   38274
Mailing Address ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210
Business Address ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 781-290-0770
Polaris Venture Partners VI, L.P. (Reporting) CIK: 0001493463 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38792 | Film No.: 19598914

Mailing Address ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210
Business Address ONE MARINA PARK DRIVE, 10TH FLOOR BOSTON MA 02210 885-787-3500
Polaris Venture Partners Founders' Fund VI, L.P. (Reporting) CIK: 0001575691 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38792 | Film No.: 19598915

Mailing Address 151 OYSTER POINT BLVD., SUITE 300 SOUTH SAN FRANCISCO CA 94080
Business Address 151 OYSTER POINT BLVD., SUITE 300 SOUTH SAN FRANCISCO CA 94080 415-231-5660
Alector, Inc. (Issuer) CIK: 0001653087 (see all company filings)

IRS No.: 462702363 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address ONE MARINA PARK DRIVE 10TH FLOOR BOSTON MA 02210
Business Address ONE MARINA PARK DRIVE 10TH FLOOR BOSTON MA 02210 (855) 787-3500
Polaris Venture Management Co. VI, L.L.C. (Reporting) CIK: 0001665594 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38792 | Film No.: 19598917

Mailing Address ONE MARINA PARK DRIVE 10TH FLOOR BOSTON MA 02210
Business Address ONE MARINA PARK DRIVE 10TH FLOOR BOSTON MA 02210 8557873500
Polaris Venture Partners VI (AIV), L.P. (Reporting) CIK: 0001767127 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38792 | Film No.: 19598916

Mailing Address ONE MARINA PARK DRIVE 10TH FLOOR BOSTON MA 02210
Business Address ONE MARINA PARK DRIVE 10TH FLOOR BOSTON MA 02210 8557873500
PVP VI (AIV) Feeder Corp. Holding Partnership, L.P. (Reporting) CIK: 0001767130 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38792 | Film No.: 19598913