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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899243-21-049599
Filing Date
2021-12-23
Accepted
2021-12-23 16:44:37
Documents
1
Period of Report
2021-12-21

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 14876
  Complete submission text file 0000899243-21-049599.txt   18851
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.: 211517671

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.: 211517672

Mailing Address 131 OYSTER POINT BLVD., SUITE 600 SOUTH SAN FRANCISCO CA 94080
Business Address 131 OYSTER POINT BLVD., SUITE 600 SOUTH SAN FRANCISCO CA 94080 415-231-5660
Alector, Inc. (Issuer) CIK: 0001653087 (see all company filings)

IRS No.: 822933343 | 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.: 211517674

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.: 211517673

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.: 211517670