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Filing Details

Accession Number:: 0000899243-23-018840
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2023-09-13 16:33:40
Reporting Period:: 2023-09-11

Accepted Time:: 2023-09-13 16:33:40
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1653087	Alector Inc.	ALEC	()	DE

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1493463	Polaris Venture Partners Vi, L.p.	One Marina Park Drive, 8Th Floor Boston MA 02210	No	No	Yes	No
1575691	Polaris Venture Partners Founders' Fund Vi, L.p.	One Marina Park Drive, 8Th Floor Boston MA 02210	No	No	Yes	No
1665594	Polaris Venture Management Co. Vi, L.l.c.	One Marina Park Drive, 8Th Floor Boston MA 02210	No	No	Yes	No
1767127	Polaris Venture Partners Vi (Aiv), L.p.	One Marina Park Drive, 8Th Floor Boston MA 02210	No	No	Yes	No
1767130	Polaris Venture Partners Vi (Aiv-B), L.p.	One Marina Park Drive, 8Th Floor Boston MA 02210	No	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2023-09-11	500,000	$6.00	10,853,817	No	4	S	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See footnote

Footnotes

27,606 shares were sold by Polaris Venture Partners Founders' Fund VI, L.P. ("PVPFF VI"), 379,180 shares were sold by Polaris Venture Partners VI (AIV), L.P. ("PVP VI AIV") and 93,214 shares were sold by 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").
(Continued from footnote 1) 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, a member of the Issuer's board of directors, 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. 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.
599,251 shares are held by PVPFF VI, 7,831,004 shares are held by PVP VI AIV, 1,925,094 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.