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CIK 0001653087 · Accelerated filer<br>Smaller reporting company

Alector, Inc.

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Ticker
ALEC
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Entity type
operating
EIN
822933343
Phone
415-231-5660
Business address
131 OYSTER POINT BLVD., SUITE 600, SOUTH SAN FRANCISCO, CA, 94080
Former names
Alector LLC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$296,087
in 3 filings

Net −$296,087. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Rosenthal Arnon −$193K Chief Executive Officer sold 3% of stake
  2. Berkley Neil Lindsay −$78K CFO & Chief Business Officer sold 8% of stake
  3. Wong-Sarad Grace −$25K Principal Accounting Officer sold 8% of stake
Date Insider Transaction Shares Price Value Owned after
2019-02-11 MCGUIRE TERRANCE Director Conversion +1,246,883 12,330,597
2019-02-11 MCGUIRE TERRANCE Director Conversion +527,597 12,858,194
2019-02-11 MCGUIRE TERRANCE Director Conversion · Series A-1 Preferred Stock −500,000 0
2019-02-11 MCGUIRE TERRANCE Director Conversion · Series A-2 Preferred Stock −5,274,725 0
2019-02-11 MCGUIRE TERRANCE Director Conversion · Series B Preferred Stock −2,500,000 0
2019-02-11 MCGUIRE TERRANCE Director Conversion · Series C Preferred Stock −2,808,989 0
2019-02-11 MCGUIRE TERRANCE Director Conversion · Series D Preferred Stock −1,246,883 0
2019-02-11 MCGUIRE TERRANCE Director Conversion · Series E Preferred Stock −527,597 0
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion +500,000 500,000
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion +5,274,725 5,774,725
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion +2,500,000 8,274,725
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion +2,808,989 11,083,714
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion +1,246,883 12,330,597
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion +527,597 12,858,194
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion · Series A-1 Preferred Stock −500,000 0
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion · Series A-2 Preferred Stock −5,274,725 0
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion · Series B Preferred Stock −2,500,000 0
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion · Series C Preferred Stock −2,808,989 0
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion · Series D Preferred Stock −1,246,883 0
2019-02-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Conversion · Series E Preferred Stock −527,597 0

Page 32 of 36 · 702 trades