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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

Reading 76 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2023-10-01 Romano Gary Chief Medical Officer Grant or award · Employee Stock Option (right to buy) +36,000 36,000
2023-10-01 GRASSO MARC Chief Financial Officer Grant or award +123,000 155,247
2023-10-01 GRASSO MARC Chief Financial Officer Grant or award · Employee Stock Option (right to buy) +41,000 41,000
2023-10-01 Kenkare-Mitra Sara President and Head of R&D Grant or award +163,600 341,535
2023-10-01 Kenkare-Mitra Sara President and Head of R&D Grant or award · Employee Stock Option (right to buy) +54,500 54,500
2023-10-01 Rosenthal Arnon Chief Executive Officer Grant or award +397,600 2,043,048
2023-10-01 Rosenthal Arnon Chief Executive Officer Grant or award · Employee Stock Option (right to buy) +132,500 132,500
2023-09-11 Polaris Venture Management Co. VI, L.L.C. 10% owner Sale −500,000 $6.00 $3.0M 10,853,817
2023-09-11 MCGUIRE TERRANCE Director Sale −500,000 $6.00 $3.0M 10,853,817
2023-09-05 Rosenthal Arnon Chief Executive Officer Sale −5,647 $5.19 $29K 1,645,448
2023-09-05 Kenkare-Mitra Sara President and Head of R&D Sale −6,214 $5.19 $32K 177,935
2023-09-05 Romano Gary Chief Medical Officer Sale −2,771 $5.19 $14K 99,349
2023-09-05 GRASSO MARC Chief Financial Officer Sale −1,114 $5.19 $6K 32,247
2023-08-22 MCGUIRE TERRANCE Director Other disposition −500,000 11,353,817
2023-08-22 MCGUIRE TERRANCE Director Other acquisition +6,429 54,996
2023-08-22 MCGUIRE TERRANCE Director Other acquisition +98,533 98,553
2023-08-22 MCGUIRE TERRANCE Director Other disposition −98,533 0
2023-08-22 MCGUIRE TERRANCE Director Other acquisition +13,133 39,399
2023-08-22 Polaris Venture Management Co. VI, L.L.C. 10% owner Other disposition −500,000 11,353,817
2023-08-22 Polaris Venture Management Co. VI, L.L.C. 10% owner Other acquisition +98,533 98,533

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