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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
2023-06-02 Romano Gary Chief Medical Officer Sale −2,617 $6.90 $18K 102,120
2023-06-02 Rosenthal Arnon Chief Executive Officer Sale −5,255 $6.90 $36K 1,651,095
2023-03-17 Rosenthal Arnon Chief Executive Officer Sale −15,186 $6.22 $94K 1,656,350
2023-03-03 Rosenthal Arnon Chief Executive Officer Grant or award +42,990 1,671,536
2023-03-02 Romano Gary Chief Medical Officer Sale −3,238 $8.32 $27K 104,737
2023-03-02 Kenkare-Mitra Sara President and Head of R&D Sale −10,124 $8.32 $84K 188,241
2023-03-02 GRASSO MARC Chief Financial Officer Sale −1,291 $8.32 $11K 34,411
2023-03-02 Rosenthal Arnon Chief Executive Officer Sale −5,849 $8.32 $49K 1,628,546
2022-12-02 Romano Gary Chief Medical Officer Sale −2,145 $8.71 $19K 107,975
2022-11-16 Polaris Venture Management Co. VI, L.L.C. 10% owner Other disposition −500,000 11,853,817
2022-11-16 Polaris Venture Management Co. VI, L.L.C. 10% owner Other acquisition +98,533 98,533
2022-11-16 Polaris Venture Management Co. VI, L.L.C. 10% owner Other disposition −98,533 0
2022-11-16 MCGUIRE TERRANCE Director Other disposition −500,000 11,853,817
2022-11-16 MCGUIRE TERRANCE Director Other acquisition +6,429 22,317
2022-11-16 MCGUIRE TERRANCE Director Other acquisition +98,533 98,553
2022-11-16 MCGUIRE TERRANCE Director Other disposition −98,533 0
2022-11-16 MCGUIRE TERRANCE Director Other acquisition +13,133 26,266
2022-10-01 GRASSO MARC Chief Financial Officer Grant or award +35,702 35,702
2022-10-01 GRASSO MARC Chief Financial Officer Grant or award · Employee Stock Option (right to buy) +23,801 23,801
2022-10-01 Romano Gary Chief Medical Officer Grant or award +20,047 110,120

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