Filer Snapshot

Calvin Yu SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001757799.

Entity Type

Individual

Total Filings

10

Latest Filing

07 Jul 2021

Industry

n/a

Save this filer page for the next filing cycle

Keep this page in your research queue, then return to compare new filings with prior context.

Save and revisit

Save this filer page

Create a free account to keep this page in your watchlists and return after a new SEC filing changes the record here.

Create free account to save and revisit this page

Best next steps

Start with the latest filings table, then open the strongest context page for this filer.

  • Use the filings table to verify the newest submission, form type, and report period.
  • Open the deeper context page only when this filer actually has insider or ownership signal.
Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 07 Jul 2021 for CIK 0001757799.

View Source Filing
Business address
C/O Alector, Inc., 151 Oyster Point Blvd., #300, South San Francisco, CA, 94080
Top holdings (ownership)
ALEC

Quick Takeaways

  • Calvin Yu is an SEC filer tracked under CIK 0001757799.
  • 10 filings are listed on this profile.
  • Common form coverage includes 4, 3.

What Changed

  • Latest filing: 4 filed on 07 Jul 2021.
  • Report period: 02 Jul 2021.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Forms 3/4/5

4 filed on 07 Jul 2021 for CIK 0001757799.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for Calvin Yu.

Latest source-backed update
4 filed 07 Jul 2021
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 07 Jul 2021.
  • Save this filer if you want a stable place to return after the next filing cycle.
  • Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for Calvin Yu

Ownership report updated

Latest ownership report period: 02 Jul 2021. Open the source-backed page to inspect the fresh filing or facts context.

Update date

07 Jul 2021

Page type

Ownership filings

Latest period

02 Jul 2021

Ownership context was refreshed from SEC Forms 3/4/5 filed on 07 Jul 2021.

Open ownership filings Browse recent public updates

Filer Overview

Calvin Yu has filed 10 SEC EDGAR filings since 06 Feb 2019. Common forms include 4, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Calvin Yu with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Jul 2021 02 Jul 2021 001-38792
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2021 02 Jun 2021 001-38792
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 May 2021 07 May 2021 001-38792
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Oct 2020 01 Oct 2020 001-38792
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jun 2020 03 Jun 2020 001-38792
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Feb 2020 06 Feb 2020 001-38792
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Feb 2020 04 Feb 2020 001-38792
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2019 03 Dec 2019 001-38792
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Nov 2019 06 Nov 2019 001-38792
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 06 Feb 2019 06 Feb 2019 001-38792

About this filer

Calvin Yu files with the SEC under CIK 0001757799. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.