Susan Westphal SEC EDGAR Filings (CIK 0001701731)

SEC EDGAR filings, ownership reports, and insider transactions for Susan Westphal.

Business address
C/O Rubicon Technology, Inc., 900 East Green Street, Unit A, Bensenville, IL, 60106
Top holdings (ownership)
RBCN
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
Susan Westphal has filed 12 SEC EDGAR filings since 27 Mar 2017

Latest Filings

Recent SEC filings for Susan Westphal including 4, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 22 Aug 2022 19 Aug 2022 001-33834
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 01 Aug 2022 29 Jul 2021 001-33834
4 Open 4 document View SEC filing for 4 28 Jun 2021 23 Jun 2021 001-33834
4 Open 4 document View SEC filing for 4 15 Sep 2020 15 Jul 2020 001-33834
4 Open 4 document View SEC filing for 4 03 Jun 2019 29 May 2019 001-33834
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 14 May 2018 10 May 2018 001-33834
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Mar 2018 16 Mar 2018 001-33834
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Jan 2018 02 Jan 2018 001-33834
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Oct 2017 30 Sep 2017 001-33834
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Jul 2017 30 Jun 2017 001-33834
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2017 31 Mar 2017 001-33834
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 27 Mar 2017 17 Mar 2017 001-33834

About this filer

Susan Westphal files with the SEC under CIK 0001701731. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

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.

Related pages