Cynthia L. Tregillis SEC EDGAR Filings (CIK 0002057088)

SEC EDGAR filings, ownership reports, and insider transactions for Cynthia L. Tregillis.

Business address
C/O Western Digital Corporation, 5601 Great Oaks Parkway, San Jose, CA, 95119
Top holdings (ownership)
WDC
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Cynthia L. Tregillis has filed 22 SEC EDGAR filings since 03 Mar 2025

Latest Filings

Recent SEC filings for Cynthia L. Tregillis including 144, 4, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open 144 document View SEC filing for 144 21 Jan 2026
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Jan 2026 20 Jan 2026 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Dec 2025 18 Dec 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Dec 2025 02 Dec 2025 001-08703
144 Open 144 document View SEC filing for 144 02 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Nov 2025 25 Nov 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Nov 2025 20 Nov 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Oct 2025 20 Oct 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Sep 2025 18 Sep 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Aug 2025 26 Aug 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Aug 2025 25 Aug 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Aug 2025 21 Aug 2025 001-08703
144 Open 144 document View SEC filing for 144 22 Aug 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Aug 2025 20 Aug 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Jul 2025 20 Jul 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Jun 2025 18 Jun 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2025 25 May 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 May 2025 20 May 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Apr 2025 20 Apr 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Mar 2025 06 Mar 2025 001-08703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2025 03 Mar 2025 001-08703
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 03 Mar 2025 21 Feb 2025 001-08703

About this filer

Cynthia L. Tregillis files with the SEC under CIK 0002057088. 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.

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