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.

SEC EDGAR filings, ownership reports, and insider transactions for Aleksandra Rizo.

Business address: C/O Geron Corporation, 149 Commonwealth Drive, Menlo Park, CA, 94025
Top holdings (ownership): SNDX

Get insider transactions for this reporting owner

Aleksandra Rizo has filed 8 SEC EDGAR filings since 01 Feb 2019

Recent SEC filings for Aleksandra Rizo including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	4	07 Feb 2025	05 Feb 2025	001-37708
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	16 May 2024	15 May 2024	001-37708
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	16 May 2024	15 May 2024	001-37708
4	Open 4 document	View SEC filing for 4	STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	18 Feb 2022	16 Feb 2022	000-20859
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	04 Feb 2021	02 Feb 2021	000-20859
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	14 Feb 2020	12 Feb 2020	000-20859
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	01 Feb 2019	30 Jan 2019	000-20859
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	01 Feb 2019	30 Jan 2019	000-20859

Aleksandra Rizo files with the SEC under CIK 0001766210. This page aggregates EDGAR filings and related ownership activity.

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.