CBIO Shares Outstanding History — Catalyst Biosciences Share Count Over Time

As of 4/24/2026 Catalyst Biosciences has 27.57 million CBIO shares outstanding. Investors often track the CBIO shares outstanding history to compare shareholder return trends against the change in share count over time.

This page shows CBIO share count trends over time, with 35 historical shares outstanding datapoints presented, dating back to 2/13/2017.

Quick links: Shares Outstanding History Table  |  Shares Outstanding History Chart  |  About Catalyst Biosciences
CBIO Shares Outstanding History



Below is a table of the CBIO shares outstanding history going back to 2/13/2017:

Date CBIO Shares Outstanding
2/13/20178680
2/28/201710000
5/4/201742606
7/31/201743106
10/31/201743106
3/15/2018118936
4/30/2018119352
7/31/2018119427
10/29/2018119427
3/4/2019119700
4/30/2019119801
7/26/2019120159
8/3/201515324
10/25/2019120408
2/7/2020120768
5/1/2020174354
7/30/2020220630
10/29/2020220978
2/25/2021313310
4/29/2021313497
7/30/2021313657
11/8/2021314097
3/25/2022314771
3/31/2022314771
4/29/2022314771
7/29/2022314771
11/7/2022314901
3/24/2023377598
5/8/2023377598
8/4/2023379749
10/20/2023379781
7/25/202513.89M
11/3/202513.89M
2/23/202627.56M
4/24/202627.57M

Also see: CBIO Market Cap History
CBIO YTD Return
CBIO Historical Shares Outstanding:
+140.37% CAGR
CBIO Historical Shares Outstanding: +140.37% CAGR

Mouse over chart for data details
2/13/2017 ...4/24/2026
GlycoMimetics, Inc. is a late clinical-stage biotechnology company discovering and developing glycobiology-based therapies for cancers, including acute myeloid leukemia (AML) and for inflammatory diseases. It is developing a pipeline of glycomimetics, which are small molecules that mimic the structure of carbohydrates involved in biological processes, to inhibit disease-related functions of carbohydrates, such as the roles they play in inflammation, cancer and infection. Its drug candidates include Uproleselan, GMI-1687, Galectin Antagonists and GMI-1359. We show 35 historical shares outstanding datapoints in our coverage of CBIO's shares outstanding history.

Understanding the changing numbers of CBIO shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like CBIO versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching CBIO by allowing them to research CBIO shares outstanding history as well as any other stock in our coverage universe.
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Video: Shares Outstanding Importance
Catalyst Biosciences (CBIO) is categorized under the Healthcare sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:

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