Company: CSCIF
Filing Date: 2025-04-09
Form Type: 20-F
Source: 0001641172-25-003456
Chunk: 121

Company: COSCIENS Biopharma Inc.
Filing Date: 2025-04-09
Form: 20-F
Item: Item 6
Chunk 121
---
, 2015
until August 9, 2024, our ticker symbol was “ AEZS”. The following table indicates, for the relevant periods, the high and
low closing prices of our Common Shares on the NASDAQ and on the TSX as of December 31, 2024:

                      NASDAQ (US$)                TSX (CAN$)             
                              High                      High             
  2024                                                                   
  Fourth quarter              3.90      2.50            5.20       3.72  
  Third quarter               6.91      3.75            9.55       4.84  
  Second quarter             10.25      4.42           13.90       5.90  
  First quarter               8.80      6.78           11.72       9.16  
  2023                        3.89      1.42            5.30       1.91  
  Fourth quarter              2.46      1.42            3.36       1.91  
  Third quarter               3.19      2.44            4.21       3.25  
  Second quarter              3.23      2.45            4.38       3.34  
  First quarter               3.89      2.61            5.30       3.36  
  2022                       10.50      3.02           12.75       4.05  
  Fourth quarter              4.34      3.02            5.84       4.05  
  Third quarter               6.00      3.69            7.50       5.07  
  Second quarter              9.25      4.25           11.75       5.50  
  First quarter              10.50      8.25           12.75      10.25  

  Plan of distribution  
 ────────────────────────

Not applicable.

  Markets  
 ───────────

Our Common Shares are listed and posted for trading
on both the NASDAQ and the TSX under the symbol “ CSCI”. From November 20, 2015 until August 9, 2024, our ticker symbol was
“ AEZS”.

  Selling shareholders  
 ─────────────────