OTC:CSCIF | Historical Stock Price | COSCIENS Biopharma Inc.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
2000-05-10 to 2026-08-27
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.81$11.06$151.57$2,076.53$28,449.18$389,763.772000-05-102026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2020

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volume
2020-12-31$43.00$43.0023,083
2020-12-30$43.00$43.0023,111
2020-12-29$40.00$40.0025,453
2020-12-28$43.00$43.0035,980
2020-12-24$41.00$41.0040,775
2020-12-23$41.00$41.0087,007
2020-12-22$38.00$38.0046,192
2020-12-21$38.00$38.009,531
2020-12-18$38.00$38.009,986
2020-12-17$38.00$38.006,743
2020-12-16$38.00$38.007,827
2020-12-15$38.00$38.0010,817
2020-12-14$37.00$37.0015,912
2020-12-11$38.00$38.0010,142
2020-12-10$40.00$40.0018,631
2020-12-09$39.00$39.0026,657
2020-12-08$41.00$41.0031,270
2020-12-07$38.00$38.0070,917
2020-12-04$42.00$42.0030,970
2020-12-03$42.00$42.0034,116
2020-12-02$44.00$44.0069,673
2020-12-01$40.00$40.0016,042
2020-11-30$40.00$40.0014,911
2020-11-27$41.00$41.0011,481
2020-11-25$39.00$39.009,814
2020-11-24$41.00$41.0020,773
2020-11-23$42.00$42.0090,327
2020-11-20$42.00$42.00256,474
2020-11-19$34.00$34.007,954
2020-11-18$33.00$33.008,188
2020-11-17$34.00$34.0011,142
2020-11-16$35.00$35.0021,947
2020-11-13$35.00$35.0012,165
2020-11-12$36.00$36.0024,622
2020-11-11$32.00$32.008,219
2020-11-10$31.00$31.006,297
2020-11-09$30.00$30.0011,354
2020-11-06$31.00$31.0013,050
2020-11-05$32.00$32.003,048
2020-11-04$32.00$32.004,930
2020-11-03$32.00$32.006,426
2020-11-02$30.00$30.0010,853
2020-10-30$31.00$31.0020,692
2020-10-29$33.00$33.008,887
2020-10-28$33.00$33.009,300
2020-10-27$35.00$35.006,048
2020-10-26$35.00$35.0016,872
2020-10-23$36.00$36.005,201
2020-10-22$35.00$35.008,097
2020-10-21$36.00$36.0011,976
2020-10-20$36.00$36.005,992
2020-10-19$36.00$36.006,327
2020-10-16$37.00$37.008,244
2020-10-15$37.00$37.009,039
2020-10-14$39.00$39.008,807
2020-10-13$38.00$38.006,691
2020-10-12$37.00$37.0010,361
2020-10-09$39.00$39.005,284
2020-10-08$38.00$38.0010,699
2020-10-07$37.00$37.0016,433
2020-10-06$36.00$36.0010,801
2020-10-05$37.00$37.009,576
2020-10-02$36.00$36.0011,120
2020-10-01$36.00$36.008,395
2020-09-30$35.00$35.008,398
2020-09-29$36.00$36.008,883
2020-09-28$34.00$34.0011,925
2020-09-25$35.00$35.0013,860
2020-09-24$34.00$34.0025,418
2020-09-23$35.00$35.0021,825
2020-09-22$39.00$39.0041,910
2020-09-21$36.00$36.0011,377
2020-09-18$37.00$37.0012,700
2020-09-17$37.00$37.0023,880
2020-09-16$38.00$38.0044,060
2020-09-15$38.00$38.0019,702
2020-09-14$38.00$38.0044,316
2020-09-11$38.00$38.0019,039
2020-09-10$38.00$38.0027,900
2020-09-09$39.00$39.0047,602
2020-09-08$38.00$38.0031,759
2020-09-04$40.00$40.0041,699
2020-09-03$41.00$41.0048,531
2020-09-02$44.00$44.0035,923
2020-09-01$44.00$44.0055,688
2020-08-31$47.00$47.0021,476
2020-08-28$47.00$47.0026,310
2020-08-27$47.00$47.0067,379
2020-08-26$50.00$50.0023,226
2020-08-25$49.00$49.0025,625
2020-08-24$46.00$46.0045,659
2020-08-21$50.00$50.0027,383
2020-08-20$51.00$51.0040,164
2020-08-19$51.00$51.0052,130
2020-08-18$51.00$51.0025,288
2020-08-17$51.00$51.0038,570
2020-08-14$51.00$51.0043,092
2020-08-13$49.00$49.0045,561
2020-08-12$50.00$50.0059,735
2020-08-11$53.00$53.0084,428
2020-08-10$55.00$55.00160,650
2020-08-07$50.00$50.00101,460
2020-08-06$46.00$46.0044,124
2020-08-05$46.00$46.0061,530
2020-08-04$44.00$44.0049,055
2020-08-03$43.00$43.00108,883
2020-07-31$47.00$47.0025,007
2020-07-30$48.00$48.0029,479
2020-07-29$47.00$47.0019,369
2020-07-28$48.00$48.0033,214
2020-07-27$48.00$48.0019,545
2020-07-24$47.00$47.0026,303
2020-07-23$49.00$49.0037,437
2020-07-22$50.00$50.0097,475
2020-07-21$48.00$48.0046,286
2020-07-20$46.00$46.0032,029
2020-07-17$45.00$45.0065,290
2020-07-16$49.00$49.00116,853
2020-07-15$43.00$43.0027,738
2020-07-14$41.00$41.0032,365
2020-07-13$41.00$41.0055,520
2020-07-10$44.00$44.0038,794
2020-07-09$43.00$43.0053,326
2020-07-08$46.00$46.00103,587
2020-07-07$52.00$52.00373,089
2020-07-06$42.00$42.00181,648
2020-07-02$38.00$38.00282,818
2020-07-01$54.00$54.0028,542
2020-06-30$80.00$80.001,987
2020-06-29$84.00$84.002,865
2020-06-26$83.00$83.003,112
2020-06-25$91.00$91.004,226
2020-06-24$86.00$86.001,474
2020-06-23$91.00$91.001,090
2020-06-22$92.00$92.00680
2020-06-19$92.00$92.002,648
2020-06-18$95.00$95.001,948
2020-06-17$97.00$97.001,138
2020-06-16$96.00$96.001,162
2020-06-15$95.00$95.001,360
2020-06-12$96.00$96.001,993
2020-06-11$98.00$98.005,905
2020-06-10$114.00$114.002,631
2020-06-09$120.00$120.004,400
2020-06-08$117.00$117.004,709
2020-06-05$115.00$115.001,586
2020-06-04$117.00$117.003,183
2020-06-03$116.00$116.001,431
2020-06-02$115.00$115.00998
2020-06-01$114.00$114.001,950
2020-05-29$116.00$116.001,691
2020-05-28$115.00$115.005,683
2020-05-27$115.00$115.001,623
2020-05-26$113.00$113.003,276
2020-05-22$109.00$109.004,105
2020-05-21$115.00$115.0014,526
2020-05-20$95.00$95.001,493
2020-05-19$96.00$96.001,827
2020-05-18$93.00$93.001,531
2020-05-15$93.00$93.001,377
2020-05-14$97.00$97.00761
2020-05-13$95.00$95.002,751
2020-05-12$101.00$101.002,512
2020-05-11$105.00$105.003,211
2020-05-08$105.00$105.003,385
2020-05-07$110.00$110.0013,380
2020-05-06$101.00$101.0061,332
2020-05-05$77.00$77.001,353
2020-05-04$73.00$73.00431
2020-05-01$74.00$74.00563
2020-04-30$77.00$77.001,080
2020-04-29$81.00$81.001,728
2020-04-28$80.00$80.00735
2020-04-27$82.00$82.00732
2020-04-24$79.00$79.001,039
2020-04-23$80.00$80.00435
2020-04-22$78.00$78.001,058
2020-04-21$78.00$78.00918
2020-04-20$83.00$83.001,012
2020-04-17$84.00$84.00958
2020-04-16$82.00$82.002,871
2020-04-15$91.00$91.004,421
2020-04-14$90.00$90.006,071
2020-04-13$75.00$75.003,300
2020-04-09$69.00$69.001,223
2020-04-08$71.00$71.002,172
2020-04-07$71.00$71.0013,326
2020-04-06$74.00$74.0019,627
2020-04-03$47.00$47.001,918
2020-04-02$45.00$45.001,130
2020-04-01$50.00$50.001,052
2020-03-31$51.00$51.001,190
2020-03-30$50.00$50.001,969
2020-03-27$55.00$55.002,273
2020-03-26$52.00$52.001,824
2020-03-25$51.00$51.005,802
2020-03-24$48.00$48.001,862
2020-03-23$49.00$49.001,100
2020-03-20$49.00$49.002,121
2020-03-19$47.00$47.003,154
2020-03-18$42.00$42.002,842
2020-03-17$49.00$49.001,347
2020-03-16$47.00$47.002,939
2020-03-13$53.00$53.003,170
2020-03-12$55.00$55.004,576
2020-03-11$67.00$67.001,990
2020-03-10$72.00$72.004,713
2020-03-09$69.00$69.003,475
2020-03-06$77.00$77.002,986
2020-03-05$76.00$76.003,016
2020-03-04$78.00$78.002,469
2020-03-03$78.00$78.004,486
2020-03-02$74.00$74.003,871
2020-02-28$80.00$80.005,022
2020-02-27$86.00$86.003,538
2020-02-26$89.00$89.002,945
2020-02-25$92.00$92.001,962
2020-02-24$95.00$95.003,248
2020-02-21$99.00$99.006,345
2020-02-20$102.00$102.0021,467
2020-02-19$136.00$136.002,981
2020-02-18$131.00$131.003,485
2020-02-14$118.00$118.00599
2020-02-13$117.00$117.001,021
2020-02-12$118.00$118.00902
2020-02-11$116.00$116.001,521
2020-02-10$112.00$112.00488
2020-02-07$114.00$114.00754
2020-02-06$112.00$112.001,377
2020-02-05$117.00$117.001,589
2020-02-04$104.00$104.00934
2020-02-03$104.00$104.00506
2020-01-31$107.00$107.001,900
2020-01-30$111.00$111.001,138
2020-01-29$118.00$118.001,203
2020-01-28$116.00$116.001,819
2020-01-27$120.00$120.001,976
2020-01-24$121.00$121.001,614
2020-01-23$133.00$133.001,644
2020-01-22$138.00$138.004,970
2020-01-21$144.00$144.0015,953
2020-01-17$109.00$109.001,263
2020-01-16$107.00$107.001,080
2020-01-15$107.00$107.00696
2020-01-14$106.00$106.001,193
2020-01-13$106.00$106.002,416
2020-01-10$104.00$104.00979
2020-01-09$101.00$101.002,682
2020-01-08$111.00$111.003,963
2020-01-07$97.00$97.001,286
2020-01-06$92.00$92.00732
2020-01-03$88.00$88.001,429
2020-01-02$88.00$88.001,714