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 — 2021

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volume
2021-12-31$36.00$36.0029,048
2021-12-30$37.00$37.0019,416
2021-12-29$37.00$37.0031,312
2021-12-28$38.00$38.0020,372
2021-12-27$40.00$40.0012,031
2021-12-23$42.00$42.006,409
2021-12-22$42.00$42.008,861
2021-12-21$41.00$41.008,927
2021-12-20$40.00$40.006,748
2021-12-17$42.00$42.007,945
2021-12-16$41.00$41.005,106
2021-12-15$41.00$41.009,224
2021-12-14$42.00$42.008,045
2021-12-13$44.00$44.005,026
2021-12-10$43.00$43.007,151
2021-12-09$45.00$45.007,804
2021-12-08$46.00$46.004,622
2021-12-07$45.00$45.007,792
2021-12-06$44.00$44.0016,561
2021-12-03$40.00$40.0022,099
2021-12-02$43.00$43.0012,093
2021-12-01$45.00$45.0010,350
2021-11-30$48.00$48.007,239
2021-11-29$48.00$48.0012,010
2021-11-26$49.00$49.0013,925
2021-11-24$49.00$49.0012,715
2021-11-23$47.00$47.007,974
2021-11-22$48.00$48.0016,696
2021-11-19$51.00$51.0010,507
2021-11-18$50.00$50.0019,625
2021-11-17$52.00$52.0011,564
2021-11-16$53.00$53.0016,191
2021-11-15$55.00$55.0010,690
2021-11-12$56.00$56.0011,442
2021-11-11$56.00$56.009,848
2021-11-10$55.00$55.0028,309
2021-11-09$59.00$59.0012,502
2021-11-08$61.00$61.0023,517
2021-11-05$61.00$61.0025,267
2021-11-04$68.00$68.0029,530
2021-11-03$62.00$62.009,751
2021-11-02$61.00$61.0012,598
2021-11-01$61.00$61.0012,766
2021-10-29$59.00$59.009,316
2021-10-28$60.00$60.0010,650
2021-10-27$59.00$59.0013,265
2021-10-26$61.00$61.0023,952
2021-10-25$59.00$59.0016,741
2021-10-22$59.00$59.0021,046
2021-10-21$61.00$61.0010,408
2021-10-20$62.00$62.006,251
2021-10-19$62.00$62.0010,596
2021-10-18$61.00$61.0011,886
2021-10-15$60.00$60.0012,475
2021-10-14$62.00$62.006,967
2021-10-13$62.00$62.0011,032
2021-10-12$61.00$61.009,525
2021-10-11$61.00$61.0010,805
2021-10-08$61.00$61.0018,315
2021-10-07$61.00$61.0022,451
2021-10-06$61.00$61.0049,413
2021-10-05$67.00$67.0057,633
2021-10-04$76.00$76.0050,148
2021-10-01$77.00$77.00324,832
2021-09-30$75.00$75.00155,250
2021-09-29$60.00$60.0012,750
2021-09-28$64.00$64.009,386
2021-09-27$63.00$63.006,436
2021-09-24$60.00$60.005,030
2021-09-23$63.00$63.005,241
2021-09-22$61.00$61.005,743
2021-09-21$61.00$61.007,217
2021-09-20$59.00$59.008,928
2021-09-17$62.00$62.007,791
2021-09-16$61.00$61.0028,914
2021-09-15$62.00$62.0012,438
2021-09-14$64.00$64.0012,829
2021-09-13$68.00$68.0018,912
2021-09-10$71.00$71.0014,487
2021-09-09$72.00$72.007,518
2021-09-08$69.00$69.004,931
2021-09-07$71.00$71.006,038
2021-09-03$73.00$73.003,894
2021-09-02$74.00$74.006,058
2021-09-01$73.00$73.004,910
2021-08-31$72.00$72.009,771
2021-08-30$70.00$70.0010,595
2021-08-27$72.00$72.008,795
2021-08-26$73.00$73.0014,566
2021-08-25$75.00$75.0030,966
2021-08-24$69.00$69.0011,210
2021-08-23$64.00$64.007,613
2021-08-20$62.00$62.008,460
2021-08-19$61.00$61.0015,457
2021-08-18$66.00$66.0010,876
2021-08-17$64.00$64.009,822
2021-08-16$64.00$64.0012,730
2021-08-13$69.00$69.004,846
2021-08-12$70.00$70.008,171
2021-08-11$72.00$72.007,364
2021-08-10$71.00$71.007,308
2021-08-09$73.00$73.008,373
2021-08-06$72.00$72.005,092
2021-08-05$74.00$74.0012,686
2021-08-04$70.00$70.0011,479
2021-08-03$71.00$71.008,251
2021-08-02$72.00$72.007,903
2021-07-30$73.00$73.007,100
2021-07-29$73.00$73.0018,365
2021-07-28$77.00$77.0012,982
2021-07-27$76.00$76.0034,667
2021-07-26$71.00$71.006,520
2021-07-23$71.00$71.009,218
2021-07-22$73.00$73.005,150
2021-07-21$76.00$76.008,530
2021-07-20$72.00$72.008,974
2021-07-19$71.00$71.0014,514
2021-07-16$72.00$72.0010,763
2021-07-15$74.00$74.0014,908
2021-07-14$76.00$76.0023,162
2021-07-13$82.00$82.0012,024
2021-07-12$84.00$84.009,278
2021-07-09$85.00$85.007,895
2021-07-08$83.00$83.0015,200
2021-07-07$85.00$85.0013,504
2021-07-06$88.00$88.0015,286
2021-07-02$86.00$86.0011,873
2021-07-01$88.00$88.0011,020
2021-06-30$88.00$88.0013,172
2021-06-29$87.00$87.0015,399
2021-06-28$89.00$89.0011,367
2021-06-25$90.00$90.008,480
2021-06-24$90.00$90.0012,824
2021-06-23$91.00$91.0019,602
2021-06-22$88.00$88.0011,402
2021-06-21$89.00$89.0017,594
2021-06-18$89.00$89.0017,071
2021-06-17$90.00$90.0040,442
2021-06-16$94.00$94.0014,225
2021-06-15$96.00$96.0025,859
2021-06-14$102.00$102.0018,530
2021-06-11$105.00$105.0036,197
2021-06-10$102.00$102.0047,564
2021-06-09$112.00$112.00157,139
2021-06-08$91.00$91.0023,505
2021-06-07$91.00$91.0018,102
2021-06-04$87.00$87.0012,798
2021-06-03$88.00$88.0020,849
2021-06-02$92.00$92.0016,320
2021-06-01$94.00$94.0021,019
2021-05-28$88.00$88.0018,936
2021-05-27$86.00$86.0010,087
2021-05-26$85.00$85.0011,378
2021-05-25$84.00$84.0017,326
2021-05-24$87.00$87.0017,627
2021-05-21$90.00$90.0010,614
2021-05-20$88.00$88.0012,660
2021-05-19$87.00$87.0012,818
2021-05-18$89.00$89.0022,682
2021-05-17$85.00$85.0015,299
2021-05-14$87.00$87.0019,077
2021-05-13$83.00$83.0026,245
2021-05-12$88.00$88.0014,871
2021-05-11$90.00$90.0016,579
2021-05-10$92.00$92.0013,397
2021-05-07$96.00$96.0013,401
2021-05-06$95.00$95.0022,387
2021-05-05$96.00$96.0038,623
2021-05-04$104.00$104.0037,768
2021-05-03$110.00$110.0034,367
2021-04-30$106.00$106.0026,370
2021-04-29$110.00$110.0040,570
2021-04-28$113.00$113.0035,267
2021-04-27$104.00$104.0044,045
2021-04-26$114.00$114.00126,340
2021-04-23$94.00$94.0017,206
2021-04-22$93.00$93.0015,677
2021-04-21$95.00$95.0026,744
2021-04-20$85.00$85.0022,268
2021-04-19$91.00$91.0019,849
2021-04-16$88.00$88.0032,582
2021-04-15$91.00$91.0030,039
2021-04-14$98.00$98.0028,078
2021-04-13$96.00$96.0029,524
2021-04-12$94.00$94.0072,640
2021-04-09$110.00$110.0018,186
2021-04-08$109.00$109.0026,050
2021-04-07$112.00$112.0033,944
2021-04-06$111.00$111.0030,712
2021-04-05$111.00$111.0036,326
2021-04-01$112.00$112.0031,258
2021-03-31$114.00$114.0027,306
2021-03-30$113.00$113.0043,513
2021-03-29$111.00$111.0068,659
2021-03-26$123.00$123.00334,985
2021-03-25$117.00$117.0051,385
2021-03-24$110.00$110.0061,792
2021-03-23$118.00$118.0056,124
2021-03-22$128.00$128.0050,692
2021-03-19$133.00$133.0065,176
2021-03-18$125.00$125.0071,814
2021-03-17$135.00$135.0081,899
2021-03-16$138.00$138.00236,060
2021-03-15$151.00$151.001,089,468
2021-03-12$118.00$118.0077,843
2021-03-11$124.00$124.00238,823
2021-03-10$101.00$101.0070,214
2021-03-09$105.00$105.0088,857
2021-03-08$106.00$106.00123,503
2021-03-05$92.00$92.0092,493
2021-03-04$94.00$94.0088,089
2021-03-03$104.00$104.0065,511
2021-03-02$111.00$111.0048,096
2021-03-01$115.00$115.0085,434
2021-02-26$117.00$117.0090,824
2021-02-25$112.00$112.0097,973
2021-02-24$120.00$120.0084,315
2021-02-23$117.00$117.00153,899
2021-02-22$135.00$135.00102,897
2021-02-19$148.00$148.00137,106
2021-02-18$140.00$140.00162,789
2021-02-17$155.00$155.00377,837
2021-02-16$181.00$181.00115,495
2021-02-12$190.00$190.0099,592
2021-02-11$191.00$191.00176,330
2021-02-10$191.00$191.00407,088
2021-02-09$220.00$220.00785,018
2021-02-08$334.00$334.002,186,522
2021-02-05$111.00$111.00171,668
2021-02-04$108.00$108.00210,376
2021-02-03$95.00$95.00197,126
2021-02-02$100.00$100.001,502,175
2021-02-01$70.00$70.0075,971
2021-01-29$69.00$69.0094,725
2021-01-28$73.00$73.00230,426
2021-01-27$75.00$75.00370,011
2021-01-26$68.00$68.00144,026
2021-01-25$66.00$66.00105,568
2021-01-22$71.00$71.00115,390
2021-01-21$77.00$77.00114,479
2021-01-20$72.00$72.00151,437
2021-01-19$69.00$69.00140,422
2021-01-15$64.00$64.0059,055
2021-01-14$68.00$68.0083,986
2021-01-13$69.00$69.00124,721
2021-01-12$67.00$67.0097,474
2021-01-11$65.00$65.00225,506
2021-01-08$54.00$54.0042,972
2021-01-07$55.00$55.0052,679
2021-01-06$56.00$56.00185,019
2021-01-05$52.00$52.0073,069
2021-01-04$51.00$51.00123,612