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.

View year

Historical Stock Price — 2019

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volume
2019-12-31$91.00$91.003,140
2019-12-30$95.00$95.002,761
2019-12-27$82.00$82.001,004
2019-12-26$82.00$82.00763
2019-12-24$82.00$82.00841
2019-12-23$82.00$82.001,434
2019-12-20$80.00$80.001,707
2019-12-19$81.00$81.00949
2019-12-18$80.00$80.001,153
2019-12-17$77.00$77.001,350
2019-12-16$78.00$78.001,532
2019-12-13$80.00$80.00955
2019-12-12$81.00$81.001,443
2019-12-11$80.00$80.001,691
2019-12-10$83.00$83.001,011
2019-12-09$85.00$85.001,447
2019-12-06$86.00$86.001,309
2019-12-05$87.00$87.001,099
2019-12-04$87.00$87.002,570
2019-12-03$87.00$87.001,141
2019-12-02$90.00$90.00334
2019-11-29$90.00$90.00608
2019-11-27$90.00$90.00559
2019-11-26$89.00$89.001,233
2019-11-25$90.00$90.001,077
2019-11-22$90.00$90.00531
2019-11-21$89.00$89.001,221
2019-11-20$94.00$94.00364
2019-11-19$94.00$94.00454
2019-11-18$94.00$94.001,743
2019-11-15$99.00$99.00435
2019-11-14$101.00$101.001,048
2019-11-13$101.00$101.00806
2019-11-12$102.00$102.001,639
2019-11-11$103.00$103.001,082
2019-11-08$105.00$105.001,976
2019-11-07$102.00$102.001,005
2019-11-06$103.00$103.00601
2019-11-05$104.00$104.004,376
2019-11-04$97.00$97.00708
2019-11-01$96.00$96.002,934
2019-10-31$101.00$101.00712
2019-10-30$102.00$102.00780
2019-10-29$105.00$105.00595
2019-10-28$101.00$101.001,240
2019-10-25$105.00$105.001,303
2019-10-24$108.00$108.00828
2019-10-23$108.00$108.001,103
2019-10-22$102.00$102.00750
2019-10-21$105.00$105.001,669
2019-10-18$107.00$107.005,277
2019-10-17$100.00$100.001,871
2019-10-16$88.00$88.001,747
2019-10-15$88.00$88.001,132
2019-10-14$89.00$89.00487
2019-10-11$90.00$90.001,310
2019-10-10$92.00$92.001,011
2019-10-09$90.00$90.002,404
2019-10-08$97.00$97.001,549
2019-10-07$98.00$98.001,229
2019-10-04$100.00$100.00972
2019-10-03$100.00$100.001,500
2019-10-02$100.00$100.001,749
2019-10-01$102.00$102.002,258
2019-09-30$103.00$103.002,366
2019-09-27$100.00$100.004,814
2019-09-26$111.00$111.003,380
2019-09-25$117.00$117.002,631
2019-09-24$128.00$128.002,079
2019-09-23$126.00$126.003,547
2019-09-20$128.00$128.0011,599
2019-09-19$165.00$165.00656
2019-09-18$163.00$163.001,975
2019-09-17$172.00$172.00752
2019-09-16$179.00$179.001,122
2019-09-13$179.00$179.001,113
2019-09-12$187.00$187.00304
2019-09-11$186.00$186.00796
2019-09-10$186.00$186.00593
2019-09-09$177.00$177.001,495
2019-09-06$186.00$186.001,144
2019-09-05$179.00$179.002,333
2019-09-04$196.00$196.002,409
2019-09-03$209.00$209.00803
2019-08-30$224.00$224.00479
2019-08-29$240.00$240.002,515
2019-08-28$208.00$208.001,691
2019-08-27$197.00$197.001,275
2019-08-26$203.00$203.00659
2019-08-23$208.00$208.00369
2019-08-22$208.00$208.00185
2019-08-21$207.00$207.00226
2019-08-20$212.00$212.00468
2019-08-19$210.00$210.00713
2019-08-16$210.00$210.00660
2019-08-15$215.00$215.00366
2019-08-14$215.00$215.001,864
2019-08-13$249.00$249.00464
2019-08-12$224.00$224.00465
2019-08-09$239.00$239.00234
2019-08-08$251.00$251.00330
2019-08-07$244.00$244.00341
2019-08-06$247.00$247.001,514
2019-08-05$210.00$210.001,574
2019-08-02$235.00$235.001,110
2019-08-01$237.00$237.001,458
2019-07-31$250.00$250.00389
2019-07-30$251.00$251.00475
2019-07-29$252.00$252.00399
2019-07-26$247.00$247.00768
2019-07-25$239.00$239.00363
2019-07-24$242.00$242.00658
2019-07-23$243.00$243.00541
2019-07-22$253.00$253.00588
2019-07-19$250.00$250.001,022
2019-07-18$254.00$254.001,309
2019-07-17$253.00$253.001,273
2019-07-16$260.00$260.00536
2019-07-15$268.00$268.00577
2019-07-12$281.00$281.00793
2019-07-11$262.00$262.00488
2019-07-10$274.00$274.00477
2019-07-09$273.00$273.00653
2019-07-08$270.00$270.00754
2019-07-05$290.00$290.00758
2019-07-03$285.00$285.00460
2019-07-02$296.00$296.00723
2019-07-01$297.00$297.001,153
2019-06-28$295.00$295.001,177
2019-06-27$283.00$283.001,012
2019-06-26$267.00$267.00355
2019-06-25$268.00$268.00710
2019-06-24$269.00$269.00738
2019-06-21$270.00$270.00651
2019-06-20$270.00$270.001,193
2019-06-19$291.00$291.001,279
2019-06-18$302.00$302.001,147
2019-06-17$295.00$295.001,882
2019-06-14$302.00$302.003,571
2019-06-13$275.00$275.004,028
2019-06-12$230.00$230.001,263
2019-06-11$211.00$211.001,223
2019-06-10$204.00$204.001,414
2019-06-07$207.00$207.006,509
2019-06-06$246.00$246.002,956
2019-06-05$284.00$284.00781
2019-06-04$281.00$281.001,116
2019-06-03$285.00$285.00586
2019-05-31$300.00$300.001,002
2019-05-30$296.00$296.001,218
2019-05-29$307.00$307.00681
2019-05-28$315.00$315.00638
2019-05-24$314.00$314.00595
2019-05-23$319.00$319.00667
2019-05-22$315.00$315.00468
2019-05-21$322.00$322.001,059
2019-05-20$318.00$318.00667
2019-05-17$317.00$317.001,797
2019-05-16$330.00$330.00813
2019-05-15$332.00$332.001,556
2019-05-14$315.00$315.001,511
2019-05-13$303.00$303.001,881
2019-05-10$319.00$319.001,146
2019-05-09$317.00$317.001,917
2019-05-08$337.00$337.004,119
2019-05-07$380.00$380.00896
2019-05-06$378.00$378.001,298
2019-05-03$370.00$370.001,250
2019-05-02$349.00$349.002,440
2019-05-01$362.00$362.003,295
2019-04-30$398.00$398.00944
2019-04-29$413.00$413.001,101
2019-04-26$402.00$402.00933
2019-04-25$390.00$390.002,172
2019-04-24$385.00$385.001,799
2019-04-23$402.00$402.002,977
2019-04-22$397.00$397.004,573
2019-04-18$425.00$425.001,392
2019-04-17$431.00$431.002,936
2019-04-16$435.00$435.001,974
2019-04-15$448.00$448.004,360
2019-04-12$463.00$463.001,719
2019-04-11$460.00$460.006,215
2019-04-10$518.00$518.001,649
2019-04-09$521.00$521.002,267
2019-04-08$540.00$540.002,246
2019-04-05$543.00$543.003,186
2019-04-04$543.00$543.004,122
2019-04-03$515.00$515.003,597
2019-04-02$519.00$519.006,486
2019-04-01$510.00$510.008,717
2019-03-29$465.00$465.007,863
2019-03-28$413.00$413.00429
2019-03-27$406.00$406.002,130
2019-03-26$415.00$415.002,328
2019-03-25$419.00$419.002,177
2019-03-22$414.00$414.002,045
2019-03-21$427.00$427.002,784
2019-03-20$421.00$421.002,062
2019-03-19$422.00$422.003,724
2019-03-18$400.00$400.002,875
2019-03-15$396.00$396.002,091
2019-03-14$398.00$398.001,472
2019-03-13$400.00$400.004,524
2019-03-12$369.00$369.002,442
2019-03-11$367.00$367.001,072
2019-03-08$365.00$365.001,480
2019-03-07$361.00$361.001,543
2019-03-06$360.00$360.002,657
2019-03-05$386.00$386.002,581
2019-03-04$378.00$378.004,235
2019-03-01$400.00$400.002,460
2019-02-28$397.00$397.001,644
2019-02-27$397.00$397.001,415
2019-02-26$400.00$400.003,852
2019-02-25$418.00$418.002,672
2019-02-22$413.00$413.001,892
2019-02-21$403.00$403.001,130
2019-02-20$405.00$405.001,815
2019-02-19$408.00$408.002,817
2019-02-15$393.00$393.001,604
2019-02-14$404.00$404.001,010
2019-02-13$407.00$407.003,537
2019-02-12$415.00$415.002,412
2019-02-11$420.00$420.001,583
2019-02-08$415.00$415.001,316
2019-02-07$418.00$418.002,640
2019-02-06$410.00$410.001,956
2019-02-05$412.00$412.004,732
2019-02-04$422.00$422.006,529
2019-02-01$396.00$396.003,461
2019-01-31$383.00$383.002,270
2019-01-30$394.00$394.002,232
2019-01-29$395.00$395.002,622
2019-01-28$385.00$385.003,168
2019-01-25$363.00$363.001,047
2019-01-24$354.00$354.001,448
2019-01-23$347.00$347.001,265
2019-01-22$359.00$359.002,585
2019-01-18$354.00$354.003,944
2019-01-17$380.00$380.0010,229
2019-01-16$360.00$360.0018,226
2019-01-15$400.00$400.009,650
2019-01-14$390.00$390.0014,764
2019-01-11$369.00$369.006,502
2019-01-10$347.00$347.001,121
2019-01-09$339.00$339.001,625
2019-01-08$335.00$335.002,442
2019-01-07$349.00$349.006,110
2019-01-04$341.00$341.003,986
2019-01-03$308.00$308.001,198
2019-01-02$303.00$303.00836