OTC:CSCIF | Stock Price History | 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.

Historical Stock Price

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volume
2026-08-27$4.98$4.98500
2026-08-26$5.30$5.30100
2026-08-25$5.16$5.160
2026-08-24$5.16$5.16200
2026-08-21$5.50$5.500
2026-08-20$5.50$5.50200
2026-08-19$5.83$5.83500
2026-08-18$5.25$5.25600
2026-08-17$5.64$5.640
2026-08-14$5.64$5.640
2026-08-13$5.64$5.640
2026-08-12$5.64$5.64100
2026-08-11$5.30$5.300
2026-08-10$5.30$5.30800
2026-08-07$4.92$4.920
2026-08-06$4.92$4.92200
2026-08-05$5.10$5.10500
2026-08-04$5.30$5.301,800
2026-08-03$5.14$5.140
2026-07-31$5.14$5.14300
2026-07-30$5.00$5.000
2026-07-29$5.00$5.00800
2026-07-28$5.41$5.410
2026-07-27$5.41$5.418,700
2026-07-24$5.50$5.50100
2026-07-23$5.50$5.501,900
2026-07-22$5.40$5.40100
2026-07-21$5.40$5.400
2026-07-20$5.40$5.40500
2026-07-17$5.75$5.750
2026-07-16$5.75$5.754,900
2026-07-15$5.75$5.751,000
2026-07-14$6.00$6.00600
2026-07-13$6.00$6.003,200
2026-07-10$5.75$5.75800
2026-07-09$5.73$5.733,000
2026-07-08$6.83$6.833,600
2026-07-07$7.00$7.001,800
2026-07-06$2.35$2.352,400
2026-07-02$2.45$2.45400
2026-07-01$2.30$2.30300
2026-06-30$2.29$2.296,900
2026-06-29$2.15$2.155,000
2026-06-26$2.13$2.134,200
2026-06-25$2.05$2.05700
2026-06-24$1.99$1.99900
2026-06-23$2.10$2.10400
2026-06-22$2.13$2.134,300
2026-06-18$2.26$2.267,300
2026-06-17$2.30$2.302,500
2026-06-16$2.15$2.152,500
2026-06-15$2.16$2.1613,200
2026-06-12$2.05$2.052,700
2026-06-11$2.03$2.030
2026-06-10$2.03$2.03800
2026-06-09$1.97$1.971,600
2026-06-08$2.04$2.0411,500
2026-06-05$1.82$1.82300
2026-06-04$2.00$2.004,200
2026-06-03$2.00$2.0015,300
2026-06-02$1.85$1.857,600
2026-06-01$2.10$2.10500
2026-05-29$2.00$2.004,400
2026-05-28$2.10$2.103,500
2026-05-27$1.96$1.965,700
2026-05-26$1.85$1.852,700
2026-05-22$1.87$1.871,100
2026-05-21$1.76$1.761,400
2026-05-20$1.84$1.841,900
2026-05-19$1.87$1.870
2026-05-18$1.87$1.870
2026-05-15$1.87$1.870
2026-05-14$1.87$1.87300
2026-05-13$1.93$1.93900
2026-05-12$1.91$1.910
2026-05-11$1.91$1.910
2026-05-08$1.91$1.91700
2026-05-07$1.94$1.94400
2026-05-06$1.94$1.94800
2026-05-05$1.92$1.922,100
2026-05-04$1.96$1.96600
2026-05-01$1.94$1.941,200
2026-04-30$1.88$1.88300
2026-04-29$1.95$1.950
2026-04-28$1.95$1.950
2026-04-27$1.95$1.950
2026-04-24$1.95$1.950
2026-04-23$1.95$1.951,300
2026-04-22$1.96$1.961,800
2026-04-21$2.03$2.030
2026-04-20$2.03$2.031,400
2026-04-17$2.03$2.034,800
2026-04-16$2.00$2.00800
2026-04-15$1.84$1.842,200
2026-04-14$1.89$1.89400
2026-04-13$2.09$2.09400
2026-04-10$2.09$2.090
2026-04-09$2.09$2.094,600
2026-04-08$2.25$2.255,700
2026-04-07$2.87$2.8715,700