OTC:BLGO | Stock Price History | BIOLARGO, 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
2007-03-22 to 2026-08-27
Data captured

Stock Price Chart

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

$0.10$0.17$0.31$0.57$1.04$1.892007-03-222026-08-27

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$0.10$0.10501,300
2026-08-26$0.11$0.11157,200
2026-08-25$0.11$0.11190,300
2026-08-24$0.11$0.11273,300
2026-08-21$0.10$0.101,124,400
2026-08-20$0.08$0.081,337,700
2026-08-19$0.10$0.10290,400
2026-08-18$0.10$0.10332,400
2026-08-17$0.10$0.10209,800
2026-08-14$0.10$0.10138,900
2026-08-13$0.10$0.10306,800
2026-08-12$0.10$0.10102,700
2026-08-11$0.11$0.11155,000
2026-08-10$0.11$0.11165,200
2026-08-07$0.11$0.11489,400
2026-08-06$0.10$0.10456,300
2026-08-05$0.11$0.11526,100
2026-08-04$0.11$0.11665,900
2026-08-03$0.11$0.11584,400
2026-07-31$0.10$0.10171,100
2026-07-30$0.11$0.11108,300
2026-07-29$0.11$0.11325,700
2026-07-28$0.10$0.10209,900
2026-07-27$0.11$0.11219,100
2026-07-24$0.11$0.11542,100
2026-07-23$0.12$0.12302,900
2026-07-22$0.12$0.1274,700
2026-07-21$0.12$0.12261,000
2026-07-20$0.11$0.11662,100
2026-07-17$0.11$0.11216,900
2026-07-16$0.11$0.11206,800
2026-07-15$0.11$0.11164,800
2026-07-14$0.12$0.1246,800
2026-07-13$0.11$0.11238,500
2026-07-10$0.11$0.1120,700
2026-07-09$0.11$0.11586,700
2026-07-08$0.12$0.12199,600
2026-07-07$0.11$0.11343,500
2026-07-06$0.11$0.11163,400
2026-07-02$0.11$0.11312,700
2026-07-01$0.11$0.11319,700
2026-06-30$0.11$0.11852,300
2026-06-29$0.12$0.12670,100
2026-06-26$0.11$0.11126,100
2026-06-25$0.11$0.11757,300
2026-06-24$0.11$0.11193,200
2026-06-23$0.11$0.11447,300
2026-06-22$0.11$0.11266,000
2026-06-18$0.11$0.11243,900
2026-06-17$0.11$0.11305,300
2026-06-16$0.12$0.12464,900
2026-06-15$0.11$0.11249,100
2026-06-12$0.12$0.12202,100
2026-06-11$0.12$0.12117,800
2026-06-10$0.13$0.13161,900
2026-06-09$0.14$0.14496,400
2026-06-08$0.15$0.152,358,600
2026-06-05$0.12$0.12208,200
2026-06-04$0.11$0.11219,000
2026-06-03$0.12$0.121,095,400
2026-06-02$0.10$0.103,910,500
2026-06-01$0.12$0.12336,800
2026-05-29$0.13$0.13517,100
2026-05-28$0.14$0.14268,100
2026-05-27$0.13$0.13200,000
2026-05-26$0.14$0.14509,500
2026-05-22$0.15$0.15345,400
2026-05-21$0.14$0.141,278,000
2026-05-20$0.11$0.11490,700
2026-05-19$0.11$0.111,324,800
2026-05-18$0.12$0.12675,100
2026-05-15$0.13$0.13147,300
2026-05-14$0.13$0.13239,400
2026-05-13$0.13$0.13680,700
2026-05-12$0.14$0.14254,400
2026-05-11$0.14$0.141,715,000
2026-05-08$0.15$0.15199,100
2026-05-07$0.16$0.16182,500
2026-05-06$0.15$0.15420,900
2026-05-05$0.16$0.16151,700
2026-05-04$0.16$0.16406,300
2026-05-01$0.15$0.1588,800
2026-04-30$0.15$0.15593,000
2026-04-29$0.15$0.15108,600
2026-04-28$0.16$0.16120,400
2026-04-27$0.15$0.15207,900
2026-04-24$0.15$0.15152,000
2026-04-23$0.15$0.15189,000
2026-04-22$0.15$0.15245,600
2026-04-21$0.15$0.15211,200
2026-04-20$0.15$0.15373,300
2026-04-17$0.15$0.1565,000
2026-04-16$0.15$0.15203,000
2026-04-15$0.15$0.15266,100
2026-04-14$0.16$0.16331,700
2026-04-13$0.14$0.14130,900
2026-04-10$0.14$0.14554,700
2026-04-09$0.15$0.15101,000
2026-04-08$0.15$0.15479,900
2026-04-07$0.16$0.1647,300