Investor Davis Michael A /
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Davis Michael A / . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2024-10-03 13D/A CYAN / Cyanotech Corporation 1,700,598 1,788,756
2024-09-12 13D/A CYAN / Cyanotech Corporation 1,613,931 1,700,598
2024-09-06 13D/A CYAN / Cyanotech Corporation 1,506,894 1,613,931
2024-08-15 13D/A CYAN / Cyanotech Corporation 1,436,894 1,506,894
2024-07-26 13D/A CYAN / Cyanotech Corporation 1,356,894 1,436,894
2023-12-20 13D/A CYAN / Cyanotech Corporation 856,503 1,356,894
2023-08-29 13D/A CYAN / Cyanotech Corporation 1,175,827 856,503
2020-12-02 13D/A CYAN / Cyanotech Corporation 1,068,215 1,175,827
2019-03-13 13D/A CYAN / Cyanotech Corporation 1,004,612 1,068,215
2019-02-27 13D/A CYAN / Cyanotech Corporation 943,594 1,004,612
2018-10-19 13D/A CYAN / Cyanotech Corporation 954,011 943,594
2017-03-17 13D/A CYAN / Cyanotech Corporation 1,104,011 954,011
2016-12-20 13D/A CYAN / Cyanotech Corporation 1,104,011 1,104,011
2016-09-21 13D CYAN / Cyanotech Corporation 1,096,658 1,104,011
2016-02-08 13G/A CYAN / Cyanotech Corporation 1,091,582 1,096,658
2015-03-25 13G/A CYAN / Cyanotech Corporation 1,091,582
2014-03-14 13G/A CYAN / Cyanotech Corporation 1,085,213
2013-02-14 13G/A CYAN / Cyanotech Corporation 1,085,932