0001437749-23-026160.txt : 20230918 0001437749-23-026160.hdr.sgml : 20230918 20230918114802 ACCESSION NUMBER: 0001437749-23-026160 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230915 FILED AS OF DATE: 20230918 DATE AS OF CHANGE: 20230918 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DAVIS MICHAEL A / CENTRAL INDEX KEY: 0001201156 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-14602 FILM NUMBER: 231260509 MAIL ADDRESS: STREET 1: 1621 JUANITA LANE CITY: TIBURON STATE: CA ZIP: 94920 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CYANOTECH CORP CENTRAL INDEX KEY: 0000768408 STANDARD INDUSTRIAL CLASSIFICATION: MEDICINAL CHEMICALS & BOTANICAL PRODUCTS [2833] IRS NUMBER: 911206026 STATE OF INCORPORATION: NV FISCAL YEAR END: 0331 BUSINESS ADDRESS: STREET 1: 73-4460 QUEEN KAAHUMANU HWY STREET 2: SUITE 102 CITY: KAILUA KONA STATE: HI ZIP: 96740 BUSINESS PHONE: 8083261353 MAIL ADDRESS: STREET 1: 73-4460 QUEEN KAAHUMANU HWY STREET 2: SUITE 102 CITY: KAILUA-KONA STATE: HI ZIP: 96740 4 1 rdgdoc.xml FORM 4 MD X0508 4 2023-09-15 0000768408 CYANOTECH CORP CYAN 0001201156 DAVIS MICHAEL A / CYANOTECH CORPORATION 73-4460 QUEEN KAAHUMANU HWY #102 KAILUA-KONA HI 96740 1 1 0 Cyanotech Corporation Common Stock 2023-09-15 4 P 0 3245 0.845 A 594460 I By self as trustee of the Michael Arlen Davis Revocable Trust Cyanotech Corporation Common Stock 12119 D Cyanotech Corporation Common Stock 31250 I By Spouse Cyanotech Corporation Common Stock 150000 I By self as co-trustee for the Nyracai Davis Irr. Trust and the Nettizanne J. Davis Irr. Trust Cyanotech Corporation Common Stock 58000 I By self as trustee for Nettizanne Johnstone Davis GST Exempt Trust Cyanotech Corporation Common Stock 58789 I By self as trustee for Nyracai Johnstone Davis GST Exempt Trust The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $0.83 to $0.835, inclusive. The reporting person undertakes to provide to Cyanotech Corporation, any security holder of Cyanotech Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. /s/Laura L. Taylor, by Power of Attorney 2023-09-18