CYAN insider transaction filings

CYANOTECH CORP — 24 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2025-09-16. Screen CYAN transaction legs live →

FiledFormInsiderReported transactionsSource
2025-09-164Miyashiro Jennifer A.S. — CFO, VP Fin & Admin, TreasurerGrant/award (A): 50,000 (derivative) @ $0EDGAR
2025-09-024Vied David L — DirectorGrant/award (A): 50,000 @ $0EDGAR
2025-09-024MULDER DAVID M — DirectorGrant/award (A): 50,000 @ $0EDGAR
2025-09-024DAVIS MICHAEL A / — Director, 10% ownerGrant/award (A): 50,000 @ $0EDGAR
2025-07-314Custer Matthew Keith — President and CEO, DirectorOption exercise (M): 2,075 @ $0 · Option exercise (M): 2,075 (derivative) @ $0EDGAR
2025-07-314Nordin Amy Beth — VP, HR, SecretaryOption exercise (M): 1,502 @ $0 · Tax withholding (F): 525 @ $0.41 · Option exercise (M): 1,502 (derivative) @ $0EDGAR
2025-07-314Johansen Jennifer M. — VP, Quality, Regulatory & GovtOption exercise (M): 1,380 @ $0 · Tax withholding (F): 518 @ $0.41 · Option exercise (M): 1,380 (derivative) @ $0EDGAR
2025-07-314Jensen Glenn — VP, OperationsOption exercise (M): 1,642 @ $0 · Tax withholding (F): 617 @ $0.41 · Option exercise (M): 1,642 (derivative) @ $0EDGAR
2025-07-314Cysewski Gerald ROption exercise (M): 1,577 @ $0 · Tax withholding (F): 592 @ $0.41 · Option exercise (M): 1,577 (derivative) @ $0EDGAR
2025-06-184Custer Matthew Keith — President and CEO, DirectorGrant/award (A): 150,000 (derivative) @ $0 · Grant/award (A): 64,103 (derivative) @ $0EDGAR
2025-05-214Brand Jennifer Kimberly — VP of SalesGrant/award (A): 50,000 (derivative) @ $0EDGAR
2025-05-214Nordin Amy Beth — VP, HR, SecretaryGrant/award (A): 75,000 (derivative) @ $0EDGAR
2025-05-214Jensen Glenn — VP, OperationsGrant/award (A): 25,000 (derivative) @ $0EDGAR
2025-04-094Kakuk Collette Nicole — Chief Strategic Comml OfficerOption exercise (M): 33 @ $0 · Tax withholding (F): 14 @ $0.31 · Option exercise (M): 33 (derivative) @ $0EDGAR
2025-04-094Custer Matthew Keith — President and CEO, DirectorOption exercise (M): 33 @ $0 · Option exercise (M): 33 (derivative) @ $0EDGAR
2025-04-094Nordin Amy Beth — VP, HR, SecretaryOption exercise (M): 33 @ $0 · Tax withholding (F): 12 @ $0.31 · Option exercise (M): 33 (derivative) @ $0EDGAR
2025-04-094Johansen Jennifer M. — VP, Quality, Regulatory & GovtOption exercise (M): 33 @ $0 · Tax withholding (F): 13 @ $0.31 · Option exercise (M): 33 (derivative) @ $0EDGAR
2025-04-094Jensen Glenn — VP, OperationsOption exercise (M): 33 @ $0 · Tax withholding (F): 13 @ $0.31 · Option exercise (M): 33 (derivative) @ $0EDGAR
2025-04-094Cysewski Gerald ROption exercise (M): 33 @ $0 · Tax withholding (F): 13 @ $0.31 · Option exercise (M): 33 (derivative) @ $0EDGAR
2025-02-204Kakuk Collette Nicole — Chief Strategic Comml OfficerOption exercise (M): 3,900 @ $0 · Tax withholding (F): 1,556 @ $0.40 · Option exercise (M): 3,900 (derivative) @ $0EDGAR
2025-02-204Nordin Amy Beth — VP, HR, SecretaryOption exercise (M): 3,400 @ $0 · Tax withholding (F): 1,189 @ $0.40 · Option exercise (M): 3,400 (derivative) @ $0EDGAR
2025-02-204Johansen Jennifer M. — VP, Quality, Regulatory & GovtOption exercise (M): 3,200 @ $0 · Tax withholding (F): 1,201 @ $0.40 · Option exercise (M): 3,200 (derivative) @ $0EDGAR
2025-02-204Jensen Glenn — VP, OperationsOption exercise (M): 3,570 @ $0 · Tax withholding (F): 1,340 @ $0.40 · Option exercise (M): 3,570 (derivative) @ $0EDGAR
2025-02-204Cysewski Gerald ROption exercise (M): 3,900 @ $0 · Tax withholding (F): 1,464 @ $0.40 · Option exercise (M): 3,900 (derivative) @ $0EDGAR

Recent 8-K events — CYANOTECH CORP

FiledFormItems reportedSource
2025-09-028-K1.01 — Entry into a Material Definitive Agreement
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
9.01 — Financial Statements and Exhibits
EDGAR
2025-08-228-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
5.07 — Submission of Matters to a Vote of Security Holders
8.01 — Other Events
EDGAR
2025-05-088-K1.01 — Entry into a Material Definitive Agreement
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
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