Gerald R. Cysewski

CIK: 0001369133

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)3 (50.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)3 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CYAN

CYANOTECH CORP

Discretionary Trading P&L

Holdings

Transaction History (6 total)

CYAN
CYANOTECH CORP
Jul 29, 2025
Exercise(M)
Direct
1.6K shares-
CYAN
CYANOTECH CORP
Jul 29, 2025
Tax Payment(F)
Direct
592 shares at avg. $0.41$239.76
CYAN
CYANOTECH CORP
Apr 7, 2025
Exercise(M)
Direct
33 shares-
CYAN
CYANOTECH CORP
Apr 7, 2025
Tax Payment(F)
Direct
13 shares at avg. $0.31$4.03
CYAN
CYANOTECH CORP
Feb 18, 2025
Exercise(M)
Direct
3.9K shares-
CYAN
CYANOTECH CORP
Feb 18, 2025
Tax Payment(F)
Direct
1.5K shares at avg. $0.40$585.6

		Type	Shares	Price		Ownership
Jul 29, 2025	CYAN CYANOTECH CORP	Exercise(M)	1,577	-	-	Direct
Jul 29, 2025	CYAN CYANOTECH CORP	Tax Payment(F)	592	$0.41	$240	Direct
Apr 7, 2025	CYAN CYANOTECH CORP	Exercise(M)	33	-	-	Direct
Apr 7, 2025	CYAN CYANOTECH CORP	Tax Payment(F)	13	$0.31	$4	Direct
Feb 18, 2025	CYAN CYANOTECH CORP	Exercise(M)	3,900	-	-	Direct
Feb 18, 2025	CYAN CYANOTECH CORP	Tax Payment(F)	1,464	$0.40	$586	Direct

1-6 of 6 transactions

About Cysewski Gerald R

Cysewski Gerald R (SEC CIK 0001369133) files insider reports with the SEC as CYANOTECH CORP (CYAN).

Signal8 holds 3 ownership filings by Cysewski Gerald R, all Form 4s, filed between Feb 20, 2025 and Jul 31, 2025. Those filings report 6 transactions, from Feb 18, 2025 to Jul 29, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on Cysewski Gerald R's filings is in KAILUA-KONA, HI.

Recent filings by Cysewski Gerald R

Jul 29, 2025: Option exercise of CYAN shares (Form 4, code M).
Jul 29, 2025: Tax withholding of CYAN shares (Form 4, code F).
Apr 7, 2025: Option exercise of CYAN shares (Form 4, code M).
Apr 7, 2025: Tax withholding of CYAN shares (Form 4, code F).
Feb 18, 2025: Option exercise of CYAN shares (Form 4, code M).

Other insiders filing for CYANOTECH CORP (CYAN)

Miyashiro Jennifer A.S., CFO, VP Fin & Admin, Treasurer
MULDER DAVID M, Director
Vied David L, Director
DAVIS MICHAEL A /, Director
Custer Matthew Keith, President and CEO
Nordin Amy Beth, VP, HR, Secretary

How to read Form 4 transaction codes