CYSEWSKI GERALD R

PrivateCIK: 1369133
Location

KAILUA-KONA, HI

CYSEWSKI GERALD R (CSO) exercised options at CYANOTECH CORP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderCYSEWSKI GERALD RCIK 1369133
IssuerCYANOTECH CORPCIK 768408
DirectorOfficer· CSO
Since Jul 2018
-592.00
Net shares
Net seller
$239.76
Total sold
0
Open market trades
0B · 0S
3
Total transactions
1.58K acquired · 2.17K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+1.58K

Price / share

Trade value

% of position

1.1%
7/29/2025
145.71K147.29K

Common Stock

Direct
F · Tax Withholding

Shares

592.00

Price / share

$0.41

Trade value

$239.76

% of position

0.4%
7/29/2025
147.29K146.70K
Total

Net shares

+985.00

Net value

-$239.76

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

1.58K shares

Shares

1.58K

Strike price

Held after

34.00

Exercisable

7/29/2025
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned250.00
Total
250.00 indirect250.00
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
CYSEWSKI GERALD R — Insider Transaction (Form 4) Filed Jul 31, 2025 | Finecho