CYSTEIN

Legal name: CYSTEIN MANAGEMENT LLC

CRD 290365File 801-112087

APPROVED

Retail clients

Filing as of Mar 30, 2026

Feed vintage Aug 17, 2026

Regulatory AUM

$4.5M

Bottom 25% of cohort (national)

Discretionary AUM

$4.5M

Clients

22 accounts

Employees

Identity & registration

ADV Item 1

Organization form: Limited Liability Company
Firm type: Registered
SEC region: HQ
Registration date: Nov 28, 2017
Principal office: Not reported
Phone: (210) 888-0986
Website: HTTP://WWW.CYSTEINFUNDS.COM/

Assets & accounts

ADV Item 5F

Total regulatory AUM: $4.5M
Discretionary AUM: $4.5M
Non-discretionary AUM: $0
Discretionary accounts: 22
Non-discretionary accounts: 0
Total accounts: 22
AUM per client: $203K

Clients by type

ADV Item 5D

Client type	Clients	AUM
High net worth individuals	7	$2.7M
Individuals (other than high net worth individuals)	15	$1.8M

Compensation & activities

ADV Items 5E, 5G

Compensation

A percentage of assets under your management

Advisory activities

Other
Portfolio management for businesses
Portfolio management for individuals and/or small businesses

Custody

ADV Item 9

Firm Custody Cash: No
Firm Custody Assets: No
Firm Custody Clients: No
Firm Custody Securities: No
Related Person Custody Cash: No
Related Person Custody Assets: No
Related Person Custody Clients: No
Related Person Custody Securities: No

Disclosure events

ADV Item 11

This firm answered no to every Item 11 disclosure question in this filing.

Filed changes

Date	Field	From	To
Aug 12, 2026	Registration	—	APPROVED

Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.